{"id":3855,"date":"2026-10-22T00:39:42","date_gmt":"2026-10-21T16:39:42","guid":{"rendered":"https:\/\/www.taichungbro.com\/2026\/10\/22\/ptfe-vs-lcp-fpc-substrate\/"},"modified":"2026-10-22T01:10:03","modified_gmt":"2026-10-21T17:10:03","slug":"ptfe-vs-lcp-fpc-substrate","status":"publish","type":"post","link":"https:\/\/www.taichungbro.com\/en\/2026\/10\/22\/ptfe-vs-lcp-fpc-substrate\/","title":{"rendered":"What are the differences between PTFE and LCP flexible circuit board substrates? A comparison table of Dk\/Df dielectric loss, processing difficulty, and high-frequency transmission selection."},"content":{"rendered":"<p>\u5728 AI \u4f3a\u670d\u5668\u53e2\u96c6\u52d5\u8f12\u8de8\u5165 PCIe 6.0\/7.0 \u8207 112G\/224G SerDes\u3001\u7db2\u901a\u8a2d\u5099\u5347\u7d1a\u81f3 800G\/1.6T \u4ea4\u63db\u5668\uff0c\u4ee5\u53ca 5G \u6beb\u7c73\u6ce2\uff08mmWave\uff09\u5929\u7dda\u6a21\u7d44\uff08AiP\uff09\u666e\u53ca\u7684\u63a8\u52d5\u4e0b\uff0c\u9ad8\u901f\u96fb\u5b50\u8a0a\u865f\u6b63\u7d93\u6b77\u56b4\u82db\u7684\u7269\u7406\u6975\u9650\u8003\u9a57\u3002\u7576\u8a0a\u865f\u983b\u7387\u5f9e 2.4GHz \u8de8\u8d8a\u81f3 10GHz\u300128GHz \u751a\u81f3 40GHz \u4ee5\u4e0a\u6642\uff0c\u50b3\u7d71\u8edf\u6027\u5370\u5237\u96fb\u8def\u677f\uff08FPC\uff09\u5e38\u7528\u7684\u805a\u91af\u4e9e\u80fa\uff08Polyimide, \u7c21\u7a31 PI\uff09\u57fa\u677f\uff0c\u56e0\u4ecb\u96fb\u640d\u8017\u904e\u5927\u8207\u5438\u6c34\u7387\u504f\u9ad8\uff0c\u5c0e\u81f4\u8a0a\u865f\u56b4\u91cd\u8870\u6e1b\u3001\u6ce2\u5f62\u5931\u771f\u8207\u773c\u5716\u9589\u5408\uff0c\u5df2\u7121\u6cd5\u6eff\u8db3\u7cfb\u7d71\u898f\u7bc4\u3002<\/p>\n<p>\u9019\u5834\u9ad8\u983b\u57fa\u677f\u6750\u6599\u9769\u547d\u7684\u7126\u9ede\uff0c\u6b63\u662f\u805a\u56db\u6c1f\u4e59\u70ef\uff08PTFE\uff0c\u4fd7\u7a31\u9435\u6c1f\u9f8d\uff09\u8207\u6db2\u6676\u9ad8\u5206\u5b50\uff08Liquid Crystal Polymer, \u7c21\u7a31 LCP\uff09\u5169\u5927\u65d7\u8266\u6750\u6599\u7684\u6b63\u9762\u5c0d\u6c7a\uff0c\u4ee5\u53ca\u4f5c\u70ba\u6298\u8877\u65b9\u6848\u7684\u6539\u6027\u805a\u91af\u4e9e\u80fa\uff08Modified PI, \u7c21\u7a31 MPI\uff09\u3002\u5de5\u7a0b\u7aef\u7684\u6838\u5fc3\u7d50\u8ad6\u975e\u5e38\u660e\u78ba\uff1a<\/p>\n<ul>\n<li><strong>PTFE \u662f\u96fb\u6c23\u640d\u8017\u7684\u7d55\u5c0d\u738b\u8005<\/strong>\uff1a\u5728 10GHz\uff5e40GHz \u4e0b\u64c1\u6709\u6975\u81f4\u4f4e\u640d\u8017\uff08\u4ecb\u96fb\u640d\u8017\u56e0\u5b50 $D_f \\approx 0.0010$\uff09\uff0c\u4f46\u5176\u6975\u4f4e\u7684\u8868\u9762\u81ea\u7531\u80fd\u4f7f\u5176\u8207\u9285\u7b94\u6975\u96e3\u8cbc\u5408\uff0c\u52a0\u4e0a\u53d7\u58d3\u5bb9\u6613\u7522\u751f\u300c\u51b7\u6d41\u300d\uff08Cold Flow\uff09\u6f5b\u8b8a\u8b8a\u5f62\uff0c\u71b1\u58d3\u52a0\u5de5\u6eab\u5ea6\u66f4\u9ad8\u9054 350\u00b0C \u4ee5\u4e0a\uff0c\u91cf\u7522\u826f\u7387\u63a7\u5236\u6975\u70ba\u6602\u8cb4\u3002<\/li>\n<li><strong>LCP \u662f\u7d9c\u5408\u591a\u5c64\u5316\u8207\u5438\u6fd5\u9632\u8b77\u7684\u5e73\u8861\u4e3b\u529b<\/strong>\uff1a\u5438\u6c34\u7387\u4f4e\u65bc 0.04%\uff08\u50c5\u70ba\u50b3\u7d71 PI \u7684\u5e7e\u5341\u5206\u4e4b\u4e00\uff09\uff0c$D_f$ \u7dad\u6301\u5728 0.0020\uff5e0.0025 \u7684\u512a\u79c0\u6c34\u6e96\uff0c\u71b1\u58d3\u6210\u5f62\u6eab\u5ea6\uff08\u7d04 280\u00b0C\uff5e310\u00b0C\uff09\u66f4\u5177\u591a\u5c64\u677f\u5806\u758a\u53ef\u884c\u6027\uff1b\u7136\u800c\uff0c\u5176\u525b\u6027\u68d2\u72c0\u5206\u5b50\u5728\u8584\u819c\u5439\u5851\u8207\u64e0\u51fa\u6642\u6975\u6613\u5b9a\u5411\u6392\u5217\uff0c\u5f15\u767c\u56b4\u91cd\u7684\u300c\u5404\u5411\u7570\u6027\u300d\uff08Anisotropy\uff09\uff0c\u9020\u6210\u71b1\u81a8\u8139\u4fc2\u6578\uff08CTE\uff09\u7e31\u6a6b\u5411\u5931\u914d\u8207\u52a0\u5de5\u7ff9\u66f2\u3002<\/li>\n<\/ul>\n<p>\u5982\u4f55\u5728\u9ad8\u983b\u96fb\u6c23\u8868\u73fe\u3001\u52a0\u5de5\u88fd\u9020\u826f\u7387\u8207 BOM \u6210\u672c\u4e4b\u9593\u53d6\u5f97\u6700\u4f73\u5e73\u8861\uff1f\u672c\u6587\u5c07\u5f9e\u8a0a\u865f\u8870\u6e1b\u7684\u7269\u7406\u6a5f\u5236\u51fa\u767c\uff0c\u63d0\u4f9b\u6a6b\u8de8 10GHz\uff5e40GHz \u7684\u5b8c\u6574\u898f\u683c\u53c3\u6578\u5c0d\u7167\u8868\uff0c\u6df1\u5ea6\u62c6\u89e3 PTFE \u7684\u8868\u9762\u6539\u8cea\u74f6\u9838\u8207 LCP \u7684\u5206\u5b50\u5b9a\u5411\u5404\u5411\u7570\u6027\uff0c\u4e26\u68b3\u7406 AI \u4f3a\u670d\u5668\u50b3\u8f38\u7dda\u8207\u5929\u7dda\u6a21\u7d44\u7684\u9078\u578b\u5224\u65b7\u908f\u8f2f\u3002<\/p>\n<nav class=\"article-toc\" aria-labelledby=\"article-toc-heading\" style=\"margin-block: 1.5em;\">\n<h2 id=\"article-toc-heading\">Table of Contents<\/h2>\n<ol>\n<li><a href=\"#high-frequency-attenuation-physics\" style=\"color: #00c8d7; text-decoration: underline;\">\u9ad8\u983b\u8a0a\u865f\u8870\u6e1b\u7684\u7269\u7406\u6a5f\u5236\uff1a\u70ba\u4ec0\u9ebc\u50b3\u7d71 PI \u5728 10GHz \u4ee5\u4e0a\u5fc5\u9808\u9000\u5834\uff1f<\/a><\/li>\n<li><a href=\"#ptfe-lcp-mpi-comparison-table\" style=\"color: #00c8d7; text-decoration: underline;\">PTFE vs LCP vs MPI \u898f\u683c\u5c0d\u7167\u8868\uff1aDk\u3001Df\u3001\u5438\u6fd5\u7387\u8207\u71b1\u58d3\u52a0\u5de5\u53c3\u6578<\/a><\/li>\n<li><a href=\"#ptfe-fluoropolymer-challenges\" style=\"color: #00c8d7; text-decoration: underline;\">PTFE \u8edf\u677f\u57fa\u677f\uff1a\u6975\u81f4\u4ecb\u96fb\u640d\u8017\u80cc\u5f8c\u7684\u300c\u9285\u7b94\u9644\u8457\u300d\u8207\u300c\u51b7\u6d41\u8b8a\u5f62\u300d\u4ee3\u50f9<\/a><\/li>\n<li><a href=\"#lcp-liquid-crystal-polymer-mechanics\" style=\"color: #00c8d7; text-decoration: underline;\">LCP \u8edf\u677f\u57fa\u677f\uff1a\u8d85\u4f4e\u5438\u6fd5\u512a\u52e2\u8207\u5206\u5b50\u5b9a\u5411\u300c\u5404\u5411\u7570\u6027\u300d\u88fd\u7a0b\u6311\u6230<\/a><\/li>\n<li><a href=\"#mpi-compromise-positioning\" style=\"color: #00c8d7; text-decoration: underline;\">MPI\uff08\u6539\u6027\u805a\u91af\u4e9e\u80fa\uff09\u7684\u904e\u6e21\u5b9a\u4f4d\uff1aSub-6GHz \u81f3 15GHz \u7684\u9ad8\u6027\u50f9\u6bd4\u6298\u8877<\/a><\/li>\n<li><a href=\"#ai-server-and-5g-selection-logic\" style=\"color: #00c8d7; text-decoration: underline;\">AI \u4f3a\u670d\u5668\u5167\u90e8\u9ad8\u901f\u8df3\u7dda\u8207 5G \u6beb\u7c73\u6ce2\u5929\u7dda\u6a21\u7d44\u7684\u9078\u578b\u5be6\u52d9<\/a><\/li>\n<li><a href=\"#engineering-decision-beyond-df\" style=\"color: #00c8d7; text-decoration: underline;\">\u9ad8\u983b\u6750\u6599\u9078\u578b\u4e0d\u662f\u53ea\u770b Df\uff1a\u4ecb\u96fb\u7a69\u5b9a\u3001\u71b1\u6a5f\u68b0\u61c9\u529b\u8207\u91cf\u7522\u826f\u7387\u7684\u5168\u9762\u5e73\u8861<\/a><\/li>\n<\/ol>\n<\/nav>\n<h2 id=\"high-frequency-attenuation-physics\">\u9ad8\u983b\u8a0a\u865f\u8870\u6e1b\u7684\u7269\u7406\u6a5f\u5236\uff1a\u70ba\u4ec0\u9ebc\u50b3\u7d71 PI \u5728 10GHz \u4ee5\u4e0a\u5fc5\u9808\u9000\u5834\uff1f<\/h2>\n<p>\u5728\u4f4e\u983b\u6578\u4f4d\u96fb\u8def\u4e2d\uff0c\u5c0e\u7dda\u7684\u50b3\u8f38\u640d\u8017\u4e3b\u8981\u7531\u5c0e\u9ad4\u672c\u8eab\u7684\u76f4\u6d41\u96fb\u963b\u6c7a\u5b9a\u3002\u7136\u800c\uff0c\u7576\u8a0a\u865f\u50b3\u8f38\u901f\u7387\u63d0\u5347\u81f3\u6578\u5341 GHz \u6642\uff0c\u9ad8\u983b\u96fb\u78c1\u6ce2\u7684\u7e3d\u50b3\u8f38\u8870\u6e1b\uff08Total Attenuation, $\\alpha_{\\text{total}}$\uff09\u4e3b\u8981\u7531\u5169\u5927\u5206\u91cf\u69cb\u6210\uff1a\u5c0e\u9ad4\u640d\u8017\uff08Conductor Loss, $\\alpha_c$\uff09\u8207\u4ecb\u8cea\u640d\u8017\uff08Dielectric Loss, $\\alpha_d$\uff09\u3002<\/p>\n<p>$$ \\alpha_{\\text{total}} = \\alpha_c + \\alpha_d $$<\/p>\n<p>\u5c0e\u9ad4\u640d\u8017\u53d7\u96c6\u819a\u6548\u61c9\uff08Skin Effect\uff09\u8207\u9285\u7b94\u8868\u9762\u7c97\u7cd9\u5ea6\u5f71\u97ff\uff0c\u96a8\u983b\u7387\u7684\u5e73\u65b9\u6839\uff08$\\sqrt{f}$\uff09\u6210\u9577\uff1b\u800c\u4ecb\u8cea\u640d\u8017\u5247\u662f\u9ad8\u983b\u4ea4\u8b8a\u96fb\u5834\u53cd\u8986\u6975\u5316\u57fa\u677f\u9ad8\u5206\u5b50\u93c8\u6bb5\u6240\u7522\u751f\u7684\u71b1\u8017\u6563\uff0c\u5176\u7406\u8ad6\u8a08\u7b97\u516c\u5f0f\u70ba\uff1a<\/p>\n<p>$$ \\alpha_d \\approx 27.3 \\cdot \\frac{f}{c} \\cdot \\sqrt{D_k} \\cdot D_f \\quad (\\text{dB\/m}) $$<\/p>\n<p>\u5176\u4e2d $f$ \u70ba\u8a0a\u865f\u983b\u7387\uff0c$c$ \u70ba\u5149\u901f\uff0c$D_k$\uff08\u4ecb\u96fb\u5e38\u6578\uff0cDielectric Constant\uff09\u4ee3\u8868\u6750\u6599\u5132\u5b58\u96fb\u80fd\u7684\u80fd\u529b\uff0c$D_f$\uff08\u4ecb\u96fb\u640d\u8017\u56e0\u5b50\u6216\u640d\u8017\u6b63\u5207\uff0cDissipation Factor \/ $\\tan\\delta$\uff09\u5247\u4ee3\u8868\u6750\u6599\u5c07\u96fb\u78c1\u80fd\u91cf\u8f49\u5316\u70ba\u71b1\u80fd\u7684\u8017\u6563\u6bd4\u4f8b\u3002<\/p>\n<p>\u5f9e\u516c\u5f0f\u53ef\u898b\uff0c\u4ecb\u8cea\u640d\u8017\u8207\u983b\u7387 $f$ \u5448\u300c\u7dda\u6027\u7b49\u6bd4\u653e\u5927\u300d\u3002\u5728 1GHz \u6642\uff0c\u4ecb\u8cea\u640d\u8017\u5728\u7e3d\u640d\u8017\u4e2d\u4f54\u6bd4\u5c1a\u4f4e\u65bc 20%\uff1b\u4f46\u4e00\u65e6\u983b\u7387\u9054\u5230 10GHz\uff5e40GHz\uff0c\u4ecb\u8cea\u640d\u8017\u5c07\u4f54\u7e3d\u8a0a\u865f\u640d\u8017\u7684 50%\uff5e70% \u4ee5\u4e0a\u3002<\/p>\n<p>\u50b3\u7d71\u8edf\u677f\u63a1\u7528\u7684\u805a\u91af\u4e9e\u80fa\uff08PI\uff09\u57fa\u677f\uff0c\u5176\u5206\u5b50\u4e3b\u93c8\u542b\u6709\u9ad8\u5ea6\u6975\u6027\u7684\u91af\u4e9e\u80fa\u74b0\u8207\u7fb0\u57fa\u57fa\u5718\uff0c\u5728 10GHz \u4e0b\u7684 $D_k$ \u9ad8\u9054 3.2\uff5e3.5\uff0c\u800c $D_f$ \u66f4\u662f\u9ad8\u9054 0.015\uff5e0.020\u3002\u5982\u6b64\u5de8\u5927\u7684\u640d\u8017\u503c\uff0c\u6703\u8b93\u9ad8\u901f\u8a0a\u865f\u5728\u8d70\u7dda\u6578\u5341\u516c\u5206\u5f8c\u5373\u56b4\u91cd\u52a3\u5316\uff0c\u7121\u6cd5\u901a\u904e\u63a5\u6536\u7aef\u7684\u773c\u5716\u6e2c\u8a66\u3002<\/p>\n<p>\u66f4\u81f4\u547d\u7684\u96b1\u5f62\u6bba\u624b\u662f\u300c\u6c34\u5206\u300d\u3002\u6c34\u5206\u5b50\u662f\u6975\u5f37\u7684\u6975\u6027\u5206\u5b50\uff0c\u5728 10GHz \u4e0b\u7684\u4ecb\u96fb\u5e38\u6578 $D_k \\approx 70\\sim 80$\uff0c$D_f \\approx 0.15$\u3002\u50b3\u7d71 PI \u7684\u98fd\u548c\u5438\u6c34\u7387\u9ad8\u9054 1.5%\uff5e3.0%\uff0c\u4e00\u65e6\u5438\u6fd5\uff0c\u8edf\u677f\u7684\u6709\u6548 $D_k$ \u8207 $D_f$ \u5c07\u5287\u70c8\u6f02\u79fb\uff0c\u5c0e\u81f4\u50b3\u8f38\u7dda\u7279\u6027\u963b\u6297\u5931\u914d\uff08Impedance Mismatch\uff09\u4e26\u7522\u751f\u53cd\u5c04\u96dc\u8a0a\u3002\u6b32\u4e86\u89e3\u6975\u7aef\u5de5\u4f5c\u74b0\u5883\u4e0b\u4e0d\u540c\u5de5\u7a0b\u5851\u81a0\u7684\u8010\u6eab\u8207\u4ecb\u8cea\u7a69\u5b9a\u6027\uff0c\u53ef\u53c3\u8003\u7ad9\u5167\u8a73\u89e3\u7684<a href=\"https:\/\/www.taichungbro.com\/en\/2024\/07\/25\/high-temperature-plastic\/\" style=\"color: #00c8d7; text-decoration: underline;\">\u8010\u9ad8\u6eab\u5de5\u7a0b\u5851\u81a0\u5728\u6975\u7aef\u74b0\u5883\u4e0b\u7684\u71b1\u7a69\u5b9a\u6027\u8207\u6750\u6599\u9078\u578b<\/a>\u3002\u9019\u6b63\u662f\u9ad8\u983b\u9ad8\u901f\u61c9\u7528\u5fc5\u9808\u5168\u9762\u64a4\u63db\u50b3\u7d71 PI \u7684\u5e95\u5c64\u7269\u7406\u539f\u56e0\u3002<\/p>\n<h2 id=\"ptfe-lcp-mpi-comparison-table\">PTFE vs LCP vs MPI \u898f\u683c\u5c0d\u7167\u8868\uff1aDk\u3001Df\u3001\u5438\u6fd5\u7387\u8207\u71b1\u58d3\u52a0\u5de5\u53c3\u6578<\/h2>\n<p>\u70ba\u5354\u52a9\u786c\u9ad4\u67b6\u69cb\u5e2b\u8207\u7dda\u8def\u8a2d\u8a08\u5de5\u7a0b\u5e2b\u5728\u898f\u683c\u9078\u578b\u6642\u5feb\u901f\u5c0d\u7126\uff0c\u4e0b\u8868\u5f59\u6574\u4f9d\u64da IPC-4204B \u898f\u7bc4\u3001Rogers Corporation \u8207 Kuraray \u6280\u8853\u624b\u518a\uff0c\u5728 10GHz\uff5e40GHz \u983b\u6bb5\u4e0b\u56db\u5927\u8edf\u677f\u57fa\u677f\u6750\u6599\u7684\u95dc\u9375\u7269\u7406\u8207\u4ecb\u96fb\u53c3\u6578\uff1a<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<thead>\n<tr>\n<th>\u6750\u6599\u985e\u578b<\/th>\n<th>\u4ecb\u96fb\u5e38\u6578 Dk (10~40GHz)<\/th>\n<th>\u4ecb\u96fb\u640d\u8017 Df (10~40GHz)<\/th>\n<th>\u5438\u6fd5\u7387 (%)<\/th>\n<th>\u71b1\u58d3\u52a0\u5de5\u6eab\u5ea6 (\u00b0C)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>PTFE\uff08\u9435\u6c1f\u9f8d\u8907\u5408\u8584\u819c\uff09<\/td>\n<td>2.1 \uff5e 2.4<\/td>\n<td>0.0009 \uff5e 0.0013<\/td>\n<td>&lt; 0.01<\/td>\n<td>350 \uff5e 385<\/td>\n<\/tr>\n<tr>\n<td>LCP\uff08\u6db2\u6676\u9ad8\u5206\u5b50\u8584\u819c\uff09<\/td>\n<td>2.9 \uff5e 3.1<\/td>\n<td>0.0020 \uff5e 0.0025<\/td>\n<td>&lt; 0.04<\/td>\n<td>280 \uff5e 310<\/td>\n<\/tr>\n<tr>\n<td>MPI\uff08\u6539\u6027\u805a\u91af\u4e9e\u80fa\uff09<\/td>\n<td>3.1 \uff5e 3.3<\/td>\n<td>0.0040 \uff5e 0.0060<\/td>\n<td>0.5 \uff5e 0.8<\/td>\n<td>200 \uff5e 240<\/td>\n<\/tr>\n<tr>\n<td>\u50b3\u7d71 PI\uff08\u6a19\u6e96\u805a\u91af\u4e9e\u80fa\uff09<\/td>\n<td>3.2 \uff5e 3.5<\/td>\n<td>0.0150 \uff5e 0.0200<\/td>\n<td>1.5 \uff5e 3.0<\/td>\n<td>180 \uff5e 220<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p><strong>\u8868\u683c\u9078\u578b\u5224\u8b80\u8207\u5be6\u52d9\u81e8\u754c\u9ede\uff1a<\/strong> \u5f9e\u4ecb\u96fb\u640d\u8017\u6307\u6a19\u4f86\u770b\uff0cPTFE \u7684 $D_f$ \u50c5\u6709\u50b3\u7d71 PI \u7684\u5341\u4e94\u5206\u4e4b\u4e00\uff0c\u662f\u4e09\u8005\u4e2d\u50b3\u8f38\u640d\u8017\u6700\u5c0f\u7684\u6750\u6599\uff1b\u7136\u800c\uff0c\u5176\u71b1\u58d3\u52a0\u5de5\u6eab\u5ea6\u903c\u8fd1 380\u00b0C\uff0c\u4e14\u71b1\u81a8\u8139\u4fc2\u6578\u63a7\u5236\u4e0d\u6613\uff0c\u901a\u5e38\u7528\u65bc\u8a0a\u865f\u7dda\u5c64\u6578\u5c11\uff081\uff5e2 \u5c64\uff09\u3001\u7dda\u9577\u8f03\u9577\u4e14\u640d\u8017\u8981\u6c42\u6975\u82db\u523b\u7684\u9ede\u5c0d\u9ede\u50b3\u8f38\u7dda\uff08\u5982\u540c\u8ef8\u8df3\u7dda\u6216\u80cc\u677f\u8df3\u7dda\uff09\u3002LCP \u5247\u5728\u640d\u8017\uff08$D_f \\approx 0.002$\uff09\u8207\u52a0\u5de5\u6027\u4e4b\u9593\u53d6\u5f97\u7cbe\u6e96\u5e73\u8861\uff0c\u7279\u5225\u662f\u4f4e\u65bc 0.04% \u7684\u5438\u6c34\u7387\uff0c\u78ba\u4fdd\u9ad8\u6eab\u9ad8\u6fd5\uff08\u5982 85\u00b0C\/85% RH\uff09\u74b0\u6e2c\u6642\u4ecb\u96fb\u8868\u73fe\u5e7e\u4e4e\u4e0d\u6f02\u79fb\uff0c\u6210\u70ba\u591a\u5c64\u8edf\u677f\uff084\uff5e8 \u5c64\u4ee5\u4e0a\uff09\u8207\u5929\u7dda\u5c01\u88dd\u6a21\u7d44\u7684\u9996\u9078\u3002MPI \u5247\u4f5c\u70ba\u300c\u7d93\u6fdf\u578b\u6539\u88dd\u6599\u300d\uff0c\u52a0\u5de5\u8a2d\u5099\u53ef\u5b8c\u5168\u6cbf\u7528\u50b3\u7d71 PI \u7522\u7dda\uff0c\u9069\u5408\u7528\u65bc Sub-6GHz \u983b\u6bb5\u6216\u50b3\u8f38\u8ddd\u96e2\u5c0f\u65bc 10 \u516c\u5206\u7684\u6b21\u7d1a\u4ecb\u9762\u3002<\/p>\n<h2 id=\"ptfe-fluoropolymer-challenges\">PTFE \u8edf\u677f\u57fa\u677f\uff1a\u6975\u81f4\u4ecb\u96fb\u640d\u8017\u80cc\u5f8c\u7684\u300c\u9285\u7b94\u9644\u8457\u300d\u8207\u300c\u51b7\u6d41\u8b8a\u5f62\u300d\u4ee3\u50f9<\/h2>\n<p>\u805a\u56db\u6c1f\u4e59\u70ef\uff08PTFE\uff09\u7684\u9ad8\u5206\u5b50\u7d50\u69cb\u7531\u78b3\u2013\u78b3\u9aa8\u67b6\u88ab\u7dca\u5bc6\u570d\u7e5e\u7684\u9ad8\u96fb\u8ca0\u6027\u6c1f\u539f\u5b50\u5b8c\u5168\u5c4f\u853d\u800c\u6210\u3002C\u2013F \u9375\u7684\u9375\u80fd\u6975\u9ad8\uff08\u7d04 485 kJ\/mol\uff09\uff0c\u4e14\u5c0d\u7a31\u6027\u6975\u4f73\uff0c\u5206\u5b50\u5167\u90e8\u5e7e\u4e4e\u4e0d\u5b58\u5728\u6c38\u4e45\u5076\u6975\u77e9\u3002\u9019\u8ce6\u4e88\u4e86 PTFE \u5169\u5927\u7269\u7406\u7279\u6027\uff1a\u6975\u4f4e\u6975\u5316\u7387\u5e36\u4f86\u7684\u8d85\u4f4e $D_k$\uff08\u7d04 2.1\uff09\u8207\u8d85\u4f4e $D_f$\uff08\u7d04 0.001\uff09\uff0c\u4ee5\u53ca\u6975\u4f4e\u7684\u8868\u9762\u81ea\u7531\u80fd\uff08\u81e8\u754c\u8868\u9762\u5f35\u529b\u50c5\u7d04 18 mN\/m\uff09\u3002<\/p>\n<p>\u6975\u4f4e\u7684\u8868\u9762\u81ea\u7531\u80fd\u4f7f\u6db2\u9ad4\u5728\u5176\u8868\u9762\u5448\u73fe\u6975\u5927\u63a5\u89f8\u89d2\uff08\u6c34\u63a5\u89f8\u89d2\u8d85\u904e 110\u00b0\uff09\uff0c\u9019\u5728\u4e0d\u6cbe\u934b\u5857\u5c64\u4e0a\u662f\u7121\u53ef\u5339\u6575\u7684\u512a\u9ede\uff0c\u4f46\u5728\u8edf\u677f\u8986\u9285\u677f\uff08FCCL\uff09\u88fd\u7a0b\u4e2d\u537b\u662f\u707d\u96e3\u6027\u7684\u969c\u7919\uff1a<strong>\u9285\u7b94\u6975\u96e3\u7262\u56fa\u9644\u8457\u65bc PTFE \u8868\u9762<\/strong>.<\/p>\n<p>\u82e5\u76f4\u63a5\u58d3\u5408\u9285\u7b94\uff0c\u5176\u525d\u96e2\u5f37\u5ea6\uff08Peel Strength\uff09\u901a\u5e38\u4f4e\u65bc 0.3 N\/mm\uff0c\u9060\u4f4e\u65bc\u5de5\u696d\u7d44\u88dd\u6a19\u6e96\uff08\u901a\u5e38\u9700 &gt;0.8 N\/mm\uff09\uff0c\u5728\u56de\u6d41\u710a\uff08Reflow\uff09\u9ad8\u6eab\u885d\u64ca\u4e0b\u6975\u6613\u767c\u751f\u5206\u5c64\u7206\u677f\u3002\u70ba\u4e86\u63d0\u5347\u9285\u7b94\u7d50\u5408\u529b\uff0c\u696d\u754c\u5fc5\u9808\u5f15\u5165\u7279\u6b8a\u7684\u8868\u9762\u6539\u8cea\u5de5\u85dd\uff1a<\/p>\n<ol>\n<li><strong>\u5316\u5b78\u9209\u5316\u8655\u7406\uff08Sodium Naphthalene Etching\uff09<\/strong>\uff1a\u5229\u7528\u91d1\u5c6c\u9209\u7684\u5f37\u9084\u539f\u6027\u596a\u53d6 PTFE \u8868\u9762\u7684\u6c1f\u539f\u5b50\uff0c\u5728\u8868\u9762\u5f62\u6210\u5bcc\u78b3\u7684\u7c97\u7cd9\u6d3b\u6027\u5c64\u3002\u4f46\u8a72\u5316\u5b78\u6db2\u5177\u5371\u96aa\u6027\u4e14\u8655\u7406\u5f8c\u8868\u9762\u6613\u6c27\u5316\u5438\u6f6e\uff0c\u5fc5\u9808\u5728\u56b4\u683c\u6642\u9650\u5167\u5b8c\u6210\u9285\u7b94\u58d3\u5408\u3002<\/li>\n<li><strong>\u96fb\u6f3f\u8868\u9762\u6d3b\u5316\uff08Plasma Treatment\uff09<\/strong>\uff1a\u5229\u7528\u6c2c\u6c23\u3001\u6c27\u6c23\u6216\u56db\u6c1f\u5316\u78b3\u96fb\u6f3f\u8f5f\u64ca\u57fa\u6750\u8868\u9762\uff0c\u5f15\u5165\u5fae\u5fae\u7c73\u7d1a\u7c97\u5316\u5b54\u9699\u4e26\u63a5\u679d\u6975\u6027\u5b98\u80fd\u57fa\u3002<\/li>\n<\/ol>\n<p>\u7136\u800c\uff0c\u8868\u9762\u6539\u8cea\u8d8a\u6df1\uff0c\u4ecb\u96fb\u640d\u8017\u4e5f\u6703\u5fae\u5e45\u4e0a\u5347\uff1b\u82e5\u70ba\u4e86\u7269\u7406\u5d4c\u5408\u800c\u63a1\u7528\u9ad8\u7c97\u7cd9\u5ea6\u9285\u7b94\uff08\u5982\u50b3\u7d71\u96fb\u89e3\u9285\u7b94 STD\uff09\uff0c\u9285\u7b94\u7684\u5fae\u89c0\u7259\u5c16\u6703\u52a0\u5287\u9ad8\u983b\u96c6\u819a\u6548\u61c9\u640d\u8017\uff0c\u62b5\u6d88 PTFE \u7684\u4f4e\u640d\u8017\u512a\u52e2\u3002\u56e0\u6b64\uff0cPTFE \u9ad8\u983b\u57fa\u677f\u5fc5\u9808\u642d\u914d\u6602\u8cb4\u7684\u6975\u4f4e\u8f2a\u5ed3\u9285\u7b94\uff08HVLP \u6216 RTF\uff09\uff0c\u9019\u5c0d\u6539\u8cea\u6280\u8853\u63d0\u51fa\u4e86\u6975\u9ad8\u8981\u6c42\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u7d14 PTFE \u5177\u5099\u660e\u986f\u7684\u300c\u51b7\u6d41\u6027\u300d\uff08Cold Flow \/ \u6f5b\u8b8a\uff09\uff0c\u5373\u5728\u5e38\u6eab\u5e38\u58d3\u6216\u87ba\u7d72\u9396\u9644\u58d3\u529b\u4e0b\uff0c\u5206\u5b50\u93c8\u6703\u96a8\u6642\u9593\u7de9\u6162\u6ed1\u79fb\u8b8a\u5f62\u3002\u9019\u6703\u5c0e\u81f4\u5fae\u5e36\u7dda\uff08Microstrip\uff09\u7684\u57fa\u677f\u539a\u5ea6\u767c\u751f\u5c40\u90e8\u5fae\u8b8a\uff0c\u9032\u800c\u6539\u8b8a\u7279\u6027\u963b\u6297\uff08\u9020\u6210 50 $\\Omega$ \u504f\u79fb\uff09\u3002\u70ba\u89e3\u6c7a\u6b64\u554f\u984c\uff0c\u5546\u7528 PTFE \u9ad8\u983b\u57fa\u677f\uff08\u5982 Rogers RT\/duroid \u7cfb\u5217\uff09\u901a\u5e38\u5fc5\u9808\u586b\u5145\u8d85\u7d30\u5fae\u73bb\u7483\u7e96\u7dad\u5e03\uff08Micro-fiberglass\uff09\u6216\u9676\u74f7\u5948\u7c73\u5fae\u7c92\uff08\u5982\u4e8c\u6c27\u5316\u77fd\u3001\u4e8c\u6c27\u5316\u9226\uff09\uff0c\u9019\u4f7f\u5f97\u8584\u819c\u88fd\u4f5c\u5747\u52fb\u5ea6\u8207\u6210\u672c\u63a7\u5236\u96e3\u5ea6\u5927\u5e45\u6500\u5347\u3002<\/p>\n<h2 id=\"lcp-liquid-crystal-polymer-mechanics\">LCP \u8edf\u677f\u57fa\u677f\uff1a\u8d85\u4f4e\u5438\u6fd5\u512a\u52e2\u8207\u5206\u5b50\u5b9a\u5411\u300c\u5404\u5411\u7570\u6027\u300d\u88fd\u7a0b\u6311\u6230<\/h2>\n<p>\u6db2\u6676\u9ad8\u5206\u5b50\uff08LCP\uff09\u662f\u4e00\u7a2e\u5168\u82b3\u9999\u65cf\u4e3b\u93c8\u71b1\u5851\u6027\u805a\u916f\u3002\u5728\u7194\u878d\u72c0\u614b\u4e0b\uff0c\u5176\u525b\u6027\u68d2\u72c0\u5206\u5b50\u93c8\u6bb5\u6703\u81ea\u767c\u5448\u73fe\u5411\u5217\u76f8\uff08Nematic Phase\uff09\u9ad8\u5ea6\u6709\u5e8f\u6392\u5217\uff0c\u51b7\u537b\u56fa\u5316\u5f8c\u5f62\u6210\u81ea\u589e\u5f37\u7684\u5fae\u7e96\u7dad\u7d50\u69cb\u3002<\/p>\n<p>LCP \u6700\u4ee4\u4eba\u7a31\u9053\u7684\u5de5\u7a0b\u512a\u52e2\u5728\u65bc\u5176\u7dfb\u5bc6\u7684\u6676\u5340\u7d50\u69cb\u3002\u9019\u7a2e\u7d50\u69cb\u4f7f\u6c34\u5206\u5b50\u6975\u96e3\u6ef2\u5165\u5176\u81ea\u7531\u9ad4\u7a4d\uff0c<strong>\u98fd\u548c\u5438\u6c34\u7387\u5c0f\u65bc 0.04%<\/strong>\u3002\u9019\u610f\u5473\u8457\u7121\u8ad6\u8a2d\u5099\u8655\u65bc\u71b1\u5e36\u6f6e\u6fd5\u96e8\u6797\u9084\u662f\u4e7e\u71e5\u6a5f\u623f\uff0cLCP \u8edf\u677f\u7684\u8a0a\u865f\u5ef6\u9072\uff08Propagation Delay\uff09\u8207\u4ecb\u96fb\u640d\u8017\u66f2\u7dda\u5e7e\u4e4e\u4fdd\u6301\u5e73\u76f4\u7dda\u689d\uff0c\u7d55\u4e0d\u6703\u56e0\u74b0\u5883\u6fd5\u5ea6\u5287\u70c8\u52a3\u5316\u3002<\/p>\n<p>\u7136\u800c\uff0cLCP \u7684\u525b\u786c\u68d2\u72c0\u5206\u5b50\u7d50\u69cb\u662f\u4e00\u628a\u96d9\u9762\u5203\uff0c\u5b83\u5e36\u4f86\u4e86\u8edf\u677f\u52a0\u5de5\u9818\u57df\u6700\u68d8\u624b\u7684\u96e3\u984c\uff1a<strong>\u6d41\u52d5\u8a98\u5c0e\u7684\u5404\u5411\u7570\u6027\uff08Anisotropy\uff09<\/strong>.<\/p>\n<ul>\n<li><strong>\u71b1\u81a8\u8139\u4fc2\u6578\uff08CTE\uff09\u7684\u5931\u914d<\/strong>\uff1a\u5728\u7194\u878d\u64e0\u51fa\u6210\u819c\u904e\u7a0b\u4e2d\uff0cLCP \u5206\u5b50\u93c8\u50be\u5411\u65bc\u9806\u8457\u6d41\u52d5\u65b9\u5411\uff08Machine Direction, MD\uff09\u5e73\u884c\u6392\u5217\u3002\u9019\u4f7f\u5f97\u8584\u819c\u5728\u7e31\u5411\uff08MD\uff09\u7684 CTE \u53ef\u4ee5\u4f4e\u81f3 10\uff5e16 ppm\/\u00b0C\uff08\u8207\u9285\u7b94\u7684 17 ppm\/\u00b0C \u5b8c\u7f8e\u5339\u914d\uff09\uff1b\u4f46\u5728\u5782\u76f4\u6d41\u52d5\u7684\u6a6b\u5411\uff08Transverse Direction, TD\uff09\u8207\u539a\u5ea6\u65b9\u5411\uff08Z \u8ef8\uff09\uff0cCTE \u537b\u53ef\u80fd\u98c6\u5347\u81f3 50\uff5e150 ppm\/\u00b0C\u3002<\/li>\n<li><strong>\u7ff9\u66f2\u8207\u5fae\u5b54\u65b7\u88c2\u98a8\u96aa<\/strong>\uff1a\u7576 FPC \u7d93\u6b77 260\u00b0C \u7684\u7121\u925b\u56de\u6d41\u710a\u6642\uff0cZ \u8ef8\u5de8\u5927\u7684\u71b1\u81a8\u8139\u7387\u6703\u5c0d\u96f7\u5c04\u76f2\u5b54\uff08Laser Via\uff09\u5b54\u58c1\u7684\u96fb\u934d\u9285\u5c64\u65bd\u52a0\u56b4\u91cd\u7684\u62c9\u4f38\u61c9\u529b\uff0c\u5c0e\u81f4\u5b54\u58c1\u958b\u88c2\u6216\u5fae\u901a\u5b54\u65b7\u8def\u3002\u6b64\u5916\uff0c\u5404\u5411\u7570\u6027\u9020\u6210\u7684\u5167\u61c9\u529b\u91cb\u653e\u6703\u5f15\u767c\u56b4\u91cd\u7684\u8edf\u677f\u5c3a\u5bf8\u5f62\u8b8a\u8207\u7ff9\u66f2\uff08Warpage\uff09\u3002<\/li>\n<\/ul>\n<p>\u8981\u514b\u670d LCP \u7684\u5404\u5411\u7570\u6027\uff0c\u8584\u819c\u4f9b\u61c9\u5546\uff08\u5982\u65e5\u672c Kuraray\u3001Murata\uff0c\u4ee5\u53ca\u53f0\u7063\u7684\u53f0\u8679\u3001\u9054\u9081\u7b49\u7814\u767c\u9ad4\u7cfb\uff09\u5fc5\u9808\u63a1\u7528\u7279\u6b8a\u7684\u5439\u819c\u591a\u8ef8\u65cb\u8f49\u6a21\u982d\uff08Blown Film with Counter-Rotating Die\uff09\u5de5\u85dd\uff0c\u5f37\u5236\u6253\u7834\u55ae\u4e00\u6d41\u5411\uff0c\u4f7f\u5206\u5b50\u93c8\u5728\u5e73\u9762\u5167\u5448\u73fe\u5404\u5411\u540c\u6027\u7684\u96d9\u8ef8\u4ea4\u932f\u7db2\u72c0\u7d50\u69cb\u3002<\/p>\n<p>\u5728\u591a\u5c64\u8edf\u677f\u58d3\u5408\u65b9\u9762\uff0cLCP \u7684\u71b1\u58d3\u6eab\u5ea6\u7a97\u53e3\u6975\u70ba\u72f9\u7a84\uff08\u901a\u5e38\u5728 285\u00b0C\uff5e305\u00b0C \u4e4b\u9593\uff09\u3002\u6eab\u5ea6\u7a0d\u4f4e\uff0cLCP \u7121\u6cd5\u7194\u878d\u7522\u751f\u81ea\u9ecf\u6d41\u52d5\uff1b\u6eab\u5ea6\u8d85\u51fa 5\u00b0C\uff5e10\u00b0C\uff0c\u6750\u6599\u6703\u8fc5\u901f\u7531\u5411\u5217\u76f8\u8f49\u70ba\u5747\u52fb\u5404\u5411\u540c\u6027\u6db2\u9ad4\uff0c\u7194\u9ad4\u9ecf\u5ea6\u9a5f\u964d\uff0c\u5c0e\u81f4\u57fa\u677f\u8d70\u7dda\u88ab\u64e0\u58d3\u79fb\u4f4d\u3001\u4ecb\u8cea\u539a\u5ea6\u5d29\u584c\u3002\u9019\u7a2e\u82db\u523b\u7684\u71b1\u58d3\u5de5\u85dd\u5bb9\u8a31\u5ea6\uff0c\u5c0d\u58d3\u5408\u8a2d\u5099\u7684\u6eab\u5ea6\u5747\u52fb\u5ea6\uff08$\\pm 2^\\circ\\text{C}$\uff09\u63d0\u51fa\u4e86\u6975\u9ad8\u6a19\u6e96\u3002\u5728\u5148\u9032\u8f09\u677f\u8207\u5c01\u88dd\u9818\u57df\uff0c\u985e\u4f3c\u7684\u57fa\u677f\u5e73\u6574\u5ea6\u8207\u9ad8\u983b\u50b3\u8f38\u53d6\u6368\uff0c\u4ea6\u53ef\u5c0d\u7167<a href=\"https:\/\/www.taichungbro.com\/en\/2026\/07\/02\/glass-substrate-advanced-packaging\/\" style=\"color: #00c8d7; text-decoration: underline;\">\u73bb\u7483\u57fa\u677f\u5148\u9032\u5c01\u88dd\u8207\u9ad8\u983b\u8a0a\u865f\u50b3\u8f38\u5e73\u6574\u5ea6\u8a55\u4f30<\/a>\u7684\u7d50\u69cb\u5c0d\u6bd4\u3002<\/p>\n<h2 id=\"mpi-compromise-positioning\">MPI\uff08\u6539\u6027\u805a\u91af\u4e9e\u80fa\uff09\u7684\u904e\u6e21\u5b9a\u4f4d\uff1aSub-6GHz \u81f3 15GHz \u7684\u9ad8\u6027\u50f9\u6bd4\u6298\u8877<\/h2>\n<p>\u65e2\u7136 PTFE \u52a0\u5de5\u96e3\u4e14\u6602\u8cb4\uff0cLCP \u8584\u819c\u5404\u5411\u7570\u6027\u63a7\u5236\u4e0d\u6613\u4e14\u5c08\u5229\u96c6\u4e2d\u65bc\u5c11\u6578\u65e5\u7cfb\u5927\u5ee0\uff0c\u5de5\u7a0b\u754c\u4fbf\u767c\u5c55\u51fa\u6539\u826f\u578b\u805a\u91af\u4e9e\u80fa\uff08Modified PI, \u7c21\u7a31 MPI\uff09\u3002<\/p>\n<p>MPI \u7684\u5316\u5b78\u6539\u6027\u8def\u5f91\uff0c\u4e3b\u8981\u662f\u5728\u805a\u91af\u4e9e\u80fa\u7684\u5206\u5b50\u9aa8\u67b6\u4e2d\u5f15\u5165\u5177\u7acb\u9ad4\u4f4d\u963b\u7684\u975e\u6975\u6027\u6c1f\u78b3\u57fa\u5718\u6216\u8102\u74b0\u65cf\u7d50\u69cb\uff0c\u6216\u8005\u900f\u904e\u5171\u805a\u53cd\u61c9\u964d\u4f4e\u5206\u5b50\u6975\u5316\u7387\u3002\u540c\u6642\uff0c\u8abf\u6574\u5316\u5b78\u7d50\u69cb\u964d\u4f4e\u5176\u81ea\u7531\u9ad4\u7a4d\uff0c\u5c07\u5438\u6c34\u7387\u5f9e\u50b3\u7d71 PI \u7684 2% \u6291\u5236\u81f3 0.5%\uff5e0.8% \u5de6\u53f3\u3002<\/p>\n<p>\u5728\u96fb\u6c23\u6027\u80fd\u4e0a\uff0cMPI \u5728 10GHz\uff5e15GHz \u983b\u6bb5\u5c55\u73fe\u51fa\u4ee4\u4eba\u6eff\u610f\u7684\u6298\u8877\u6c34\u6e96\uff1a<\/p>\n<ul>\n<li>\u4ecb\u96fb\u5e38\u6578 $D_k$ \u7d04\u5728 3.1\uff5e3.3\u3002<\/li>\n<li>\u4ecb\u96fb\u640d\u8017 $D_f$ \u964d\u81f3 0.0040\uff5e0.0060\u3002<\/li>\n<\/ul>\n<p>\u96d6\u7136 MPI \u7684 $D_f$ \u4ecd\u662f LCP \u7684\u5169\u500d\u5de6\u53f3\uff0c\u4f46\u5728 Sub-6GHz \u7684 5G \u983b\u6bb5\u6216\u50b3\u8f38\u9577\u5ea6\u77ed\u65bc 10 \u516c\u5206\u7684\u624b\u6a5f\u5167\u90e8\u8d70\u7dda\u4e2d\uff0c\u5176\u7522\u751f\u7684\u7d55\u5c0d\u8870\u6e1b\u5dee\u7570\uff08\u901a\u5e38\u5c0f\u65bc 0.5 dB\uff09\u5b8c\u5168\u5728\u5c04\u983b\u524d\u7aef\u6676\u7247\u7684\u52d5\u614b\u7bc4\u570d\u88dc\u511f\u4e4b\u5167\u3002<\/p>\n<p>\u6700\u95dc\u9375\u7684\u662f<strong>\u88fd\u9020\u76f8\u5bb9\u6027\u8207\u7d93\u6fdf\u6027<\/strong>\uff1aMPI \u4fdd\u6301\u4e86\u50b3\u7d71\u71b1\u56fa\u6027\u805a\u91af\u4e9e\u80fa\u7684\u5316\u5b78\u672c\u6027\uff0cPCB \u88fd\u9020\u5ee0\u7121\u9700\u6dfb\u8cfc\u6bcf\u53f0\u52d5\u8f12\u6578\u767e\u842c\u7684\u9ad8\u6eab\u771f\u7a7a\u58d3\u5408\u6a5f\uff0c\u53ef\u76f4\u63a5\u5229\u7528\u65e2\u6709\u7684\u9285\u7b94\u58d3\u5408\u8207\u947d\u5b54\u6e05\u6d17\u7522\u7dda\u91cf\u7522\uff0c\u5176\u6574\u9ad4\u88fd\u9020\u826f\u7387\u9ad8\u9054 90% \u4ee5\u4e0a\uff0c\u57fa\u677f\u7d9c\u5408\u6210\u672c\u6bd4 LCP \u4fbf\u5b9c 20%\uff5e30%\u3002\u56e0\u6b64\uff0c\u5728 15GHz \u4ee5\u4e0b\u7684\u6d88\u8cbb\u96fb\u5b50\u8207\u8eca\u8f09\u6b21\u7d1a\u901a\u8a0a\u6a21\u7d44\u4e2d\uff0cMPI \u7a69\u56fa\u4f54\u64da\u8457\u4e3b\u6d41\u904e\u6e21\u6750\u6599\u7684\u5e2d\u4f4d\u3002<\/p>\n<h2 id=\"ai-server-and-5g-selection-logic\">AI \u4f3a\u670d\u5668\u5167\u90e8\u9ad8\u901f\u8df3\u7dda\u8207 5G \u6beb\u7c73\u6ce2\u5929\u7dda\u6a21\u7d44\u7684\u9078\u578b\u5be6\u52d9<\/h2>\n<p>\u9ad8\u983b\u8edf\u677f\u6750\u6599\u4e26\u975e\u55ae\u7d14\u7531\u300c\u8ab0\u7684 $D_f$ \u6700\u4f4e\u300d\u6c7a\u5b9a\u52dd\u8ca0\uff0c\u800c\u662f\u4f9d\u64da\u5be6\u969b\u786c\u9ad4\u7cfb\u7d71\u7684\u7a7a\u9593\u5e7e\u4f55\u3001\u50b3\u8f38\u9577\u5ea6\u3001\u983b\u7387\u4e0a\u9650\u8207\u6298\u5f4e\u8981\u6c42\u505a\u67b6\u69cb\u9078\u578b\uff1a<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<thead>\n<tr>\n<th>\u8a0a\u865f\u983b\u7387\u8207\u50b3\u8f38\u9577\u5ea6<\/th>\n<th>\u7cfb\u7d71\u67b6\u69cb\u9650\u5236\u8207\u6311\u6230<\/th>\n<th>\u63a8\u85a6\u9078\u7528\u6750\u6599<\/th>\n<th>\u6838\u5fc3\u7406\u7531\u8207\u9078\u578b\u53d6\u6368<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Sub-6GHz \/ 15GHz \u4ee5\u4e0b\uff08\u8d70\u7dda &lt; 10cm\uff09<\/td>\n<td>\u6210\u672c\u654f\u611f\u3001\u77ed\u8ddd\u96e2\u624b\u6a5f\u8207\u8eca\u8f09\u8a0a\u865f<\/td>\n<td>MPI\uff08\u6539\u6027\u805a\u91af\u4e9e\u80fa\uff09<\/td>\n<td>\u76f8\u5bb9\u50b3\u7d71 PI \u7522\u7dda\u8a2d\u5099\uff0c\u826f\u7387 &gt;90%\uff0c\u7d9c\u5408\u6210\u672c\u6700\u5177\u7af6\u722d\u529b<\/td>\n<\/tr>\n<tr>\n<td>20GHz\uff5e112GHz\uff08\u9577\u8ddd\u96e2 30\uff5e80cm\uff09<\/td>\n<td>AI \u4f3a\u670d\u5668 GPU\/NVSwitch \u9ad8\u901f\u5167\u90e8\u8df3\u7dda<\/td>\n<td>PTFE \u5fae\u540c\u8ef8\u7dda\uff08Twinax\uff09<\/td>\n<td>\u4ecb\u96fb\u640d\u8017\u6700\u4f4e\uff08Df 0.001\uff09\uff0c\u5927\u5e45\u7bc0\u7701\u95dc\u9375 2\uff5e3 dB \u640d\u8017\u9918\u91cf<\/td>\n<\/tr>\n<tr>\n<td>28GHz\uff5e39GHz 5G \u6beb\u7c73\u6ce2\u5929\u7dda<\/td>\n<td>\u9ad8\u5bc6\u5ea6\u591a\u5c64\u4e92\u9023\uff084\uff5e8 \u5c64\uff09\u3001\u5fae\u76f2\u5b54<\/td>\n<td>LCP \u591a\u5c64\u8edf\u677f\u57fa\u677f<\/td>\n<td>\u98fd\u548c\u5438\u6c34\u7387 &lt;0.04%\uff0c\u53ef\u7121\u81a0\u81ea\u7194\u591a\u5c64\u58d3\u5408\uff0c\u6297\u6f6e\u4e14\u5c3a\u5bf8\u7a69\u5b9a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h3>1. AI \u4f3a\u670d\u5668\u5167\u90e8\u7684\u9ad8\u901f\u50b3\u8f38\u8df3\u7dda\uff08Near-ASIC Cable \/ Flyover\uff09<\/h3>\n<p>\u5728\u4ee5 NVIDIA HGX\u3001GB200 \u6216 AMD MI300 \u70ba\u4ee3\u8868\u7684\u9ad8\u968e AI \u4f3a\u670d\u5668\u6a5f\u6ac3\u5167\uff0cGPU \u8207 NVSwitch \u4e4b\u9593\u7684 SerDes \u9023\u7dda\u901f\u7387\u5df2\u9ad8\u9054 112Gbps \u751a\u81f3 224Gbps PAM4\uff0c\u5948\u594e\u65af\u7279\u983b\u7387\uff08Nyquist Frequency\uff09\u9ad8\u9054 28GHz\uff5e56GHz\u3002<\/p>\n<p>\u82e5\u8a0a\u865f\u5168\u90e8\u5728\u9f90\u5927\u7684\u591a\u5c64 PCB \u80cc\u677f\uff08Backplane\uff09\u5167\u8d70\u9285\u7b94\u7dda\uff0c\u5373\u4fbf\u63a1\u7528\u6602\u8cb4\u7684 M7\/M8 \u7b49\u7d1a\u6975\u4f4e\u640d\u8017\u6750\u6599\uff0c\u8d70\u7dda\u8d85\u904e 30 \u516c\u5206\u6642\u63d2\u5165\u640d\u8017\uff08Insertion Loss\uff09\u4ecd\u6703\u7a81\u7834 30 dB \u9810\u7b97\u3002\u56e0\u6b64\uff0c\u4f3a\u670d\u5668\u67b6\u69cb\u8f49\u5411\u63a1\u7528\u300c\u8fd1\u6676\u7247\u5167\u90e8\u8df3\u7dda\u300d\uff08Over-PCB Flyover Cable\uff09\u3002\u5728\u6b64\u67b6\u69cb\u4e0b\uff1a<\/p>\n<ul>\n<li>\u9577\u8ddd\u96e2\u8df3\u7dda\uff0830cm\uff5e80cm\uff09\u5927\u91cf\u63a1\u7528\u4ee5 <strong>PTFE \u70ba\u7d55\u7de3\u4ecb\u8cea\u7684\u5fae\u540c\u8ef8\u7dda\uff08Twinax Cable\uff09<\/strong>\u3002\u56e0\u70ba\u5728\u9577\u8ddd\u96e2\u50b3\u8f38\u4e0b\uff0cPTFE \u6975\u81f4\u7684 $D_f$\uff080.0010\uff09\u80fd\u7bc0\u7701\u95dc\u9375\u7684 2\uff5e3 dB \u9918\u91cf\uff1b\u800c\u8df3\u7dda\u5f62\u614b\u907f\u958b\u4e86\u591a\u5c64\u58d3\u5408\u96e3\u984c\uff0c\u7531\u7cbe\u5bc6\u7aef\u5b50\u8207\u6392\u7dda\u76f4\u63a5\u5c0d\u63a5\u3002\u6df1\u5165\u4e86\u89e3 AI \u4f3a\u670d\u5668\u6a5f\u6ac3\u5167\u90e8\u5b8c\u6574\u786c\u9ad4\u5206\u5de5\u8207\u96f6\u7d44\u4ef6\u4f48\u5c40\uff0c\u53ef\u53c3\u898b<a href=\"https:\/\/www.taichungbro.com\/en\/2026\/07\/21\/wiwynn-ai-server-components\/\" style=\"color: #00c8d7; text-decoration: underline;\">\u4e00\u53f0 AI \u4f3a\u670d\u5668\u5167\u90e8\u96f6\u7d44\u4ef6\u914d\u7f6e\u8207\u9ad8\u901f\u80cc\u677f\u67b6\u69cb<\/a>.<\/li>\n<li>\u82e5\u672a\u4f86\u9285\u7dda\u50b3\u8f38\u9577\u5ea6\u9032\u4e00\u6b65\u903c\u8fd1\u6975\u9650\uff0c\u5149\u96fb\u5171\u5c01\u88dd\u5c07\u6210\u70ba\u7d42\u6975\u66ff\u4ee3\u65b9\u6848\uff0c\u76f8\u95dc\u6280\u8853\u74f6\u9838\u53ef\u9032\u4e00\u6b65\u6aa2\u8996<a href=\"https:\/\/www.taichungbro.com\/en\/2026\/06\/21\/cpo-co-packaged-optics\/\" style=\"color: #00c8d7; text-decoration: underline;\">CPO \u5171\u540c\u5c01\u88dd\u5149\u5b78\u5982\u4f55\u7a81\u7834\u9ad8\u901f\u9285\u7dda\u50b3\u8f38\u6975\u9650<\/a>.<\/li>\n<\/ul>\n<h3>2. 5G \u6beb\u7c73\u6ce2\u5929\u7dda\u5c01\u88dd\u6a21\u7d44\uff08Antenna-in-Package, AiP\uff09<\/h3>\n<p>5G \u6beb\u7c73\u6ce2\uff0828GHz\u300139GHz\uff09\u5929\u7dda\u6a21\u7d44\u5fc5\u9808\u5c07 RF \u5c04\u983b\u6676\u7247\u3001\u96fb\u6e90\u7ba1\u7406 IC \u8207\u9663\u5217\u5929\u7dda\u9ad8\u5ea6\u6574\u5408\u65bc\u6975\u5c0f\u7684\u6a21\u7d44\u5167\u3002<\/p>\n<ul>\n<li>\u6a21\u7d44\u5167\u90e8\u901a\u5e38\u9700\u8981 4 \u5230 8 \u5c64\u7684\u9ad8\u5bc6\u5ea6\u4e92\u9023\uff08HDI\uff09\u7d50\u69cb\uff0c\u5305\u542b\u5927\u91cf\u5fae\u76f2\u5b54\u8207\u57cb\u5b54\u3002<\/li>\n<li>\u6b64\u8655 <strong>LCP \u6210\u70ba\u58d3\u5012\u6027\u9078\u64c7<\/strong>\u3002PTFE \u7531\u65bc\u9ad8\u6eab\u51b7\u6d41\u8207\u96f7\u5c04\u947d\u5b54\u6b98\u81a0\u554f\u984c\uff0c\u5e7e\u4e4e\u7121\u6cd5\u7a69\u5b9a\u88fd\u4f5c\u9ad8\u826f\u7387\u7684 6 \u5c64\u4ee5\u4e0a\u5fae\u5b54\u76f2\u57cb\u677f\uff1b\u800c LCP \u5177\u5099\u71b1\u5851\u6027\u81ea\u7194\u9ecf\u5408\u80fd\u529b\uff0c\u80fd\u5728 290\u00b0C \u5de6\u53f3\u5b8c\u6210\u7121\u81a0\u591a\u5c64\u58d3\u5408\uff08Adhesiveless Lamination\uff09\uff0c\u4e14\u5438\u6c34\u7387\u6975\u4f4e\uff0c\u78ba\u4fdd\u66b4\u9732\u65bc\u5916\u90e8\u74b0\u5883\u7684\u624b\u6a5f\u5929\u7dda\u5728\u6f6e\u6fd5\u6c23\u5019\u4e0b\u7dad\u6301\u5171\u632f\u983b\u7387\u4e0d\u504f\u79fb\u3002<\/li>\n<\/ul>\n<h2 id=\"engineering-decision-beyond-df\">\u9ad8\u983b\u6750\u6599\u9078\u578b\u4e0d\u662f\u53ea\u770b Df\uff1a\u4ecb\u96fb\u7a69\u5b9a\u3001\u71b1\u6a5f\u68b0\u61c9\u529b\u8207\u91cf\u7522\u826f\u7387\u7684\u5168\u9762\u5e73\u8861<\/h2>\n<p>\u5f9e\u5be6\u9a57\u5ba4\u7684\u5fae\u6ce2\u7406\u8ad6\u8d70\u5411\u5de5\u5ee0\u7684\u91cf\u7522\u7522\u7dda\uff0c\u9ad8\u983b\u9ad8\u901f\u6750\u6599\u7684\u9078\u578b\u672c\u8cea\u662f\u4e00\u5834\u300c\u7cfb\u7d71\u7d1a\u59a5\u5354\u300d\u3002\u8a31\u591a\u521d\u968e\u8a2d\u8a08\u8005\u5bb9\u6613\u9677\u5165\u300c\u53ea\u8ffd\u9010\u6700\u4f4e $D_f$\u300d\u7684\u898f\u683c\u9677\u9631\uff0c\u537b\u5728\u6253\u6a23\u9032\u5165\u8a66\u7522\u968e\u6bb5\u906d\u9047\u56b4\u91cd\u7684\u826f\u7387\u6ed1\u9435\u76e7\u3002<\/p>\n<p>\u5728\u505a\u51fa\u57fa\u677f\u9078\u578b\u6c7a\u7b56\u6642\uff0c\u5de5\u7a0b\u5718\u968a\u5fc5\u9808\u4f9d\u5e8f\u5be9\u6838\u4ee5\u4e0b\u56db\u9053\u5de5\u7a0b\u95dc\u5361\uff1a<\/p>\n<ol>\n<li><strong>\u4ecb\u96fb\u7a69\u5b9a\u5ea6\uff08Dielectric Stability\uff09<\/strong>\uff1a\u8a55\u4f30 $D_k$ \u8207 $D_f$ \u5728\u5de5\u4f5c\u6eab\u5ea6\u5340\u9593\uff08$-40^\\circ\\text{C} \\sim 105^\\circ\\text{C}$\uff09\u8207\u6fd5\u5ea6\u8b8a\u5316\uff080% \uff5e 90% RH\uff09\u4e0b\u7684\u98c4\u79fb\u5e45\u5ea6\u3002\u82e5\u6750\u6599\u5438\u6c34\u7387\u9ad8\uff0c\u5e38\u6eab\u4e7e\u614b\u4e0b\u7684\u512a\u7570 $D_f$ \u5230\u4e86\u6f6e\u6fd5\u74b0\u5883\u5c07\u5f62\u540c\u865b\u8a2d\u3002<\/li>\n<li><strong>\u71b1\u6a5f\u68b0\u53ef\u9760\u5ea6\uff08Thermo-mechanical Reliability\uff09<\/strong>\uff1a\u78ba\u8a8d\u6750\u6599 Z \u8ef8 CTE \u8207\u96fb\u934d\u9285\u5c64\u7684\u5339\u914d\u5ea6\u3002\u904e\u5927\u7684\u539a\u5ea6\u81a8\u8139\u7387\u6703\u5c0e\u81f4 SMT \u7121\u925b\u56de\u6d41\u710a\u671f\u9593\u8cab\u5b54\u65b7\u88c2\uff0c\u76f4\u63a5\u6467\u6bc0\u6574\u6a5f\u53ef\u9760\u5ea6\u3002<\/li>\n<li><strong>\u88fd\u7a0b\u76f8\u5bb9\u6027\u8207\u8a2d\u5099\u6295\u8cc7\uff08Tooling &amp; Process Compatibility\uff09<\/strong>\uff1a\u6aa2\u8996\u88fd\u9020\u7aef\u662f\u5426\u5177\u5099\u9ad8\u6eab\u771f\u7a7a\u58d3\u5408\u6a5f\u3001\u96fb\u6f3f\u8868\u9762\u8655\u7406\u6a5f\u8207\u9ad8\u7cbe\u5ea6\u76f2\u5b54\u96f7\u5c04\u947d\u5b54\u8a2d\u5099\u3002\u82e5\u63a1\u7528 PTFE \u5c0e\u81f4\u591a\u5c64\u58d3\u5408\u826f\u7387\u6389\u81f3 60% \u4ee5\u4e0b\uff0c\u6240\u7701\u4e0b\u7684\u8a0a\u865f\u5206\u8c9d\u5c07\u5b8c\u5168\u88ab\u98c6\u5347\u7684\u88fd\u9020\u5ee2\u54c1\u6210\u672c\u6240\u541e\u566c\u3002<\/li>\n<li><strong>\u4f9b\u61c9\u93c8\u5b89\u5168\u8207\u96d9\u91cd\u4f86\u6e90\uff08Supply Chain Sourcing\uff09<\/strong>\uff1a\u9ad8\u968e LCP \u8584\u819c\u8207\u9ad8\u7d14\u5ea6 PTFE \u5c08\u5229\u9577\u671f\u53d7\u5236\u65bc\u7f8e\u65e5\u5316\u5de5\u5de8\u982d\uff0c\u78ba\u8a8d\u7b2c\u4e8c\u4f9b\u61c9\u5546\uff08\u5982\u53f0\u7063\u5728 FCCL \u8207\u57fa\u6750\u9818\u57df\u7684\u5728\u5730\u5316\u8a8d\u8b49\u9032\u5ea6\uff09\u662f\u78ba\u4fdd\u9577\u671f\u91cf\u7522\u4e0d\u53d7\u65b7\u93c8\u5a01\u8105\u7684\u6838\u5fc3\u8003\u91cf\u3002<\/li>\n<\/ol>\n<p>\u5728\u9ad8\u983b\u9ad8\u901f\u7684\u6975\u9650\u8cfd\u9053\u4e0a\uff0c\u6c92\u6709\u5b8c\u7f8e\u7684\u55ae\u4e00\u6750\u6599\uff0c\u53ea\u6709\u5728\u4ecb\u96fb\u640d\u8017\u3001\u88fd\u9020\u5bb9\u5fcd\u5ea6\u8207\u91cf\u7522\u6210\u672c\u4e09\u89d2\u5f62\u4e2d\u53d6\u5f97\u6700\u4f73\u5e73\u8861\u7684\u5de5\u7a0b\u6c7a\u7b56\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>PTFE \u8207 LCP \u8edf\u677f\u57fa\u677f\u5dee\u5728\u54ea\uff1f\u9762\u5c0d AI \u4f3a\u670d\u5668\u8207 5G \u6beb\u7c73\u6ce2\u9ad8\u983b\u50b3\u8f38\uff0c\u672c\u6587\u6df1\u5ea6\u5256\u6790 PTFE\u3001LCP \u8207 MPI \u5728 10GHz\uff5e40GHz \u7684 Dk\/Df \u4ecb\u96fb\u640d\u8017\u3001\u5438\u6c34\u7387\u3001\u51b7\u6d41\u8b8a\u5f62\u8207\u52a0\u5de5\u96e3\u5ea6\uff0c\u4e26\u9644\u5b8c\u6574\u898f\u683c\u9078\u578b\u5c0d\u7167\u8868\u3002<\/p>","protected":false},"author":5,"featured_media":3854,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[45],"tags":[638,458,426,633,636,637,634,635],"class_list":["post-3855","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industrial-knowledge","tag-5g-","tag-ai-","tag-lcp","tag-ptfe","tag-636","tag-637","tag-634","tag-635"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.taichungbro.com\/en\/wp-json\/wp\/v2\/posts\/3855","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.taichungbro.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.taichungbro.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.taichungbro.com\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.taichungbro.com\/en\/wp-json\/wp\/v2\/comments?post=3855"}],"version-history":[{"count":1,"href":"https:\/\/www.taichungbro.com\/en\/wp-json\/wp\/v2\/posts\/3855\/revisions"}],"predecessor-version":[{"id":3863,"href":"https:\/\/www.taichungbro.com\/en\/wp-json\/wp\/v2\/posts\/3855\/revisions\/3863"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.taichungbro.com\/en\/wp-json\/wp\/v2\/media\/3854"}],"wp:attachment":[{"href":"https:\/\/www.taichungbro.com\/en\/wp-json\/wp\/v2\/media?parent=3855"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.taichungbro.com\/en\/wp-json\/wp\/v2\/categories?post=3855"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.taichungbro.com\/en\/wp-json\/wp\/v2\/tags?post=3855"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}