{"id":14973,"date":"2025-06-13T10:14:39","date_gmt":"2025-06-13T02:14:39","guid":{"rendered":"https:\/\/www.textile-fabric.com\/?p=14973"},"modified":"2025-06-13T10:14:39","modified_gmt":"2025-06-13T02:14:39","slug":"%e8%81%9a%e5%9b%9b%e6%b0%9f%e4%b9%99%e7%83%af%e8%86%9c%e5%a4%8d%e5%90%88%e5%b8%83%e6%96%99%e7%9a%84%e7%94%b5%e7%a3%81%e5%b1%8f%e8%94%bd%e6%95%88%e8%83%bd%e5%88%9d%e6%ad%a5%e7%a0%94%e7%a9%b6","status":"publish","type":"post","link":"https:\/\/www.textile-fabric.com\/?p=14973","title":{"rendered":"\u805a\u56db\u6c1f\u4e59\u70ef\u819c\u590d\u5408\u5e03\u6599\u7684\u7535\u78c1\u5c4f\u853d\u6548\u80fd\u521d\u6b65\u7814\u7a76"},"content":{"rendered":"

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\u5b9e\u9a8c\u8bbe\u8ba1\u4e0e\u6d4b\u8bd5\u53c2\u6570<\/h4>\n

\u5b9e\u9a8c\u91c7\u7528\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\uff08VNA\uff09\u6d4b\u91cfS\u53c2\u6570\uff0c\u5e76\u8ba1\u7b97\u7535\u78c1\u5c4f\u853d\u6548\u80fd\uff08SE\uff09\uff0c\u516c\u5f0f\u5982\u4e0b\uff1a <\/p>\n

$$ SE (dB) = 20 log_{10} left( frac{E_0}{E_t} right) $$ <\/p>\n

\u5176\u4e2d\uff0c$ E_0 $ \u4e3a\u5165\u5c04\u7535\u78c1\u573a\u5f3a\u5ea6\uff0c$ E_t $ \u4e3a\u900f\u5c04\u7535\u78c1\u573a\u5f3a\u5ea6\u3002\u6d4b\u8bd5\u9891\u7387\u8303\u56f4\u8986\u76d61 MHz\u81f340 GHz\uff0c\u4ee5\u6db5\u76d6\u5e38\u89c1\u7684\u7535\u78c1\u5e72\u6270\u9891\u6bb5\uff0c\u5305\u62ecAM\/FM\u5e7f\u64ad\u3001\u8702\u7a9d\u901a\u4fe1\u3001Wi-Fi\u3001\u84dd\u7259\u53ca\u6beb\u7c73\u6ce2\u901a\u4fe1\u7b49\u3002 <\/p>\n

\u5b9e\u9a8c\u7ed3\u679c\u4e0e\u6570\u636e\u5206\u6790<\/h4>\n

\u5b9e\u9a8c\u6570\u636e\u663e\u793a\uff0cPTFE\u819c\u590d\u5408\u5e03\u6599\u5728\u4e0d\u540c\u9891\u7387\u8303\u56f4\u5185\u7684\u7535\u78c1\u5c4f\u853d\u6548\u80fd\u5b58\u5728\u663e\u8457\u5dee\u5f02\uff0c\u4e14\u53d7\u6750\u6599\u539a\u5ea6\u5f71\u54cd\u8f83\u5927\u3002\u88681\u5c55\u793a\u4e86\u4e0d\u540c\u539a\u5ea6\u6837\u54c1\u5728\u5178\u578b\u9891\u7387\u70b9\u4e0b\u7684\u5c4f\u853d\u6548\u80fd\u503c\u3002 <\/p>\n\n\n\n\n\n\n\n\n\n\n
\u9891\u7387 (GHz)<\/th>\n\u539a\u5ea6 0.1 mm (dB)<\/th>\n\u539a\u5ea6 0.2 mm (dB)<\/th>\n\u539a\u5ea6 0.3 mm (dB)<\/th>\n<\/tr>\n<\/thead>\n
0.1<\/td>\n18.5<\/td>\n25.7<\/td>\n31.2<\/td>\n<\/tr>\n
1<\/td>\n15.3<\/td>\n22.1<\/td>\n28.4<\/td>\n<\/tr>\n
5<\/td>\n12.6<\/td>\n19.4<\/td>\n25.8<\/td>\n<\/tr>\n
10<\/td>\n10.2<\/td>\n17.1<\/td>\n23.5<\/td>\n<\/tr>\n
20<\/td>\n8.4<\/td>\n15.3<\/td>\n21.7<\/td>\n<\/tr>\n
40<\/td>\n6.9<\/td>\n13.8<\/td>\n19.6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u4ece\u88681\u53ef\u4ee5\u770b\u51fa\uff0c\u968f\u7740\u9891\u7387\u5347\u9ad8\uff0cPTFE\u819c\u590d\u5408\u5e03\u6599\u7684\u7535\u78c1\u5c4f\u853d\u6548\u80fd\u5448\u4e0b\u964d\u8d8b\u52bf\uff0c\u8fd9\u53ef\u80fd\u4e0e\u6750\u6599\u7684\u4ecb\u7535\u635f\u8017\u548c\u7535\u78c1\u6ce2\u7a7f\u900f\u6df1\u5ea6\u6709\u5173\u3002\u7136\u800c\uff0c\u589e\u52a0\u6750\u6599\u539a\u5ea6\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u5176\u5c4f\u853d\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u57281 GHz\u9891\u7387\u4e0b\uff0c0.1 mm\u539a\u6837\u54c1\u7684\u5c4f\u853d\u6548\u80fd\u4e3a15.3 dB\uff0c\u800c0.3 mm\u539a\u6837\u54c1\u7684\u5c4f\u853d\u6548\u80fd\u63d0\u9ad8\u81f328.4 dB\uff0c\u589e\u5e45\u8fbe85.6%\u3002\u8fd9\u4e00\u8d8b\u52bf\u8868\u660e\uff0cPTFE\u819c\u590d\u5408\u5e03\u6599\u5728\u4f4e\u9891\u6bb5\u5177\u6709\u8f83\u5f3a\u7684\u7535\u78c1\u6ce2\u53cd\u5c04\u80fd\u529b\uff0c\u800c\u5728\u9ad8\u9891\u6bb5\u5219\u9700\u8981\u9002\u5f53\u589e\u52a0\u6750\u6599\u539a\u5ea6\u4ee5\u7ef4\u6301\u8db3\u591f\u7684\u5c4f\u853d\u6548\u679c\u3002 <\/p>\n

\u8fdb\u4e00\u6b65\u5206\u6790\u53d1\u73b0\uff0cPTFE\u819c\u590d\u5408\u5e03\u6599\u7684\u7535\u78c1\u5c4f\u853d\u673a\u5236\u4e3b\u8981\u4f9d\u8d56\u4e8e\u7535\u78c1\u6ce2\u7684\u53cd\u5c04\u635f\u8017\uff08R\uff09\u548c\u5438\u6536\u635f\u8017\uff08A\uff09\u3002\u7531\u4e8ePTFE\u6750\u6599\u672c\u8eab\u5177\u6709\u8f83\u4f4e\u7684\u4ecb\u7535\u5e38\u6570\uff08\u03b5 \u2248 2.1\uff09\uff0c\u5176\u5bf9\u7535\u78c1\u6ce2\u7684\u5438\u6536\u80fd\u529b\u8f83\u5f31\uff0c\u800c\u4e3b\u8981\u4f9d\u9760\u8868\u9762\u53cd\u5c04\u5b9e\u73b0\u5c4f\u853d\u3002\u7136\u800c\uff0c\u5f53\u6750\u6599\u539a\u5ea6\u589e\u52a0\u65f6\uff0c\u7535\u78c1\u6ce2\u5728\u6750\u6599\u5185\u90e8\u591a\u6b21\u53cd\u5c04\uff0c\u63d0\u9ad8\u4e86\u603b\u5c4f\u853d\u6548\u80fd\u3002\u56e0\u6b64\uff0c\u5bf9\u4e8e\u9ad8\u9891\u5e94\u7528\uff0c\u5e94\u8003\u8651\u4f18\u5316\u6750\u6599\u539a\u5ea6\uff0c\u4ee5\u5e73\u8861\u5c4f\u853d\u6027\u80fd\u4e0e\u8f7b\u91cf\u5316\u9700\u6c42\u3002 <\/p>\n

\u7efc\u4e0a\u6240\u8ff0\uff0cPTFE\u819c\u590d\u5408\u5e03\u6599\u7684\u7535\u78c1\u5c4f\u853d\u6548\u80fd\u53d7\u9891\u7387\u548c\u6750\u6599\u539a\u5ea6\u7684\u5171\u540c\u5f71\u54cd\u3002\u5728\u4f4e\u9891\u6bb5\uff08<1 GHz\uff09\uff0c\u5176\u5c4f\u853d\u6548\u80fd\u8f83\u9ad8\uff0c\u800c\u5728\u9ad8\u9891\u6bb5\uff08>10 GHz\uff09\u5219\u6709\u6240\u4e0b\u964d\u3002\u589e\u52a0\u6750\u6599\u539a\u5ea6\u53ef\u6709\u6548\u63d0\u5347\u5c4f\u853d\u6027\u80fd\uff0c\u4f46\u540c\u65f6\u4e5f\u589e\u52a0\u4e86\u6750\u6599\u6210\u672c\u548c\u91cd\u91cf\u3002\u56e0\u6b64\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9700\u6839\u636e\u5177\u4f53\u7535\u78c1\u5e72\u6270\u73af\u5883\u9009\u62e9\u5408\u9002\u7684\u6750\u6599\u539a\u5ea6\uff0c\u4ee5\u5b9e\u73b0\u6700\u4f73\u7684\u7535\u78c1\u5c4f\u853d\u6548\u679c\u3002<\/p>\n

PTFE\u819c\u590d\u5408\u5e03\u6599\u4e0e\u5176\u4ed6\u7535\u78c1\u5c4f\u853d\u6750\u6599\u7684\u6027\u80fd\u6bd4\u8f83<\/h3>\n

\u4e3a\u4e86\u5168\u9762\u8bc4\u4f30\u805a\u56db\u6c1f\u4e59\u70ef\uff08PTFE\uff09\u819c\u590d\u5408\u5e03\u6599\u5728\u7535\u78c1\u5c4f\u853d\u9886\u57df\u7684\u9002\u7528\u6027\uff0c\u6709\u5fc5\u8981\u5c06\u5176\u6027\u80fd\u4e0e\u5f53\u524d\u4e3b\u6d41\u5c4f\u853d\u6750\u6599\u8fdb\u884c\u5bf9\u6bd4\u5206\u6790\u3002\u76ee\u524d\u5e38\u7528\u7684\u7535\u78c1\u5c4f\u853d\u6750\u6599\u5305\u62ec\u91d1\u5c5e\u7b94\u3001\u5bfc\u7535\u6d82\u5c42\u7ec7\u7269\u548c\u586b\u5145\u578b\u805a\u5408\u7269\u7b49\uff0c\u6bcf\u79cd\u6750\u6599\u5728\u5c4f\u853d\u6548\u80fd\u3001\u673a\u68b0\u6027\u80fd\u3001\u73af\u5883\u9002\u5e94\u6027\u7b49\u65b9\u9762\u5404\u6709\u4f18\u52a3\u3002\u4ee5\u4e0b\u5c06\u57fa\u4e8e\u6587\u732e\u6570\u636e\uff0c\u4ece\u591a\u4e2a\u7ef4\u5ea6\u5bf9PTFE\u819c\u590d\u5408\u5e03\u6599\u4e0e\u8fd9\u4e9b\u6750\u6599\u8fdb\u884c\u6bd4\u8f83\u3002 <\/p>\n

\u5c4f\u853d\u6548\u80fd\u5bf9\u6bd4<\/h4>\n

\u7535\u78c1\u5c4f\u853d\u6548\u80fd\uff08SE\uff09\u662f\u8861\u91cf\u6750\u6599\u5c4f\u853d\u6027\u80fd\u7684\u6838\u5fc3\u6307\u6807\u3002\u7814\u7a76\u8868\u660e\uff0c\u94dc\u7b94\u57281 GHz\u81f310 GHz\u9891\u6bb5\u7684\u5c4f\u853d\u6548\u80fd\u53ef\u8fbe60\u201380 dB\uff0c\u660e\u663e\u9ad8\u4e8ePTFE\u819c\u590d\u5408\u5e03\u6599\uff0815\u201330 dB\uff09\u3002\u7136\u800c\uff0c\u94dc\u7b94\u5c5e\u4e8e\u91d1\u5c5e\u6750\u6599\uff0c\u5728\u6f6e\u6e7f\u6216\u9178\u78b1\u73af\u5883\u4e2d\u5bb9\u6613\u6c27\u5316\uff0c\u5bfc\u81f4\u5c4f\u853d\u6027\u80fd\u4e0b\u964d\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cPTFE\u819c\u590d\u5408\u5e03\u6599\u867d\u5c4f\u853d\u6548\u80fd\u8f83\u4f4e\uff0c\u4f46\u5177\u6709\u4f18\u5f02\u7684\u8010\u8150\u8680\u6027\uff0c\u9002\u7528\u4e8e\u6076\u52a3\u73af\u5883\u4e0b\u7684\u957f\u671f\u4f7f\u7528\u3002 <\/p>\n

\u5bfc\u7535\u6d82\u5c42\u7ec7\u7269\uff08\u5982\u9540\u94f6\u6da4\u7eb6\u7ec7\u7269\uff09\u7684\u5c4f\u853d\u6548\u80fd\u901a\u5e38\u572830\u201360 dB\u4e4b\u95f4\uff0c\u7565\u4f18\u4e8ePTFE\u819c\u590d\u5408\u5e03\u6599\uff0c\u4f46\u5728\u5f2f\u66f2\u6216\u62c9\u4f38\u72b6\u6001\u4e0b\uff0c\u5176\u5bfc\u7535\u5c42\u5bb9\u6613\u7834\u88c2\uff0c\u4ece\u800c\u964d\u4f4e\u5c4f\u853d\u6027\u80fd\u3002\u800cPTFE\u819c\u590d\u5408\u5e03\u6599\u56e0\u5177\u6709\u8f83\u5f3a\u7684\u673a\u68b0\u7a33\u5b9a\u6027\uff0c\u5728\u52a8\u6001\u8d1f\u8f7d\u6761\u4ef6\u4e0b\u4ecd\u80fd\u4fdd\u6301\u76f8\u5bf9\u7a33\u5b9a\u7684\u5c4f\u853d\u6548\u679c\u3002 <\/p>\n

\u586b\u5145\u578b\u805a\u5408\u7269\uff08\u5982\u78b3\u7eb3\u7c73\u7ba1\/\u805a\u6c28\u916f\u590d\u5408\u6750\u6599\uff09\u7684\u5c4f\u853d\u6548\u80fd\u7ea6\u4e3a20\u201350 dB\uff0c\u4e0ePTFE\u819c\u590d\u5408\u5e03\u6599\u76f8\u8fd1\uff0c\u4f46\u5176\u52a0\u5de5\u96be\u5ea6\u8f83\u9ad8\uff0c\u4e14\u5728\u9ad8\u6e29\u73af\u5883\u4e0b\u53ef\u80fd\u51fa\u73b0\u6750\u6599\u964d\u89e3\u3002\u76f8\u8f83\u4e4b\u4e0b\uff0cPTFE\u819c\u590d\u5408\u5e03\u6599\u5177\u6709\u66f4\u9ad8\u7684\u8010\u6e29\u6027\uff08-200\u2103\u81f3260\u2103\uff09\uff0c\u66f4\u9002\u5408\u9ad8\u6e29\u73af\u5883\u4e0b\u7684\u7535\u78c1\u5c4f\u853d\u5e94\u7528\u3002 <\/p>\n

\u6750\u6599\u7279\u6027\u4e0e\u9002\u7528\u6027\u5206\u6790<\/h4>\n

\u9664\u5c4f\u853d\u6548\u80fd\u5916\uff0c\u6750\u6599\u7684\u673a\u68b0\u6027\u80fd\u3001\u8010\u5019\u6027\u548c\u53ef\u52a0\u5de5\u6027\u4e5f\u662f\u91cd\u8981\u7684\u8003\u91cf\u56e0\u7d20\u3002\u88682\u603b\u7ed3\u4e86\u51e0\u7c7b\u5e38\u89c1\u7535\u78c1\u5c4f\u853d\u6750\u6599\u7684\u4e3b\u8981\u6027\u80fd\u53c2\u6570\u3002 <\/p>\n\n\n\n\n\n\n\n\n
\u6750\u6599\u7c7b\u578b<\/th>\n\u5bc6\u5ea6 (g\/cm\u00b3)<\/th>\n\u67d4\u97e7\u6027<\/th>\n\u8010\u8150\u8680\u6027<\/th>\n\u8010\u6e29\u6027 (\u2103)<\/th>\n\u5178\u578b\u5c4f\u853d\u6548\u80fd (dB)<\/th>\n<\/tr>\n<\/thead>\n
\u94dc\u7b94<\/td>\n8.9<\/td>\n\u5dee<\/td>\n\u4e2d<\/td>\n-50~150<\/td>\n60\u201380<\/td>\n<\/tr>\n
\u9540\u94f6\u6da4\u7eb6\u7ec7\u7269<\/td>\n1.4<\/td>\n\u597d<\/td>\n\u5dee<\/td>\n-20~100<\/td>\n30\u201360<\/td>\n<\/tr>\n
\u78b3\u7eb3\u7c73\u7ba1\/\u805a\u6c28\u916f\u590d\u5408\u6750\u6599<\/td>\n1.2<\/td>\n\u597d<\/td>\n\u4e2d<\/td>\n-30~150<\/td>\n20\u201350<\/td>\n<\/tr>\n
PTFE\u819c\u590d\u5408\u5e03\u6599<\/td>\n1.1<\/td>\n\u6781\u4f73<\/td>\n\u6781\u4f73<\/td>\n-200~260<\/td>\n15\u201330<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u4ece\u88682\u53ef\u89c1\uff0cPTFE\u819c\u590d\u5408\u5e03\u6599\u5728\u5bc6\u5ea6\u548c\u8010\u6e29\u6027\u65b9\u9762\u5177\u6709\u663e\u8457\u4f18\u52bf\uff0c\u5176\u5bc6\u5ea6\u4ec5\u4e3a1.1 g\/cm\u00b3\uff0c\u8fdc\u4f4e\u4e8e\u91d1\u5c5e\u7b94\u6750\u6599\uff0c\u4f7f\u5176\u5728\u822a\u7a7a\u3001\u822a\u5929\u7b49\u5bf9\u91cd\u91cf\u654f\u611f\u7684\u5e94\u7528\u4e2d\u66f4\u5177\u7ade\u4e89\u529b\u3002\u6b64\u5916\uff0cPTFE\u819c\u590d\u5408\u5e03\u6599\u7684\u8010\u8150\u8680\u6027\u4f18\u4e8e\u5927\u591a\u6570\u5bfc\u7535\u7ec7\u7269\u548c\u586b\u5145\u578b\u805a\u5408\u7269\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u6d77\u6d0b\u3001\u5316\u5de5\u7b49\u9ad8\u8150\u8680\u6027\u73af\u5883\u3002\u7136\u800c\uff0c\u5176\u5c4f\u853d\u6548\u80fd\u76f8\u8f83\u4e8e\u91d1\u5c5e\u7b94\u548c\u5bfc\u7535\u6d82\u5c42\u7ec7\u7269\u4ecd\u6709\u5dee\u8ddd\uff0c\u56e0\u6b64\u5728\u9ad8\u8981\u6c42\u7684\u5c4f\u853d\u573a\u5408\uff0c\u53ef\u80fd\u9700\u8981\u7ed3\u5408\u5176\u4ed6\u6750\u6599\u6216\u4f18\u5316\u7ed3\u6784\u8bbe\u8ba1\u4ee5\u63d0\u9ad8\u6574\u4f53\u5c4f\u853d\u6027\u80fd\u3002 <\/p>\n

\u7efc\u5408\u6765\u770b\uff0cPTFE\u819c\u590d\u5408\u5e03\u6599\u5728\u7535\u78c1\u5c4f\u853d\u6750\u6599\u4e2d\u5177\u6709\u72ec\u7279\u7684\u6027\u80fd\u7279\u70b9\u3002\u5c3d\u7ba1\u5176\u5c4f\u853d\u6548\u80fd\u4e0d\u5982\u91d1\u5c5e\u7b94\u6216\u9540\u94f6\u7ec7\u7269\uff0c\u4f46\u5176\u4f18\u5f02\u7684\u8010\u8150\u8680\u6027\u3001\u8010\u9ad8\u6e29\u6027\u53ca\u8f7b\u91cf\u5316\u7279\u6027\uff0c\u4f7f\u5176\u5728\u7279\u5b9a\u5e94\u7528\u573a\u666f\u4e2d\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f18\u52bf\u3002\u56e0\u6b64\uff0c\u5728\u9009\u62e9\u7535\u78c1\u5c4f\u853d\u6750\u6599\u65f6\uff0c\u5e94\u6839\u636e\u5177\u4f53\u5e94\u7528\u9700\u6c42\u6743\u8861\u5404\u9879\u6027\u80fd\u6307\u6807\uff0c\u4ee5\u5b9e\u73b0\u6700\u4f73\u7684\u5de5\u7a0b\u5e94\u7528\u6548\u679c\u3002<\/p>\n

\u5f71\u54cdPTFE\u819c\u590d\u5408\u5e03\u6599\u7535\u78c1\u5c4f\u853d\u6548\u80fd\u7684\u56e0\u7d20<\/h3>\n

\u805a\u56db\u6c1f\u4e59\u70ef\uff08PTFE\uff09\u819c\u590d\u5408\u5e03\u6599\u7684\u7535\u78c1\u5c4f\u853d\u6548\u80fd\uff08SE\uff09\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5176\u4e2d\u6750\u6599\u539a\u5ea6\u3001\u7535\u78c1\u6ce2\u9891\u7387\u3001\u7ec7\u7269\u57fa\u6750\u7c7b\u578b\u53ca\u590d\u5408\u5de5\u827a\u5c24\u4e3a\u5173\u952e\u3002\u6df1\u5165\u7406\u89e3\u8fd9\u4e9b\u56e0\u7d20\u7684\u4f5c\u7528\u673a\u5236\uff0c\u6709\u52a9\u4e8e\u4f18\u5316\u6750\u6599\u8bbe\u8ba1\uff0c\u63d0\u9ad8\u5176\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u5c4f\u853d\u6027\u80fd\u3002 <\/p>\n

\u6750\u6599\u539a\u5ea6\u7684\u5f71\u54cd<\/h4>\n

PTFE\u819c\u590d\u5408\u5e03\u6599\u7684\u539a\u5ea6\u76f4\u63a5\u5f71\u54cd\u7535\u78c1\u6ce2\u5728\u5176\u5185\u90e8\u7684\u4f20\u64ad\u8def\u5f84\u53ca\u80fd\u91cf\u8870\u51cf\u7a0b\u5ea6\u3002\u7814\u7a76\u8868\u660e\uff0c\u968f\u7740\u6750\u6599\u539a\u5ea6\u7684\u589e\u52a0\uff0c\u7535\u78c1\u6ce2\u5728\u6750\u6599\u5185\u90e8\u7ecf\u5386\u66f4\u591a\u7684\u53cd\u5c04\u548c\u6563\u5c04\u8fc7\u7a0b\uff0c\u4ece\u800c\u589e\u5f3a\u5c4f\u853d\u6548\u679c\u3002\u4f8b\u5982\uff0c\u4e00\u9879\u9488\u5bf9PTFE\u590d\u5408\u6750\u6599\u7684\u7814\u7a76\u663e\u793a\uff0c\u57281 GHz\u9891\u7387\u4e0b\uff0c0.1 mm\u539a\u6837\u54c1\u7684\u5c4f\u853d\u6548\u80fd\u4e3a15.3 dB\uff0c\u800c0.3 mm\u539a\u6837\u54c1\u7684\u5c4f\u853d\u6548\u80fd\u63d0\u9ad8\u81f328.4 dB\uff0c\u589e\u5e45\u8fbe85.6%\u3002\u8fd9\u4e00\u8d8b\u52bf\u8868\u660e\uff0c\u589e\u52a0\u6750\u6599\u539a\u5ea6\u80fd\u591f\u6709\u6548\u63d0\u5347\u7535\u78c1\u6ce2\u7684\u8870\u51cf\u80fd\u529b\u3002\u7136\u800c\uff0c\u8fc7\u539a\u7684\u6750\u6599\u4f1a\u589e\u52a0\u91cd\u91cf\u548c\u6210\u672c\uff0c\u56e0\u6b64\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u9700\u5728\u5c4f\u853d\u6548\u80fd\u4e0e\u8f7b\u91cf\u5316\u4e4b\u95f4\u5bfb\u6c42\u5e73\u8861\u3002 <\/p>\n

\u7535\u78c1\u6ce2\u9891\u7387\u7684\u5f71\u54cd<\/h4>\n

\u7535\u78c1\u6ce2\u9891\u7387\u5bf9PTFE\u819c\u590d\u5408\u5e03\u6599\u7684\u5c4f\u853d\u6548\u80fd\u5177\u6709\u663e\u8457\u5f71\u54cd\u3002\u7531\u4e8ePTFE\u6750\u6599\u7684\u4ecb\u7535\u5e38\u6570\u8f83\u4f4e\uff08\u03b5 \u2248 2.1\uff09\uff0c\u5176\u5bf9\u7535\u78c1\u6ce2\u7684\u5438\u6536\u80fd\u529b\u6709\u9650\uff0c\u4e3b\u8981\u4f9d\u9760\u8868\u9762\u53cd\u5c04\u5b9e\u73b0\u5c4f\u853d\u3002\u5728\u4f4e\u9891\u6bb5\uff08<1 GHz\uff09\uff0c\u7535\u78c1\u6ce2\u7684\u6ce2\u957f\u8f83\u957f\uff0c\u66f4\u5bb9\u6613\u88ab\u6750\u6599\u8868\u9762\u53cd\u5c04\uff0c\u56e0\u6b64\u5c4f\u853d\u6548\u80fd\u8f83\u9ad8\u3002\u7136\u800c\uff0c\u968f\u7740\u9891\u7387\u5347\u9ad8\uff08>10 GHz\uff09\uff0c\u7535\u78c1\u6ce2\u7684\u7a7f\u900f\u80fd\u529b\u589e\u5f3a\uff0c\u5bfc\u81f4\u5c4f\u853d\u6548\u80fd\u4e0b\u964d\u3002\u4f8b\u5982\uff0c\u572840 GHz\u9891\u7387\u4e0b\uff0c0.3 mm\u539aPTFE\u819c\u590d\u5408\u5e03\u6599\u7684\u5c4f\u853d\u6548\u80fd\u4ec5\u4e3a19.6 dB\uff0c\u8fdc\u4f4e\u4e8e\u5176\u57281 GHz\u65f6\u768428.4 dB\u3002\u56e0\u6b64\uff0c\u5728\u9ad8\u9891\u5e94\u7528\u4e2d\uff0c\u9700\u8981\u4f18\u5316\u6750\u6599\u7ed3\u6784\u6216\u7ed3\u5408\u5176\u4ed6\u5c4f\u853d\u673a\u5236\uff08\u5982\u591a\u5c42\u590d\u5408\u3001\u5bfc\u7535\u586b\u6599\u6dfb\u52a0\u7b49\uff09\u4ee5\u63d0\u9ad8\u5c4f\u853d\u6027\u80fd\u3002 <\/p>\n

\u7ec7\u7269\u57fa\u6750\u7c7b\u578b\u7684\u5f71\u54cd<\/h4>\n

\u7ec7\u7269\u57fa\u6750\u7684\u79cd\u7c7b\u5bf9PTFE\u819c\u590d\u5408\u5e03\u6599\u7684\u7535\u78c1\u5c4f\u853d\u6548\u80fd\u4ea6\u6709\u91cd\u8981\u5f71\u54cd\u3002\u4e0d\u540c\u7c7b\u578b\u7684\u7ec7\u7269\u57fa\u6750\u5177\u6709\u4e0d\u540c\u7684\u5bfc\u7535\u6027\u3001\u4ecb\u7535\u6027\u80fd\u53ca\u673a\u68b0\u5f3a\u5ea6\uff0c\u8fdb\u800c\u5f71\u54cd\u7535\u78c1\u6ce2\u7684\u53cd\u5c04\u4e0e\u5438\u6536\u884c\u4e3a\u3002\u4f8b\u5982\uff0c\u805a\u916f\u7ea4\u7ef4\uff08PET\uff09\u57faPTFE\u590d\u5408\u5e03\u6599\u57281 GHz\u9891\u7387\u4e0b\u7684\u5c4f\u853d\u6548\u80fd\u7ea6\u4e3a25.7 dB\uff0c\u800c\u73bb\u7483\u7ea4\u7ef4\u57faPTFE\u590d\u5408\u5e03\u6599\u7684\u5c4f\u853d\u6548\u80fd\u53ef\u8fbe28.4 dB\u3002\u8fd9\u662f\u56e0\u4e3a\u73bb\u7483\u7ea4\u7ef4\u5177\u6709\u66f4\u4f4e\u7684\u4ecb\u7535\u635f\u8017\uff0c\u6709\u52a9\u4e8e\u51cf\u5c11\u7535\u78c1\u6ce2\u5728\u6750\u6599\u5185\u90e8\u7684\u4f20\u64ad\u635f\u8017\u3002\u6b64\u5916\uff0c\u67d0\u4e9b\u9ad8\u5bfc\u7535\u6027\u7ec7\u7269\uff08\u5982\u9540\u94f6\u7ea4\u7ef4\uff09\u53ef\u7528\u4e8e\u5236\u5907PTFE\u590d\u5408\u6750\u6599\uff0c\u4ee5\u8fdb\u4e00\u6b65\u63d0\u5347\u5176\u5c4f\u853d\u6027\u80fd\u3002\u7136\u800c\uff0c\u8fd9\u7c7b\u6750\u6599\u7684\u6210\u672c\u8f83\u9ad8\uff0c\u56e0\u6b64\u5728\u9009\u62e9\u7ec7\u7269\u57fa\u6750\u65f6\u9700\u7efc\u5408\u8003\u8651\u6027\u80fd\u4e0e\u7ecf\u6d4e\u6027\u3002 <\/p>\n

\u590d\u5408\u5de5\u827a\u7684\u5f71\u54cd<\/h4>\n

PTFE\u819c\u4e0e\u7ec7\u7269\u57fa\u6750\u7684\u590d\u5408\u65b9\u5f0f\u76f4\u63a5\u5f71\u54cd\u4e24\u8005\u7684\u7ed3\u5408\u5f3a\u5ea6\u53ca\u7535\u78c1\u6ce2\u7684\u4f20\u64ad\u8def\u5f84\u3002\u5e38\u89c1\u7684\u590d\u5408\u5de5\u827a\u5305\u62ec\u70ed\u538b\u590d\u5408\u548c\u6d82\u8986\u590d\u5408\uff0c\u5176\u4e2d\u70ed\u538b\u590d\u5408\u5229\u7528\u9ad8\u6e29\u9ad8\u538b\u4f7fPTFE\u8584\u819c\u4e0e\u7ec7\u7269\u57fa\u6750\u7d27\u5bc6\u7ed3\u5408\uff0c\u800c\u6d82\u8986\u590d\u5408\u5219\u91c7\u7528\u7c98\u5408\u5242\u5c06PTFE\u8584\u819c\u56fa\u5b9a\u4e8e\u7ec7\u7269\u8868\u9762\u3002\u7814\u7a76\u8868\u660e\uff0c\u70ed\u538b\u590d\u5408\u5de5\u827a\u80fd\u591f\u63d0\u9ad8\u6750\u6599\u7684\u81f4\u5bc6\u6027\uff0c\u51cf\u5c11\u7535\u78c1\u6ce2\u5728\u754c\u9762\u5904\u7684\u6563\u5c04\u635f\u5931\uff0c\u4ece\u800c\u63d0\u5347\u5c4f\u853d\u6548\u80fd\u3002\u4f8b\u5982\uff0c\u91c7\u7528\u70ed\u538b\u590d\u5408\u5de5\u827a\u5236\u5907\u7684PTFE\u590d\u5408\u5e03\u6599\u57281 GHz\u9891\u7387\u4e0b\u7684\u5c4f\u853d\u6548\u80fd\u6bd4\u6d82\u8986\u590d\u5408\u5de5\u827a\u5236\u5907\u7684\u6837\u54c1\u9ad8\u51fa\u7ea63\u20135 dB\u3002\u6b64\u5916\uff0c\u590d\u5408\u8fc7\u7a0b\u4e2d\u82e5\u5f15\u5165\u5bfc\u7535\u586b\u6599\uff08\u5982\u78b3\u7eb3\u7c73\u7ba1\u6216\u91d1\u5c5e\u9897\u7c92\uff09\uff0c\u8fd8\u53ef\u8fdb\u4e00\u6b65\u589e\u5f3a\u6750\u6599\u7684\u7535\u78c1\u6ce2\u5438\u6536\u80fd\u529b\uff0c\u63d0\u9ad8\u6574\u4f53\u5c4f\u853d\u6027\u80fd\u3002 <\/p>\n

\u7efc\u4e0a\u6240\u8ff0\uff0cPTFE\u819c\u590d\u5408\u5e03\u6599\u7684\u7535\u78c1\u5c4f\u853d\u6548\u80fd\u53d7\u6750\u6599\u539a\u5ea6\u3001\u7535\u78c1\u6ce2\u9891\u7387\u3001\u7ec7\u7269\u57fa\u6750\u7c7b\u578b\u53ca\u590d\u5408\u5de5\u827a\u7b49\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\u3002\u5408\u7406\u4f18\u5316\u8fd9\u4e9b\u53c2\u6570\uff0c\u6709\u52a9\u4e8e\u63d0\u5347\u6750\u6599\u7684\u5c4f\u853d\u6027\u80fd\uff0c\u5e76\u6ee1\u8db3\u4e0d\u540c\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42\u3002<\/p>\n

\u53c2\u8003\u6587\u732e<\/h3>\n
    \n
  1. \u5f20\u4f1f, \u674e\u660e, \u738b\u5f3a. "\u805a\u56db\u6c1f\u4e59\u70ef\u590d\u5408\u6750\u6599\u7684\u7535\u78c1\u5c4f\u853d\u6027\u80fd\u7814\u7a76." \u6750\u6599\u79d1\u5b66\u4e0e\u5de5\u7a0b\u5b66\u62a5<\/em>, vol. 35, no. 2, 2017, pp. 213\u2013218. <\/li>\n
  2. Wang, X., et al. "Electromagnetic shielding properties of PTFE-based composites: A review." Journal of Materials Science & Technology<\/em>, vol. 35, no. 4, 2019, pp. 543\u2013552. <\/li>\n
  3. Liu, Y., and H. Chen. "Effect of fabric substrate on the electromagnetic interference shielding effectiveness of PTFE-coated textiles." Textile Research Journal<\/em>, vol. 89, no. 12, 2019, pp. 2345\u20132354. <\/li>\n
  4. Zhao, J., et al. "Thermal compression bonding of PTFE films for enhanced electromagnetic shielding applications." Materials & Design<\/em>, vol. 182, 2019, p. 108045. <\/li>\n
  5. Kim, S. W., and T. Ito. "Frequency-dependent electromagnetic shielding behavior of polymer composites: Mechanisms and modeling." IEEE Transactions on Electromagnetic Compatibility<\/em>, vol. 62, no. 3, 2020, pp. 789\u2013797. <\/li>\n
  6. \u767e\u5ea6\u767e\u79d1. "\u7535\u78c1\u5c4f\u853d." https:\/\/baike.baidu.com\/item\/%E7%94%B5%E7%A3%81%E5%B1%8F%E8%94%BD<\/a>, \u8bbf\u95ee\u65e5\u671f: 2023\u5e7410\u6708. <\/li>\n
  7. ASTM D4935-18. "Standard Test Method for Measuring the Electromagnetic Shielding Effectiveness of Planar Materials." American Society for Testing and Materials, 2018. <\/li>\n
  8. IEC 61000-4-21. "Electromagnetic Compatibility (EMC) \u2013 Part 4-21: Testing and Measurement Techniques \u2013 Reverberation Chamber Test Methods." International Electrotechnical Commission, 2017.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

    \u805a\u56db\u6c1f\u4e59\u70ef\u819c\u590d\u5408\u5e03\u6599\u7684\u6982\u8ff0\u53ca\u5176\u5728\u7535\u78c1\u5c4f\u853d\u4e2d\u7684\u5e94\u7528 \u805a\u56db\u6c1f\u4e59\u70ef\uff08PTFE\uff09\u662f\u4e00\u79cd\u5177\u6709\u4f18\u5f02\u5316\u5b66\u7a33\u5b9a\u6027\u548c\u8010\u9ad8\u6e29\u6027\u80fd\u7684\u5408\u6210\u9ad8\u5206\u5b50\u6750\u6599\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u822a\u7a7a\u822a\u5929\u3001\u7535\u5b50\u7535\u6c14\u53ca\u533b\u7597\u7b49\u9886\u57df\u3002\u5176\u72ec\u7279\u7684\u5206\u5b50\u7ed3\u6784\u4f7f\u5176\u5177\u6709\u6781\u4f4e\u7684\u6469\u64e6\u7cfb\u6570\u548c\u826f\u597d\u7684\u7edd\u7f18\u6027\u80fd\uff0c\u8fd9\u4e3a\u5f00\u53d1\u9ad8\u6027\u80fd\u529f\u80fd\u6750\u6599\u63d0\u4f9b\u4e86\u57fa\u7840\u3002\u8fd1\u5e74\u6765\uff0c\u968f\u7740\u7535\u78c1\u5e72\u6270\u95ee\u9898\u65e5\u76ca\u7a81\u51fa\uff0cPTFE\u819c\u590d\u5408\u5e03\u6599\u4f5c\u4e3a\u4e00\u79cd\u65b0\u578b\u7535\u78c1\u5c4f\u853d\u6750\u6599\u9010\u6e10\u53d7\u5230\u5173\u6ce8\u3002\u901a\u8fc7\u5c06PTF…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-14973","post","type-post","status-publish","format-standard","hentry","category-zwml"],"_links":{"self":[{"href":"https:\/\/www.textile-fabric.com\/index.php?rest_route=\/wp\/v2\/posts\/14973","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.textile-fabric.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.textile-fabric.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.textile-fabric.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.textile-fabric.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=14973"}],"version-history":[{"count":0,"href":"https:\/\/www.textile-fabric.com\/index.php?rest_route=\/wp\/v2\/posts\/14973\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.textile-fabric.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14973"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.textile-fabric.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14973"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.textile-fabric.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14973"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}