{"id":230,"date":"2025-12-26T14:57:29","date_gmt":"2025-12-26T06:57:29","guid":{"rendered":"https:\/\/www.bihec.com\/precisionacousticsltdpa\/?p=230"},"modified":"2026-03-10T17:31:38","modified_gmt":"2026-03-10T09:31:38","slug":"%e8%8b%b1%e5%9b%bdprecisionacoustics%e6%b0%b4%e5%90%ac%e5%99%a8-pa%e9%92%88%e5%bc%8f%e6%b0%b4%e5%90%ac%e5%99%a8-0-04%e6%af%ab%e7%b1%b3%e9%92%88%e5%bc%8f%e6%b0%b4%e5%90%ac%e5%99%a8-pvdf%e9%92%88","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/precisionacousticsltdpa\/%e8%8b%b1%e5%9b%bdprecisionacoustics%e6%b0%b4%e5%90%ac%e5%99%a8-pa%e9%92%88%e5%bc%8f%e6%b0%b4%e5%90%ac%e5%99%a8-0-04%e6%af%ab%e7%b1%b3%e9%92%88%e5%bc%8f%e6%b0%b4%e5%90%ac%e5%99%a8-pvdf%e9%92%88\/","title":{"rendered":"\u82f1\u56fdPrecisionAcoustics\u6c34\u542c\u5668 pa\u9488\u5f0f\u6c34\u542c\u5668 0.04-0.5\u6beb\u7c73\u9488\u5f0f\u6c34\u542c\u5668 PVdF\u9488\u5f0f\u6c34\u542c\u5668\u63a2\u5934 pa\u6c34\u542c\u5668 \u524d\u7f6e\u653e\u5927\u5668 \u76f4\u6d41\u8026\u5408\u5668 \u538b\u7535\u6750\u6599"},"content":{"rendered":"

\u9488\u5f0f\u6c34\u542c\u5668<\/a>\u7cfb\u5217<\/h1>\n
\u6211\u4eec\u7684\u9ad8\u6027\u80fd\u9488\u5f0f\u6c34\u542c\u5668\u7cfb\u7edf\u7531\u4e00\u7cfb\u5217\u53ef\u66f4\u6362\u7684 PVdF\u9488\u5f0f\u6c34\u542c\u5668\u63a2\u5934<\/a>\u3001\u4e00\u4e2a\u6f5c\u6c34\u5f0f\u5bbd\u5e26\u653e\u5927\u5668\u548c\u4e00\u4e2a \u76f4\u6d41\u8026\u5408\u5668<\/a>\u7ec4\u6210\u3002<\/p>\n
\u9488\u63a2\u9488\u76f4\u5f84\u8303\u56f4\u4ece0.04\u6beb\u7c73\u52304\u6beb\u7c73\uff0c\u8584\u819c\u539a\u5ea6\u4ece9\u5fae\u7c73\u523028\u5fae\u7c73\u4e0d\u7b49\u3002\u6c34\u542c\u5668\u6709\u5b9a\u5236\u7248\u672c\uff0c\u5982\u76f4\u89d2\u6216\u4fa7\u5411\u7248\u672c\u3002\u5982\u6709\u4efb\u4f55\u7279\u6b8a\u9700\u6c42\uff0c\u8bf7\u8054\u7cfb\u6211\u4eec\u8ba8\u8bba\u3002<\/p>\n
\u6240\u6709\u7cfb\u7edf\u90fd\u9700\u8981 \u6f5c\u6c34\u5f0f\u524d\u7f6e\u653e\u5927\u5668<\/a>\u548c\u76f4\u6d41\u8026\u5408\u5668\u3002<\/p>\n
\n
\n
0.04\u6beb\u7c73\u9488\u5f0f\u6c34\u542c\u5668\uff0840\u5fae\u7c73\uff09<\/h1>\n<\/div>\n<\/div>\n
\n
\n
\u63a8\u8350\u7528\u4e8e\u6d4b\u91cf40 MHz\u4ee5\u4e0a\u7684\u9ad8\u538b\u573a\u3002<\/p>\n
\u6240\u6709\u5c3a\u5bf8\u5747\u4ee5\u6beb\u7c73\u4e3a\u5355\u4f4d\u3002\u6240\u6709\u63a2\u5934\u90fd\u662f\u624b\u5de5\u5236\u4f5c\u7684\uff0c\u56e0\u6b64\u6bcf\u4e2a\u8bbe\u5907\u4e4b\u95f4\u603b\u4f1a\u6709\u4e00\u5b9a\u5dee\u5f02\u3002<\/p>\n
\u5982\u679c\u5b9e\u9645\u5c3a\u5bf8\u5bf9\u60a8\u7684\u5de5\u4f5c\u81f3\u5173\u91cd\u8981\uff0c\u8bf7\u8054\u7cfb\u6211\u4eec\u3002<\/p>\n
$\"75\u5fae\u7c73\u63a2\u5934\"$ <\/p>\n
\n
\n
\u6280\u672f\u89c4\u683c<\/h1>\n<\/div>\n<\/div>\n
\n
\n\n\n\n\n\n\n\n\n
\u8f93\u51fa\u963b\u6297\uff1a<\/td>\n 14\u00b12\u82f1\u5c3a\u6bcf\u5e73\u65b9\u82f1\u5c3a<\/td>\n<\/tr>\n
\u5178\u578b\u63a2\u9488\u7075\u654f\u5ea6\uff1a<\/td>\n \u5728\u6b63\u786e\u7ec8\u7aef\u7684HP1\u6f5c\u7528\u524d\u7f6e\u653e\u5927\u5668<\/a>\u8f93\u51fa\u7aef\u6d4b\u91cf\u65f6\uff0c\u5e73\u5747\u503c\u4e3a6 nV\/Pa\uff08\u76f8\u5f53\u4e8e-284.4 dB re re 1 V\/uPa\uff09<\/td>\n<\/tr>\n
\u654f\u611f\u5ea6\u8010\u53d7\u6027\uff1a<\/td>\n \u5355\u4e2a\u63a2\u5934\u4e4b\u95f4\u7684\u7075\u654f\u5ea6\u53d8\u5316\u7ea6\u4e3a\u00b13 dB<\/td>\n<\/tr>\n
\u5178\u578b\u9891\u7387\u54cd\u5e94\uff1a<\/td>\n \u5e73\u5766\uff08\u00b12 dB\uff09\uff1a5 MHz \u81f3 15 MHz
\n\u5e73\u5766\uff08\u00b14 dB\uff09\uff1a1 MHz \u81f3 >30 MHz
\n\u6700\u5c0f\u6821\u51c6\u9891\u7387 1 MHz<\/td>\n<\/tr>\n
\u4f20\u611f\u5668\u6750\u6599\uff1a<\/td>\n 9\u5fae\u7c73\u539a\u7684\u9540\u91d1\u7535\u9540\u805a\u4e8c\u4e8c\u6c1f\u4e59\u70ef\uff08PVdF\uff09\u8584\u819c<\/td>\n<\/tr>\n
\u4f20\u611f\u5668\u5c3a\u5bf8\uff1a<\/td>\n \u76f4\u5f840.04\u6beb\u7c73\u7684\u5706\u76d8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
* Precision Acoustics \u4fdd\u7559\u5728\u4e0d\u53e6\u884c\u901a\u77e5\u7684\u60c5\u51b5\u4e0b\u66f4\u6539\u89c4\u683c\u7684\u6743\u5229\u3002<\/em><\/p>\n
\n
\n
0.075\u6beb\u7c73\u9488\u5f0f\u6c34\u542c\u5668\uff0875\u5fae\u7c73\uff09<\/h1>\n<\/div>\n<\/div>\n
\n
\n
\u63a8\u8350\u7528\u4e8e\u9ad8\u9891\u9ad8\u538b\u573a\uff0c\u4ee5\u6700\u5927\u9650\u5ea6\u51cf\u5c11\u7a7a\u95f4\u5e73\u5747\u6548\u5e94\u3002<\/p>\n
$\"75\u5fae\u7c73\u63a2\u5934\"$ <\/p>\n
\n
\n
\u6280\u672f\u89c4\u683c<\/h2>\n<\/div>\n<\/div>\n
\n
\n\n\n\n\n\n\n\n\n
\u8f93\u51fa\u963b\u6297\uff1a<\/td>\n 14 pF \u00b12 pF<\/td>\n<\/tr>\n
\u5178\u578b\u63a2\u9488\u7075\u654f\u5ea6\uff1a<\/td>\n \u5728\u6b63\u786e\u7ec8\u7aef\u7684HP1\u6f5c\u6c34\u524d\u7f6e\u653e\u5927\u5668\u8f93\u51fa\u7aef\u6d4b\u91cf\u65f6\uff0c\u5e73\u5747\u503c\u4e3a10 nV\/Pa\uff08\u76f8\u5f53\u4e8e-280.2 dB re 1V\/uPa\uff09<\/td>\n<\/tr>\n
\u654f\u611f\u5ea6\u8010\u53d7\u6027\uff1a<\/td>\n \u5355\u4e2a\u63a2\u9488\u4e4b\u95f4\u7684\u7075\u654f\u5ea6\u5dee\u5f02\u7ea6\u4e3a\u00b13dB<\/td>\n<\/tr>\n
\u5178\u578b\u9891\u7387\u54cd\u5e94\uff1a<\/td>\n \u5e73\u5766\uff08\u00b12 dB\uff09\uff1a5 MHz \u81f3 15 MHz \u5e73\u5766\uff08\u00b14 dB\uff09\uff1a1 MHz \u81f3 >30 MHz \u6700\u5c0f\u6821\u51c6\u9891\u7387 1 MHz<\/td>\n<\/tr>\n
\u4f20\u611f\u5668\u6750\u6599\uff1a<\/td>\n 9\u5fae\u7c73\u539a\u7684\u9540\u91d1\u7535\u9540\u805a\u4e8c\u4e8c\u6c1f\u4e59\u70ef\uff08PVdF\uff09\u8584\u819c<\/td>\n<\/tr>\n
\u4f20\u611f\u5668\u5c3a\u5bf8\uff1a<\/td>\n \u76f4\u5f840.075\u6beb\u7c73\u7684\u5706\u76d8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n
\n
0.2\u6beb\u7c73\u9488\u5f0f\u6c34\u542c\u5668<\/h1>\n<\/div>\n<\/div>\n
\n
\n
\u5728\u4fe1\u566a\u6bd4\u826f\u597d\u7684\u60c5\u51b5\u4e0b\uff0c\u5efa\u8bae\u5728\u5927\u591a\u6570\u6d4b\u91cf\u573a\u666f\u4e2d\u4f7f\u7528\u8be5\u8bbe\u5907\uff0c\u4ee5\u6700\u5927\u9650\u5ea6\u51cf\u5c11\u7a7a\u95f4\u5e73\u5747\u5316\u7684\u5f71\u54cd\u3002<\/p>\n
$\"0.2\u6beb\u7c73\u6c34\u542c\u5668\u63a2\u5934\"$ <\/p>\n
\n
\n
\u6280\u672f\u89c4\u683c<\/h2>\n<\/div>\n<\/div>\n
\n
\n\n\n\n\n\n\n\n\n
\u8f93\u51fa\u963b\u6297\uff1a<\/td>\n 13\u00b12 pF<\/td>\n<\/tr>\n
\u5178\u578b\u63a2\u9488\u7075\u654f\u5ea6\uff1a<\/td>\n 55 nV\/Pa\uff08\u76f8\u5f53\u4e8e-265.2 dB re 1 V\/uPa\uff09\u5728\u6b63\u786e\u7ec8\u7aef\u7684HP1\u6f5c\u6c34\u5f0f\u524d\u7f6e\u653e\u5927\u5668\u8f93\u51fa\u7aef\u6d4b\u91cf\u65f6\uff0c\u5e73\u5747\u9891\u7387\u4e3a2 MHz\u81f312 MHz<\/td>\n<\/tr>\n
\u654f\u611f\u5ea6\u8010\u53d7\u6027\uff1a<\/td>\n \u5355\u4e2a\u63a2\u9488\u4e4b\u95f4\u7684\u7075\u654f\u5ea6\u5dee\u5f02\u7ea6\u4e3a\u00b13dB<\/td>\n<\/tr>\n
\u5178\u578b\u9891\u7387\u54cd\u5e94\uff1a<\/td>\n \u5e73\u5766\uff08\u00b12 dB\uff09\uff1a5 MHz \u81f3 25 MHz
\n\u5e73\u5766\uff08\u00b14 dB\uff09\uff1a1 MHz \u81f3 35 MHz
\n\u6700\u5c0f\u6821\u51c6\u9891\u7387 100 kHz<\/td>\n<\/tr>\n
\u4f20\u611f\u5668\u6750\u6599\uff1a<\/td>\n 9\u5fae\u7c73\u539a\u7684\u9540\u91d1\u7535\u9540\u805a\u4e8c\u4e8c\u6c1f\u4e59\u70ef\uff08PVdF\uff09\u8584\u819c<\/td>\n<\/tr>\n
\u4f20\u611f\u5668\u5c3a\u5bf8\uff1a<\/td>\n \u76f4\u5f840.2\u6beb\u7c73\u7684\u5706\u76d8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
* Precision Acoustics \u4fdd\u7559\u5728\u4e0d\u53e6\u884c\u901a\u77e5\u7684\u60c5\u51b5\u4e0b\u66f4\u6539\u89c4\u683c\u7684\u6743\u5229\u3002<\/em><\/p>\n
\n
\n
0.5\u6beb\u7c73\u9488\u5f0f\u6c34\u542c\u5668<\/h1>\n<\/div>\n<\/div>\n
\n
\n
0.5\u6beb\u7c73\u7684\u6c34\u542c\u5668\u88ab\u5e7f\u6cdb\u7528\u4e8e\u9ad8\u9891\u8d85\u58f0\u7684\u6d4b\u91cf\u3002<\/p>\n
\n
\n
\u6982\u8ff0<\/h2>\n<\/div>\n<\/div>\n
\n
\n
\u51ed\u501f\u5353\u8d8a\u7684\u4fe1\u566a\u6bd4\uff0c\u6211\u4eec\u5efa\u8bae\u5728\u4fe1\u53f7\u5e45\u5ea6\u7279\u522b\u4f4e\u7684\u6d4b\u91cf\u4e2d\u4f7f\u7528\u6211\u4eec\u76840.5\u6beb\u7c73\u9488\u5f0f\u6c34\u542c\u5668\u3002<\/p>\n
\u7136\u800c\uff0c\u8fd9\u4e9b\u63a2\u5934\u53ef\u7528\u4e8e\u66f4\u9ad8\u9891\u7387\u7684\u6d4b\u91cf\uff08\u5c24\u5176\u662f\u975e\u5e38\u5fae\u5f31\u7684\u4fe1\u53f7\uff09\uff0c\u4f46\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c0.5\u6beb\u7c73\u53e3\u5f84\u56fa\u6709\u7684\u5b9a\u5411\u6027\u548c\u7a7a\u95f4\u5e73\u5747\u7279\u6027\u610f\u5473\u7740\u5728\u89e3\u8bfb\u6570\u636e\u65f6\u9700\u8c28\u614e\u3002<\/p>\n
$\"0.5mm$ <\/p>\n
\n
\n
\u6280\u672f\u89c4\u683c<\/h2>\n<\/div>\n<\/div>\n
\n
\n\n\n\n\n\n\n\n\n
\u8f93\u51fa\u963b\u6297\uff1a<\/td>\n 18pF\u00b13pF<\/td>\n<\/tr>\n
\u5178\u578b\u63a2\u9488\u7075\u654f\u5ea6\uff1a<\/td>\n \u5728\u6b63\u786e\u7ec8\u7aef\u7684HP1\u6f5c\u6c34\u524d\u7f6e\u653e\u5927\u5668\u8f93\u51fa\u7aef\u6d4b\u91cf\u65f6\uff0c\u5e73\u5747\u7535\u538b\u4e3a300 nV\/Pa\uff08\u76f8\u5f53\u4e8e-250.5 dB re 1V\/uPa\uff09<\/td>\n<\/tr>\n
\u654f\u611f\u5ea6\u8010\u53d7\u6027\uff1a<\/td>\n \u5355\u4e2a\u63a2\u5934\u4e4b\u95f4\u7684\u7075\u654f\u5ea6\u53d8\u5316\u7ea6\u4e3a\u00b13 dB<\/td>\n<\/tr>\n
\u5178\u578b\u9891\u7387\u54cd\u5e94\uff1a<\/td>\n \u5e73\u5766\uff08\u00b12 dB\uff09\uff1a3 MHz \u81f3 15 MHz
\n\u5e73\u5766\uff08\u00b14 dB\uff09\uff1a1 MHz \u81f3 15 MHz
\n\u6700\u5c0f\u6821\u51c6\u9891\u7387 100 kH<\/td>\n<\/tr>\n
\u4f20\u611f\u5668\u6750\u6599\uff1a<\/td>\n 9\u5fae\u7c73\u539a\u7684\u9540\u91d1\u7535\u9540\u805a\u4e8c\u4e8c\u6c1f\u4e59\u70ef\uff08PVdF\uff09\u8584\u819c<\/td>\n<\/tr>\n
\u4f20\u611f\u5668\u5c3a\u5bf8\uff1a<\/td>\n \u76f4\u5f840.5\u6beb\u7c73\u7684\u5706\u76d8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
* Precision Acoustics \u4fdd\u7559\u5728\u4e0d\u53e6\u884c\u901a\u77e5\u7684\u60c5\u51b5\u4e0b\u66f4\u6539\u89c4\u683c\u7684\u6743\u5229\u3002<\/em><\/p>\n
<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
$\"\"$ <\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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