PCB板疊層中的PP厚度組合及介電常數(shù)介紹

PCB板廠家的板材（FR4）厚度及介電常數(shù)一.不同介質(zhì)厚度及其不同組合方式序號(hào)理論厚度（MM）理論厚度（MIL)組合方式介電常數(shù)10.051.97106*13.920.072.761081*14.230.083.2LPP1080*14.240.14106*23.950.124.72106+10804.260.124.722116*14.270.145.51080*24.280.156106*33.990.176.72116+1064.2100.176.71080+106*24.2110.197.51080+21164.2120.197.57628*14.5130.218.271080*34.2140.229106*2+21164.2150.249.457628+1064.5160.249.452116*24.2170.2610.247628+10804.5180.2610.241080*2+21164.2190.2911.427628+106*24.5200.2911.422116*2+1064.2210.3112.27628+21164.5220.3112.22116*2+10804.5230.33137628+1080*24.5240.38157628*24.5250.4316.937628+2116*24.5260.4316.937628*2+1064.5270.4517.727628*2+10804.5280.519.697628*2+21164.5290.5722.447628*34.5