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ROGERS materials is originated in the United States, the products are widely used in: portable communication equipment, communications infrastructure, computers, aerospace, etc. The following is the material parameter Performance standard value direction unit condition testing method RO4003CRO4350B Dielectric constant er (manufacturing standard) 3.38 ± 0.05 mm 0.053.48 Z - - - - - - - - - - 10 GHZ / 23 ocipc - TM - 650 2.5.5.5 Clamp microstrip line test Dielectric constant er (circuit design recommended value) 3.553.66 Z - - - - - - - - - - FSR / 23 ocipc - TM - 650 2.5.5.5 The whole plate resonance test Loss factor δ 0.0027 0.00210.0037 0.0031 Z - - - - - - - - - - 10 GHZ / 23 oc 2.5 GHz / 23 ocipc - TM - 650 2.5.5.5 Dielectric constant temperature coefficient er + 40 + 50 PPM / 0 c - 100 octo250ocipc - TM - 650 2.5.5.5 Volume resistance 1.7 x 10101.2 x 1010 M Ω. CmCONDAIPC - TM - 650 2.5.17.1 The surface resistance 4.2 x 1095.7 x 109 M Ω CONDAIPC - TM - 650 2.5.17.1 Electric strength 31.2 (780) 31.2 (780) ZKv/mm (v/mil) 0.51 mm (0.020 ") IPC - TM - 650 2.5.6.2 Tensile modulus 26.889 (3900) 11.473 (1664) YMpa (