Patent ID: 9257212
Filing Date: 2016-02-09
CPC Classification: C08L,H01B,H05K

Claim Text:
1. A dielectric resin composition with low dielectric loss comprising: (i) 40-80 parts by weight of polyphenylene ether (PPE) resin having a Mw of 1000-7000, a Mn of 1000-4000 and Mw/Mn=1.0-1.8; (ii) 5-30 parts by weight of bismaleimide resins; and (iii) 5-30 parts by weight of polymer additives, wherein the dielectric resin composition has Dk of 3.75-4.0 and Df of 0.0025-0.0045, wherein polyphenylene ether resin is represented by the formula wherein Y represents at least one C, O and benzene ring or the combination.