Patent · US Expired

Resin composition with excellent dielectric characteristics, process for producing resin composition, varnish prepared from the same, process for producing the same, prepeg made with these, and metal-clad laminate

US7157506B2 · kind B2 · utility

3Cited by
2References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 21, 2001
Grant dateJan 2, 2007
Priority date
Expiry dateMar 21, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31663
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A resin composition comprising a cyanate compound (A) having 2 or more cyanato groups in the molecule; a phenol compound (B); a silicone polymer (D) having at least one siloxane unit selected from the group consisting of a tri-functional siloxane unit represented by the formula RSiO3/2 and tetra-functional siloxane unit represented by SiO4/2, polymerization degree of 7,000 or less, and at least one terminal functional group reactive with hydroxyl group; and inorganic filler (E).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.