Patent · US Expired

Polymer useful for molding into a circuit board subtrate

US4937309A · kind A · utility

1Cited by
2References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 14, 1989
Grant dateJun 26, 1990
Priority date
Expiry dateAug 14, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K1/0333
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Described are select polyarylethersulfones polymers which are useful for molding into a circuit board substrte. When metal is electroplated onto such a substrate, there is a high degree of adhesion of the metal to the circuit board.

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