Patent · US Expired

Polyimide-siloxanes, method of making and use

US4795680A · kind A · utility

30Cited by
2References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 5, 1987
Grant dateJan 3, 1989
Priority date
Expiry dateFeb 5, 2007

Classification

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

Abstract

Polyimide-siloxanes are provided resulting from the intercondensation of organic diamines with organosiloxanes having terminal silyl-substituted aromatic organic anhydride groups. Semiconductor devices and composites using such polyimidesiloxanes as dielectric or passivating layers, films, adhesives and composites are also provided.

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