Patent · US Expired

Poly(silyl silane)homo and copolymers

US4820788A · kind A · utility

35Cited by
8References
31Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 31, 1986
Grant dateApr 11, 1989
Priority date
Expiry dateOct 31, 2006

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/0754
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Poly(silyl silanes) have been prepared. They have high photosensitivity and excellent resistance to oxygen-reactive ion etching processes. They are useful as photodepolymerizable photoresists, barrier layers, etc.

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