Patent · US Expired

Light filters for microelectronics

US4876165A · kind A · utility

44Cited by
1References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 12, 1987
Grant dateOct 24, 1989
Priority date
Expiry dateJan 12, 2007

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/0276
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Filters suitable for microelectronic uses and the like may be prepared directly on substrates either as monolithically integrated filters or as hybrid filters using a soluble dye material in a resin. The resin may be applied to microelectronic substrates and patterned by conventional microphotolithographic processes.

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