Patent · US Expired

Infrared detector

US5693942A · kind A · utility

13Cited by
2References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 3, 1996
Grant dateDec 2, 1997
Priority date
Expiry dateApr 3, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/01322
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An infrared detector has a sensor with an infrared detecting portion composed of a thermal sensitive resistor film on an insulating film provided on a surface of a semiconductor substrate. The sensor is installed on a base such that it bridges a cavity in the substrate. The cavity is sealed by an infrared reflecting film or an infrared reflecting metallic board.

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