Patent · US Expired

Pyroelectric detectors

US4110616A · kind A · utility

20Cited by
4References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 14, 1977
Grant dateAug 29, 1978
Priority date
Expiry dateJan 14, 1997

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2224/48137
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A pyroelectric detector which includes at least one pyroelectric element consisting of a pyroelectric material sandwiched between first and second electrodes, and a semiconductor chip having a field effect transistor formed on one surface thereof and having an electrical contact for the gate electrode of the transistor formed on the surface thereof, opposite to said one surface, the gate electrode contact of the chip being secured in electrical contact to the first one of the electrodes of the pyroelectric element, the size of the chip being such that a major portion of the first electrode is not covered by the chip.

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