Patent · US Expired

Pressure sensor

US4821011A · kind A · utility

6Cited by
2References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 24, 1987
Grant dateApr 11, 1989
Priority date
Expiry dateMar 24, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01L1/2287
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A pressure sensor in which a Ni-Si-B amorphous alloy strain gauge is covered and protected from the external impact and dust in the air by a protective film.

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