Patent · US Expired

Flip-chip pressure transducer

US4763098A · kind A · utility

34Cited by
13References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 8, 1985
Grant dateAug 9, 1988
Priority date
Expiry dateApr 8, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49103
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Disclosed is a pressure transducer comprising a pressure sensitive silicon die having a front side exposing piezoresistive means and comprising means for flip-chip mounting the die to a pressure vessel. The transducer further comprises a pressure vessel having an aperture, the pressure vessel comprising means for flip-chip mounting the die over the aperture. The die is flip-chip mounted over the aperture in the pressure vessel, and there is a hermetic seal between the pressure vessel and the die.

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