Patent · US Expired

Surface area deposition trap

US7252011B2 · kind B2 · utility

137Cited by
35References
36Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 11, 2002
Grant dateAug 7, 2007
Priority date
Expiry dateMar 11, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01L19/0636
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The disclosed pressure transducer assembly includes a housing, a pressure sensor disposed within the housing, a coupling establishing a sealed pathway between the housing and an external source of gas or fluid, and a deposition trap disposed in the pathway. The deposition trap provides a plurality of channels, each of the channels being narrower than the pathway.

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