The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 03, 2010
Filed:
Nov. 23, 2006
Applicant:
Martin Wüest, Malans, CH;
Inventor:
Martin Wüest, Malans, CH;
Assignee:
Inficon GmbH, Bad Ragaz, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L 7/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vacuum measuring cell with a membrane between two planar housing parts has a first housing part forming a reference vacuum volume and the second housing part forming a measuring vacuum volume with a connection for the medium to be measured and a mechanism for measuring the membrane deflection. The membrane surface exposed to the medium to be measured is a structured surface.