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.:

US 6634213 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 21, 2003

Filed:

Feb. 20, 2001
Applicant:
Inventors:

James M. O'Connor, Ellicott City, MD (US);

Thomas C. Loughran, Columbia, MD (US);

Assignee:

Honeywell International Inc., Morristown, NJ (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 7/00 ; G01N 2/716 ; G01N 2/700 ; B32B 9/00 ; H01C 1/02 ;
U.S. Cl.
CPC ...
H01L 7/00 ; G01N 2/716 ; G01N 2/700 ; B32B 9/00 ; H01C 1/02 ;
Abstract

A permeable protective coating for a single-ship hydrogen sensor. A hydrogen-permeable coating is applied to a semiconductor wafer containing hydrogen sensor dies, prior to dicing of the wafer. The permeable coating is preferably an organic spin-on polymer, and the hydrogen sensors preferably include hydrogen-sensing elements composed of a palladium nickel alloy.


Find Patent Forward Citations

O'Connor, James. (2003). Permeable protective coating for a single-chip hydrogen sensor (U.S. Patent No. 6634213). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6634213

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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