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:
Aug. 30, 2007
Applicants:
William David Collins, Iii, San Jose, CA (US);
Jerome Chandra Bhat, San Francisco, CA (US);
Inventors:
William David Collins, III, San Jose, CA (US);
Jerome Chandra Bhat, San Francisco, CA (US);
Assignees:
Philips Lumileds Lighting Company, LLC, San Jose, CA (US);
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/22 (2006.01); H01L 29/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A metal oxide varistor comprising one or more zinc oxide layers is formed integral to a ceramic substrate to provide ESD protection of a semiconductor device mounted to the substrate. The portion of the ceramic substrate not forming the varistor may be aluminum oxide, aluminum nitride, silicon carbide, or boron nitride. The varistor portion may form any part of the ceramic substrate, including all of the ceramic substrate.