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:
Jan. 05, 2010
Filed:
Dec. 19, 2007
Kevin Ward Haberern, Cary, NC (US);
Raymond Rosado, Apex, NC (US);
Michael John Bergman, Chapel Hill, NC (US);
David Todd Emerson, Chapel Hill, NC (US);
Kevin Ward Haberern, Cary, NC (US);
Raymond Rosado, Apex, NC (US);
Michael John Bergman, Chapel Hill, NC (US);
David Todd Emerson, Chapel Hill, NC (US);
Cree, Inc., Durham, NC (US);
Abstract
A semiconductor device including a semiconductor structure defining a mesa having a mesa surface and mesa sidewalls, and first and second passivation layers. The first passivation layer may be on at least portions of the mesa sidewalls, at least a portion of the mesa surface may be free of the first passivation layer, and the first passivation layer may include a first material. The second passivation layer may be on the first passivation layer, at least a portion of the mesa surface may be free of the second passivation layer, and the second passivation layer may include a second material different than the first material.