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:
Oct. 19, 2021
Filed:
Sep. 26, 2019
Applicant:
Nichia Corporation, Anan, JP;
Inventors:
Yasuo Kato, Anan, JP;
Kazuya Matsuda, Anan, JP;
Assignee:
NICHIA CORPORATION, Anan, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/62 (2010.01); H01L 33/56 (2010.01); H01L 23/495 (2006.01);
U.S. Cl.
CPC ...
H01L 33/56 (2013.01); H01L 23/49582 (2013.01); H01L 33/62 (2013.01);
Abstract
A metallic structure for an optical semiconductor device including a conductive base body having disposed thereon metallic layers in the following order: a nickel or nickel alloy plated layer, a gold or gold alloy plated layer, and an indium or indium alloy plated layer, wherein the indium or indium alloy plated layer has a thickness in a range of 0.002 μm or more and 0.3 μm or less.