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. 22, 2019
Filed:
Aug. 29, 2014
Applicant:
Hitachi Metals, Ltd., Tokyo, JP;
Inventors:
Kazuya Nagatomo, Izumi, JP;
Ken Asada, Izumi, JP;
Assignee:
HITACHI METALS, LTD., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 5/06 (2006.01); H01L 23/10 (2006.01); B23K 31/02 (2006.01);
U.S. Cl.
CPC ...
B23K 31/02 (2013.01); H01L 23/10 (2013.01); H01L 2224/16225 (2013.01); H01L 2924/0002 (2013.01);
Abstract
A hermetic sealing cap includes a base material, a first plated layer formed on the base material, and a second plated layer formed on the first plated layer. A surface of the base material is sectioned into a first region, a second region not adjacent to the first region inside the first region, a third region adjacent to the first region inside the first region, and a fourth region adjacent to the first region outside the first region. In the third region and the fourth region, the first plated layer is exposed to be oxidized.