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:
Sep. 06, 2016
Filed:
Nov. 27, 2013
Applicant:
Sanyo Electric Co., Ltd., Osaka, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 1/14 (2006.01); H05K 1/05 (2006.01); H01L 23/14 (2006.01); H01L 23/13 (2006.01); H01L 23/00 (2006.01); H01L 25/07 (2006.01); H05K 1/02 (2006.01);
U.S. Cl.
CPC ...
H05K 1/053 (2013.01); H01L 23/13 (2013.01); H01L 23/142 (2013.01); H05K 1/0216 (2013.01); H01L 24/48 (2013.01); H01L 24/49 (2013.01); H01L 25/072 (2013.01); H01L 2224/48091 (2013.01); H01L 2224/48227 (2013.01); H01L 2224/49113 (2013.01); H01L 2924/1305 (2013.01); H01L 2924/13055 (2013.01); H01L 2924/13091 (2013.01); H01L 2924/1431 (2013.01); H01L 2924/1435 (2013.01); H01L 2924/1438 (2013.01); H01L 2924/19107 (2013.01); H05K 1/0203 (2013.01); H05K 1/0215 (2013.01); H05K 2201/09972 (2013.01); H05K 2201/10166 (2013.01); H05K 2203/0315 (2013.01); H05K 2203/0323 (2013.01);
Abstract
In the upper surface of a metallic substrate, a region near the central part of the metallic substrate is surrounded by a rectangle having dotted sides electrically separate the interior and exterior of the rectangle. Each dot of the sides is formed of a pillared insulating resin that penetrates from the upper surface to the lower surface of the metallic substrate. Oxide films are so formed as to fill in the spaces between adjacent cylinders of insulating resins and the surrounding of the cylinders. That is, a separation layer is formed of the pillared insulating resins and the oxide films that fill up the spaces between the pillared insulating resins as well as their vicinities.