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. 20, 2011
Filed:
Jun. 29, 2005
Applicants:
Ryosuke Usui, Ichinomiya, JP;
Hideki Mizuhara, Ichinomiya, JP;
Yasunori Inoue, Ogaki, JP;
Inventors:
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
Circuit elements including a plurality of semiconductor devices and passive elements embedded in an insulating resin film are formed on a metal substrate having a surface roughness Ra of 0.3 to 10 μm. This produces an anchoring effect occurs between the substrate and the insulating film, thereby improving the adhesiveness between the substrate and the insulating resin film.