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:
Dec. 20, 2005
Filed:
May. 03, 2005
Applicants:
Kazuki Uwada, Osaka, JP;
Yuji Hotta, Osaka, JP;
Noriaki Harada, Osaka, JP;
Inventors:
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L023/29 ;
U.S. Cl.
CPC ...
Abstract
The present invention provides an optical semiconductor device comprising: a wiring circuit board; at least one optical semiconductor element mounted on the wiring circuit board; resin layer A that encapsulates the at least one optical semiconductor element therewith; and resin layer B interposed between the resin layer A and the wiring circuit board, and having a tensile modulus as measured at 30° C. of 0.001 to 0.4 GPa.