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:
Feb. 07, 2012
Filed:
Sep. 15, 2009
Applicant:
Yoshiki Takayama, Shiga, JP;
Inventor:
Yoshiki Takayama, Shiga, JP;
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device includes: a package having a bottom and a side wall surrounding the bottom; an element adhered to the bottom of the package; an internal contact formed inside the package; a resin encapsulation material with which a space between the package and the element is filled; and a coating formed to cover an end surface of the internal contact near the element, and made of a material whose thermal expansion coefficient is greater than or equal to the thermal expansion coefficient of the package and less than the thermal expansion coefficient of the resin encapsulation material.