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. 03, 2013
Filed:
Jul. 27, 2011
Kenichi Ito, Osaka, JP;
Shigehisa Oonakahara, Kyoto, JP;
Yoshikazu Tamura, Shiga, JP;
Kiyoshi Fujihara, Shiga, JP;
Kenichi Ito, Osaka, JP;
Shigehisa Oonakahara, Kyoto, JP;
Yoshikazu Tamura, Shiga, JP;
Kiyoshi Fujihara, Shiga, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A semiconductor device includes a lead frame, a semiconductor element mounted on the lead frame, and a frame-like member formed on the lead frame, surrounding the semiconductor element, and covering a side surface of the lead frame and exposing a lower surface of the lead frame. The frame-like member has at least one concave portion in a side surface thereof. The concave portion has a ceiling portion located at the same height as or lower than an upper surface of the lead frame, and a bottom portion located higher than the lower surface of the lead frame.