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:
Jan. 29, 2013
Filed:
Aug. 26, 2009
Sung Sun Park, Gwangjin-gu, KR;
Ik Su Jun, Gwanak-gu, KR;
YE Sul Ahn, Songpa-gu, KR;
Other;
Abstract
In accordance with the present invention, there is provided a quad flat no leads (QFN) semiconductor device or package including a leadframe wherein the leads of the leadframe are selectively formed so that portions one or more prescribed leads are exposed in a package body of the semiconductor package and electrically connected to an electromagnetic interference (EMI) shielding layer applied to the package body. In certain embodiments of the present invention, one or more tie bars of the leadframe may also be formed so as to be exposed in the package body of the semiconductor package and electrically connected to the shielding layer applied to the package body. Thus, in the present invention, the shielding layer may be electrically connected to one or more leads alone or in combination with one or more tie bars of the leadframe.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile