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. 28, 2012
Filed:
Aug. 26, 2009
Applicants:
Pao-huei Chang Chien, Kaohsiung County, TW;
Ping-cheng HU, Kaohsiung, TW;
Po-shing Chiang, Kaohsiung County, TW;
Wei-lun Cheng, Kaohsiung, TW;
Inventors:
Pao-Huei Chang Chien, Kaohsiung County, TW;
Ping-Cheng Hu, Kaohsiung, TW;
Po-Shing Chiang, Kaohsiung County, TW;
Wei-Lun Cheng, Kaohsiung, TW;
Assignee:
Advanced Semiconductor Engineering, Inc., Kaohsiung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The manufacturing method of advanced quad flat non-leaded packages includes performing a pre-cutting process prior to the backside etching process for defining the contact terminals. The pre-cutting process ensures the isolation of individual contact terminals and improves the package reliability.