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. 12, 2008
Filed:
Jun. 16, 2005
Applicant:
Yoshinori Shizuno, Minato-ku, JP;
Inventor:
Yoshinori Shizuno, Minato-ku, JP;
Assignee:
Oki Electric Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of manufacturing a semiconductor device has: preparing a semiconductor wafer having electrode pads formed on the main surface; forming contact portions, which connect to the electrode pads, on the main surface; forming a sealing resin over the main surface; grinding the top face of the sealing resin for exposing the top faces of the contact portions; polishing the top face of the sealing resin by blast processing for exposing the side of the contact portions; and forming external terminals connected with the contact portions exposing from the sealing resin.