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:
Nov. 07, 2006
Filed:
May. 14, 2003
Wen-chang Shih, Taichung, TW;
Yung-chung Chang, Taipei, TW;
Min-kuei Chu, Taichung, TW;
Lung-chen Wei, Taichung, TW;
Wen-Chang Shih, Taichung, TW;
Yung-Chung Chang, Taipei, TW;
Min-Kuei Chu, Taichung, TW;
Lung-Chen Wei, Taichung, TW;
IV Technologies, Co., Ltd., Taichung, TW;
Abstract
A method of manufacturing a polishing pad is described. A mold having a mold cavity therein is provided. At least a strip is buried in the mold. A polymer foam material is injected into the mold cavity of the mold. The polymer foam material is cured to mold the polymer foam material into a molding polymer article. A mold release process is performed to obtain the molding polymer article. The strip on the molding article is removed to form a polishing pad having at least one groove thereon.