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:
May. 23, 2006
Filed:
May. 26, 2005
Li-min Chang, Hsinchu, TW;
Tong Liao, Hsinchu, TW;
Chen-wen Pao, Hsinchu, TW;
Justin Huang, Hsinchu, TW;
Li-Min Chang, Hsinchu, TW;
Tong Liao, Hsinchu, TW;
Chen-Wen Pao, Hsinchu, TW;
Justin Huang, Hsinchu, TW;
United Microelectronics Corp., Hsinchu, TW;
Abstract
A pad backer is described, comprising a backing plate, an elastomer layer and a pad backing ring. The elastomer layer has a bottom surface bonded to the backing plate and an upper surface with a protrudent part at the edge portion thereof. The pad backing ring has an inner bottom surface with a recessed part thereon matching with the protrudent part on the upper surface of the elastomer layer, such that the elastomer layer is fixed onto the pad backing ring through engagement of the protrudent part and the recessed part.