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. 22, 2011
Filed:
Sep. 19, 2008
Applicants:
Masayuki Yamamoto, Ibaraki, JP;
Saburo Miyamoto, Kameyama, JP;
Inventors:
Masayuki Yamamoto, Ibaraki, JP;
Saburo Miyamoto, Kameyama, JP;
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 38/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A surface height of a protective tape joined to a wafer mounted and held on a separation table is detected, a lowering operation distance of a needle is calculated based on such detected information, and a lowering operation amount for approaching a joining member to the protective tape until the separation tape winded around the joining member contacts the protective tape is calculated. A separating site is formed in the protective tape and the protective tape is separated while controlling a height of each member based on the calculated lowering operation amount.