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:
Mar. 30, 2010
Filed:
Oct. 21, 2004
Masaki Tsujimoto, Tokyo, JP;
Takahisa Yoshioka, Tokyo, JP;
Masaki Tsujimoto, Tokyo, JP;
Takahisa Yoshioka, Tokyo, JP;
Lintec Corporation, Tokyo, JP;
Abstract
There is provided a sheet peeling apparatus and a peeling method using a plurality of peeling units. A sheet peeling apparatus for peeling off a sheet stuck on the surface of a semiconductor wafer by using an adhesive tape of a width narrower than that of the sheet, which is equipped with a peeling head for peeling off the sheet by pulling the adhesive tape in an obtuse angled direction in a state stuck to the end portion of the sheet; and first and second rollers for peeling off the sheet by pulling the adhesive tape in the substantially right angle or acute angle direction in a state stuck with the adhesive tape in the direction across the sheet. Either of the peeling units are selectively used in accordance with the type of the sheet.