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.

Date of Patent:
Nov. 07, 2017

Filed:

Dec. 15, 2014
Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventors:

Shinya Nakajima, Chofu, JP;

Kazuta Saito, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/683 (2006.01); H01L 21/268 (2006.01);
U.S. Cl.
CPC ...
H01L 21/6836 (2013.01); H01L 21/268 (2013.01); H01L 21/6835 (2013.01); H01L 2221/6834 (2013.01); H01L 2221/68318 (2013.01); H01L 2221/68327 (2013.01); H01L 2221/68381 (2013.01); H01L 2221/68386 (2013.01);
Abstract

A member peeling method includes a step for preparing a first member having a first main face and an outer edge thereof and a second member having a second main face and an outer edge thereon, a step for disposing a photothermal conversion layer on at least one portion of the outer edge on the first main face, a step for mutually joining the first main face and the second main face via an adhesive layer, a step for irradiating a laser light to the photothermal conversion layer, and a step for at least partially peeling the first member from the second member by applying a force to an outer peripheral portion of either of the first member or the second member in a direction away from the other member.


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