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:
Jun. 08, 2021

Filed:

Feb. 04, 2019
Applicant:

Dow Silicones Corporation, Midland, MI (US);

Inventors:

Lizhi Liu, Pearland, TX (US);

Peng-Fei Fu, Midland, MI (US);

Assignee:

Dow Silicones Corporation, Midland, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/075 (2006.01); G03F 7/004 (2006.01); G03F 7/20 (2006.01);
U.S. Cl.
CPC ...
G03F 7/0757 (2013.01); G03F 7/0045 (2013.01); G03F 7/0755 (2013.01); G03F 7/2002 (2013.01);
Abstract

A method for producing a patterned silicone layer; said method comprising steps of: (a) depositing on a substrate a composition comprising: (i) a polysiloxane comprising alkenyl groups, (ii) a silane crosslinker comprising silicon-hydrogen bonds, (iii) a hydrosilylation catalyst, and (iv) a photolatent amine generator, to form an uncured resin; (b) exposing the uncured resin to ultraviolet light or electron beam irradiation through a mask to produce a patterned resin; (c) heating the patterned resin; and (e) removing at least a part of the uncured portion of the patterned resin to produce a final patterned silicone layer.


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