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.:

US 8663904 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 04, 2014

Filed:

Aug. 07, 2013
Applicant:

Promerus, Llc, Brecksville, OH (US);

Inventors:

Pramod Kandanarachchi, Brecksville, OH (US);

Kazuyoshi Fujita, Tokyo, JP;

Steven Smith, Broadview Heights, OH (US);

Larry F Rhodes, Silver Lake, OH (US);

Assignee:

Promerus, LLC, Brecksville, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/00 (2006.01); G03F 7/32 (2006.01); G03F 7/40 (2006.01); G03F 7/11 (2006.01);
U.S. Cl.
CPC ...
Abstract

Embodiments in accordance with the present invention provide for non-self imageable norbornene-type polymers useful for immersion lithographic processes, methods of making such polymers, compositions employing such polymers and immersion lithographic processes that make use of such compositions. More specifically the embodiments of the present invention are related to norbornene-type polymers useful for forming top-coat layers for overlying photoresist layers in immersion lithographic process and the process thereof.


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