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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 10899102 B1

PDFFull Text
Date of Patent:
Jan. 26, 2021

Filed:

Oct. 31, 2019

Carbon nanotube sheet optical bellows with enhanced stray light suppression and method of manufacture

Applicant:

Northrop Grumman Systems Corporation, Falls Church, VA (US);

Inventors:

John A Starkovich, Redondo Beach, CA (US);

Andrew D Kostelec, Fullerton, CA (US);

Edward M. Silverman, Encino, CA (US);

Assignee:

NORTHROP GRUMMAN SYSTEMS CORPORATION, Falls Church, VA (US);

Attorney:

McCracken & Gillen LLC

Primary Examiner:

Stephone B Allen

Assistant Examiner:

Jyotsna V Dabbi

Int. Cl.
CPC ...
G02B 27/00 (2006.01); B32B 1/08 (2006.01); B32B 7/12 (2006.01); B32B 5/02 (2006.01); B32B 27/08 (2006.01); B32B 27/12 (2006.01); B32B 37/12 (2006.01); B32B 37/18 (2006.01); B32B 38/00 (2006.01); B32B 27/28 (2006.01); B32B 27/36 (2006.01); G02B 5/00 (2006.01); B32B 3/26 (2006.01); H01L 51/00 (2006.01); C01B 32/158 (2017.01); B82Y 20/00 (2011.01);
U.S. Cl.
CPC ...
B32B 1/08 (2013.01); B32B 3/266 (2013.01); B32B 5/022 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/12 (2013.01); B32B 27/281 (2013.01); B32B 27/36 (2013.01); B32B 37/12 (2013.01); B32B 37/182 (2013.01); B32B 38/0004 (2013.01); B32B 38/0008 (2013.01); C01B 32/158 (2017.08); G02B 5/003 (2013.01); H01L 51/0048 (2013.01); B32B 2250/03 (2013.01); B32B 2255/10 (2013.01); B32B 2255/205 (2013.01); B32B 2255/26 (2013.01); B32B 2255/28 (2013.01); B32B 2262/106 (2013.01); B32B 2305/28 (2013.01); B32B 2310/0862 (2013.01); B32B 2310/0868 (2013.01); B32B 2310/14 (2013.01); B32B 2313/04 (2013.01); B32B 2367/00 (2013.01); B32B 2379/08 (2013.01); B32B 2551/00 (2013.01); B82Y 20/00 (2013.01);
Abstract

A polygonally shaped carbon nanotube (CNT) sheet optical bellows providing enhanced stray light suppression, the polygonally shaped CNT sheet optical bellows includes: a free-standing non-woven CNT sheet; a polymer bonded to the non-woven CNT sheet; and an elastomer film bonded to the polymer film, creating a laminate film, the laminate film being rolled to form a cylinder by applying an adhesive along a bonding edge of the laminate film to adhere the bonding edge to an opposite edge of the laminate film, an outer side of the laminate film comprising diamond-shaped elements, the diamond-shaped elements being pinched, pressed, folded and collapsed in a rotating manner around a circumference of the cylinder, creating the polygonally shaped CNT sheet optical bellows.

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