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:
Aug. 27, 2019

Filed:

Jun. 26, 2018
Applicant:

The Government of the United States of America, As Represented BY the Secretary of the Navy, Arlington, VA (US);

Inventors:

Evgeniya H. Lock, Annandale, VA (US);

Mira Baraket, Washington, DC (US);

Scott G. Walton, Fairfax, VA (US);

Matthew Laskoski, Springfield, VA (US);

Paul E. Sheehan, Springfield, VA (US);

Shawn P. Mulvaney, Washington, DC (US);

Daniel R. Hines, College Park, MD (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 32/186 (2017.01); C01B 32/194 (2017.01); B82Y 40/00 (2011.01); B82Y 30/00 (2011.01);
U.S. Cl.
CPC ...
B82Y 40/00 (2013.01); B82Y 30/00 (2013.01); C01B 32/186 (2017.08); C01B 32/194 (2017.08); Y10T 428/31507 (2015.04); Y10T 428/31786 (2015.04); Y10T 428/31931 (2015.04);
Abstract

A method for dry graphene transfer comprising growing graphene on a growth substrate, chemically modifying a transfer substrate to enhance its adhesion to graphene, contacting the graphene on the growth substrate with the transfer substrate and transfer printing; and separating the transfer substrate with attached graphene from the growth substrate. The growth substrate may be copper foil. The transfer substrate may be a polymer, such as polystyrene or polyethylene, or an inorganic substrate.


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