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 8664642 B1

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

Filed:

Jul. 24, 2013
Applicant:

Solan, Llc, Salt Lake City, UT (US);

Inventor:

Mark Alan Davis, Springville, UT (US);

Assignee:

Solan, LLC, Salt Lake City, UT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A graphite-based device comprising a substrate with a plurality of zones and one or more graphene stacks overlaying the zones is provided. A first zone comprises a plurality of surfaces. A first surface is adjacent to a second surface in the plurality of surfaces. The one or more graphene stacks comprise a first graphene stack in the first zone. The first graphene stack comprises a plurality of graphene layers, a first of which is formed on the first surface. The first graphene layer is either planar or non-planar. A second graphene layer in the plurality of graphene layers comprises a first portion formed on a top surface of the first graphene layer, a second portion formed on the second surface and a first intermediate portion connecting the first and second portions. The second graphene layer is non-planar. The first and second graphene layers have different characteristic dimensions and different bandgaps.


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