Graphene base transistor with reduced collector area
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United States of America Patent
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Jan 12, 2016
Issued Date -
N/A
app pub date -
Feb 12, 2014
filing date -
Mar 20, 2013
priority date (Note) -
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Abstract
A graphene base transistor with reduced collector area comprising an electron injection region, an electron collection region, and a base region wherein the base region comprises one or more sheets of graphene and wherein the base region is intermediate the electron injection region and the electron collection region and forms electrical interfaces therewith. A method of making a graphene base transistor with reduced collector area comprising forming an electron injection region, forming an electron collection region, and forming a base region wherein the base region comprises one or more sheets of graphene and wherein the base region is intermediate the electron injection region and the electron collection region and forms electrical interfaces therewith.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
---|---|---|---|---|---|
US | B2 | US9590081 | Nov 25, 2015 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
GRANTED PATENT AS SECOND PUBLICATION | Method of making a graphene base transistor with reduced collector area | Mar 07, 2017 | |||
US | B2 | US10158009 | Jan 18, 2017 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
GRANTED PATENT AS SECOND PUBLICATION | Method of making a graphene base transistor with reduced collector area | Dec 18, 2018 |
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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THE GOVERNMENT OF THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY COMPANY | 875 NORTH RANDOLPH STREET SUITE 1425 ARLINGTON VA 22203 |
International Classification(s)

- 2014 Application Filing Year
- H01L Class
- 23828 Applications Filed
- 21803 Patents Issued To-Date
- 91.51 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Anderson, Travis J | Alexandria, US | 52 | 746 |
# of filed Patents : 52 Total Citations : 746 | |||
Koehler, Andrew D | Alexandria, US | 25 | 593 |
# of filed Patents : 25 Total Citations : 593 | |||
Kub, Francis J | Arnold, US | 110 | 4131 |
# of filed Patents : 110 Total Citations : 4131 |
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Patent Citation Ranking
- 2 Citation Count
- H01L Class
- 13.47 % this patent is cited more than
- 9 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 12, 2027 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
Date | Code | Event | Description |
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Jul 07, 2023 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8 |
Jun 03, 2019 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Jan 12, 2016 | I | Issuance | |
Dec 22, 2015 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Sep 25, 2014 | P | Published | |
Feb 25, 2014 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KUB, FRANCIS J.;ANDERSON, TRAVIS J.;KOEHLER, ANDREW D.;REEL/FRAME:033147/0157 Owner name: THE GOVERNMENT OF THE UNITED STATES OF AMERICA, AS Effective Date: Feb 25, 2014 |
Feb 12, 2014 | F | Filing | |
Mar 20, 2013 | PD | Priority Date |

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