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.:
Date of Patent:
Nov. 07, 2023
Filed:
Aug. 26, 2021
Applicant:
Us Govt As Represented BY Secretary of Air Force, Kirtland AFB, NM (US);
Inventors:
Joseph M. Connelly, Albuquerque, NM (US);
John R. Harris, Albuquerque, NM (US);
John W. Lewellen, Albuquerque, NM (US);
Assignee:
Government of the United States as represented by the Secretary of the Air Force, Kirtland AFB, NM (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01J 9/02 (2006.01);
U.S. Cl.
CPC ...
H01J 9/025 (2013.01); H01J 2209/012 (2013.01);
Abstract
A method for making field emission devices so that they have emitter tips in the form of a needle-like point with a width and length configured such that ratio of the width to the length ranges from about 0.001 to about 0.05, and associated methods for making the tips by 3-D printing.