Thermionic emitter and method of making same

Patent

Description

This invention relates to an improved thermionic emitter and to a method for making this emitter, and, more particularly, to filaments of refractory metal and a method for making these filaments.

Attributes

Attribute NameValues
Title
  • Thermionic emitter and method of making same

Patent Number
  • US 2892740 B2

USPTO Link
Inventor
  • Edward A. Coomes

  • Fay E. Gifford

Inventor From Local Institution
  • Edward A. Coomes

Other Application
  • 663,007

Claims
  • 17

Classification (US Patent)
  • 313/341; 117/7; 117/921; 117/928; 148/423;

Cooperative Patent Classification codes
  • H01J 1/15 (20130101); H01J 9/04 (20130101)

International Patent Classification codes
  • H01J 1/15 (20060101); H01J 9/04 (20060101); H01J 1/13 (20060101)

Language
  • eng

Date Issued
  • 1959-06-30

Publisher
  • United States Patent and Trademark Office

Assignee
  • University of Notre Dame Du Lac

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