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:
Jan. 26, 1999
Filed:
Aug. 13, 1996
Applicant:
Inventor:
Richard J McDonald, Salem, MA (US);
Assignee:
EG&G Corporation, Wellesley, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313592 ; 445 29 ; 361120 ;
Abstract
A method of manufacturing a spark gap device. The method includes using standard metal transistor base and cap components, machining the base to cut out a portion of the top of the base, filling the base with an insulative substrate and placing a pin through the insulative substrate, depositing a first electrode on the top portion of the base in electrical contact with the metal portion of the base, and sealing the cap with respect to the base. Also featured is a spark gap device which eliminates heat related and electrode sputtering failures associated with prior art glass or ceramic spark gap devices.