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:
May. 02, 1995
Filed:
Feb. 26, 1993
Applicant:
Inventors:
Mark A Gesley, Oakland, CA (US);
David H Colby, Fremont, CA (US);
Assignee:
ETEC Systems, Inc., Hayward, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
2503 / ; 2505051 ;
Abstract
Spurious electrodynamic effects are reduced or eliminated by the use of a mechanically compact, low capacitance, geometrically symmetric, differentially-driven blanker assembly. This eliminates the need for internal cables or SMA-type launchers and has a solid metal electromechanical contact to system ground.