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:
Aug. 21, 1990
Filed:
Sep. 15, 1988
Applicant:
Inventor:
Christopher H Tosswill, Glen Cove, ME (US);
Assignee:
Galileo Electro-Optics Corp., Sturbridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
3131 / ; 3131 / ;
Abstract
Channel electron multipliers, including microchannel plates, with alternating layers of deposited conductive and insulative material, the conductive material and insulative material having, at holes therethrough in registry, secondary emission coefficients respectively of greater than one and less than one.