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. 25, 1977
Filed:
Oct. 28, 1975
Applicant:
Inventors:
Sven A Roosild, Framingham, MA (US);
Freeman D Shepherd, Jr, Chelmsford, MA (US);
Andrew C Yang, Concord, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
313367 ; 313388 ; 315 10 ;
Abstract
A solid state sensing retina for infrared vidicon television camera tubes using a low voltage electron beam, consisting of a monolithic silicon wafer having an n-type substrate and two dimensional array of p-type islands, each island has a Schottky electrode photoemitter and substrate contact buss, an ohmic contact pad allows charging of the p-type region beneath the Schottky electrode.