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:
Sep. 12, 1995
Filed:
Dec. 01, 1994
Gen Sudo, Kawasaki, JP;
Soichiro Hikida, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A semiconductor image pickup device comprises a photo-sensing substrate and a signal processing substrate, wherein the photo-sensing substrate further comprises a plurality of detector elements, and the signal processing substrate comprises a plurality of input diodes, each detector element being operatively connected to the respective input diode. The detector elements are isolated and light shielded from each other and further from the signal processing substrate by a light shield layer, and each detector element has an input port for incident rays on an input side of the photo-sensing substrate and has a surface region on the opposite side for outputting a signal to the input diode. The light shield layer of the invention comprises an insulation multilayer and a metal layer laminated in this order from the input side of the incident rays. The embodiments utilize a silicon nitride layer and zinc sulphide layer as the insulation multilayer.