Solid-state imaging device
CA 1111131 A · Owner: Hitachi, Ltd. · Inventors: Ando, Haruhisa; Horiuchi, Masatada; Akiyama, Toshiyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A solid-state imaging device has a plurality of photoelectric conversion elements, horizontal and vertical scanning circuits for addressing the photoelectric conversion elements, and horizontal and vertical switching transistors. These elements are all formed in a major surface region of an N (or P)-type semiconductor body. The device is characterized in that a plurality of P (or N)-type impurity layers isolated from one another are disposed in the major surface region of the semiconductor body. The switching transistors and the photoelectric conversion elements are integrated in one of the impurity layers, the horizontal scanning circuit being integrated in …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted October 20, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 20, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.