Self-aligned antiblooming structure for charge- coupled devices and method of fabrication thereof
CA 1203326 A · Owner: Fairchild Camera And Instrument Corporation · Inventors: Dyck, Rudolph H.; Early, James M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
F-1479 (50.3999), (8332-18), SELF-ALIGNED ANTIBLOOMING STRUCTURES FOR CHARGE-COUPLED DEVICES, AND METHOD OF FABRICATION THEREOF ABSTRACT OF THE DISCLOSURE, A self-aligned element antiblooming structure for application to charge-coupled devices includes a region in the substrate in which the charge-coupled device is fabricated into which both a P and an N conductivity type impurity are introduced. By introducing impurities of different diffusivities, a sink region is created between two very narrow antiblooming barriers. Using appropriate process controls, the potential height of the antiblooming barriers may be adjusted to drain excess charge accumulating in the substrate adjacent the …
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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 April 15, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 15, 2003.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.