Glass sealed diode
CA 1107403 A · Owner: Westinghouse Electric Corporation · Inventors: Moore, David L.; Ostop, John A.; Johnson, Joseph E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
46,704, GLASS SEALED DIODE, ABSTRACT, A glass sealed semiconductor diode is disclosed. The diode includes a fusion which comprises a body of semiconductor material having a PN junction therein and metal electrodes affixed to opposed major surfaces of the semiconductor body. The fusion is encircled by an annularshaped glass member with an inner surface of the annularshaped glass member fused to an edge surface of the fusion to form a protective layer over the PN junction. An annular metallic member encircles the annular glass member with an inner surface thereof fused to an outer surface of the annular glass member.
Read the whole patent
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 August 18, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 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.