Patent GB191116595A successfully refreshed from Google Patents.
GB497034A
Expired / Lapsed
GB
⏱️ 0.0 years remaining
Improvements in and relating to dry rectifiers
Assignee: British Thomson Houston Co Ltd
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Filing: 1936-06-11
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Granted: —
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Expires: 1956-06-11
Abstract
Abstract 497,034. Asymmetrically conducting resistances. BRITISH THOMSONHOUSTON CO., Ltd. June 11, 1937, Nos. 16263 and 16264. Convention dates, June 13, 1936 and June 22, 1936. [Class 37] A rectifier of the selenium type has a light metal base electrode, the oxide coating of which has been subjected to a treatment, similar to that adopted for " colouring " thin crystal layers, in which the coating is subjected to an atomized or vapour spray of metal, e.g. bismuth, tin or antimony or to bombardment with positive ions of such metals or of hydrogen, for the purpose of increasing the conductivity.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
GB
Data Source
google_patents
Last Synchronized
2026-10-23 00:46
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/01; H10D48/04; H10D48/042
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