发明名称 Improvements relating to the manufacture of alternating current rectifiers of the selenium type
摘要 <p>554,893. Asymmetrically-conducting resistances. WESTINGHOUSE BRAKE & SIGNAL CO., Ltd., THOMPSON, L. E., and JENKINS, A. Jan. 21, 1942, No. 871. [Class 37] The selenium-mixture layer of a rectifier has a small quantity, within the limits 0.04 to 0.08 per cent, of sulphur, either alone or in combination, added to it. A small quantity of iron may also be added. Specifications 523,673 and 529,791 are referred to.</p>
申请公布号 GB554893(A) 申请公布日期 1943.07.23
申请号 GB19420000871 申请日期 1942.01.21
申请人 WESTINGHOUSE BRAKE & SIGNAL COMPANY LIMITED;LESLIE ERNEST THOMPSON;ALEXANDER JENKINS 发明人
分类号 H01L21/10 主分类号 H01L21/10
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