GB616851A - Improvements relating to alternating current rectifiers of the selenium type - Google Patents

Improvements relating to alternating current rectifiers of the selenium type

Info

Publication number
GB616851A
GB616851A GB27559/46A GB2755946A GB616851A GB 616851 A GB616851 A GB 616851A GB 27559/46 A GB27559/46 A GB 27559/46A GB 2755946 A GB2755946 A GB 2755946A GB 616851 A GB616851 A GB 616851A
Authority
GB
United Kingdom
Prior art keywords
rectifier
voltage
resistance
alternating current
attains
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB27559/46A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Mobility Ltd
Original Assignee
Westinghouse Brake and Signal Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westinghouse Brake and Signal Co Ltd filed Critical Westinghouse Brake and Signal Co Ltd
Publication of GB616851A publication Critical patent/GB616851A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/06Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising selenium or tellurium in uncombined form other than as impurities in semiconductor bodies of other materials
    • H01L21/14Treatment of the complete device, e.g. by electroforming to form a barrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Rectifiers (AREA)
GB27559/46A 1945-09-22 1946-09-13 Improvements relating to alternating current rectifiers of the selenium type Expired GB616851A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US618003A US2510322A (en) 1945-09-22 1945-09-22 Selenium rectifier

Publications (1)

Publication Number Publication Date
GB616851A true GB616851A (en) 1949-01-27

Family

ID=24475941

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27559/46A Expired GB616851A (en) 1945-09-22 1946-09-13 Improvements relating to alternating current rectifiers of the selenium type

Country Status (3)

Country Link
US (1) US2510322A (es)
FR (1) FR958639A (es)
GB (1) GB616851A (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2626448A (en) * 1947-08-26 1953-01-27 Bell Telephone Labor Inc Apparatus for and method of treating selenium rectifiers
US2711005A (en) * 1949-09-30 1955-06-21 Vickers Inc Power transmission
US2746121A (en) * 1951-10-06 1956-05-22 Bell Telephone Labor Inc Conditioning of semiconductor translators
NL174375B (nl) * 1951-12-20 Cabot Corp Werkwijze voor het bereiden van een thermisch stabiele, bij hoge temperatuur tegen oxydatie bestendige nikkellegering, alsmede voorwerpen, welke geheel of gedeeltelijk uit een dergelijke legering zijn vervaardigd.
BE533785A (es) * 1953-12-01 1900-01-01
DE1223955B (de) * 1964-08-05 1966-09-01 Siemens Ag Verfahren zur Herstellung von hochsperrenden Selengleichrichtertabletten mit kleinemDurchmesser
US3646666A (en) * 1970-01-02 1972-03-07 Rca Corp Fabrication of semiconductor devices
US3637972A (en) * 1970-04-01 1972-01-25 Gte Laboratories Inc Method and apparatus for forming an ohmic contact to high-resistivity silicon

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1956675A (en) * 1927-05-10 1934-05-01 Union Switch & Signal Co Rectifying apparatus
US2293657A (en) * 1930-12-06 1942-08-18 Ralph D Mershon Electrolytic condenser and formation of anode films
US2193610A (en) * 1938-02-17 1940-03-12 Westinghouse Electric & Mfg Co Selenium contact electrode
NL93207C (es) * 1938-05-07 1900-01-01
US2261725A (en) * 1938-05-18 1941-11-04 Westinghouse Electric & Mfg Co Selenium rectifier
BE434337A (es) * 1938-06-07
US2375181A (en) * 1941-03-25 1945-05-01 Ruben Samuel Rectifier forming
US2339613A (en) * 1942-02-27 1944-01-18 Bell Telephone Labor Inc Selenium rectifier and method of making it

Also Published As

Publication number Publication date
FR958639A (es) 1950-03-15
US2510322A (en) 1950-06-06

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