GB276622A - Improvements relating to current rectifying apparatus - Google Patents

Improvements relating to current rectifying apparatus

Info

Publication number
GB276622A
GB276622A GB11611/27A GB1161127A GB276622A GB 276622 A GB276622 A GB 276622A GB 11611/27 A GB11611/27 A GB 11611/27A GB 1161127 A GB1161127 A GB 1161127A GB 276622 A GB276622 A GB 276622A
Authority
GB
United Kingdom
Prior art keywords
blanks
oxide
coatings
adjacent surfaces
cupric oxide
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
GB11611/27A
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
Westinghouse Brake and Saxby 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, Westinghouse Brake and Saxby Signal Co Ltd filed Critical Westinghouse Brake and Signal Co Ltd
Publication of GB276622A publication Critical patent/GB276622A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D48/00Individual devices not covered by groups H10D1/00 - H10D44/00
    • H10D48/01Manufacture or treatment
    • H10D48/07Manufacture or treatment of devices having bodies comprising cuprous oxide [Cu2O] or cuprous iodide [CuI]
    • H10D48/071Preparation of the foundation plate, preliminary treatment oxidation of the foundation plate or reduction treatment
    • H10D48/074Oxidation and subsequent heat treatment of the foundation plate
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D48/00Individual devices not covered by groups H10D1/00 - H10D44/00
    • H10D48/01Manufacture or treatment
    • H10D48/07Manufacture or treatment of devices having bodies comprising cuprous oxide [Cu2O] or cuprous iodide [CuI]
    • H10D48/071Preparation of the foundation plate, preliminary treatment oxidation of the foundation plate or reduction treatment
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D48/00Individual devices not covered by groups H10D1/00 - H10D44/00
    • H10D48/01Manufacture or treatment
    • H10D48/07Manufacture or treatment of devices having bodies comprising cuprous oxide [Cu2O] or cuprous iodide [CuI]
    • H10D48/071Preparation of the foundation plate, preliminary treatment oxidation of the foundation plate or reduction treatment
    • H10D48/075Reduction of the copper oxide or treatment of the oxide layer

Landscapes

  • Braking Arrangements (AREA)
  • Manufacture Of Switches (AREA)
  • Contacts (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Primary Cells (AREA)
GB11611/27A 1925-09-10 1927-04-30 Improvements relating to current rectifying apparatus Expired GB276622A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US55523A US1892832A (en) 1925-09-10 1925-09-10 Process of preparing uni-directional current carrying devices
US131620A US1704734A (en) 1925-09-10 1926-08-26 Manufacture of electrical rectifiers

Publications (1)

Publication Number Publication Date
GB276622A true GB276622A (en) 1928-07-30

Family

ID=26734321

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11611/27A Expired GB276622A (en) 1925-09-10 1927-04-30 Improvements relating to current rectifying apparatus

Country Status (6)

Country Link
US (2) US1892832A (enrdf_load_stackoverflow)
BE (2) BE332988A (enrdf_load_stackoverflow)
DE (2) DE529305C (enrdf_load_stackoverflow)
FR (3) FR595909A (enrdf_load_stackoverflow)
GB (1) GB276622A (enrdf_load_stackoverflow)
NL (2) NL19973C (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2462218A (en) * 1945-04-17 1949-02-22 Bell Telephone Labor Inc Electrical translator and method of making it
US2496721A (en) * 1945-10-19 1950-02-07 Westinghouse Electric Corp Rectifier
DE972433C (de) * 1951-10-07 1959-07-23 Siemens Ag Verfahren zur Herstellung von Kupferoxydul-Gleichrichterscheiben
US2990300A (en) * 1957-12-16 1961-06-27 Mc Graw Edison Co Protective device

Also Published As

Publication number Publication date
FR32129E (fr) 1927-09-10
BE332988A (enrdf_load_stackoverflow) 1928-04-30
BE344478A (enrdf_load_stackoverflow) 1927-08-30
DE529305C (de) 1931-07-11
DE487733C (de) 1929-12-19
US1892832A (en) 1933-01-03
FR34002E (fr) 1929-04-29
NL19973C (enrdf_load_stackoverflow) 1929-05-15
US1704734A (en) 1929-03-12
NL23279C (enrdf_load_stackoverflow) 1930-12-15
FR595909A (fr) 1925-10-12

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