GB565320A - Improvements in the manufacture of selenium electric rectifiers - Google Patents

Improvements in the manufacture of selenium electric rectifiers

Info

Publication number
GB565320A
GB565320A GB19378/43A GB1937843A GB565320A GB 565320 A GB565320 A GB 565320A GB 19378/43 A GB19378/43 A GB 19378/43A GB 1937843 A GB1937843 A GB 1937843A GB 565320 A GB565320 A GB 565320A
Authority
GB
United Kingdom
Prior art keywords
selenium
manufacture
nov
chromic acid
electric rectifiers
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
GB19378/43A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB565320A publication Critical patent/GB565320A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D48/00—Individual devices not covered by groups H10D1/00 - H10D44/00
    • H10D48/01—Manufacture or treatment
    • H10D48/04—Manufacture or treatment of devices having bodies comprising selenium or tellurium in uncombined form
    • H10D48/043—Preliminary treatment of the selenium or tellurium, its application to foundation plates or the subsequent treatment of the combination
    • H10D48/045—Treatment of the surface of the selenium or tellurium layer after having been made conductive
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/26—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials using liquid deposition
    • H10P14/263—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials using liquid deposition using melted materials
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/34—Deposited materials, e.g. layers
    • H10P14/3402—Deposited materials, e.g. layers characterised by the chemical composition
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/38—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by treatments done after the formation of the materials
    • H10P14/3802—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
GB19378/43A 1942-11-21 1943-11-19 Improvements in the manufacture of selenium electric rectifiers Expired GB565320A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US466489A US2429655A (en) 1942-11-21 1942-11-21 Selenium element and treatment

Publications (1)

Publication Number Publication Date
GB565320A true GB565320A (en) 1944-11-06

Family

ID=23851947

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19378/43A Expired GB565320A (en) 1942-11-21 1943-11-19 Improvements in the manufacture of selenium electric rectifiers

Country Status (3)

Country Link
US (1) US2429655A (enExample)
BE (1) BE462163A (enExample)
GB (1) GB565320A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2655626A (en) * 1949-07-11 1953-10-13 Fansteel Metallurgical Corp Selenium rectifier

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1645927A (en) * 1926-03-05 1927-10-18 Metals Prot Corp Chromium plating
US1774269A (en) * 1929-05-10 1930-08-26 Metals Prot Corp Plating process
US2391706A (en) * 1940-10-10 1945-12-25 Battelle Memorial Institute Method of forming blocking layers on selenium coated plates

Also Published As

Publication number Publication date
US2429655A (en) 1947-10-28
BE462163A (enExample) 1900-01-01

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