FR858998A - Process for the manufacture of selenium rectifiers - Google Patents

Process for the manufacture of selenium rectifiers

Info

Publication number
FR858998A
FR858998A FR858998DA FR858998A FR 858998 A FR858998 A FR 858998A FR 858998D A FR858998D A FR 858998DA FR 858998 A FR858998 A FR 858998A
Authority
FR
France
Prior art keywords
manufacture
selenium rectifiers
rectifiers
selenium
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
Other languages
French (fr)
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.)
Hermes Patentverwertungs GmbH
Original Assignee
Hermes Patentverwertungs GmbH
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 Hermes Patentverwertungs GmbH filed Critical Hermes Patentverwertungs GmbH
Application granted granted Critical
Publication of FR858998A publication Critical patent/FR858998A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture 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
    • H01L21/06—Manufacture 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
    • H01L21/08—Preparation of the foundation plate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture 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
    • H01L21/06—Manufacture 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
    • H01L21/14—Treatment of the complete device, e.g. by electroforming to form a barrier
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S438/00—Semiconductor device manufacturing: process
    • Y10S438/964—Roughened surface

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)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Electroplating Methods And Accessories (AREA)
FR858998D 1938-08-16 1939-08-11 Process for the manufacture of selenium rectifiers Expired FR858998A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES15120D DE922896C (en) 1938-08-16 1938-08-16 Method of manufacturing a selenium rectifier

Publications (1)

Publication Number Publication Date
FR858998A true FR858998A (en) 1940-12-07

Family

ID=7474837

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858998D Expired FR858998A (en) 1938-08-16 1939-08-11 Process for the manufacture of selenium rectifiers

Country Status (5)

Country Link
US (1) US2221614A (en)
BE (1) BE435957A (en)
CH (1) CH214717A (en)
DE (1) DE922896C (en)
FR (1) FR858998A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR962190A (en) * 1941-07-12 1950-06-02
US2607832A (en) * 1947-07-19 1952-08-19 Vickers Inc Devices which have selenium as constituent parts thereof
BE516298A (en) * 1951-12-18

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2035022A (en) * 1931-03-28 1936-03-24 Sprague Specialties Co Electrolytic device
GB433818A (en) * 1933-05-31 1935-08-21 Joseph Barry Brennan Improvements in and relating to electrolytic devices
FR774344A (en) * 1934-03-15 1934-12-05 Suddeutsche App Fabrik G M B H Improvements to rectifiers with metal rectifier placed between two electrodes

Also Published As

Publication number Publication date
CH214717A (en) 1941-05-15
DE922896C (en) 1955-01-27
US2221614A (en) 1940-11-12
BE435957A (en) 1939-09-30

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