FR647458A - Perfectionnement aux redresseurs à contact - Google Patents

Perfectionnement aux redresseurs à contact

Info

Publication number
FR647458A
FR647458A FR647458DA FR647458A FR 647458 A FR647458 A FR 647458A FR 647458D A FR647458D A FR 647458DA FR 647458 A FR647458 A FR 647458A
Authority
FR
France
Prior art keywords
further training
contact rectifiers
rectifiers
contact
training
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
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.)
CBS Corp
Original Assignee
Westinghouse Electric and Manufacturing Co
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 Electric and Manufacturing Co filed Critical Westinghouse Electric and Manufacturing Co
Application granted granted Critical
Publication of FR647458A publication Critical patent/FR647458A/fr
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
    • H01L21/16—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 cuprous oxide or cuprous iodide
    • H01L21/161—Preparation of the foundation plate, preliminary treatment oxidation of the foundation plate, reduction treatment
    • H01L21/165—Reduction of the copper oxide, treatment of the oxide layer
    • 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
    • H01L21/02104—Forming layers
    • H01L21/02365—Forming inorganic semiconducting materials on a substrate
    • H01L21/02518—Deposited layers
    • H01L21/02521—Materials
    • H01L21/02565—Oxide semiconducting materials not being Group 12/16 materials, e.g. ternary compounds
    • 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
    • H01L21/02104—Forming layers
    • H01L21/02365—Forming inorganic semiconducting materials on a substrate
    • H01L21/02612—Formation types
    • H01L21/02614—Transformation of metal, e.g. oxidation, nitridation

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)
  • Electrolytic Production Of Metals (AREA)
  • Thermistors And Varistors (AREA)
  • Chemical Treatment Of Metals (AREA)
FR647458D 1927-01-19 1928-01-18 Perfectionnement aux redresseurs à contact Expired FR647458A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US162078A US1749549A (en) 1927-01-19 1927-01-19 Rectifier

Publications (1)

Publication Number Publication Date
FR647458A true FR647458A (fr) 1928-11-24

Family

ID=22584071

Family Applications (1)

Application Number Title Priority Date Filing Date
FR647458D Expired FR647458A (fr) 1927-01-19 1928-01-18 Perfectionnement aux redresseurs à contact

Country Status (4)

Country Link
US (1) US1749549A (fr)
DE (1) DE505639C (fr)
FR (1) FR647458A (fr)
GB (1) GB283901A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE851526C (de) * 1948-10-01 1952-10-06 Siemens Ag Verfahren zur Herstellung von Kupferoxydul-Trockengleichrichtern
US5104494A (en) * 1991-07-02 1992-04-14 Rockwell International Corp. Method of restoring solderability

Also Published As

Publication number Publication date
DE505639C (de) 1930-08-21
US1749549A (en) 1930-03-04
GB283901A (en) 1928-03-15

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