FR640946A - Perfectionnement aux rectificateurs électriques à contact - Google Patents

Perfectionnement aux rectificateurs électriques à contact

Info

Publication number
FR640946A
FR640946A FR640946DA FR640946A FR 640946 A FR640946 A FR 640946A FR 640946D A FR640946D A FR 640946DA FR 640946 A FR640946 A FR 640946A
Authority
FR
France
Prior art keywords
electric contact
further training
contact rectifiers
rectifiers
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)
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Corp, Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of FR640946A publication Critical patent/FR640946A/fr
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
    • H10D48/075Reduction of the copper oxide or treatment of the oxide layer
    • 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
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02518Deposited layers
    • H01L21/02521Materials
    • H01L21/02565Oxide semiconducting materials not being Group 12/16 materials, e.g. ternary compounds
    • 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
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02612Formation types
    • H01L21/02614Transformation 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)
  • Chemical Treatment Of Metals (AREA)
  • Rectifiers (AREA)
  • Powder Metallurgy (AREA)
FR640946D 1926-09-16 1927-09-07 Perfectionnement aux rectificateurs électriques à contact Expired FR640946A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US135899A US1901563A (en) 1926-09-16 1926-09-16 Copper oxide rectifier

Publications (1)

Publication Number Publication Date
FR640946A true FR640946A (fr) 1928-07-24

Family

ID=22470267

Family Applications (1)

Application Number Title Priority Date Filing Date
FR640946D Expired FR640946A (fr) 1926-09-16 1927-09-07 Perfectionnement aux rectificateurs électriques à contact

Country Status (6)

Country Link
US (1) US1901563A (en, 2012)
BE (1) BE344525A (en, 2012)
DE (1) DE533446C (en, 2012)
FR (1) FR640946A (en, 2012)
GB (1) GB277684A (en, 2012)
NL (1) NL21710C (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2699522A (en) * 1952-01-04 1955-01-11 Robert G Breckenridge Titanium dioxide rectifier
DE1252035B (en, 2012) * 1957-08-16 1967-10-12

Also Published As

Publication number Publication date
GB277684A (en) 1927-10-27
US1901563A (en) 1933-03-14
NL21710C (en, 2012) 1900-01-01
BE344525A (en, 2012) 1900-01-01
DE533446C (de) 1931-09-16

Similar Documents

Publication Publication Date Title
FR640946A (fr) Perfectionnement aux rectificateurs électriques à contact
FR629830A (fr) Perfectionnement aux servo-moteurs
FR647458A (fr) Perfectionnement aux redresseurs à contact
FR631797A (fr) Perfectionnement aux isolants électriques
FR654690A (fr) Perfectionnements aux redresseurs électriques
FR616431A (fr) Perfectionnement aux accumulateurs électriques
FR639205A (fr) Perfectionnement aux compresseurs-mélangeurs
FR625647A (fr) Perfectionnement aux machines à agrafer
FR657553A (fr) Perfectionnement aux vis transporteuses
FR38560E (fr) Perfectionnement aux machines électriques
FR657242A (fr) Perfectionnement aux transformateurs électriques
FR637932A (fr) Perfectionnement aux machines sécheuses-repasseuses
FR619225A (fr) Perfectionnement aux fours électriques
FR581207A (fr) Perfectionnement aux voitures électriques
FR653239A (fr) Perfectionnement aux presses à raquettes
FR638018A (fr) Perfectionnement aux transporteurs à câbles
BE349326A (fr) Perfectionnement aux presses à raquettes
FR633845A (fr) Perfectionnement aux aéromoteurs
FR625783A (fr) Perfectionnement aux horloges électriques
FR666214A (fr) Perfectionnements aux matières isolantes électriques
FR554564A (fr) Perfectionnement aux appareils intégrateurs
FR639964A (fr) Perfectionnement aux pigeonniers
FR609975A (fr) Perfectionnements aux redresseurs électriques
FR598699A (fr) Perfectionnement aux faucheuses-lieuses
FR30828E (fr) Perfectionnement aux faucheuses-lieuses