FR51009E - Improvements in the fabrication of asymmetric conductivity devices - Google Patents

Improvements in the fabrication of asymmetric conductivity devices

Info

Publication number
FR51009E
FR51009E FR51009DA FR51009E FR 51009 E FR51009 E FR 51009E FR 51009D A FR51009D A FR 51009DA FR 51009 E FR51009 E FR 51009E
Authority
FR
France
Prior art keywords
fabrication
conductivity devices
asymmetric conductivity
asymmetric
devices
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.)
Compagnie des Freins et Signaux Westinghouse SA
Original Assignee
Compagnie des Freins et Signaux Westinghouse SA
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 Compagnie des Freins et Signaux Westinghouse SA filed Critical Compagnie des Freins et Signaux Westinghouse SA
Application granted granted Critical
Publication of FR51009E publication Critical patent/FR51009E/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
    • H01L21/16—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

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)
  • Electroplating Methods And Accessories (AREA)
FR51009D 1938-06-15 1939-05-13 Improvements in the fabrication of asymmetric conductivity devices Expired FR51009E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US213876A US2197632A (en) 1938-06-15 1938-06-15 Electrical rectifier

Publications (1)

Publication Number Publication Date
FR51009E true FR51009E (en) 1941-05-28

Family

ID=22796848

Family Applications (3)

Application Number Title Priority Date Filing Date
FR848927D Expired FR848927A (en) 1938-06-15 1939-01-16 Improvements in the fabrication of asymmetric conductivity devices
FR51009D Expired FR51009E (en) 1938-06-15 1939-05-13 Improvements in the fabrication of asymmetric conductivity devices
FR51016D Expired FR51016E (en) 1938-06-15 1939-12-05 Improvements in the fabrication of asymmetric conductivity devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR848927D Expired FR848927A (en) 1938-06-15 1939-01-16 Improvements in the fabrication of asymmetric conductivity devices

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR51016D Expired FR51016E (en) 1938-06-15 1939-12-05 Improvements in the fabrication of asymmetric conductivity devices

Country Status (3)

Country Link
US (1) US2197632A (en)
FR (3) FR848927A (en)
GB (2) GB521827A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432423A (en) * 1966-10-07 1969-03-11 Gen Dynamics Corp Electroplating apparatus
US4445942A (en) * 1979-11-26 1984-05-01 General Electric Company Method for forming nuclear fuel containers of a composite construction and the product thereof

Also Published As

Publication number Publication date
US2197632A (en) 1940-04-16
GB523858A (en) 1940-07-24
FR848927A (en) 1939-11-09
GB521827A (en) 1940-05-31
FR51016E (en) 1941-05-28

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