[go: up one dir, main page]

GB619630A - Improvements in the manufacture of elements having an asymmetrical conductivity chiefly for selenium rectifiers - Google Patents

Improvements in the manufacture of elements having an asymmetrical conductivity chiefly for selenium rectifiers

Info

Publication number
GB619630A
GB619630A GB37113/46A GB3711346A GB619630A GB 619630 A GB619630 A GB 619630A GB 37113/46 A GB37113/46 A GB 37113/46A GB 3711346 A GB3711346 A GB 3711346A GB 619630 A GB619630 A GB 619630A
Authority
GB
United Kingdom
Prior art keywords
plate
elements
selenium
polished
chiefly
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
GB37113/46A
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.)
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
Publication of GB619630A publication Critical patent/GB619630A/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

Landscapes

  • Photovoltaic Devices (AREA)
GB37113/46A 1946-02-28 1946-12-17 Improvements in the manufacture of elements having an asymmetrical conductivity chiefly for selenium rectifiers Expired GB619630A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR619630X 1946-02-28

Publications (1)

Publication Number Publication Date
GB619630A true GB619630A (en) 1949-03-11

Family

ID=8983816

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37113/46A Expired GB619630A (en) 1946-02-28 1946-12-17 Improvements in the manufacture of elements having an asymmetrical conductivity chiefly for selenium rectifiers

Country Status (2)

Country Link
BE (1) BE470266A (de)
GB (1) GB619630A (de)

Also Published As

Publication number Publication date
BE470266A (de)

Similar Documents

Publication Publication Date Title
GB648038A (en) Improvements in or relating to electrical circuit elements, such as dry-contact rectifiers or light-sensitive devices
GB619630A (en) Improvements in the manufacture of elements having an asymmetrical conductivity chiefly for selenium rectifiers
JPS5349955A (en) Spin coating method
GB432619A (en) Improvements in dry contact alternating current rectifiers
JPS5321903A (en) Preparation of magnetic disc substrate
JPS51127680A (en) Manufacturing process of semiconductor device
JPS5331964A (en) Production of semiconductor substrates
GB575411A (en) Improvements in methods of manufacture of selenium elements
JPS51120712A (en) Positive type photo-resistant compound
GB590243A (en) Improvements in or relating to the manufacture of selenium elements such as rectifiers
JPS51126077A (en) Manufacturing method of semi-conductor equpment
JPS526380A (en) Abrasion resistant thin film
JPS5256901A (en) Formation of raised and recessed patterns
JPS5230178A (en) Semiconductor unit
JPS5225573A (en) Thin film formation method
JPS53107284A (en) Production of semiconductor device
GB564981A (en) Methods of making selenium elements such as for electric rectifiers
JPS5379469A (en) Manufacture of glass mold type semiconductor rectifying device
JPS5275276A (en) Production of semiconductor device
JPS5267983A (en) Semiconductor unit
JPS51118389A (en) Manufacturing process for senicondanctor unit
JPS542684A (en) Manufacture of charge transfer device
JPS5329668A (en) Production of semiconductor device
GB528296A (en) Method of manufacturing selenium rectifiers and photo-electric cells
JPS51112180A (en) Method for formation of the silcon oxide coated film