BE454483A - - Google Patents
Info
- Publication number
- BE454483A BE454483A BE454483DA BE454483A BE 454483 A BE454483 A BE 454483A BE 454483D A BE454483D A BE 454483DA BE 454483 A BE454483 A BE 454483A
- Authority
- BE
- Belgium
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
- H01L21/10—Preliminary treatment of the selenium or tellurium, its application to the foundation plate, or the subsequent treatment of the combination
-
- 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
- H01L21/10—Preliminary treatment of the selenium or tellurium, its application to the foundation plate, or the subsequent treatment of the combination
- H01L21/103—Conversion of the selenium or tellurium to the conductive state
-
- 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
- H01L21/10—Preliminary treatment of the selenium or tellurium, its application to the foundation plate, or the subsequent treatment of the combination
- H01L21/105—Treatment of the surface of the selenium or tellurium layer after having been made conductive
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)
- Battery Electrode And Active Subsutance (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL242446X | 1943-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE454483A true BE454483A (de) |
Family
ID=19780647
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE454483D BE454483A (de) | 1943-02-22 |
Country Status (4)
Country | Link |
---|---|
US (1) | US2443878A (de) |
BE (1) | BE454483A (de) |
CH (1) | CH242446A (de) |
FR (1) | FR902077A (de) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2121603A (en) * | 1936-05-30 | 1938-06-21 | Westinghouse Electric & Mfg Co | Method of producing selenium rectifiers |
NL68904C (de) * | 1938-11-26 | |||
US2339613A (en) * | 1942-02-27 | 1944-01-18 | Bell Telephone Labor Inc | Selenium rectifier and method of making it |
-
0
- BE BE454483D patent/BE454483A/xx unknown
-
1944
- 1944-02-19 CH CH242446D patent/CH242446A/de unknown
- 1944-02-21 FR FR902077D patent/FR902077A/fr not_active Expired
-
1945
- 1945-09-21 US US617918A patent/US2443878A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2443878A (en) | 1948-06-22 |
CH242446A (de) | 1946-05-15 |
FR902077A (fr) | 1945-08-17 |