FR858998A - Procédé pour la fabrication de redresseurs au sélénium - Google Patents
Procédé pour la fabrication de redresseurs au séléniumInfo
- Publication number
- FR858998A FR858998A FR858998DA FR858998A FR 858998 A FR858998 A FR 858998A FR 858998D A FR858998D A FR 858998DA FR 858998 A FR858998 A FR 858998A
- Authority
- FR
- France
- Prior art keywords
- manufacture
- selenium rectifiers
- rectifiers
- selenium
- 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
Links
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 229910052711 selenium Inorganic materials 0.000 title 1
- 239000011669 selenium Substances 0.000 title 1
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
- H01L21/08—Preparation of the foundation plate
-
- 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
- H01L21/14—Treatment of the complete device, e.g. by electroforming to form a barrier
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/964—Roughened surface
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)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Electroplating Methods And Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES15120D DE922896C (de) | 1938-08-16 | 1938-08-16 | Verfahren zur Herstellung eines Selengleichrichters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR858998A true FR858998A (fr) | 1940-12-07 |
Family
ID=7474837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR858998D Expired FR858998A (fr) | 1938-08-16 | 1939-08-11 | Procédé pour la fabrication de redresseurs au sélénium |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2221614A (xx) |
| BE (1) | BE435957A (xx) |
| CH (1) | CH214717A (xx) |
| DE (1) | DE922896C (xx) |
| FR (1) | FR858998A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR962190A (xx) * | 1941-07-12 | 1950-06-02 | ||
| US2607832A (en) * | 1947-07-19 | 1952-08-19 | Vickers Inc | Devices which have selenium as constituent parts thereof |
| FR1067783A (fr) * | 1951-12-18 | 1954-06-18 | Int Standard Electric Corp | Surface redresseuse comportant du silicium ou du germanium |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2035022A (en) * | 1931-03-28 | 1936-03-24 | Sprague Specialties Co | Electrolytic device |
| GB433818A (en) * | 1933-05-31 | 1935-08-21 | Joseph Barry Brennan | Improvements in and relating to electrolytic devices |
| FR774344A (fr) * | 1934-03-15 | 1934-12-05 | Suddeutsche App Fabrik G M B H | Perfectionnements aux redresseurs avec métal redresseur disposé entre deux électrodes |
-
1938
- 1938-08-16 DE DES15120D patent/DE922896C/de not_active Expired
-
1939
- 1939-08-07 CH CH214717D patent/CH214717A/de unknown
- 1939-08-11 FR FR858998D patent/FR858998A/fr not_active Expired
- 1939-08-12 BE BE435957D patent/BE435957A/xx unknown
- 1939-08-12 US US289790A patent/US2221614A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE922896C (de) | 1955-01-27 |
| BE435957A (xx) | 1939-09-30 |
| US2221614A (en) | 1940-11-12 |
| CH214717A (de) | 1941-05-15 |
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