FR934443A - Perfectionnements à la fabrication des éléments redresseurs - Google Patents
Perfectionnements à la fabrication des éléments redresseursInfo
- Publication number
- FR934443A FR934443A FR934443DA FR934443A FR 934443 A FR934443 A FR 934443A FR 934443D A FR934443D A FR 934443DA FR 934443 A FR934443 A FR 934443A
- Authority
- FR
- France
- Prior art keywords
- manufacture
- straightening elements
- straightening
- elements
- 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
- 238000004519 manufacturing process Methods 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
- H01L21/10—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
- H01L21/105—Treatment of the surface of the selenium or tellurium layer after having been made conductive
-
- 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
- H01L21/108—Provision of discrete insulating layers, i.e. non-genetic barrier layers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Biotechnology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Rectifiers (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
- Electroplating Methods And Accessories (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US593542A US2462917A (en) | 1945-05-12 | 1945-05-12 | Method of manufacturing rectifier elements |
US605617A US2468131A (en) | 1945-05-12 | 1945-07-17 | Method of manufacturing rectifier elements |
Publications (1)
Publication Number | Publication Date |
---|---|
FR934443A true FR934443A (fr) | 1948-05-21 |
Family
ID=27081729
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR934441D Expired FR934441A (fr) | 1945-05-12 | 1946-10-10 | Perfectionnements aux méthodes de fabrication d'éléments redresseurs |
FR934443D Expired FR934443A (fr) | 1945-05-12 | 1946-10-10 | Perfectionnements à la fabrication des éléments redresseurs |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR934441D Expired FR934441A (fr) | 1945-05-12 | 1946-10-10 | Perfectionnements aux méthodes de fabrication d'éléments redresseurs |
Country Status (6)
Country | Link |
---|---|
US (2) | US2462917A (fr) |
BE (3) | BE467627A (fr) |
CH (1) | CH268668A (fr) |
DE (1) | DE846738C (fr) |
FR (2) | FR934441A (fr) |
GB (1) | GB610999A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1118887B (de) * | 1959-04-13 | 1961-12-07 | Licentia Gmbh | Verfahren zur Herstellung von Selentrockengleichrichtern |
DE1160108B (de) * | 1960-09-14 | 1963-12-27 | Langbein Pfanhauser Werke Ag | Verfahren zur Herstellung von Selen-Trockengleichrichtern auf einer glatten Traegerelektrode |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB302177A (fr) * | 1927-12-10 | 1929-12-12 | Sueddeutsche Telefon-Apparate, Kabel- Und Drahtwerke, Aktiengesellschaft | |
NL53994C (fr) * | 1937-06-25 | 1900-01-01 | ||
US2288318A (en) * | 1937-12-29 | 1942-06-30 | Du Pont | Electroplating process |
NL57635C (fr) * | 1938-09-09 | |||
FR851651A (fr) * | 1938-09-21 | 1940-01-12 | Westinghouse Freins & Signaux | Perfectionnements à la fabrication de dispositifs à conductibilité asymétrique |
GB523216A (en) * | 1938-12-28 | 1940-07-09 | Westinghouse Brake & Signal | Improvements relating to the manufacture of alternating current rectifiers |
US2375355A (en) * | 1940-05-17 | 1945-05-08 | Bolidens Gruv Ab | Selenium rectifier |
US2391706A (en) * | 1940-10-10 | 1945-12-25 | Battelle Memorial Institute | Method of forming blocking layers on selenium coated plates |
US2406072A (en) * | 1941-02-15 | 1946-08-20 | Univ Ohio State Res Found | Electrodeposition of metals and bath composition therefor |
BE462161A (fr) * | 1943-06-25 |
-
0
- BE BE474674D patent/BE474674A/xx unknown
- BE BE476268D patent/BE476268A/xx unknown
- BE BE467627D patent/BE467627A/xx unknown
-
1945
- 1945-05-12 US US593542A patent/US2462917A/en not_active Expired - Lifetime
- 1945-07-17 US US605617A patent/US2468131A/en not_active Expired - Lifetime
-
1946
- 1946-04-18 GB GB12047/46A patent/GB610999A/en not_active Expired
- 1946-10-10 FR FR934441D patent/FR934441A/fr not_active Expired
- 1946-10-10 FR FR934443D patent/FR934443A/fr not_active Expired
- 1946-12-23 CH CH268668D patent/CH268668A/fr unknown
-
1950
- 1950-10-01 DE DEF4320A patent/DE846738C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB610999A (en) | 1948-10-22 |
BE476268A (fr) | |
US2468131A (en) | 1949-04-26 |
CH268668A (fr) | 1950-05-31 |
US2462917A (en) | 1949-03-01 |
FR934441A (fr) | 1948-05-21 |
DE846738C (de) | 1952-08-18 |
BE467627A (fr) | |
BE474674A (fr) |
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