GB532961A - Improvements relating to the manufacture of alternating electric current dry rectifiers - Google Patents
Improvements relating to the manufacture of alternating electric current dry rectifiersInfo
- Publication number
- GB532961A GB532961A GB22590/39A GB2259039A GB532961A GB 532961 A GB532961 A GB 532961A GB 22590/39 A GB22590/39 A GB 22590/39A GB 2259039 A GB2259039 A GB 2259039A GB 532961 A GB532961 A GB 532961A
- Authority
- GB
- United Kingdom
- Prior art keywords
- manufacture
- selenium
- electric current
- alternating electric
- improvements relating
- 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 abstract 2
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 abstract 3
- 229910052711 selenium Inorganic materials 0.000 abstract 3
- 239000011669 selenium Substances 0.000 abstract 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000005864 Sulphur Substances 0.000 abstract 1
- JPJALAQPGMAKDF-UHFFFAOYSA-N selenium dioxide Chemical compound O=[Se]=O JPJALAQPGMAKDF-UHFFFAOYSA-N 0.000 abstract 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/08—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using solid propellants
- F02K9/10—Shape or structure of solid propellant charges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/08—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using solid propellants
- F02K9/32—Constructional parts; Details not otherwise provided for
- F02K9/34—Casings; Combustion chambers; Liners thereof
-
- 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)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Apparatuses And Processes For Manufacturing Resistors (AREA)
- Motor Or Generator Current Collectors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR532961T | 1938-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB532961A true GB532961A (en) | 1941-02-04 |
Family
ID=8924756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB22590/39A Expired GB532961A (en) | 1938-09-21 | 1939-08-03 | Improvements relating to the manufacture of alternating electric current dry rectifiers |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2227827A (de) |
| DE (1) | DE856664C (de) |
| FR (1) | FR851651A (de) |
| GB (1) | GB532961A (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2447630A (en) * | 1943-11-10 | 1948-08-24 | Westinghouse Electric Corp | Method of making selenium rectifiers |
| NL70500C (de) * | 1943-12-15 | 1900-01-01 | Westinghouse Electric Corp | |
| US2493241A (en) * | 1944-11-11 | 1950-01-03 | Fansteel Metallurgical Corp | Dry plate selenium rectifier |
| US2422192A (en) * | 1944-11-11 | 1947-06-17 | Selenium rectifier disc | |
| US2446467A (en) * | 1944-11-11 | 1948-08-03 | Fansteel Metallurgical Corp | Dry plate rectifier |
| US2446237A (en) * | 1944-11-11 | 1948-08-03 | Fansteel Metallurgical Corp | Selenium rectifier |
| BE461942A (de) * | 1944-11-20 | |||
| US2450886A (en) * | 1944-11-20 | 1948-10-12 | Standard Telephones Cables Ltd | Semiconductor |
| BE474674A (de) * | 1945-05-12 | |||
| US2554237A (en) * | 1945-10-29 | 1951-05-22 | Westinghouse Electric Corp | Rectifier |
| US2507782A (en) * | 1946-02-23 | 1950-05-16 | Radio Receptor Company Inc | Rectifiers |
| US2766210A (en) * | 1949-05-06 | 1956-10-09 | Sylvania Electric Prod | Manufacture of selenium elements |
| US2659846A (en) * | 1951-05-15 | 1953-11-17 | Int Rectifier Corp | Selenium element and method of making it |
| NL93089C (de) * | 1953-02-03 | |||
| US3127545A (en) * | 1960-12-23 | 1964-03-31 | Gen Telephone & Elect | Rectifier |
| US3226610A (en) * | 1962-03-01 | 1965-12-28 | Jr George G Harman | Constant-current semiconductor device |
| MXPA05002669A (es) * | 2002-09-13 | 2005-08-19 | Ocular Sciences Inc | Dispositivos y metodos para mejorar la vision. |
| CN101018513B (zh) * | 2004-08-13 | 2011-11-16 | 渥太华健康研究所 | 视力增强眼科器件及相关方法和组合物 |
| US7802592B2 (en) | 2006-04-18 | 2010-09-28 | Fisher Controls International, Llc | Fluid pressure reduction devices |
-
1938
- 1938-09-21 FR FR851651D patent/FR851651A/fr not_active Expired
-
1939
- 1939-03-16 US US262233A patent/US2227827A/en not_active Expired - Lifetime
- 1939-08-01 DE DEW3256D patent/DE856664C/de not_active Expired
- 1939-08-03 GB GB22590/39A patent/GB532961A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2227827A (en) | 1941-01-07 |
| FR851651A (fr) | 1940-01-12 |
| DE856664C (de) | 1952-11-24 |
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