CH261491A - Verfahren zur Herstellung eines Kristallgleichrichters. - Google Patents
Verfahren zur Herstellung eines Kristallgleichrichters.Info
- Publication number
- CH261491A CH261491A CH261491DA CH261491A CH 261491 A CH261491 A CH 261491A CH 261491D A CH261491D A CH 261491DA CH 261491 A CH261491 A CH 261491A
- Authority
- CH
- Switzerland
- Prior art keywords
- manufacturing
- crystal rectifier
- rectifier
- crystal
- Prior art date
Links
- 239000013078 crystal Substances 0.000 title 1
- 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
-
- 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
- H01L21/18—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 elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
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)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB899741A GB592659A (en) | 1941-07-16 | Improvements in crystal contacts of which one element is germanium |
Publications (1)
Publication Number | Publication Date |
---|---|
CH261491A true CH261491A (de) | 1949-05-15 |
Family
ID=9863366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH261491D CH261491A (de) | 1941-07-16 | 1947-03-10 | Verfahren zur Herstellung eines Kristallgleichrichters. |
Country Status (4)
Country | Link |
---|---|
US (1) | US2588008A (de) |
BE (1) | BE471989A (de) |
CH (1) | CH261491A (de) |
FR (1) | FR944003A (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1157709B (de) * | 1953-12-10 | 1963-11-21 | Siemens Ag | Verfahren zum Herstellen eines Halbleiterbauelementes mit Spitzenkontaktelektroden auf polierter und dann aufgerauhter Oberflaeche des einkristallinen Halbleiterkoerpers |
DE1257536B (de) * | 1964-09-22 | 1967-12-28 | Bbc Brown Boveri & Cie | Verfahren zur Verbesserung der Benetzbarkeit von an Silizium-Halbleiterkoerpern anlegierten Goldkontakten |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES207331A1 (es) * | 1952-01-21 | 1953-03-01 | Sogo Kenkyujo Zh Sekitan | Un método de recuperar germanio desde carbones |
BE524399A (de) * | 1953-02-03 | |||
DE966879C (de) * | 1953-02-21 | 1957-09-12 | Standard Elektrik Ag | Verfahren zur Reinigung und/oder Abtragung von Halbleitermaterial, insbesondere von Germanium- und Siliziumsubstanz |
US2809103A (en) * | 1953-11-10 | 1957-10-08 | Sylvania Electric Prod | Fabrication of semiconductor elements |
US2827369A (en) * | 1953-12-23 | 1958-03-18 | Metallurg De Hoboken Soc Gen | Method of separating germanium from primary materials containing germanium and other, less volatile, elements |
US2885364A (en) * | 1955-05-31 | 1959-05-05 | Columbia Broadcasting Syst Inc | Method of treating semiconducting materials for electrical devices |
NL271850A (de) * | 1961-02-03 | |||
US3102786A (en) * | 1961-06-14 | 1963-09-03 | American Metal Climax Inc | Purification of germanium tetrachloride |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1708571A (en) * | 1925-02-21 | 1929-04-09 | Carborundum Co | Rectifying element |
GB523216A (en) * | 1938-12-28 | 1940-07-09 | Westinghouse Brake & Signal | Improvements relating to the manufacture of alternating current rectifiers |
US2402661A (en) * | 1941-03-01 | 1946-06-25 | Bell Telephone Labor Inc | Alternating current rectifier |
US2402839A (en) * | 1941-03-27 | 1946-06-25 | Bell Telephone Labor Inc | Electrical translating device utilizing silicon |
-
0
- BE BE471989D patent/BE471989A/xx unknown
-
1947
- 1947-03-10 CH CH261491D patent/CH261491A/de unknown
- 1947-03-27 FR FR944003D patent/FR944003A/fr not_active Expired
- 1947-07-29 US US764580A patent/US2588008A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1157709B (de) * | 1953-12-10 | 1963-11-21 | Siemens Ag | Verfahren zum Herstellen eines Halbleiterbauelementes mit Spitzenkontaktelektroden auf polierter und dann aufgerauhter Oberflaeche des einkristallinen Halbleiterkoerpers |
DE1257536B (de) * | 1964-09-22 | 1967-12-28 | Bbc Brown Boveri & Cie | Verfahren zur Verbesserung der Benetzbarkeit von an Silizium-Halbleiterkoerpern anlegierten Goldkontakten |
Also Published As
Publication number | Publication date |
---|---|
US2588008A (en) | 1952-03-04 |
FR944003A (fr) | 1949-03-24 |
BE471989A (de) |
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