IT962432B - Dispositivo per riscaldare elettri camente una bacchetta di materiale semiconduttore che si ispessisce contemporaneamente in conseguen za di un processo di deposizione dalla fase gassosa - Google Patents
Dispositivo per riscaldare elettri camente una bacchetta di materiale semiconduttore che si ispessisce contemporaneamente in conseguen za di un processo di deposizione dalla fase gassosaInfo
- Publication number
- IT962432B IT962432B IT26617/72A IT2661772A IT962432B IT 962432 B IT962432 B IT 962432B IT 26617/72 A IT26617/72 A IT 26617/72A IT 2661772 A IT2661772 A IT 2661772A IT 962432 B IT962432 B IT 962432B
- Authority
- IT
- Italy
- Prior art keywords
- wand
- result
- semiconductor material
- deposition process
- gaseous phase
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
- G05F1/40—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices
- G05F1/44—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only
- G05F1/445—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only being transistors in series with the load
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
- G05F1/40—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices
- G05F1/44—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only
- G05F1/45—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load
- G05F1/455—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load with phase control
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712133863 DE2133863C3 (de) | 1971-07-07 | Vorrichtung zum Abscheiden von Halbleitermaterial aus der Gasphase an der Oberfläche eines erhitzten Halbleiterstabes |
Publications (1)
Publication Number | Publication Date |
---|---|
IT962432B true IT962432B (it) | 1973-12-20 |
Family
ID=5812968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT26617/72A IT962432B (it) | 1971-07-07 | 1972-07-05 | Dispositivo per riscaldare elettri camente una bacchetta di materiale semiconduttore che si ispessisce contemporaneamente in conseguen za di un processo di deposizione dalla fase gassosa |
Country Status (6)
Country | Link |
---|---|
US (1) | US3832626A (de) |
BE (1) | BE786005A (de) |
FR (1) | FR2147958B1 (de) |
GB (1) | GB1400762A (de) |
IT (1) | IT962432B (de) |
NL (1) | NL7207136A (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1465191A (en) * | 1974-03-29 | 1977-02-23 | Nat Res Dev | Automatically controlled crystal growth |
DE2753567C3 (de) * | 1977-12-01 | 1982-04-15 | Wacker-Chemitronic Gesellschaft für Elektronik-Grundstoffe mbH, 8263 Burghausen | Verfahren zur Herstellung von hochreinen Halbleitermaterialien und Reinstmetallen |
KR100201808B1 (ko) * | 1995-12-28 | 1999-06-15 | 윤종용 | 무선송신기의 고조파 억압용 저역통과 필터 |
US5844791A (en) * | 1997-06-30 | 1998-12-01 | Mte Corporation | Single-phase harmonic filter system |
US6768227B1 (en) * | 2003-01-22 | 2004-07-27 | Prodigit Electronics Co., Ltd. | Digital controlled power regulation device |
US20090250440A1 (en) * | 2008-04-04 | 2009-10-08 | Yap Tze-Yee Ryan | Out-of-phase electrical welder and process |
US8666504B2 (en) * | 2011-10-24 | 2014-03-04 | Boston Scientific Neuromodulation Corporation | Communication and charging circuitry for a single-coil implantable medical device |
CN112925373B (zh) * | 2021-01-27 | 2022-11-08 | 南京丹迪克电力仪表有限公司 | 多量程恒流源电路、多量程恒流源及控制方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1833867A (en) * | 1926-05-17 | 1931-11-24 | Dubilier Condenser Corp | Filter system |
US2015534A (en) * | 1933-05-27 | 1935-09-24 | Westinghouse Electric & Mfg Co | Filter system for mercury-arc rectifiers |
US2792317A (en) * | 1954-01-28 | 1957-05-14 | Westinghouse Electric Corp | Method of producing multiple p-n junctions |
US3319152A (en) * | 1963-12-19 | 1967-05-09 | Honeywell Inc | Scr switching circuit |
US3372328A (en) * | 1964-11-24 | 1968-03-05 | Honeywell Inc | Scr temperature control circuit |
US3447902A (en) * | 1966-04-04 | 1969-06-03 | Motorola Inc | Single crystal silicon rods |
US3532900A (en) * | 1966-08-31 | 1970-10-06 | Sola Basic Ind Inc | Dc squelch circuit |
US3538427A (en) * | 1968-05-13 | 1970-11-03 | Microdyne Inc | Alternating current constant rms voltage regulator |
US3700412A (en) * | 1968-12-06 | 1972-10-24 | Kokusai Electric Co Ltd | Crystal pulling apparatus having means for maintaining liquid solid crystal interface at a constant temperature |
GB1323441A (en) * | 1969-06-20 | 1973-07-18 | Matsushita Electric Ind Co Ltd | Converter for changing alternating current into direct current |
JPS5528200B1 (de) * | 1970-09-02 | 1980-07-25 |
-
1972
- 1972-05-26 NL NL7207136A patent/NL7207136A/xx unknown
- 1972-06-28 FR FR7223333A patent/FR2147958B1/fr not_active Expired
- 1972-07-05 US US00269154A patent/US3832626A/en not_active Expired - Lifetime
- 1972-07-05 IT IT26617/72A patent/IT962432B/it active
- 1972-07-07 GB GB3190972A patent/GB1400762A/en not_active Expired
- 1972-07-07 BE BE786005A patent/BE786005A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1400762A (en) | 1975-07-23 |
FR2147958B1 (de) | 1975-08-29 |
BE786005A (fr) | 1972-11-03 |
NL7207136A (de) | 1973-01-09 |
FR2147958A1 (de) | 1973-03-11 |
US3832626A (en) | 1974-08-27 |
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