BE503719A - - Google Patents
Info
- Publication number
- BE503719A BE503719A BE503719DA BE503719A BE 503719 A BE503719 A BE 503719A BE 503719D A BE503719D A BE 503719DA BE 503719 A BE503719 A BE 503719A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
- C30B15/02—Single-crystal growth by pulling from a melt, e.g. Czochralski method adding crystallising materials or reactants forming it in situ to the melt
- C30B15/04—Single-crystal growth by pulling from a melt, e.g. Czochralski method adding crystallising materials or reactants forming it in situ to the melt adding doping materials, e.g. for n-p-junction
-
- 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
- H01L21/3063—Electrolytic etching
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US168184A US2727840A (en) | 1950-06-15 | 1950-06-15 | Methods of producing semiconductive bodies |
US239609A US2656496A (en) | 1951-07-31 | 1951-07-31 | Semiconductor translating device |
Publications (1)
Publication Number | Publication Date |
---|---|
BE503719A true BE503719A (it) |
Family
ID=26863873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE503719D BE503719A (it) | 1950-06-15 |
Country Status (6)
Country | Link |
---|---|
US (1) | US2727840A (it) |
BE (1) | BE503719A (it) |
DE (1) | DE944209C (it) |
FR (1) | FR1036842A (it) |
GB (1) | GB706858A (it) |
NL (1) | NL88324C (it) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2841860A (en) * | 1952-08-08 | 1958-07-08 | Sylvania Electric Prod | Semiconductor devices and methods |
US2845372A (en) * | 1954-05-10 | 1958-07-29 | Texas Instruments Inc | Grown junction type transistors and method of making same |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2768914A (en) * | 1951-06-29 | 1956-10-30 | Bell Telephone Labor Inc | Process for producing semiconductive crystals of uniform resistivity |
US2840494A (en) * | 1952-12-31 | 1958-06-24 | Henry W Parker | Manufacture of transistors |
DE973231C (de) * | 1953-01-20 | 1959-12-24 | Telefunken Gmbh | Verfahren zur Herstellung von Einkristallen durch Ziehen aus einer Schmelze |
US3094634A (en) * | 1953-06-30 | 1963-06-18 | Rca Corp | Radioactive batteries |
US2851341A (en) * | 1953-07-08 | 1958-09-09 | Shirley I Weiss | Method and equipment for growing crystals |
DE1032852B (de) * | 1953-11-24 | 1958-06-26 | Siemens Und Halske Ag | Verfahren und Einrichtung zur Herstellung von Halbleiterkristallen nach dem Kristallziehverfahren aus der Schmelze |
US2743200A (en) * | 1954-05-27 | 1956-04-24 | Bell Telephone Labor Inc | Method of forming junctions in silicon |
US2950219A (en) * | 1955-02-23 | 1960-08-23 | Rauland Corp | Method of manufacturing semiconductor crystals |
US3173765A (en) * | 1955-03-18 | 1965-03-16 | Itt | Method of making crystalline silicon semiconductor material |
US2921362A (en) * | 1955-06-27 | 1960-01-19 | Honeywell Regulator Co | Process for the production of semiconductor devices |
US2935478A (en) * | 1955-09-06 | 1960-05-03 | Gen Electric Co Ltd | Production of semi-conductor bodies |
US2996918A (en) * | 1955-12-27 | 1961-08-22 | Ibm | Junction transistor thermostat |
US2889240A (en) * | 1956-03-01 | 1959-06-02 | Rca Corp | Method and apparatus for growing semi-conductive single crystals from a melt |
NL218610A (it) * | 1956-07-02 | |||
US2975036A (en) * | 1956-10-05 | 1961-03-14 | Motorola Inc | Crystal pulling apparatus |
US3002821A (en) * | 1956-10-22 | 1961-10-03 | Texas Instruments Inc | Means for continuous fabrication of graded junction transistors |
US3070465A (en) * | 1957-07-26 | 1962-12-25 | Sony Corp | Method of manufacturing a grown type semiconductor device |
DE1077187B (de) * | 1958-11-13 | 1960-03-10 | Werk Fuer Bauelemente Der Nach | Verfahren zur Herstellung von Einkristallen aus halbleitenden Stoffen |
DE1227874B (de) * | 1959-04-10 | 1966-11-03 | Itt Ind Ges Mit Beschraenkter | Verfahren zum Herstellen von n-dotierten Siliciumeinkristallen |
DE1130414B (de) * | 1959-04-10 | 1962-05-30 | Elektronik M B H | Verfahren und Vorrichtung zum Ziehen von Einkristallen |
DE1140547B (de) * | 1959-04-27 | 1962-12-06 | Siemens Ag | Verfahren zum Herstellen von kristallinen Halbleiterkoerpern mit grosser Lebensdauer der Minoritaetstraeger |
DE1191789B (de) * | 1960-10-25 | 1965-04-29 | Siemens Ag | Verfahren zum Ziehen von vorzugsweise einkristallinen Halbleiterstaeben |
DE2548046C3 (de) * | 1975-10-27 | 1982-12-02 | Wacker-Chemitronic Gesellschaft für Elektronik-Grundstoffe mbH, 8263 Burghausen | Verfahren zum Ziehen einkristalliner Siliciumstäbe |
US4627887A (en) * | 1980-12-11 | 1986-12-09 | Sachs Emanuel M | Melt dumping in string stabilized ribbon growth |
US4352785A (en) * | 1982-01-04 | 1982-10-05 | Western Electric Co., Inc. | Crystal grower with torque supportive collapsible pulling mechanism |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2631356A (en) * | 1953-03-17 | Method of making p-n junctions | ||
FR957542A (it) * | 1941-04-04 | 1950-02-23 | ||
NL67322C (it) * | 1941-12-19 | |||
US2514879A (en) * | 1945-07-13 | 1950-07-11 | Purdue Research Foundation | Alloys and rectifiers made thereof |
US2505633A (en) * | 1946-03-18 | 1950-04-25 | Purdue Research Foundation | Alloys of germanium and method of making same |
US2504628A (en) * | 1946-03-23 | 1950-04-18 | Purdue Research Foundation | Electrical device with germanium alloys |
US2447829A (en) * | 1946-08-14 | 1948-08-24 | Purdue Research Foundation | Germanium-helium alloys and rectifiers made therefrom |
US2567970A (en) * | 1947-12-24 | 1951-09-18 | Bell Telephone Labor Inc | Semiconductor comprising silicon and method of making it |
-
0
- BE BE503719D patent/BE503719A/xx unknown
- NL NL88324D patent/NL88324C/xx active
-
1950
- 1950-06-15 US US168184A patent/US2727840A/en not_active Expired - Lifetime
-
1951
- 1951-05-08 FR FR1036842D patent/FR1036842A/fr not_active Expired
- 1951-05-12 DE DEW5787A patent/DE944209C/de not_active Expired
- 1951-06-08 GB GB13634/51A patent/GB706858A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2841860A (en) * | 1952-08-08 | 1958-07-08 | Sylvania Electric Prod | Semiconductor devices and methods |
US2845372A (en) * | 1954-05-10 | 1958-07-29 | Texas Instruments Inc | Grown junction type transistors and method of making same |
Also Published As
Publication number | Publication date |
---|---|
DE944209C (de) | 1956-06-07 |
FR1036842A (fr) | 1953-09-11 |
NL88324C (it) | |
GB706858A (en) | 1954-04-07 |
US2727840A (en) | 1955-12-20 |