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
Application number
Priority date (The priority date 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 date listed.)
Publication of BE503719A publication Critical patent/BE503719A/xx
Priority claimed from US239609A external-priority patent/US2656496A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-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
    • C30B15/00Single-crystal growth by pulling from a melt, e.g. Czochralski method
    • C30B15/02Single-crystal growth by pulling from a melt, e.g. Czochralski method adding crystallising materials or reactants forming it in situ to the melt
    • C30B15/04Single-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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture 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
    • H01L21/18Manufacture 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
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/302Treatment 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
    • H01L21/306Chemical or electrical treatment, e.g. electrolytic etching
    • H01L21/3063Electrolytic 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)
BE503719D 1950-06-15 BE503719A (it)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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

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