FR2143743A1 - - Google Patents

Info

Publication number
FR2143743A1
FR2143743A1 FR7222752A FR7222752A FR2143743A1 FR 2143743 A1 FR2143743 A1 FR 2143743A1 FR 7222752 A FR7222752 A FR 7222752A FR 7222752 A FR7222752 A FR 7222752A FR 2143743 A1 FR2143743 A1 FR 2143743A1
Authority
FR
France
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.)
Granted
Application number
FR7222752A
Other languages
French (fr)
Other versions
FR2143743B1 (https=
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Corp
Original Assignee
Siemens Corp
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.)
Filing date
Publication date
Priority claimed from DE19712132277 external-priority patent/DE2132277A1/de
Priority claimed from DE19712132338 external-priority patent/DE2132338A1/de
Application filed by Siemens Corp filed Critical Siemens Corp
Publication of FR2143743A1 publication Critical patent/FR2143743A1/fr
Application granted granted Critical
Publication of FR2143743B1 publication Critical patent/FR2143743B1/fr
Expired legal-status Critical Current

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
    • C30B15/14—Heating of the melt or the crystallised materials
    • C30B15/16—Heating of the melt or the crystallised materials by irradiation or electric discharge
    • 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
    • C30B15/36—Single-crystal growth by pulling from a melt, e.g. Czochralski method characterised by the seed, e.g. its crystallographic orientation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
FR7222752A 1971-06-29 1972-06-23 Expired FR2143743B1 (https=)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19712132277 DE2132277A1 (de) 1971-06-29 1971-06-29 Verfahren zur erzielung eines gleichmaessigen radialen widerstandsverlaufes beim herstellen eines halbleitereinkristallstabes
DE19712132338 DE2132338A1 (de) 1963-03-13 1971-06-29 Verfahren zum herstellen von halbleiterstaeben durch ziehen aus der schmelze

Publications (2)

Publication Number Publication Date
FR2143743A1 true FR2143743A1 (https=) 1973-02-09
FR2143743B1 FR2143743B1 (https=) 1974-12-27

Family

ID=25761343

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7222752A Expired FR2143743B1 (https=) 1971-06-29 1972-06-23

Country Status (4)

Country Link
BE (1) BE785624A (https=)
FR (1) FR2143743B1 (https=)
GB (1) GB1346548A (https=)
IT (1) IT956790B (https=)

Also Published As

Publication number Publication date
IT956790B (it) 1973-10-10
FR2143743B1 (https=) 1974-12-27
BE785624A (fr) 1972-12-29
GB1346548A (en) 1974-02-13

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Legal Events

Date Code Title Description
ST Notification of lapse