FR2150935B1 - - Google Patents

Info

Publication number
FR2150935B1
FR2150935B1 FR7230633A FR7230633A FR2150935B1 FR 2150935 B1 FR2150935 B1 FR 2150935B1 FR 7230633 A FR7230633 A FR 7230633A FR 7230633 A FR7230633 A FR 7230633A FR 2150935 B1 FR2150935 B1 FR 2150935B1
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.)
Expired
Application number
FR7230633A
Other languages
French (fr)
Other versions
FR2150935A1 (2
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 AG
Siemens Corp
Original Assignee
Siemens AG
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
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of FR2150935A1 publication Critical patent/FR2150935A1/fr
Application granted granted Critical
Publication of FR2150935B1 publication Critical patent/FR2150935B1/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
    • C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
    • C30B13/28—Controlling or regulating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
FR7230633A 1971-08-30 1972-08-29 Expired FR2150935B1 (2)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712143394 DE2143394A1 (de) 1971-08-30 1971-08-30 Verfahren und vorrichtung zur erzielung eines gleichmaessigen radialen widerstandsverlaufs beim herstellen eines halbleiterkristallstabes durch tiegelfreies zonenschmelzen

Publications (2)

Publication Number Publication Date
FR2150935A1 FR2150935A1 (2) 1973-04-13
FR2150935B1 true FR2150935B1 (2) 1974-08-19

Family

ID=5818187

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7230633A Expired FR2150935B1 (2) 1971-08-30 1972-08-29

Country Status (7)

Country Link
JP (1) JPS4857576A (2)
BE (1) BE788181A (2)
DE (1) DE2143394A1 (2)
FR (1) FR2150935B1 (2)
GB (1) GB1350166A (2)
IT (1) IT964216B (2)
NL (1) NL7208665A (2)

Also Published As

Publication number Publication date
GB1350166A (en) 1974-04-18
BE788181A (fr) 1972-12-18
DE2143394A1 (de) 1973-03-08
FR2150935A1 (2) 1973-04-13
IT964216B (it) 1974-01-21
JPS4857576A (2) 1973-08-13
NL7208665A (2) 1973-03-02

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Legal Events

Date Code Title Description
ST Notification of lapse