FR2169959A1 - - Google Patents

Info

Publication number
FR2169959A1
FR2169959A1 FR7302601A FR7302601A FR2169959A1 FR 2169959 A1 FR2169959 A1 FR 2169959A1 FR 7302601 A FR7302601 A FR 7302601A FR 7302601 A FR7302601 A FR 7302601A FR 2169959 A1 FR2169959 A1 FR 2169959A1
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.)
Withdrawn
Application number
FR7302601A
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
Original Assignee
Siemens AG
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 filed Critical Siemens AG
Publication of FR2169959A1 publication Critical patent/FR2169959A1/fr
Withdrawn legal-status Critical Current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)
FR7302601A 1972-01-31 1973-01-25 Withdrawn FR2169959A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722204486 DE2204486A1 (de) 1972-01-31 1972-01-31 Verfahren zur beeinflussung des radialen widerstandsverlaufes beim herstellen eines halbleitereinkristallstabes durch tiegelfreies zonenschmelzen

Publications (1)

Publication Number Publication Date
FR2169959A1 true FR2169959A1 (fr) 1973-09-14

Family

ID=5834581

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7302601A Withdrawn FR2169959A1 (fr) 1972-01-31 1973-01-25

Country Status (6)

Country Link
JP (1) JPS4886705A (fr)
DE (1) DE2204486A1 (fr)
FR (1) FR2169959A1 (fr)
GB (1) GB1362739A (fr)
IT (1) IT971894B (fr)
NL (1) NL7213698A (fr)

Also Published As

Publication number Publication date
IT971894B (it) 1974-05-10
GB1362739A (en) 1974-08-07
DE2204486A1 (de) 1973-08-09
NL7213698A (fr) 1973-08-02
JPS4886705A (fr) 1973-11-15

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Legal Events

Date Code Title Description
ST Notification of lapse