DE9213961U1 - - Google Patents

Info

Publication number
DE9213961U1
DE9213961U1 DE9213961U DE9213961U DE9213961U1 DE 9213961 U1 DE9213961 U1 DE 9213961U1 DE 9213961 U DE9213961 U DE 9213961U DE 9213961 U DE9213961 U DE 9213961U DE 9213961 U1 DE9213961 U1 DE 9213961U1
Authority
DE
Germany
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 - Lifetime
Application number
DE9213961U
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.)
GPA GESELLSCHAFT fur PROZESS-AUTOMATION MBH 2000 HAMBURG DE
Original Assignee
GPA GESELLSCHAFT fur PROZESS-AUTOMATION MBH 2000 HAMBURG DE
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 GPA GESELLSCHAFT fur PROZESS-AUTOMATION MBH 2000 HAMBURG DE filed Critical GPA GESELLSCHAFT fur PROZESS-AUTOMATION MBH 2000 HAMBURG DE
Priority to DE9213961U priority Critical patent/DE9213961U1/de
Publication of DE9213961U1 publication Critical patent/DE9213961U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C30B15/20—Controlling or regulating
    • C30B15/22—Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal
    • C30B15/28—Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal using weight changes of the crystal or the melt, e.g. flotation methods

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
DE9213961U 1992-10-16 1992-10-16 Expired - Lifetime DE9213961U1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9213961U DE9213961U1 (de) 1992-10-16 1992-10-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9213961U DE9213961U1 (de) 1992-10-16 1992-10-16

Publications (1)

Publication Number Publication Date
DE9213961U1 true DE9213961U1 (de) 1992-12-17

Family

ID=6884880

Family Applications (1)

Application Number Title Priority Date Filing Date
DE9213961U Expired - Lifetime DE9213961U1 (de) 1992-10-16 1992-10-16

Country Status (1)

Country Link
DE (1) DE9213961U1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2516197A1 (de) * 1975-04-14 1976-10-28 Alusuisse Waegevorrichtung insbesondere zur automatischen regelung von kristallzuchtvorgaengen
US4258003A (en) * 1974-04-03 1981-03-24 National Research Development Corporation Automatic control of crystal growth
EP0303977A2 (de) * 1987-08-18 1989-02-22 Shin-Etsu Handotai Company, Limited Vorrichtung zur Messung der Last der Kristallstangenziehung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4258003A (en) * 1974-04-03 1981-03-24 National Research Development Corporation Automatic control of crystal growth
DE2516197A1 (de) * 1975-04-14 1976-10-28 Alusuisse Waegevorrichtung insbesondere zur automatischen regelung von kristallzuchtvorgaengen
EP0303977A2 (de) * 1987-08-18 1989-02-22 Shin-Etsu Handotai Company, Limited Vorrichtung zur Messung der Last der Kristallstangenziehung

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