GB1279495A - Silicon monocrystal bars - Google Patents

Silicon monocrystal bars

Info

Publication number
GB1279495A
GB1279495A GB4543669A GB4543669A GB1279495A GB 1279495 A GB1279495 A GB 1279495A GB 4543669 A GB4543669 A GB 4543669A GB 4543669 A GB4543669 A GB 4543669A GB 1279495 A GB1279495 A GB 1279495A
Authority
GB
United Kingdom
Prior art keywords
rod
turn
sept
melting
surrounding
Prior art date
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
GB4543669A
Other languages
English (en)
Inventor
Augusto Borganti
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.)
Montedison SpA
Original Assignee
Montedison SpA
Montecatini Edison SpA
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 Montedison SpA, Montecatini Edison SpA filed Critical Montedison SpA
Publication of GB1279495A publication Critical patent/GB1279495A/en
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
    • 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

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)
GB4543669A 1968-09-20 1969-09-15 Silicon monocrystal bars Expired GB1279495A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2145968 1968-09-20

Publications (1)

Publication Number Publication Date
GB1279495A true GB1279495A (en) 1972-06-28

Family

ID=11182095

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4543669A Expired GB1279495A (en) 1968-09-20 1969-09-15 Silicon monocrystal bars

Country Status (7)

Country Link
BE (1) BE739093A (xx)
DE (1) DE1947018A1 (xx)
DK (1) DK124015B (xx)
FR (1) FR2018509A1 (xx)
GB (1) GB1279495A (xx)
NL (1) NL6913991A (xx)
SE (1) SE360276B (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018129862A1 (zh) * 2017-01-13 2018-07-19 许昌天戈硅业科技有限公司 一种晶体生长炉加热器以及蓝宝石晶体生长炉

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018129862A1 (zh) * 2017-01-13 2018-07-19 许昌天戈硅业科技有限公司 一种晶体生长炉加热器以及蓝宝石晶体生长炉

Also Published As

Publication number Publication date
DK124015B (da) 1972-09-04
SE360276B (xx) 1973-09-24
BE739093A (xx) 1970-03-19
FR2018509A1 (xx) 1970-05-29
NL6913991A (xx) 1970-03-24
DE1947018A1 (de) 1970-03-26

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees