FR2333568B1 - - Google Patents

Info

Publication number
FR2333568B1
FR2333568B1 FR7636464A FR7636464A FR2333568B1 FR 2333568 B1 FR2333568 B1 FR 2333568B1 FR 7636464 A FR7636464 A FR 7636464A FR 7636464 A FR7636464 A FR 7636464A FR 2333568 B1 FR2333568 B1 FR 2333568B1
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
FR7636464A
Other languages
French (fr)
Other versions
FR2333568A1 (fr
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.)
Siltronic AG
Original Assignee
Wacker Siltronic 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 Wacker Siltronic AG filed Critical Wacker Siltronic AG
Publication of FR2333568A1 publication Critical patent/FR2333568A1/fr
Application granted granted Critical
Publication of FR2333568B1 publication Critical patent/FR2333568B1/fr
Granted 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
    • C30B13/285—Crystal holders, e.g. chucks
    • 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
    • C30B13/16—Heating of the molten zone
    • C30B13/20—Heating of the molten zone by induction, e.g. hot wire technique

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)
FR7636464A 1975-12-04 1976-12-03 Procede d'augmentation de la resistance aux decharges disruptives dans le cas d'un tirage par zone sans creuset Granted FR2333568A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752554647 DE2554647B2 (de) 1975-12-04 1975-12-04 Verfahren zur erhoehung der ueberschlagsfestigkeit beim tiegellosen zonenziehen

Publications (2)

Publication Number Publication Date
FR2333568A1 FR2333568A1 (fr) 1977-07-01
FR2333568B1 true FR2333568B1 (cs) 1978-06-30

Family

ID=5963488

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7636464A Granted FR2333568A1 (fr) 1975-12-04 1976-12-03 Procede d'augmentation de la resistance aux decharges disruptives dans le cas d'un tirage par zone sans creuset

Country Status (7)

Country Link
JP (1) JPS5268803A (cs)
BE (1) BE848980A (cs)
DE (1) DE2554647B2 (cs)
FR (1) FR2333568A1 (cs)
GB (1) GB1524607A (cs)
IT (1) IT1074209B (cs)
NL (1) NL7610913A (cs)

Also Published As

Publication number Publication date
JPS5268803A (en) 1977-06-08
GB1524607A (en) 1978-09-13
FR2333568A1 (fr) 1977-07-01
NL7610913A (nl) 1977-06-07
IT1074209B (it) 1985-04-17
DE2554647B2 (de) 1978-02-09
DE2554647A1 (de) 1977-06-08
BE848980A (fr) 1977-06-02

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Legal Events

Date Code Title Description
ST Notification of lapse