FR2196198A1 - - Google Patents

Info

Publication number
FR2196198A1
FR2196198A1 FR7329665A FR7329665A FR2196198A1 FR 2196198 A1 FR2196198 A1 FR 2196198A1 FR 7329665 A FR7329665 A FR 7329665A FR 7329665 A FR7329665 A FR 7329665A FR 2196198 A1 FR2196198 A1 FR 2196198A1
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.)
Granted
Application number
FR7329665A
Other languages
French (fr)
Other versions
FR2196198B1 (en
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 FR2196198A1 publication Critical patent/FR2196198A1/fr
Application granted granted Critical
Publication of FR2196198B1 publication Critical patent/FR2196198B1/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
    • C30B13/30—Stabilisation or shape controlling of the molten zone, e.g. by concentrators, by electromagnetic fields; Controlling the section of the crystal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (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)
FR7329665A 1972-08-16 1973-08-14 Expired FR2196198B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722240301 DE2240301A1 (en) 1972-08-16 1972-08-16 PROCESS FOR MANUFACTURING SEMICONDUCTOR SINGLE CRYSTAL BARS WITH SPECIFIC RESISTANCE DROPPING DOWN TO THE CENTER OF THE BAR

Publications (2)

Publication Number Publication Date
FR2196198A1 true FR2196198A1 (en) 1974-03-15
FR2196198B1 FR2196198B1 (en) 1977-02-25

Family

ID=5853716

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7329665A Expired FR2196198B1 (en) 1972-08-16 1973-08-14

Country Status (7)

Country Link
JP (2) JPS4947075A (en)
BE (1) BE803673A (en)
DE (1) DE2240301A1 (en)
FR (1) FR2196198B1 (en)
GB (1) GB1374056A (en)
IT (1) IT993701B (en)
NL (1) NL7305059A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56149971U (en) * 1980-04-10 1981-11-11
JPS57100999A (en) * 1980-12-15 1982-06-23 Hitachi Chem Co Ltd Heat treatment of single crystal of tungstic acid compound
EP0059593B1 (en) * 1981-03-02 1988-01-13 Imperial Chemical Industries Plc Method of and apparatus for monitoring gaseous pollutants

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
BE803673A (en) 1973-12-17
JPS4947075A (en) 1974-05-07
NL7305059A (en) 1974-02-19
IT993701B (en) 1975-09-30
JPS53118462U (en) 1978-09-20
GB1374056A (en) 1974-11-13
FR2196198B1 (en) 1977-02-25
DE2240301A1 (en) 1974-02-28

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Legal Events

Date Code Title Description
ST Notification of lapse