FR1415957A - Process for preparing semiconductor crystals - Google Patents

Process for preparing semiconductor crystals

Info

Publication number
FR1415957A
FR1415957A FR992860A FR992860A FR1415957A FR 1415957 A FR1415957 A FR 1415957A FR 992860 A FR992860 A FR 992860A FR 992860 A FR992860 A FR 992860A FR 1415957 A FR1415957 A FR 1415957A
Authority
FR
France
Prior art keywords
semiconductor crystals
preparing semiconductor
preparing
crystals
semiconductor
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
FR992860A
Other languages
French (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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
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 and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Priority to FR992860A priority Critical patent/FR1415957A/en
Application granted granted Critical
Publication of FR1415957A publication Critical patent/FR1415957A/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
    • C30B15/02—Single-crystal growth by pulling from a melt, e.g. Czochralski method adding crystallising materials or reactants forming it in situ to the melt
    • 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
    • C30B15/10—Crucibles or containers for supporting the melt
    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
    • G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
    • G05D11/135—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by sensing at least one property of the mixture
    • G05D11/138—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by sensing at least one property of the mixture by sensing the concentration of the mixture, e.g. measuring pH value

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
FR992860A 1963-10-28 1964-10-27 Process for preparing semiconductor crystals Expired FR1415957A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR992860A FR1415957A (en) 1963-10-28 1964-10-27 Process for preparing semiconductor crystals

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DES0088062 1963-10-28
DES0088061 1963-10-28
DES0091935 1964-07-08
FR992860A FR1415957A (en) 1963-10-28 1964-10-27 Process for preparing semiconductor crystals

Publications (1)

Publication Number Publication Date
FR1415957A true FR1415957A (en) 1965-10-29

Family

ID=27437569

Family Applications (1)

Application Number Title Priority Date Filing Date
FR992860A Expired FR1415957A (en) 1963-10-28 1964-10-27 Process for preparing semiconductor crystals

Country Status (1)

Country Link
FR (1) FR1415957A (en)

Similar Documents

Publication Publication Date Title
FR1447971A (en) Process for manufacturing new amino-halo-benzylamines
FR1389005A (en) Advanced process for curing polyepoxides
FR1412615A (en) Process for making new 2-methyl-3-phenyl-3h-4-quinazolones
FR1415957A (en) Process for preparing semiconductor crystals
FR1499857A (en) New process for preparing 3-oxo-delta4. 6-steroids
FR1403372A (en) Process for preparing substituted 5-aminopyrazols
CH435298A (en) Process for preparing 3-acylamino-5-pyrazolones
FR1411003A (en) Novel 2-methyleneglutaronitrile compound and process for preparing it
FR1400107A (en) Process for making p-di-isopropylbenzene
FR1392872A (en) Process for preparing phthaloylpyrrocolines
CH432484A (en) Process for preparing 1,1-dimethyl-6-tert.-butyl-indane
FR1499114A (en) Process for making basic ketones
FR1355937A (en) Process for preparing 1-dehydrosteroids
FR1353209A (en) Process for preparing aromatic polycarbonates
FR1359343A (en) Process for preparing beta-ionylidene-acetaldehyde
FR1380579A (en) Process for preparing fluoroalkanols
FR1384309A (en) Process for preparing benzene-sulfonyl-ureas
FR1361270A (en) Process for preparing n-vinylimides
FR1419723A (en) Process for developing synthetic garnet single crystals
FR1363029A (en) New process for preparing 4-hydroxy-3-oxo-delta4-steroids
FR1480111A (en) Process for preparing 17-methyl-20-alkyl-18-norpregnenes
FR1376154A (en) Method to shoot semiconductor crystals
FR1400895A (en) Process for manufacturing semiconductor components
FR1453001A (en) Process for preparing a very pure semiconductor substance
FR1357970A (en) Process for preparing polyhalophenates