IT1243017B - Metodo per inibire la generazione di dislocazioni in steli dendritici di silicio. - Google Patents

Metodo per inibire la generazione di dislocazioni in steli dendritici di silicio.

Info

Publication number
IT1243017B
IT1243017B IT02151990A IT2151990A IT1243017B IT 1243017 B IT1243017 B IT 1243017B IT 02151990 A IT02151990 A IT 02151990A IT 2151990 A IT2151990 A IT 2151990A IT 1243017 B IT1243017 B IT 1243017B
Authority
IT
Italy
Prior art keywords
dislocations
stems
inhibit
generation
silicon dendritic
Prior art date
Application number
IT02151990A
Other languages
English (en)
Other versions
IT9021519A0 (it
IT9021519A1 (it
Inventor
John Adam Spitznagel
Raymond George Seidensticker
James Paul Mcchugh
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of IT9021519A0 publication Critical patent/IT9021519A0/it
Publication of IT9021519A1 publication Critical patent/IT9021519A1/it
Application granted granted Critical
Publication of IT1243017B publication Critical patent/IT1243017B/it

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
    • 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
    • C30B15/34—Edge-defined film-fed crystal-growth using dies or slits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
    • Y10S117/903—Dendrite or web or cage technique
    • Y10S117/904—Laser beam

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)
IT02151990A 1989-09-22 1990-09-19 Metodo per inibire la generazione di dislocazioni in steli dendritici di silicio. IT1243017B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/411,129 US4971650A (en) 1989-09-22 1989-09-22 Method of inhibiting dislocation generation in silicon dendritic webs

Publications (3)

Publication Number Publication Date
IT9021519A0 IT9021519A0 (it) 1990-09-19
IT9021519A1 IT9021519A1 (it) 1992-03-19
IT1243017B true IT1243017B (it) 1994-05-23

Family

ID=23627690

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02151990A IT1243017B (it) 1989-09-22 1990-09-19 Metodo per inibire la generazione di dislocazioni in steli dendritici di silicio.

Country Status (6)

Country Link
US (1) US4971650A (it)
JP (1) JPH03122090A (it)
KR (1) KR0161523B1 (it)
AU (1) AU633610B2 (it)
FR (1) FR2652357B1 (it)
IT (1) IT1243017B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5916364A (en) * 1996-02-29 1999-06-29 Sumitomo Sitix Corporation Method and apparatus for pulling a single crystal
US6093244A (en) * 1997-04-10 2000-07-25 Ebara Solar, Inc. Silicon ribbon growth dendrite thickness control system
DE69936883T2 (de) * 1999-02-02 2008-02-28 Ebara Corp. Vorrichtung zur reglung der schichtdicke eines dendrits während der züchtung eines siliziumbandes
US6482261B2 (en) 2000-12-29 2002-11-19 Ebara Solar, Inc. Magnetic field furnace
US20080289651A1 (en) * 2007-05-25 2008-11-27 International Business Machines Corporation Method and apparatus for wafer edge cleaning
EP3945148A1 (en) * 2020-07-27 2022-02-02 ScIDre Scientific Instruments Dresden GmbH Laser-based afterheating for crystal growth

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL103477C (it) * 1956-11-28
DE1208739B (de) * 1963-12-17 1966-01-13 Ibm Deutschland Verfahren zum Ziehen von einkristallinem Siliziumkarbid
US3298795A (en) * 1964-03-23 1967-01-17 Westinghouse Electric Corp Process for controlling dendritic crystal growth
FR1435250A (fr) * 1964-03-23 1966-04-15 Westinghouse Electric Corp Appareil et procédé de contrôle de la croissance d'un cristal dendritique
DE2349736A1 (de) * 1973-10-03 1975-04-24 Siemens Ag Ueberwachungseinrichtung fuer eine vorrichtung zum ziehen von kristallen aus der schmelze
US4304623A (en) * 1978-07-13 1981-12-08 International Business Machines Corporation Method for forming silicon crystalline bodies
US4318769A (en) * 1979-01-15 1982-03-09 Mobil Tyco Solar Energy Corporation Method of monitoring crystal growth
US4282184A (en) * 1979-10-09 1981-08-04 Siltec Corporation Continuous replenishment of molten semiconductor in a Czochralski-process, single-crystal-growing furnace
JPS6047236B2 (ja) * 1982-12-25 1985-10-21 株式会社東芝 帯状シリコン結晶製造装置
DE3406068A1 (de) * 1984-02-20 1985-08-22 Siemens AG, 1000 Berlin und 8000 München Verfahren und vorrichtung zum herstellen von kristallen durch ziehen aus der schmelze
US4751059A (en) * 1986-12-05 1988-06-14 Westinghouse Electric Corp. Apparatus for growing dendritic web crystals of constant width

Also Published As

Publication number Publication date
US4971650A (en) 1990-11-20
IT9021519A0 (it) 1990-09-19
FR2652357A1 (fr) 1991-03-29
AU633610B2 (en) 1993-02-04
FR2652357B1 (fr) 1997-08-14
KR0161523B1 (ko) 1998-11-16
KR910007070A (ko) 1991-04-30
JPH03122090A (ja) 1991-05-24
AU6112090A (en) 1991-03-28
IT9021519A1 (it) 1992-03-19

Similar Documents

Publication Publication Date Title
IT1222394B (it) Processo per la preparazione di 2,2,6,6 tetrametil 4 piperidilammine
ATE142110T1 (de) Impfstoff adjuvans
FI906175L (fi) Hapettumista kestävä metalliseos
ITTO910001A1 (it) Metodo migliorato per produrre estratti di caffe'
DE3751259D1 (de) Kurvenerzeugungsverfahren.
IT8721033A0 (it) Metodo di formazione, in zaffiro, di contrassegni di riferimento.
DE58901324D1 (de) Verfahren zur herstellung von solarsilicium.
IT1243017B (it) Metodo per inibire la generazione di dislocazioni in steli dendritici di silicio.
IT1200719B (it) Apparacchiatura per la crescita di monocristalli
BG38638A3 (bg) Метод за получаване на арилциклобутил-аминопроизводни
IT8521054A0 (it) Metodo e apparecchiatura perl'estrazione di barrette di silicio monocristallino.
IT1237679B (it) Monofilamenti di carburo di silicio per migliorare le proprieta' di un composito e il metodo.
IT8767697A0 (it) Metodo per la fabbricazione di sci
IT8521464A0 (it) Metodo per la preparazione di 3,4-epossibutirrati alchilici.
IT1229975B (it) Coperchi per una migliorata crescita di nastri dendritici.
ITRM930764A1 (it) Procedimento per la preparazione di leucocoloranti allo zolfo idrosolubili.
IT8746804A0 (it) Metodo per formare diaframmi sotterranei,in particolare per elevate profondita' e mezzi relativi
DK231987A (da) Fremgangsmaade til fremstilling af 2,3-epoxyamider
IT1203998B (it) Metodo per prevenire l'appannamento di superfici
IT1226404B (it) Metodo per accrescere un cristallo di silicio di struttura dendritica.
DE3764499D1 (de) Verfahren zur herstellung von kohlenstoffarmem siliciumnitrid.
EP0345596A3 (en) Solar cell silicon, method of producing it and its use
DK413787D0 (da) Fremgangsmaade til fremstilling af 2,4-diamino-5-benzylpyrimidiner
DE3784877D1 (de) Herstellungsverfahren von 2,6-dichlorbenzylalkohol.
IT8720078A0 (it) Procedimento per la preparazione di (+)-13-norfaranale.

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970925