WO2000021119A8 - An apparatus for holding a semiconductor wafer - Google Patents

An apparatus for holding a semiconductor wafer

Info

Publication number
WO2000021119A8
WO2000021119A8 PCT/US1999/021554 US9921554W WO0021119A8 WO 2000021119 A8 WO2000021119 A8 WO 2000021119A8 US 9921554 W US9921554 W US 9921554W WO 0021119 A8 WO0021119 A8 WO 0021119A8
Authority
WO
WIPO (PCT)
Prior art keywords
wafers
wafer
holding
teeth
tooth
Prior art date
Application number
PCT/US1999/021554
Other languages
French (fr)
Other versions
WO2000021119A1 (en
Inventor
Larry S Wingo
Original Assignee
Union Oil Co
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 Union Oil Co filed Critical Union Oil Co
Priority to AU58233/99A priority Critical patent/AU5823399A/en
Publication of WO2000021119A1 publication Critical patent/WO2000021119A1/en
Publication of WO2000021119A8 publication Critical patent/WO2000021119A8/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/673Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere using specially adapted carriers or holders; Fixing the workpieces on such carriers or holders
    • H01L21/67303Vertical boat type carrier whereby the substrates are horizontally supported, e.g. comprising rod-shaped elements
    • H01L21/67309Vertical boat type carrier whereby the substrates are horizontally supported, e.g. comprising rod-shaped elements characterized by the substrate support
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S206/00Special receptacle or package
    • Y10S206/832Semiconductor wafer boat
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S269/00Work holders
    • Y10S269/902Work holder member with v-shaped notch or groove
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S269/00Work holders
    • Y10S269/904Work holder for positioning elements of building in installed location
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S269/00Work holders
    • Y10S269/909Work holder for specific work
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S414/00Material or article handling
    • Y10S414/135Associated with semiconductor wafer handling
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S414/00Material or article handling
    • Y10S414/135Associated with semiconductor wafer handling
    • Y10S414/141Associated with semiconductor wafer handling includes means for gripping wafer
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49995Shaping one-piece blank by removing material
    • Y10T29/49996Successive distinct removal operations

Abstract

An apparatus for holding a plurality of semi-conductor wafers during heat treatment of the wafers in a furnace comprises a plurality of rails extending essentially vertically between a top and bottom plate. Each rail contains a plurality of teeth arranged such that the space between adjacent teeth can receive a portion of a single semiconductor wafer. Each tooth contains a raised support structure, typically a ledge, located on the top surface of each tooth for supporting the wafer, usually from the edge of the wafer inward to a point located from the center of the wafer a distance equal to between about 25 % and about 75 % of the wafer's radius. Such an apparatus with its relatively long teeth is especially designed to uniformly support larger wafers, i.e., wafers having a nominal diameter greater than about 200 millimeters, such that their own weight does not cause the wafers to sag and thereby produce crystal dislocations or slip when the wafers are heated to high temperatures.
PCT/US1999/021554 1998-10-02 1999-09-17 An apparatus for holding a semiconductor wafer WO2000021119A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU58233/99A AU5823399A (en) 1998-10-02 1999-09-17 An apparatus for holding a semiconductor wafer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/165,542 US6171400B1 (en) 1998-10-02 1998-10-02 Vertical semiconductor wafer carrier
US09/165,542 1998-10-02

Publications (2)

Publication Number Publication Date
WO2000021119A1 WO2000021119A1 (en) 2000-04-13
WO2000021119A8 true WO2000021119A8 (en) 2000-10-19

Family

ID=22599354

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/021554 WO2000021119A1 (en) 1998-10-02 1999-09-17 An apparatus for holding a semiconductor wafer

Country Status (4)

Country Link
US (3) US6171400B1 (en)
AU (1) AU5823399A (en)
TW (1) TW444240B (en)
WO (1) WO2000021119A1 (en)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6073828A (en) * 1998-06-30 2000-06-13 Lam Research Corporation End effector for substrate handling and method for making the same
US6171400B1 (en) * 1998-10-02 2001-01-09 Union Oil Company Of California Vertical semiconductor wafer carrier
EP1171905A1 (en) * 1999-04-15 2002-01-16 Integrated Materials, Inc. Silicon fixtures for wafer processing and method of fabrication
US6205993B1 (en) 1999-04-15 2001-03-27 Integrated Materials, Inc. Method and apparatus for fabricating elongate crystalline members
US6196211B1 (en) 1999-04-15 2001-03-06 Integrated Materials, Inc. Support members for wafer processing fixtures
US6225594B1 (en) 1999-04-15 2001-05-01 Integrated Materials, Inc. Method and apparatus for securing components of wafer processing fixtures
KR100737846B1 (en) * 1999-09-06 2007-07-12 요도가와 휴텍 가부시키가이샤 Elongated rib for cassette and substrate cassette
US6450346B1 (en) 2000-06-30 2002-09-17 Integrated Materials, Inc. Silicon fixtures for supporting wafers during thermal processing
WO2002003428A2 (en) * 2000-06-30 2002-01-10 Integrated Materials, Inc. Silicon fixtures for supporting wafers during thermal processing and method of fabrication
US6455395B1 (en) * 2000-06-30 2002-09-24 Integrated Materials, Inc. Method of fabricating silicon structures including fixtures for supporting wafers
US20020130061A1 (en) * 2000-11-02 2002-09-19 Hengst Richard R. Apparatus and method of making a slip free wafer boat
US6727191B2 (en) 2001-02-26 2004-04-27 Integrated Materials, Inc. High temperature hydrogen anneal of silicon wafers supported on a silicon fixture
JP4467028B2 (en) * 2001-05-11 2010-05-26 信越石英株式会社 Vertical wafer support jig
US20020170487A1 (en) * 2001-05-18 2002-11-21 Raanan Zehavi Pre-coated silicon fixtures used in a high temperature process
US7108746B2 (en) * 2001-05-18 2006-09-19 Integrated Materials, Inc. Silicon fixture with roughened surface supporting wafers in chemical vapor deposition
US20030170583A1 (en) * 2002-03-01 2003-09-11 Hitachi Kokusai Electric Inc. Heat treatment apparatus and a method for fabricating substrates
KR100870661B1 (en) * 2002-03-15 2008-11-26 엘지디스플레이 주식회사 Cassette for accepting substrate
US20030233977A1 (en) * 2002-06-20 2003-12-25 Yeshwanth Narendar Method for forming semiconductor processing components
JP2004075567A (en) * 2002-08-12 2004-03-11 Idemitsu Kosan Co Ltd Oligoarylene derivative and organic electroluminescent element using the same
TW542218U (en) * 2002-10-09 2003-07-11 Foxsemicon Intergated Technolo Substrate supporting rod and substrate cassette using the same
US20040188319A1 (en) * 2003-03-28 2004-09-30 Saint-Gobain Ceramics & Plastics, Inc. Wafer carrier having improved processing characteristics
US6825123B2 (en) * 2003-04-15 2004-11-30 Saint-Goban Ceramics & Plastics, Inc. Method for treating semiconductor processing components and components formed thereby
TWI310850B (en) * 2003-08-01 2009-06-11 Foxsemicon Integrated Tech Inc Substrate supporting rod and substrate cassette using the same
CN100377330C (en) * 2003-08-06 2008-03-26 鸿富锦精密工业(深圳)有限公司 Grooved bar for base support and base board carrying tool using same
US20050133158A1 (en) * 2003-12-19 2005-06-23 Applied Materials, Inc. Mask handler apparatus
US7501370B2 (en) 2004-01-06 2009-03-10 Saint-Gobain Ceramics & Plastics, Inc. High purity silicon carbide wafer boats
US20050145584A1 (en) * 2004-01-06 2005-07-07 Buckley Richard F. Wafer boat with interference fit wafer supports
US20050205502A1 (en) * 2004-03-18 2005-09-22 Brown Steven A Rails for semiconductor wafer carriers
US7520566B2 (en) * 2004-05-26 2009-04-21 Braun Seating Incorporated Stowable vehicle seat apparatus and method
JP2005340480A (en) * 2004-05-26 2005-12-08 Nippon Oil Corp Support bar for substrate cassettes
US8496799B2 (en) * 2005-02-08 2013-07-30 The Trustees Of Columbia University In The City Of New York Systems and methods for in situ annealing of electro- and electroless platings during deposition
US8529738B2 (en) * 2005-02-08 2013-09-10 The Trustees Of Columbia University In The City Of New York In situ plating and etching of materials covered with a surface film
WO2006110437A1 (en) * 2005-04-08 2006-10-19 The Trustees Of Columbia University In The City Of New York Systems and methods for monitoring plating and etching baths
US20090101067A1 (en) * 2005-07-08 2009-04-23 Bonora Anthony C Method and apparatus for wafer support
WO2007008555A2 (en) * 2005-07-08 2007-01-18 Asyst Technologies, Inc. Workpiece support structures and apparatus for accessing same
JP4523513B2 (en) * 2005-08-05 2010-08-11 東京エレクトロン株式会社 Substrate delivery apparatus, substrate delivery method and storage medium
KR101165466B1 (en) * 2005-08-31 2012-07-13 엘지디스플레이 주식회사 Carrier and processing apparatus having the same
WO2007027907A2 (en) * 2005-09-02 2007-03-08 The Trustees Of Columbia University In The City Of New York A system and method for obtaining anisotropic etching of patterned substrates
DE102006052908B4 (en) * 2006-11-08 2008-12-04 Deutsche Solar Ag Wafer target means
WO2008070786A1 (en) * 2006-12-06 2008-06-12 The Trustees Of Columbia University In The City Of New York Microfluidic systems and methods for screening plating and etching bath compositions
US20090071918A1 (en) * 2007-09-18 2009-03-19 Panchapakesan Ramanarayanan Vertical semiconductor wafer carrier
WO2009051923A1 (en) * 2007-10-17 2009-04-23 The Trustees Of Columbia University In The City Of New York Systems and methods for in situ annealing of electro- and electroless platings during deposition
US8058174B2 (en) * 2007-12-20 2011-11-15 Coorstek, Inc. Method for treating semiconductor processing components and components formed thereby
JP5071217B2 (en) * 2008-04-17 2012-11-14 信越半導体株式会社 Vertical heat treatment boat and silicon wafer heat treatment method using the same
US8998004B2 (en) * 2009-09-02 2015-04-07 Honda Motor Co., Ltd. Conveyance rack, method for retaining metal ring, and method for heat treatment of metal ring
TW201129719A (en) * 2009-10-20 2011-09-01 Saint Gobain Ceramics Microelectronic processing component having corrosion-resistant layer, microelectronic workpiece processing apparatus incorporating same, and method of forming an article having the corrosion-resistant layer
US8985050B2 (en) * 2009-11-05 2015-03-24 The Trustees Of Columbia University In The City Of New York Substrate laser oxide removal process followed by electro or immersion plating
WO2011109535A2 (en) * 2010-03-02 2011-09-09 Entergris, Inc. Solar cell process carrier
TWM447450U (en) * 2012-08-24 2013-02-21 Wistron Corp Support structure, tenon and support frame having the same
US9530675B2 (en) * 2012-09-19 2016-12-27 Stmicroelectronics Pte Ltd Wafer handling station including cassette members with lateral wafer confining brackets and associated methods
US20170110353A1 (en) * 2015-10-20 2017-04-20 Taiwan Semiconductor Manufacturing Co., Ltd. Wafer boat, annealing tool and annealing method
JP1563649S (en) * 2016-02-12 2016-11-21
US10811291B2 (en) * 2017-11-08 2020-10-20 Taiwan Semiconductor Manufacturing Company, Ltd. Wafer container and method for holding wafer
CN108423406B (en) * 2018-03-12 2020-08-07 惠科股份有限公司 Bottom frame of substrate bearing device, substrate bearing device and substrate conveying mechanism
CN111300838A (en) * 2020-02-28 2020-06-19 北京市塑料研究所 Method for manufacturing wafer carrier and wafer carrier
CN113327884B (en) * 2020-02-29 2023-10-17 长鑫存储技术有限公司 Wafer support, wafer processing device and wafer processing method
US20210296149A1 (en) * 2020-03-23 2021-09-23 Applied Materials, Inc. Enclosure system shelf
US20210407823A1 (en) * 2020-06-26 2021-12-30 Globalwafers Co., Ltd. Wafer boats for supporting semiconductor wafers in a furnace

Family Cites Families (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1013700A (en) * 1905-11-01 1912-01-02 Carborundum Co Silicon carbid.
US3634116A (en) * 1969-06-02 1972-01-11 Dow Corning Silicon-carbide-encased graphite articles and their production
US4153164A (en) 1978-06-13 1979-05-08 Kasper Instruments, Inc. Carrier for semiconductive wafers
US4184841A (en) * 1978-03-01 1980-01-22 Allied Insulators, Limited Kiln furniture, particularly crank structures
US4407654A (en) 1982-01-21 1983-10-04 The Potters Supply Company Handling and support system for kiln fired ware
US4566839A (en) * 1983-05-18 1986-01-28 Microglass, Inc. Semiconductor wafer diffusion boat and method
US4653636A (en) * 1985-05-14 1987-03-31 Microglass, Inc. Wafer carrier and method
US4872554A (en) * 1987-07-02 1989-10-10 Fluoroware, Inc. Reinforced carrier with embedded rigid insert
EP0309272A3 (en) 1987-09-25 1990-03-07 Southtech, Inc. Apparatus and method for sample holders and wafer cages fabricated from silicon carbide for processing semiconductor materials
US4998879A (en) * 1988-04-29 1991-03-12 Norton Company High purity diffusion furnace components
US5169684A (en) * 1989-03-20 1992-12-08 Toyoko Kagaku Co., Ltd. Wafer supporting jig and a decompressed gas phase growth method using such a jig
JPH0342821A (en) * 1989-07-11 1991-02-25 Mitsubishi Electric Corp Method of heat-treating semiconductor wafer and wafer hanger and semiconductor wafer
US5020476A (en) * 1990-04-17 1991-06-04 Ds Research, Inc. Distributed source assembly
GB9021873D0 (en) 1990-10-09 1990-11-21 Groom Bryan Ltd Ware support apparatus
JP3204699B2 (en) 1990-11-30 2001-09-04 株式会社東芝 Heat treatment equipment
JPH05102056A (en) 1991-10-11 1993-04-23 Rohm Co Ltd Wafer support jig
US5492229A (en) 1992-11-27 1996-02-20 Toshiba Ceramics Co., Ltd. Vertical boat and a method for making the same
JP3280438B2 (en) 1992-11-30 2002-05-13 東芝セラミックス株式会社 Vertical boat
JP3250628B2 (en) 1992-12-17 2002-01-28 東芝セラミックス株式会社 Vertical semiconductor heat treatment jig
JP3245246B2 (en) 1993-01-27 2002-01-07 東京エレクトロン株式会社 Heat treatment equipment
FR2702088B1 (en) * 1993-02-24 1995-05-24 Sgs Thomson Microelectronics Nacelle for silicon wafers.
JP3348936B2 (en) * 1993-10-21 2002-11-20 東京エレクトロン株式会社 Vertical heat treatment equipment
JPH06349758A (en) 1993-06-03 1994-12-22 Kokusai Electric Co Ltd Boat for vertical semiconductor manufacturing apparatus
JPH08236605A (en) * 1995-02-28 1996-09-13 Komatsu Electron Metals Co Ltd Semiconductor wafer case
JP3242281B2 (en) * 1995-03-13 2001-12-25 東京エレクトロン株式会社 Heat treatment equipment
KR100278731B1 (en) 1995-05-05 2001-03-02 보스트 스티븐 엘. Slip resistant vertical lathe
US5534074A (en) 1995-05-17 1996-07-09 Heraeus Amersil, Inc. Vertical boat for holding semiconductor wafers
JP3218164B2 (en) 1995-05-31 2001-10-15 東京エレクトロン株式会社 Support boat for object to be processed, heat treatment apparatus and heat treatment method
TW296361B (en) * 1995-06-26 1997-01-21 Kakizaki Seisakusho Kk
JPH09107026A (en) * 1995-10-12 1997-04-22 Shin Etsu Polymer Co Ltd Wafer cassette for wafer receiving container
JPH09139352A (en) 1995-11-15 1997-05-27 Nec Corp Wafer boat for vertical furnace
JPH09168441A (en) 1995-12-21 1997-06-30 Elecom Kk Rack
US5704493A (en) * 1995-12-27 1998-01-06 Dainippon Screen Mfg. Co., Ltd. Substrate holder
WO1997032339A1 (en) 1996-02-29 1997-09-04 Tokyo Electron Limited Heat-treating boat for semiconductor wafer
JPH09306980A (en) * 1996-05-17 1997-11-28 Asahi Glass Co Ltd Vertical wafer boat
US5788082A (en) * 1996-07-12 1998-08-04 Fluoroware, Inc. Wafer carrier
JPH10203584A (en) 1997-01-22 1998-08-04 Nec Corp Cassette for substrate
WO1999005338A2 (en) * 1997-07-24 1999-02-04 Toyo Tanso Usa, Inc. Surface converted graphite components and methods of making same
US6056123A (en) 1997-12-10 2000-05-02 Novus Corporation Semiconductor wafer carrier having the same composition as the wafers
US5931666A (en) 1998-02-27 1999-08-03 Saint-Gobain Industrial Ceramics, Inc. Slip free vertical rack design having rounded horizontal arms
US6171400B1 (en) * 1998-10-02 2001-01-09 Union Oil Company Of California Vertical semiconductor wafer carrier
US6099645A (en) * 1999-07-09 2000-08-08 Union Oil Company Of California Vertical semiconductor wafer carrier with slats

Also Published As

Publication number Publication date
US6357604B1 (en) 2002-03-19
TW444240B (en) 2001-07-01
AU5823399A (en) 2000-04-26
WO2000021119A1 (en) 2000-04-13
US6171400B1 (en) 2001-01-09
US6532642B1 (en) 2003-03-18

Similar Documents

Publication Publication Date Title
WO2000021119A8 (en) An apparatus for holding a semiconductor wafer
US6099645A (en) Vertical semiconductor wafer carrier with slats
KR101018850B1 (en) Susceptor plate for high temperature heat treatment
TW348273B (en) Method of heat treatment of silicon monolithic wafers and thermal treatment device thereof and silicon monolithic wafer and process for producing the same
MY129698A (en) Argon/ ammonia rapid thermal annealing for silicon wafers, silicon wafers fabricated thereby and czochralski pullers for manufacturing monocrystalline silicon ingots.
TW328631B (en) Susceptor, apparatus of heat-treating semiconductor wafer, and method of heat-treating the same
CA2318968C (en) Slip free vertical rack design having rounded horizontal arms
US20080041798A1 (en) Wafer Platform
EP0505928A3 (en) Process for the rapid thermal annealing of a semiconductor wafer using irradiation
WO2005091341A1 (en) Improved rails for semiconductor wafer carriers
MX9708506A (en) Slip free vertical rack design.
EP1158076A4 (en) Production method for silicon single crystal and production device for single crystal ingot, and heat treating method for silicon single crystal wafer
EP0600516A1 (en) Diffusion furnace boat assembly and wafer support
JPH0745691A (en) Wafer holder
JP4003906B2 (en) Silicon single crystal semiconductor wafer heat treatment jig and silicon single crystal semiconductor wafer heat treatment apparatus using the same
JPH10284429A (en) Wafer supporting device
JPH09260296A (en) Wafer retainer
JPS61247048A (en) Port for vertical diffusion furnace
JPS61267317A (en) Boat for vertical type diffusion furnace
JP3125968B2 (en) Vertical wafer boat
MY131022A (en) Silicon wafers having controlled distribution of defects, and methods of preparing the same
JPH10321540A (en) Treating boat for annealing furnace
JPH07147258A (en) Heat treatment device for semiconductor wafer
DE60144476D1 (en) SILICON FASTENERS FOR DISC HOLDERS FOR HEAT TREATMENT AND MANUFACTURING METHOD
JPS6088432A (en) Method of wafer annealing

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AL AM AT AU AZ BA BB BG BR BY CA CH CN CR CU CZ DE DK DM EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
AK Designated states

Kind code of ref document: C1

Designated state(s): AE AL AM AT AU AZ BA BB BG BR BY CA CH CN CR CU CZ DE DK DM EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: C1

Designated state(s): GH GM KE LS MW SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

CFP Corrected version of a pamphlet front page
CR1 Correction of entry in section i
REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

122 Ep: pct application non-entry in european phase