WO2002075790A3 - Method and apparatus for transferring heat from a substrate to a chuck - Google Patents

Method and apparatus for transferring heat from a substrate to a chuck Download PDF

Info

Publication number
WO2002075790A3
WO2002075790A3 PCT/US2002/002816 US0202816W WO02075790A3 WO 2002075790 A3 WO2002075790 A3 WO 2002075790A3 US 0202816 W US0202816 W US 0202816W WO 02075790 A3 WO02075790 A3 WO 02075790A3
Authority
WO
WIPO (PCT)
Prior art keywords
substrate
gas
conduit
gap
chuck
Prior art date
Application number
PCT/US2002/002816
Other languages
French (fr)
Other versions
WO2002075790A2 (en
Inventor
Andrej Mitrovic
Lianjun Liu
Original Assignee
Tokyo Electron Ltd
Andrej Mitrovic
Lianjun Liu
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 Tokyo Electron Ltd, Andrej Mitrovic, Lianjun Liu filed Critical Tokyo Electron Ltd
Priority to KR1020037010707A priority Critical patent/KR100655986B1/en
Priority to JP2002574108A priority patent/JP2004536447A/en
Priority to AU2002236931A priority patent/AU2002236931A1/en
Publication of WO2002075790A2 publication Critical patent/WO2002075790A2/en
Publication of WO2002075790A3 publication Critical patent/WO2002075790A3/en
Priority to US10/639,510 priority patent/US7017652B2/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
    • H01L21/68Apparatus 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 for positioning, orientation or alignment
    • 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
    • H01L21/67005Apparatus not specifically provided for elsewhere
    • H01L21/67011Apparatus for manufacture or treatment
    • H01L21/67098Apparatus for thermal treatment
    • H01L21/67109Apparatus for thermal treatment mainly by convection
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/44Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
    • C23C16/458Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for supporting substrates in the reaction chamber
    • C23C16/4582Rigid and flat substrates, e.g. plates or discs
    • C23C16/4583Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially horizontally
    • C23C16/4586Elements in the interior of the support, e.g. electrodes, heating or cooling devices
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-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
    • C30B25/00Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
    • C30B25/02Epitaxial-layer growth
    • C30B25/10Heating of the reaction chamber or the substrate
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-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
    • C30B25/00Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
    • C30B25/02Epitaxial-layer growth
    • C30B25/12Substrate holders or susceptors
    • 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
    • H01L21/683Apparatus 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 for supporting or gripping
    • H01L21/6831Apparatus 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 for supporting or gripping using electrostatic chucks
    • 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
    • H01L21/683Apparatus 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 for supporting or gripping
    • H01L21/6831Apparatus 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 for supporting or gripping using electrostatic chucks
    • H01L21/6833Details of electrostatic chucks

Abstract

A chuck method of and apparatus (50, 150, 300) for supporting a substrate (W) during processing of the substrate, where the substrate has a lower surface (WL). The apparatus facilitates heat transfer away from the substrate during processing of the substrate. The apparatus comprises a chuck body (60) having an outer edge (70) and a rough upper surface (64U). The substrate is arranged adjacent the rough surface such that the substrate lower surface and the roughened upper surface form a gap (100) therebetween. The apparatus further includes a central gas conduit (80) passing through the chuck body. The central conduit has a second end (82b) open to the roughened upper surface and a first end opposite the second end connected to a gas source (86). The conduit is arranged such that a gas can flow through the conduit into the gap and toward the chuck body outer edge. The gas used has an atomic or molecular weight that is greater than that of helium. The surface roughness, the substrate lower surface and the flow of the heavier gas in the gap contribute to defining an accommodation coefficient α and a mean free path λ such that the ratio α/λ is higher than that of prior art apparatus.
PCT/US2002/002816 2001-02-16 2002-02-04 Method and apparatus for transferring heat from a substrate to a chuck WO2002075790A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020037010707A KR100655986B1 (en) 2001-02-16 2002-02-04 Method and apparatus for transferring heat from a substrate to a chuck
JP2002574108A JP2004536447A (en) 2001-02-16 2002-02-04 Method and apparatus for transferring heat from substrate to chuck
AU2002236931A AU2002236931A1 (en) 2001-02-16 2002-02-04 Method and apparatus for transferring heat from a substrate to a chuck
US10/639,510 US7017652B2 (en) 2001-02-16 2003-08-13 Method and apparatus for transferring heat from a substrate to a chuck

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26891301P 2001-02-16 2001-02-16
US60/268,913 2001-02-16

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US10/639,510 Continuation US7017652B2 (en) 2001-02-16 2003-08-13 Method and apparatus for transferring heat from a substrate to a chuck

Publications (2)

Publication Number Publication Date
WO2002075790A2 WO2002075790A2 (en) 2002-09-26
WO2002075790A3 true WO2002075790A3 (en) 2002-11-14

Family

ID=23025043

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/002816 WO2002075790A2 (en) 2001-02-16 2002-02-04 Method and apparatus for transferring heat from a substrate to a chuck

Country Status (7)

Country Link
US (1) US7017652B2 (en)
JP (1) JP2004536447A (en)
KR (1) KR100655986B1 (en)
CN (1) CN1491435A (en)
AU (1) AU2002236931A1 (en)
TW (1) TWI272689B (en)
WO (1) WO2002075790A2 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040221959A1 (en) 2003-05-09 2004-11-11 Applied Materials, Inc. Anodized substrate support
US8372205B2 (en) 2003-05-09 2013-02-12 Applied Materials, Inc. Reducing electrostatic charge by roughening the susceptor
US20050051098A1 (en) * 2003-09-05 2005-03-10 Tooru Aramaki Plasma processing apparatus
US20060060145A1 (en) * 2004-09-17 2006-03-23 Van Den Berg Jannes R Susceptor with surface roughness for high temperature substrate processing
TWI297908B (en) * 2005-03-16 2008-06-11 Ngk Insulators Ltd Processing device
TWI375295B (en) * 2005-07-15 2012-10-21 Applied Materials Inc Reducing electrostatic charge by roughening the susceptor
US8052794B2 (en) * 2005-09-12 2011-11-08 The United States Of America As Represented By The Secretary Of The Navy Directed reagents to improve material uniformity
TWI327761B (en) * 2005-10-07 2010-07-21 Rohm & Haas Elect Mat Method for making semiconductor wafer and wafer holding article
JP4611217B2 (en) * 2006-01-30 2011-01-12 株式会社日立ハイテクノロジーズ Wafer mounting electrode
US9383138B2 (en) * 2007-03-30 2016-07-05 Tokyo Electron Limited Methods and heat treatment apparatus for uniformly heating a substrate during a bake process
US20080241400A1 (en) * 2007-03-31 2008-10-02 Tokyo Electron Limited Vacuum assist method and system for reducing intermixing of lithography layers
JP4457242B2 (en) * 2007-11-30 2010-04-28 Okiセミコンダクタ株式会社 Manufacturing method of semiconductor device
US8410393B2 (en) 2010-05-24 2013-04-02 Lam Research Corporation Apparatus and method for temperature control of a semiconductor substrate support
KR20120014361A (en) * 2010-08-09 2012-02-17 삼성엘이디 주식회사 Susceptor and apparatus for cvd comprising the susceptor
GB201021913D0 (en) 2010-12-23 2011-02-02 Element Six Ltd Microwave plasma reactors and substrates for synthetic diamond manufacture
KR101251880B1 (en) * 2011-12-29 2013-04-08 로체 시스템즈(주) Apparatus for etching of wafer and wafer etching method using the same
DE102012101923B4 (en) * 2012-03-07 2019-11-07 Osram Opto Semiconductors Gmbh Substrate carrier assembly, coating system with substrate carrier assembly and method for performing a coating method
US20130240144A1 (en) * 2012-03-13 2013-09-19 Applied Materials, Inc. Fast response fluid temperature control system
JP7020951B2 (en) * 2018-02-09 2022-02-16 東京エレクトロン株式会社 Plasma processing system and plasma processing method
CN111898306B (en) * 2020-08-07 2024-01-30 珠海格力智能装备有限公司 Thermosetting coupling analysis method and analysis device for robot

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0467623A2 (en) * 1990-07-16 1992-01-22 Novellus Systems, Inc. Apparatus for and method of protection during substrate processing
US5201847A (en) * 1991-11-21 1993-04-13 Westinghouse Electric Corp. Shroud design
US5460684A (en) * 1992-12-04 1995-10-24 Tokyo Electron Limited Stage having electrostatic chuck and plasma processing apparatus using same
US5583737A (en) * 1992-12-02 1996-12-10 Applied Materials, Inc. Electrostatic chuck usable in high density plasma
US5591269A (en) * 1993-06-24 1997-01-07 Tokyo Electron Limited Vacuum processing apparatus
GB2320929A (en) * 1997-01-02 1998-07-08 Gen Electric Electric arc spray process for applying a heat transfer enhancement metallic coating
US5822172A (en) * 1994-10-17 1998-10-13 Varian Associates, Inc. Apparatus and method for temperature control of workpieces in vacuum
US6099652A (en) * 1995-06-07 2000-08-08 Saint-Gobain Industrial Ceramics, Inc. Apparatus and method for depositing a substance with temperature control
WO2001004945A1 (en) * 1999-07-08 2001-01-18 Lam Research Corporation Electrostatic chuck and its manufacturing method
US6183523B1 (en) * 1997-03-03 2001-02-06 Tokyo Electron Limited Apparatus for thermal control of variously sized articles in vacuum

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1145A (en) * 1839-05-07 Mode of constructing railroad-cars
US4184188A (en) * 1978-01-16 1980-01-15 Veeco Instruments Inc. Substrate clamping technique in IC fabrication processes
US4603466A (en) 1984-02-17 1986-08-05 Gca Corporation Wafer chuck
US5001423A (en) 1990-01-24 1991-03-19 International Business Machines Corporation Dry interface thermal chuck temperature control system for semiconductor wafer testing
JP3129452B2 (en) * 1990-03-13 2001-01-29 富士電機株式会社 Electrostatic chuck
US5230741A (en) 1990-07-16 1993-07-27 Novellus Systems, Inc. Gas-based backside protection during substrate processing
USH1145H (en) * 1990-09-25 1993-03-02 Sematech, Inc. Rapid temperature response wafer chuck
US5155652A (en) * 1991-05-02 1992-10-13 International Business Machines Corporation Temperature cycling ceramic electrostatic chuck
US5478429A (en) * 1993-01-20 1995-12-26 Tokyo Electron Limited Plasma process apparatus
JPH07153825A (en) * 1993-11-29 1995-06-16 Toto Ltd Electrostatic chuck and treatment method of body to be attracted which uses said chuck
US5581874A (en) * 1994-03-28 1996-12-10 Tokyo Electron Limited Method of forming a bonding portion
US5531835A (en) * 1994-05-18 1996-07-02 Applied Materials, Inc. Patterned susceptor to reduce electrostatic force in a CVD chamber
US5548470A (en) * 1994-07-19 1996-08-20 International Business Machines Corporation Characterization, modeling, and design of an electrostatic chuck with improved wafer temperature uniformity
US5583736A (en) * 1994-11-17 1996-12-10 The United States Of America As Represented By The Department Of Energy Micromachined silicon electrostatic chuck
US5511608A (en) * 1995-01-04 1996-04-30 Boyd; Trace L. Clampless vacuum heat transfer station
US5609720A (en) 1995-09-29 1997-03-11 Lam Research Corporation Thermal control of semiconductor wafer during reactive ion etching
US5810933A (en) * 1996-02-16 1998-09-22 Novellus Systems, Inc. Wafer cooling device
US5761023A (en) 1996-04-25 1998-06-02 Applied Materials, Inc. Substrate support with pressure zones having reduced contact area and temperature feedback
US5846375A (en) * 1996-09-26 1998-12-08 Micron Technology, Inc. Area specific temperature control for electrode plates and chucks used in semiconductor processing equipment
US5936829A (en) 1997-01-02 1999-08-10 Cvc Products, Inc. Thermally conductive chuck for vacuum processor
US5856906A (en) 1997-05-12 1999-01-05 Applied Materials, Inc. Backside gas quick dump apparatus for a semiconductor wafer processing system
US6009652A (en) * 1997-08-07 2000-01-04 Smith; David A. Sign construction
US6102113A (en) * 1997-09-16 2000-08-15 B/E Aerospace Temperature control of individual tools in a cluster tool system
US6447853B1 (en) * 1998-11-30 2002-09-10 Kawasaki Microelectronics, Inc. Method and apparatus for processing semiconductor substrates
US6544338B1 (en) * 2000-02-10 2003-04-08 Novellus Systems, Inc. Inverted hot plate cure module
US6628503B2 (en) * 2001-03-13 2003-09-30 Nikon Corporation Gas cooled electrostatic pin chuck for vacuum applications

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0467623A2 (en) * 1990-07-16 1992-01-22 Novellus Systems, Inc. Apparatus for and method of protection during substrate processing
US5201847A (en) * 1991-11-21 1993-04-13 Westinghouse Electric Corp. Shroud design
US5583737A (en) * 1992-12-02 1996-12-10 Applied Materials, Inc. Electrostatic chuck usable in high density plasma
US5460684A (en) * 1992-12-04 1995-10-24 Tokyo Electron Limited Stage having electrostatic chuck and plasma processing apparatus using same
US5591269A (en) * 1993-06-24 1997-01-07 Tokyo Electron Limited Vacuum processing apparatus
US5822172A (en) * 1994-10-17 1998-10-13 Varian Associates, Inc. Apparatus and method for temperature control of workpieces in vacuum
US6099652A (en) * 1995-06-07 2000-08-08 Saint-Gobain Industrial Ceramics, Inc. Apparatus and method for depositing a substance with temperature control
GB2320929A (en) * 1997-01-02 1998-07-08 Gen Electric Electric arc spray process for applying a heat transfer enhancement metallic coating
US6183523B1 (en) * 1997-03-03 2001-02-06 Tokyo Electron Limited Apparatus for thermal control of variously sized articles in vacuum
WO2001004945A1 (en) * 1999-07-08 2001-01-18 Lam Research Corporation Electrostatic chuck and its manufacturing method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
WANG Z ET AL: "A TECHNIQUE FOR MEASURING CONVECTIVE HEAT TRANSFER AT ROUGH SURFACES", TRANSACTIONS OF THE INSTITUTE OF MEASUREMENT AND CONTROL, INSTITUTE OF MEASUREMENT AND CONTROL. DORKING, GB, vol. 13, no. 3, 1991, pages 145 - 154-140, XP000241984, ISSN: 0142-3312 *
WRIGHT D R ET AL: "LOW TEMPERATURE ETCH CHUCK: MODELING AND EXPERIMENTAL RESULTS OF HEAT TRANSFER AND WAFER TEMPERATURE", JOURNAL OF VACUUM SCIENCE AND TECHNOLOGY: PART A, AMERICAN INSTITUTE OF PHYSICS. NEW YORK, US, vol. A10, no. 4, August 1992 (1992-08-01), pages 1065 - 1070, XP001009501, ISSN: 0734-2101 *

Also Published As

Publication number Publication date
AU2002236931A1 (en) 2002-10-03
US20040043639A1 (en) 2004-03-04
CN1491435A (en) 2004-04-21
KR20030076681A (en) 2003-09-26
US7017652B2 (en) 2006-03-28
JP2004536447A (en) 2004-12-02
KR100655986B1 (en) 2006-12-08
WO2002075790A2 (en) 2002-09-26
TWI272689B (en) 2007-02-01

Similar Documents

Publication Publication Date Title
WO2002075790A3 (en) Method and apparatus for transferring heat from a substrate to a chuck
US6095582A (en) Article holders and holding methods
JP2000511354A (en) Non-contact cage for wafer-like articles
EP0776030A3 (en) Apparatus and method for double-side polishing semiconductor wafers
WO2002031219A8 (en) Electrostatically clamped edge ring for plasma processing
WO1999025006A3 (en) Electrostatic chuck having improved gas conduits
Tong et al. Thickness considerations in direct silicon wafer bonding
AU6287899A (en) Method and device for compensating wafer bias in a plasma processing chamber
EP1291910A4 (en) Wafer chuck, exposure system, and method of manufacturing semiconductor device
TW356571B (en) Method of forming stress adjustable insulator film semiconductor device and its fabrication method
EP0665580A3 (en) Method and apparatus for global planarisation of a surface of a semiconductor wafer.
EP1304727A3 (en) Wafer handling system and method for use in lithography patterning
EP0239266A3 (en) Transfer system in a clean room
WO2003058707A1 (en) Semiconductor processing system and semiconductor carrying mechanism
EP1103639A3 (en) Plating apparatus and method
WO2002029856A3 (en) A testing device for semiconductor components and a method of using the same
AU2001270277A1 (en) Apparatus and methods for semiconductor wafer processing equipment
TW323990B (en) Apparatus for separating and removing an upmost sheet of paper from a stack of paper
GB2361086B (en) ID recognition apparatus and ID recognition sorter system for semiconductor wafer
EP0887846A3 (en) Method of reducing the formation of watermarks on semiconductor wafers
US4956024A (en) Non-contacting method of cleaning surfaces with a planoar gas bearing
TW291587B (en) Methods and apparatus for reducing etch rate loading
CA2151325A1 (en) Method of positioning ophthalmic lenses
EP0605725A4 (en) Apparatus for introducing gas, and apparatus and method for epitaxial growth.
WO2002005327A3 (en) Semiconductor substrate processing tool and fabrications facilities integration plate

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC 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 MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SD SE SG SI SK SL TJ TM TN TR TT TZ UA UG US UZ VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM 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 TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

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: A3

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC 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 MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SD SE SG SI SK SL TJ TM TN TR TT TZ UA UG US UZ VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A3

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM 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 TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 10639510

Country of ref document: US

WWE Wipo information: entry into national phase

Ref document number: 1020037010707

Country of ref document: KR

Ref document number: 2002574108

Country of ref document: JP

WWE Wipo information: entry into national phase

Ref document number: 028050843

Country of ref document: CN

WWP Wipo information: published in national office

Ref document number: 1020037010707

Country of ref document: KR

REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

122 Ep: pct application non-entry in european phase