EP1069211A3 - Electroplating solutions - Google Patents

Electroplating solutions Download PDF

Info

Publication number
EP1069211A3
EP1069211A3 EP00305941A EP00305941A EP1069211A3 EP 1069211 A3 EP1069211 A3 EP 1069211A3 EP 00305941 A EP00305941 A EP 00305941A EP 00305941 A EP00305941 A EP 00305941A EP 1069211 A3 EP1069211 A3 EP 1069211A3
Authority
EP
European Patent Office
Prior art keywords
compound
acid
electroplating solutions
organic
leveller
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.)
Withdrawn
Application number
EP00305941A
Other languages
German (de)
French (fr)
Other versions
EP1069211A2 (en
Inventor
Qing Min Wang
Weiji Huang
Miu Ling Lau
Carol Hsiuchin Liu
Ce Ma
Edward K. Chang
Wenpin Ho
Richard C. Paciej
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.)
Messer LLC
Original Assignee
BOC Group Inc
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 BOC Group Inc filed Critical BOC Group Inc
Publication of EP1069211A2 publication Critical patent/EP1069211A2/en
Publication of EP1069211A3 publication Critical patent/EP1069211A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00Electroplating: Baths therefor
    • C25D3/02Electroplating: Baths therefor from solutions
    • C25D3/38Electroplating: Baths therefor from solutions of copper

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Electrodes Of Semiconductors (AREA)

Abstract

An acid copper electroplating composition comprising an aqueous solution of an acid and a copper salt, wherein at least one carrier compound, a water-soluble, mercapto-containing organic brightener compound and a leveller compound which comprises an organic compound containing single or multiple charged centres are present.
EP00305941A 1999-07-15 2000-07-13 Electroplating solutions Withdrawn EP1069211A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US14415999P 1999-07-15 1999-07-15
US144159P 1999-07-15
US58359900A 2000-05-31 2000-05-31
US583599 2000-05-31

Publications (2)

Publication Number Publication Date
EP1069211A2 EP1069211A2 (en) 2001-01-17
EP1069211A3 true EP1069211A3 (en) 2003-12-17

Family

ID=26841728

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00305941A Withdrawn EP1069211A3 (en) 1999-07-15 2000-07-13 Electroplating solutions

Country Status (4)

Country Link
US (1) US20040187731A1 (en)
EP (1) EP1069211A3 (en)
JP (1) JP2001073182A (en)
KR (1) KR20010015342A (en)

Families Citing this family (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004531640A (en) * 2001-02-07 2004-10-14 マイクロリス・コーポレイシヨン Degassing method of aqueous plating solution
WO2002068727A2 (en) * 2001-02-23 2002-09-06 Ebara Corporation Copper-plating solution, plating method and plating apparatus
JP4793530B2 (en) * 2001-07-02 2011-10-12 上村工業株式会社 Copper sulfate plating bath
US6736954B2 (en) * 2001-10-02 2004-05-18 Shipley Company, L.L.C. Plating bath and method for depositing a metal layer on a substrate
US8002962B2 (en) * 2002-03-05 2011-08-23 Enthone Inc. Copper electrodeposition in microelectronics
US7316772B2 (en) * 2002-03-05 2008-01-08 Enthone Inc. Defect reduction in electrodeposited copper for semiconductor applications
JP3789107B2 (en) * 2002-07-23 2006-06-21 株式会社日鉱マテリアルズ Copper electrolytic solution containing amine compound and organic sulfur compound having specific skeleton as additive, and electrolytic copper foil produced thereby
JP4115240B2 (en) * 2002-10-21 2008-07-09 日鉱金属株式会社 Copper electrolytic solution containing quaternary amine compound having specific skeleton and organic sulfur compound as additive, and electrolytic copper foil produced thereby
JP4534460B2 (en) * 2002-11-11 2010-09-01 凸版印刷株式会社 Copper plating hardness maintenance agent, copper plating method, and gravure plate and lens mold using the same
JP4510369B2 (en) * 2002-11-28 2010-07-21 日本リーロナール有限会社 Electrolytic copper plating method
WO2004059040A1 (en) * 2002-12-25 2004-07-15 Nikko Materials Co., Ltd. Copper electrolytic solution containing quaternary amine compound polymer of specified skeleton and organic sulfur compound as additives and electrolytic copper foil produced therewith
EP1477588A1 (en) * 2003-02-19 2004-11-17 Rohm and Haas Electronic Materials, L.L.C. Copper Electroplating composition for wafers
US7128822B2 (en) 2003-06-04 2006-10-31 Shipley Company, L.L.C. Leveler compounds
JP2005029818A (en) * 2003-07-09 2005-02-03 Ebara Corp Plating method
US20050211564A1 (en) * 2004-03-29 2005-09-29 Taiwan Semiconductor Manufacturing Co., Ltd. Method and composition to enhance wetting of ECP electrolyte to copper seed
TW200613586A (en) 2004-07-22 2006-05-01 Rohm & Haas Elect Mat Leveler compounds
US20080087549A1 (en) * 2004-08-18 2008-04-17 Ebara-Udylite Co.,Ltd. Additive For Copper Plating And Process For Producing Electronic Circiut Substrate Therewith
US7442634B2 (en) * 2004-12-21 2008-10-28 Intel Corporation Method for constructing contact formations
JP4976725B2 (en) * 2005-03-31 2012-07-18 三井金属鉱業株式会社 Copper electrolyte and method for forming electrodeposited copper film using the copper electrolyte
US7662981B2 (en) 2005-07-16 2010-02-16 Rohm And Haas Electronic Materials Llc Leveler compounds
TWI328622B (en) * 2005-09-30 2010-08-11 Rohm & Haas Elect Mat Leveler compounds
JP2007146289A (en) * 2005-10-31 2007-06-14 Mitsui Mining & Smelting Co Ltd Manufacturing method of electrolytic copper foil, electrolytic copper foil obtained by the manufacturing method, surface-treated copper foil obtained by using the electrolytic copper foil, and copper-clad laminate obtained by using the electrolytic copper foil or the surface-treated copper foil
JP4816901B2 (en) * 2005-11-21 2011-11-16 上村工業株式会社 Electro copper plating bath
US20070158199A1 (en) * 2005-12-30 2007-07-12 Haight Scott M Method to modulate the surface roughness of a plated deposit and create fine-grained flat bumps
JP4895734B2 (en) * 2006-09-08 2012-03-14 荏原ユージライト株式会社 Leveling agent for plating, additive composition for acidic copper plating bath, acidic copper plating bath, and plating method using the plating bath
WO2008041706A1 (en) * 2006-10-03 2008-04-10 Mitsui Mining & Smelting Co., Ltd. Method of preparing electrolytic copper solution acidified with sulfuric acid, sulfuric-acid-acidified electrolytic copper solution prepared by the preparation method, and electrodeposited copper film
JP2008088524A (en) * 2006-10-04 2008-04-17 Ebara Udylite Kk Copper sulfate plating solution for printed circuit boards
US20080181813A1 (en) * 2007-01-26 2008-07-31 Baker Hughes Incorporated Novel Mercaptan-Based Corrosion Inhibitors
US8679317B2 (en) 2007-05-21 2014-03-25 C. Uyemura & Co., Ltd. Copper electroplating bath
US20090188805A1 (en) * 2008-01-25 2009-07-30 Government Of The United States Of America, As Represented By The Superconformal electrodeposition of nickel iron and cobalt magnetic alloys
EP2128903B1 (en) * 2008-05-30 2017-02-22 ATOTECH Deutschland GmbH Electroplating additive for the deposition of a metal, a binary, ternary, quaternary or pentanary alloy of elements of group 11 (IB)-group 13 (IIIA)-group 16 (VIA)
JP5525762B2 (en) * 2008-07-01 2014-06-18 上村工業株式会社 Electroless plating solution, electroless plating method using the same, and method for manufacturing wiring board
US8388824B2 (en) * 2008-11-26 2013-03-05 Enthone Inc. Method and composition for electrodeposition of copper in microelectronics with dipyridyl-based levelers
EP2199315B1 (en) 2008-12-19 2013-12-11 Basf Se Composition for metal electroplating comprising leveling agent
JP5578697B2 (en) * 2009-04-03 2014-08-27 公立大学法人大阪府立大学 Copper filling method
JP5568250B2 (en) 2009-05-18 2014-08-06 公立大学法人大阪府立大学 How to fill copper
CN102639639B (en) 2009-11-27 2015-06-03 巴斯夫欧洲公司 Composition for metal electroplating comprising leveling agent
CN102803389B (en) 2010-03-18 2016-07-06 巴斯夫欧洲公司 Composition for metal electroplating comprising leveling agent
TWI572750B (en) 2010-05-24 2017-03-01 安頌股份有限公司 Straight through perforated copper filling
KR101955869B1 (en) 2010-06-01 2019-03-07 바스프 에스이 Composition for metal electroplating comprising leveling agent
EP2392692A1 (en) 2010-06-01 2011-12-07 Basf Se Composition for metal electroplating comprising leveling agent
JP5505153B2 (en) * 2010-07-16 2014-05-28 上村工業株式会社 Electro copper plating bath and electro copper plating method
EP2465976B1 (en) 2010-12-15 2013-04-03 Rohm and Haas Electronic Materials LLC Method of electroplating uniform copper layer on the edge and walls of though holes of a substrate.
GB201100447D0 (en) * 2011-01-12 2011-02-23 Johnson Matthey Plc Improvements in coating technology
KR101705734B1 (en) * 2011-02-18 2017-02-14 삼성전자주식회사 Copper electroplating solution and method of copper electroplating using the same
EP2537962A1 (en) 2011-06-22 2012-12-26 Atotech Deutschland GmbH Method for copper plating
EP2735627A1 (en) * 2012-11-26 2014-05-28 ATOTECH Deutschland GmbH Copper plating bath composition
US20140238868A1 (en) * 2013-02-25 2014-08-28 Dow Global Technologies Llc Electroplating bath
CN103469260A (en) * 2013-09-27 2013-12-25 昆山纯柏精密五金有限公司 Acid copper plating method of hardware
EP2865787A1 (en) * 2013-10-22 2015-04-29 ATOTECH Deutschland GmbH Copper electroplating method
JP6474410B2 (en) * 2013-12-09 2019-02-27 アヴニ Copper electrodeposition bath containing electrochemically inert cations
TWI710671B (en) * 2014-09-15 2020-11-21 美商麥德美樂思公司 Levelers for copper deposition in microelectronics
US10450667B2 (en) 2014-10-27 2019-10-22 International Business Machines Corporation System for treating solution for use in electroplating application and method for treating solution for use in electroplating application
TWI689630B (en) 2014-11-05 2020-04-01 美商康寧公司 Bottom-up electrolyte plating method
US9611560B2 (en) 2014-12-30 2017-04-04 Rohm And Haas Electronic Materials Llc Sulfonamide based polymers for copper electroplating
US9783905B2 (en) 2014-12-30 2017-10-10 Rohm and Haas Electronic Mateirals LLC Reaction products of amino acids and epoxies
US9725816B2 (en) 2014-12-30 2017-08-08 Rohm And Haas Electronic Materials Llc Amino sulfonic acid based polymers for copper electroplating
KR102426521B1 (en) 2015-04-20 2022-07-27 아토테크 도이칠란트 게엠베하 운트 콤파니 카게 Electrolytic copper plating bath compositions and a method for their use
CN107636209B (en) * 2015-06-26 2021-07-02 住友金属矿山股份有限公司 conductive substrate
EP3135709B1 (en) 2015-08-31 2018-01-10 ATOTECH Deutschland GmbH Imidazoyl urea polymers and their use in metal or metal alloy plating bath compositions
US10767275B2 (en) 2015-08-31 2020-09-08 Atotech Deutschland Gmbh Aqueous copper plating baths and a method for deposition of copper or copper alloy onto a substrate
CN105239109A (en) * 2015-10-28 2016-01-13 福州瑞华印制线路板有限公司 Haring cell copper electroplating method
CN105200467B (en) * 2015-11-02 2019-01-29 江苏梦得新材料科技有限公司 A kind of Gravure hard copper additive and plating solution
WO2017090161A1 (en) * 2015-11-26 2017-06-01 近藤 和夫 Acidic copper plating solution, acidic copper plated product, and method for producing semiconductor device
EP3360988B1 (en) 2017-02-09 2019-06-26 ATOTECH Deutschland GmbH Pyridinium compounds, a synthesis method therefor, metal or metal alloy plating baths containing said pyridinium compounds and a method for use of said metal or metal alloy plating baths
ES2881029T3 (en) 2018-01-09 2021-11-26 Atotech Deutschland Gmbh Ureylene additive, its use and a method for its preparation
US10917966B2 (en) 2018-01-29 2021-02-09 Corning Incorporated Articles including metallized vias
JP6645609B2 (en) 2018-07-27 2020-02-14 三菱マテリアル株式会社 Tin alloy plating solution
CN112236548B (en) * 2018-07-27 2022-03-04 三菱综合材料株式会社 Tin alloy plating solution
KR102662397B1 (en) * 2018-10-23 2024-05-02 솔브레인 주식회사 Electroplating composition and electroplating method
US11746433B2 (en) * 2019-11-05 2023-09-05 Macdermid Enthone Inc. Single step electrolytic method of filling through holes in printed circuit boards and other substrates
CN110938848B (en) * 2019-12-26 2021-05-11 江苏艾森半导体材料股份有限公司 Composition for electrolytic deposition of copper and acid copper electroplating solution
EP3933073B1 (en) 2020-06-29 2023-11-29 Atotech Deutschland GmbH & Co. KG Copper electroplating bath
CN112144083B (en) * 2020-09-22 2021-12-10 广州三孚新材料科技股份有限公司 Cyanide-free copper plating electroplating solution for solar cell and preparation method thereof
JP7777550B2 (en) * 2021-01-20 2025-11-28 富士フイルム株式会社 Plating solution and method for manufacturing metal-filled structure
EP4032930B1 (en) 2021-01-22 2023-08-30 Atotech Deutschland GmbH & Co. KG Biuret-based quaternized polymers and their use in metal or metal alloy plating baths
CN113430598B (en) * 2021-08-27 2021-11-16 深圳市板明科技股份有限公司 Circuit board blind hole filling electro-coppering solution and application thereof
CN113956479B (en) * 2021-11-26 2022-12-02 电子科技大学 Accelerator for electroplating copper, synthesis method and application
CN116555848A (en) * 2023-06-05 2023-08-08 厦门大学 A kind of acidic copper plating solution additive for copper filling of through-silicon holes, acidic copper plating solution and copper metal filling method of through-silicon holes
CN116751362B (en) * 2023-08-21 2024-01-09 广东腐蚀科学与技术创新研究院 Water-soluble diaminourea polymer and preparation method and application thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4430173A (en) * 1981-07-24 1984-02-07 Rhone-Poulenc Specialties Chimiques Additive composition, bath and process for acid copper electroplating
US5051154A (en) * 1988-08-23 1991-09-24 Shipley Company Inc. Additive for acid-copper electroplating baths to increase throwing power
US5174886A (en) * 1991-02-22 1992-12-29 Mcgean-Rohco, Inc. High-throw acid copper plating using inert electrolyte
US5433840A (en) * 1991-08-07 1995-07-18 Atotech Deutschland Gmbh Acid bath for the galvanic deposition of copper, and the use of such a bath
US5849171A (en) * 1990-10-13 1998-12-15 Atotech Deutschland Gmbh Acid bath for copper plating and process with the use of this combination

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2954331A (en) * 1958-08-14 1960-09-27 Dayton Bright Copper Company Bright copper plating bath
NL291575A (en) * 1962-04-16
US3328273A (en) * 1966-08-15 1967-06-27 Udylite Corp Electro-deposition of copper from acidic baths
US3615736A (en) * 1969-01-06 1971-10-26 Enthone Electroless copper plating bath
BE755019A (en) * 1969-08-19 1971-02-19 Kuraray Co SHEET MATERIAL USABLE AS A SUCCEDANE FOR LEATHER.
US3715289A (en) * 1971-02-08 1973-02-06 Stauffer Chemical Co Brightener composition for acid copper electroplating baths
US4004956A (en) * 1974-08-14 1977-01-25 Enthone, Incorporated Selectively stripping tin or tin-lead alloys from copper substrates
US4134803A (en) * 1977-12-21 1979-01-16 R. O. Hull & Company, Inc. Nitrogen and sulfur compositions and acid copper plating baths
JPS6021240B2 (en) * 1980-01-12 1985-05-25 株式会社小糸製作所 Method and apparatus for replenishing plating solution with deposited copper
US4304646A (en) * 1980-10-27 1981-12-08 Enthone, Incorporated Method for selective removal of copper contaminants from activator solutions containing palladium and tin
US4376685A (en) * 1981-06-24 1983-03-15 M&T Chemicals Inc. Acid copper electroplating baths containing brightening and leveling additives
US4384930A (en) * 1981-08-21 1983-05-24 Mcgean-Rohco, Inc. Electroplating baths, additives therefor and methods for the electrodeposition of metals
US4490220A (en) * 1982-09-30 1984-12-25 Learonal, Inc. Electrolytic copper plating solutions
US4555315A (en) * 1984-05-29 1985-11-26 Omi International Corporation High speed copper electroplating process and bath therefor
US4790912A (en) * 1985-06-06 1988-12-13 Techno-Instruments Investments Ltd. Selective plating process for the electrolytic coating of circuit boards without an electroless metal coating
US4717439A (en) * 1985-10-24 1988-01-05 Enthone, Incorporated Process for the treatment of copper oxide in the preparation of printed circuit boards
US4808481A (en) * 1986-10-31 1989-02-28 American Cyanamid Company Injection molding granules comprising copper coated fibers
US4786746A (en) * 1987-09-18 1988-11-22 Pennsylvania Research Corporation Copper electroplating solutions and methods of making and using them
US4948474A (en) * 1987-09-18 1990-08-14 Pennsylvania Research Corporation Copper electroplating solutions and methods
US4897165A (en) * 1988-08-23 1990-01-30 Shipley Company Inc. Electroplating composition and process for plating through holes in printed circuit boards
US4954226A (en) * 1988-12-21 1990-09-04 International Business Machines Corporation Additive plating bath and process
US5215645A (en) * 1989-09-13 1993-06-01 Gould Inc. Electrodeposited foil with controlled properties for printed circuit board applications and procedures and electrolyte bath solutions for preparing the same
US5147905A (en) * 1991-05-01 1992-09-15 The Dow Chemical Company Advanced and unadvanced compositions, nucleophilic derivatives thereof and curable and coating compositions thereof
US5151170A (en) * 1991-12-19 1992-09-29 Mcgean-Rohco, Inc. Acid copper electroplating bath containing brightening additive
US5266212A (en) * 1992-10-13 1993-11-30 Enthone-Omi, Inc. Purification of cyanide-free copper plating baths
US5328589A (en) * 1992-12-23 1994-07-12 Enthone-Omi, Inc. Functional fluid additives for acid copper electroplating baths
US5630950A (en) * 1993-07-09 1997-05-20 Enthone-Omi, Inc. Copper brightening process and bath
US5402465A (en) * 1993-12-02 1995-03-28 Foltz; Jack D. Telephone trouble isolator
US5730854A (en) * 1996-05-30 1998-03-24 Enthone-Omi, Inc. Alkoxylated dimercaptans as copper additives and de-polarizing additives
US5733429A (en) * 1996-09-10 1998-03-31 Enthone-Omi, Inc. Polyacrylic acid additives for copper electrorefining and electrowinning
US5750018A (en) * 1997-03-18 1998-05-12 Learonal, Inc. Cyanide-free monovalent copper electroplating solutions
US5863410A (en) * 1997-06-23 1999-01-26 Circuit Foil Usa, Inc. Process for the manufacture of high quality very low profile copper foil and copper foil produced thereby
DE69929967T2 (en) * 1998-04-21 2007-05-24 Applied Materials, Inc., Santa Clara ELECTROPLATING SYSTEM AND METHOD FOR ELECTROPLATING ON SUBSTRATES

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4430173A (en) * 1981-07-24 1984-02-07 Rhone-Poulenc Specialties Chimiques Additive composition, bath and process for acid copper electroplating
US5051154A (en) * 1988-08-23 1991-09-24 Shipley Company Inc. Additive for acid-copper electroplating baths to increase throwing power
US5849171A (en) * 1990-10-13 1998-12-15 Atotech Deutschland Gmbh Acid bath for copper plating and process with the use of this combination
US5174886A (en) * 1991-02-22 1992-12-29 Mcgean-Rohco, Inc. High-throw acid copper plating using inert electrolyte
US5433840A (en) * 1991-08-07 1995-07-18 Atotech Deutschland Gmbh Acid bath for the galvanic deposition of copper, and the use of such a bath

Also Published As

Publication number Publication date
KR20010015342A (en) 2001-02-26
JP2001073182A (en) 2001-03-21
US20040187731A1 (en) 2004-09-30
EP1069211A2 (en) 2001-01-17

Similar Documents

Publication Publication Date Title
EP1069211A3 (en) Electroplating solutions
EP1054080A3 (en) Electrolytic copper plating solutions
EP1138805A3 (en) Tin electolyte
MY126221A (en) Direct electrolytic metallization of non-conducting substrates.
ATE292634T1 (en) INHIBITORS OF ALPHA-L BETA-2-MEDIATED CELL ADHESION
EP1189504A4 (en) Pyrithione biocides enhanced by silver, copper, or zinc ions
CA2001185A1 (en) Aqueous acid bath for the galvanic deposition of shiny copper coatings free from cracks and use of said bath
CA2277947A1 (en) Pyrrolidine derivatives having phospholipase a2 inhibitory activity
MXPA03011501A (en) Aromatic dicarboxylic acid derivatives.
CA2384283A1 (en) Process for preparing 4-trifluoromethylsulphinylpyrazole derivative
EP1342817A3 (en) Limiting the loss of tin through oxidation in tin or tin alloy electroplating bath solutions
CA2237546A1 (en) Corrosion inhibited organic acid compositions and methods
WO2002045104A3 (en) Method of and electrolyte for anodizing aluminium substrates
WO2005093134A3 (en) Iron-phosphorus electroplating bath and method
MXPA01008346A (en) Chemical compounds.
HU9800865D0 (en) Condensed piperidine compounds
EP0900789A3 (en) Substituted quinolone derivatives and pharmaceuticals containing the same
AU3643099A (en) Cathode blank for copper plating
AU2001294204A1 (en) Copper electroplating using insoluble anode
PL350425A1 (en) New process for preparing pesticidal intermediates
FR2768933B1 (en) HEAVY METAL REMOVAL AGENT COMPRISING A PHOSPHATE COMPOUND
MXPA00007514A (en) Complexing compositions.
AU9157082A (en) (1,2,4-)/(1,3-) azole compounds
EP1074539A3 (en) Process for producing optically active 3,3,3,-trifluoro-2-hydroxy-2-methylpropionic acid, and salt thereof
ES8501454A1 (en) Copper plating bath process and anode therefore

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

AKX Designation fees paid
REG Reference to a national code

Ref country code: DE

Ref legal event code: 8566

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20041218