DE69031903T2 - Verfahren zum Herstellen von Zwischenschicht-Kontakten - Google Patents

Verfahren zum Herstellen von Zwischenschicht-Kontakten

Info

Publication number
DE69031903T2
DE69031903T2 DE69031903T DE69031903T DE69031903T2 DE 69031903 T2 DE69031903 T2 DE 69031903T2 DE 69031903 T DE69031903 T DE 69031903T DE 69031903 T DE69031903 T DE 69031903T DE 69031903 T2 DE69031903 T2 DE 69031903T2
Authority
DE
Germany
Prior art keywords
interlayer contacts
making interlayer
making
contacts
interlayer
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 - Fee Related
Application number
DE69031903T
Other languages
English (en)
Other versions
DE69031903D1 (de
Inventor
Fusen E Chen
Fu-Tai Liou
Timothy Edward Turner
Che-Chia Wei
Yih-Shung Lin
Girish Anant Dixit
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.)
STMicroelectronics lnc USA
Original Assignee
SGS Thomson Microelectronics 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 SGS Thomson Microelectronics Inc filed Critical SGS Thomson Microelectronics Inc
Application granted granted Critical
Publication of DE69031903D1 publication Critical patent/DE69031903D1/de
Publication of DE69031903T2 publication Critical patent/DE69031903T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H01L21/70Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/71Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/768Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
    • H01L21/76838Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
    • H01L21/76841Barrier, adhesion or liner layers
    • H01L21/76853Barrier, adhesion or liner layers characterized by particular after-treatment steps
    • H01L21/76855After-treatment introducing at least one additional element into the layer
    • H01L21/76858After-treatment introducing at least one additional element into the layer by diffusing alloying elements
    • 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
    • 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
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/28Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
    • H01L21/283Deposition of conductive or insulating materials for electrodes conducting electric current
    • H01L21/285Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
    • H01L21/28506Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
    • H01L21/28512Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic System
    • 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
    • H01L21/70Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/71Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/768Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
    • H01L21/76838Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
    • H01L21/76841Barrier, adhesion or liner layers
    • H01L21/76843Barrier, adhesion or liner layers formed in openings in a dielectric
    • 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
    • H01L21/70Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/71Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/768Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
    • H01L21/76838Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
    • H01L21/76841Barrier, adhesion or liner layers
    • H01L21/76843Barrier, adhesion or liner layers formed in openings in a dielectric
    • H01L21/76846Layer combinations
    • 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
    • H01L21/70Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/71Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/768Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
    • H01L21/76838Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
    • H01L21/76877Filling of holes, grooves or trenches, e.g. vias, with conductive material
    • 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
    • H01L21/70Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/71Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/768Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
    • H01L21/76838Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
    • H01L21/76885By forming conductive members before deposition of protective insulating material, e.g. pillars, studs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/48Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
    • H01L23/482Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of lead-in layers inseparably applied to the semiconductor body
    • H01L23/485Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of lead-in layers inseparably applied to the semiconductor body consisting of layered constructions comprising conductive layers and insulating layers, e.g. planar contacts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/52Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
    • H01L23/522Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
    • H01L23/532Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body characterised by the materials
    • H01L23/53204Conductive materials
    • H01L23/53209Conductive materials based on metals, e.g. alloys, metal silicides
    • H01L23/53214Conductive materials based on metals, e.g. alloys, metal silicides the principal metal being aluminium
    • H01L23/53223Additional layers associated with aluminium layers, e.g. adhesion, barrier, cladding layers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/0002Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
DE69031903T 1989-11-30 1990-08-30 Verfahren zum Herstellen von Zwischenschicht-Kontakten Expired - Fee Related DE69031903T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44389889A 1989-11-30 1989-11-30

Publications (2)

Publication Number Publication Date
DE69031903D1 DE69031903D1 (de) 1998-02-12
DE69031903T2 true DE69031903T2 (de) 1998-04-16

Family

ID=23762627

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69031903T Expired - Fee Related DE69031903T2 (de) 1989-11-30 1990-08-30 Verfahren zum Herstellen von Zwischenschicht-Kontakten

Country Status (5)

Country Link
US (1) US6617242B1 (de)
EP (1) EP0430403B1 (de)
JP (1) JPH03220751A (de)
KR (1) KR910008794A (de)
DE (1) DE69031903T2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6271137B1 (en) 1989-11-30 2001-08-07 Stmicroelectronics, Inc. Method of producing an aluminum stacked contact/via for multilayer
DE69031903T2 (de) 1989-11-30 1998-04-16 Sgs Thomson Microelectronics Verfahren zum Herstellen von Zwischenschicht-Kontakten
US6242811B1 (en) 1989-11-30 2001-06-05 Stmicroelectronics, Inc. Interlevel contact including aluminum-refractory metal alloy formed during aluminum deposition at an elevated temperature
US5472912A (en) * 1989-11-30 1995-12-05 Sgs-Thomson Microelectronics, Inc. Method of making an integrated circuit structure by using a non-conductive plug
US5658828A (en) 1989-11-30 1997-08-19 Sgs-Thomson Microelectronics, Inc. Method for forming an aluminum contact through an insulating layer
KR960001601B1 (ko) * 1992-01-23 1996-02-02 삼성전자주식회사 반도체 장치의 접촉구 매몰방법 및 구조
US6287963B1 (en) 1990-11-05 2001-09-11 Stmicroelectronics, Inc. Method for forming a metal contact
KR920010620A (ko) * 1990-11-30 1992-06-26 원본미기재 다층 상호접속선을 위한 알루미늄 적층 접점/통로 형성방법
DE69225082T2 (de) * 1991-02-12 1998-08-20 Matsushita Electronics Corp Halbleiter-Vorrichtung mit Verdrahtung der verbesserten Zuverlässigkeit und Verfahren zu ihner Herstellung
CA2041730C (en) * 1991-05-02 2001-08-21 Luc Ouellet Stabilization of the interface between aluminum and titanium nitride
JP2937613B2 (ja) * 1991-07-16 1999-08-23 日本電気株式会社 薄膜配線およびその製造方法
EP0551117A2 (de) * 1992-01-08 1993-07-14 Mitsubishi Denki Kabushiki Kaisha Hochintegrierte Schaltung sowie Verfahren zur Herstellung von einem dünnen Film und dazugehörige Einrichtung
US6033534A (en) * 1992-05-20 2000-03-07 Siemens Aktiengesellschaft Method for producing an Al-containing layer with a planar surface on a substrate having hole structures with a high aspect ratio in the surface
DE69323513T2 (de) * 1992-07-27 1999-08-12 St Microelectronics Inc Planaxer Kontakt mit einer Lücke
EP0594300B1 (de) * 1992-09-22 1998-07-29 STMicroelectronics, Inc. Methode zur Herstellung eines Metallkontaktes
KR970001883B1 (ko) * 1992-12-30 1997-02-18 삼성전자 주식회사 반도체장치 및 그 제조방법
US5356836A (en) * 1993-08-19 1994-10-18 Industrial Technology Research Institute Aluminum plug process
US5594278A (en) * 1994-04-22 1997-01-14 Nippon Steel Corporation Semiconductor device having a via hole with an aspect ratio of not less than four, and interconnections therein
DE19515564B4 (de) * 1994-04-28 2008-07-03 Denso Corp., Kariya Elektrode für ein Halbleiterbauelement und Verfahren zur Herstellung derselben
EP0690503A1 (de) * 1994-05-31 1996-01-03 Advanced Micro Devices, Inc. Verbesserte Struktur einer Verbindungsleitung und Verfahren dafür
US5856707A (en) * 1995-09-11 1999-01-05 Stmicroelectronics, Inc. Vias and contact plugs with an aspect ratio lower than the aspect ratio of the structure in which they are formed
US6307267B1 (en) 1997-12-26 2001-10-23 Kabushiki Kaisha Toshiba Semiconductor device and manufacturing method thereof
JP2001060590A (ja) 1999-08-20 2001-03-06 Denso Corp 半導体装置の電気配線及びその製造方法
US6617689B1 (en) * 2000-08-31 2003-09-09 Micron Technology, Inc. Metal line and method of suppressing void formation therein
US20070120199A1 (en) * 2005-11-30 2007-05-31 Advanced Micro Devices, Inc. Low resistivity compound refractory metal silicides with high temperature stability
TWI680535B (zh) * 2016-06-14 2019-12-21 美商應用材料股份有限公司 金屬及含金屬化合物之氧化體積膨脹
US10763207B2 (en) 2017-11-21 2020-09-01 Samsung Electronics Co., Ltd. Interconnects having long grains and methods of manufacturing the same

Family Cites Families (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3158504A (en) * 1960-10-07 1964-11-24 Texas Instruments Inc Method of alloying an ohmic contact to a semiconductor
US3900598A (en) * 1972-03-13 1975-08-19 Motorola Inc Ohmic contacts and method of producing same
US4107726A (en) * 1977-01-03 1978-08-15 Raytheon Company Multilayer interconnected structure for semiconductor integrated circuit
JPS6047739B2 (ja) * 1977-11-17 1985-10-23 松下電器産業株式会社 半導体装置の製造方法
US4436582A (en) * 1980-10-28 1984-03-13 Saxena Arjun N Multilevel metallization process for integrated circuits
JPS57139939A (en) 1981-02-23 1982-08-30 Seiko Instr & Electronics Ltd Semiconductor device
JPS5846641A (ja) * 1981-09-14 1983-03-18 Fujitsu Ltd 半導体装置の製造方法
US4478881A (en) 1981-12-28 1984-10-23 Solid State Devices, Inc. Tungsten barrier contact
GB2128636B (en) 1982-10-19 1986-01-08 Motorola Ltd Silicon-aluminium alloy metallization of semiconductor substrate
US4495221A (en) 1982-10-26 1985-01-22 Signetics Corporation Variable rate semiconductor deposition process
DE3326142A1 (de) 1983-07-20 1985-01-31 Siemens AG, 1000 Berlin und 8000 München Integrierte halbleiterschaltung mit einer aus aluminium oder aus einer aluminiumlegierung bestehenden aeusseren kontaktleiterbahnebene
JPS6063926A (ja) 1983-08-31 1985-04-12 Fujitsu Ltd 半導体装置の製造方法
US4502209A (en) 1983-08-31 1985-03-05 At&T Bell Laboratories Forming low-resistance contact to silicon
JPS60227446A (ja) 1984-04-25 1985-11-12 Mitsubishi Electric Corp 半導体装置の製造方法
US4566177A (en) 1984-05-11 1986-01-28 Signetics Corporation Formation of electromigration resistant aluminum alloy conductors
US4661228A (en) * 1984-05-17 1987-04-28 Varian Associates, Inc. Apparatus and method for manufacturing planarized aluminum films
GB2164491B (en) * 1984-09-14 1988-04-07 Stc Plc Semiconductor devices
JPS61142739A (ja) * 1984-12-17 1986-06-30 Toshiba Corp 半導体装置の製造方法
US5278099A (en) 1985-05-13 1994-01-11 Kabushiki Kaisha Toshiba Method for manufacturing a semiconductor device having wiring electrodes
JPS62241373A (ja) 1986-04-11 1987-10-22 Mitsubishi Electric Corp 半導体装置
US4796081A (en) * 1986-05-02 1989-01-03 Advanced Micro Devices, Inc. Low resistance metal contact for silicon devices
US4721689A (en) 1986-08-28 1988-01-26 International Business Machines Corporation Method for simultaneously forming an interconnection level and via studs
JPH0691091B2 (ja) * 1986-11-13 1994-11-14 富士通株式会社 半導体装置の製造方法
JPH081950B2 (ja) * 1986-11-21 1996-01-10 株式会社東芝 半導体装置の製造方法
JPS63136547A (ja) 1986-11-27 1988-06-08 Matsushita Electronics Corp 半導体装置の配線形成方法
US4756810A (en) 1986-12-04 1988-07-12 Machine Technology, Inc. Deposition and planarizing methods and apparatus
JPS63142832A (ja) 1986-12-05 1988-06-15 Fujitsu Ltd 半導体装置の製造方法
JPS63162854A (ja) * 1986-12-25 1988-07-06 Fujitsu Ltd 金属膜形成方法
US4782380A (en) * 1987-01-22 1988-11-01 Advanced Micro Devices, Inc. Multilayer interconnection for integrated circuit structure having two or more conductive metal layers
US4988423A (en) 1987-06-19 1991-01-29 Matsushita Electric Industrial Co., Ltd. Method for fabricating interconnection structure
JPS6477122A (en) * 1987-09-18 1989-03-23 Fujitsu Ltd Manufacture of semiconductor device
US4758533A (en) * 1987-09-22 1988-07-19 Xmr Inc. Laser planarization of nonrefractory metal during integrated circuit fabrication
JPH0719841B2 (ja) * 1987-10-02 1995-03-06 株式会社東芝 半導体装置
JPH01160036A (ja) 1987-12-17 1989-06-22 Oki Electric Ind Co Ltd 半導体装置
NL8800359A (nl) 1988-02-15 1989-09-01 Philips Nv Werkwijze voor het vervaardigen van een halfgeleiderinrichting.
US4837183A (en) * 1988-05-02 1989-06-06 Motorola Inc. Semiconductor device metallization process
FR2634317A1 (fr) 1988-07-12 1990-01-19 Philips Nv Procede pour fabriquer un dispositif semiconducteur ayant au moins un niveau de prise de contact a travers des ouvertures de contact de petites dimensions
JPH0666287B2 (ja) * 1988-07-25 1994-08-24 富士通株式会社 半導体装置の製造方法
US4944961A (en) 1988-08-05 1990-07-31 Rensselaer Polytechnic Institute Deposition of metals on stepped surfaces
JPH02137230A (ja) 1988-11-17 1990-05-25 Nec Corp 集積回路装置
US4994162A (en) 1989-09-29 1991-02-19 Materials Research Corporation Planarization method
US4970176A (en) * 1989-09-29 1990-11-13 Motorola, Inc. Multiple step metallization process
US4975389A (en) * 1989-10-25 1990-12-04 At&T Bell Laboratories Aluminum metallization for semiconductor devices
DE69031903T2 (de) 1989-11-30 1998-04-16 Sgs Thomson Microelectronics Verfahren zum Herstellen von Zwischenschicht-Kontakten
US5108951A (en) * 1990-11-05 1992-04-28 Sgs-Thomson Microelectronics, Inc. Method for forming a metal contact
US5108570A (en) 1990-03-30 1992-04-28 Applied Materials, Inc. Multistep sputtering process for forming aluminum layer over stepped semiconductor wafer
KR920010620A (ko) 1990-11-30 1992-06-26 원본미기재 다층 상호접속선을 위한 알루미늄 적층 접점/통로 형성방법
JPH04363024A (ja) 1990-11-30 1992-12-15 Toshiba Corp 半導体装置の製造方法
JPH07109030B2 (ja) 1991-02-12 1995-11-22 アプライド マテリアルズ インコーポレイテッド 半導体ウェーハ上にアルミニウム層をスパッタする方法
AT398701B (de) * 1992-10-23 1995-01-25 Tyrolia Freizeitgeraete Skibindung mit einem fersenteil

Also Published As

Publication number Publication date
US6617242B1 (en) 2003-09-09
EP0430403B1 (de) 1998-01-07
DE69031903D1 (de) 1998-02-12
JPH03220751A (ja) 1991-09-27
EP0430403A2 (de) 1991-06-05
EP0430403A3 (en) 1992-03-11
KR910008794A (ko) 1991-05-31

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