JPS5022988B1 - - Google Patents

Info

Publication number
JPS5022988B1
JPS5022988B1 JP44104499A JP10449969A JPS5022988B1 JP S5022988 B1 JPS5022988 B1 JP S5022988B1 JP 44104499 A JP44104499 A JP 44104499A JP 10449969 A JP10449969 A JP 10449969A JP S5022988 B1 JPS5022988 B1 JP S5022988B1
Authority
JP
Japan
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.)
Pending
Application number
JP44104499A
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 filed Critical
Publication of JPS5022988B1 publication Critical patent/JPS5022988B1/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C30B29/00Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/02Elements
    • C30B29/06Silicon
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/02Silicon
    • 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
    • C23C16/48Chemical 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 by irradiation, e.g. photolysis, radiolysis, particle radiation
    • C23C16/481Chemical 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 by irradiation, e.g. photolysis, radiolysis, particle radiation by radiant heating of the substrate
    • 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
    • C23C16/48Chemical 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 by irradiation, e.g. photolysis, radiolysis, particle radiation
    • C23C16/482Chemical 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 by irradiation, e.g. photolysis, radiolysis, particle radiation using incoherent light, UV to IR, e.g. lamps
    • 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
    • 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
    • Y10S117/00Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
    • Y10S117/903Dendrite or web or cage technique
    • Y10S117/904Laser beam
    • 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
    • Y10S148/00Metal treatment
    • Y10S148/007Autodoping
    • 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
    • Y10S148/00Metal treatment
    • Y10S148/017Clean surfaces
    • 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
    • Y10S148/00Metal treatment
    • Y10S148/027Dichlorosilane
    • 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
    • Y10S148/00Metal treatment
    • Y10S148/049Equivalence and options
    • 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
    • Y10S148/00Metal treatment
    • Y10S148/051Etching
    • 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
    • Y10S148/00Metal treatment
    • Y10S148/071Heating, selective

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Chemical Vapour Deposition (AREA)
  • Silicon Compounds (AREA)
  • Drying Of Semiconductors (AREA)
JP44104499A 1969-01-02 1969-12-26 Pending JPS5022988B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1900116A DE1900116C3 (de) 1969-01-02 1969-01-02 Verfahren zum Herstellen hxxochreiner, aus Silicium bestehender einkristalliner Schichten

Publications (1)

Publication Number Publication Date
JPS5022988B1 true JPS5022988B1 (ja) 1975-08-04

Family

ID=5721664

Family Applications (1)

Application Number Title Priority Date Filing Date
JP44104499A Pending JPS5022988B1 (ja) 1969-01-02 1969-12-26

Country Status (9)

Country Link
US (1) US3661637A (ja)
JP (1) JPS5022988B1 (ja)
AT (1) AT309535B (ja)
CH (1) CH523970A (ja)
DE (1) DE1900116C3 (ja)
FR (1) FR2031018A5 (ja)
GB (1) GB1275891A (ja)
NL (1) NL6915313A (ja)
SE (1) SE363245B (ja)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
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US3900597A (en) * 1973-12-19 1975-08-19 Motorola Inc System and process for deposition of polycrystalline silicon with silane in vacuum
NL165134B (nl) * 1974-04-24 1980-10-15 Nippon Telegraph & Telephone Werkwijze voor de vervaardiging van een staaf als tussenprodukt voor de vervaardiging van een optische vezel en werkwijze voor de vervaardiging van een optische vezel uit zulk een tussenprodukt.
US3945864A (en) * 1974-05-28 1976-03-23 Rca Corporation Method of growing thick expitaxial layers of silicon
US4081313A (en) * 1975-01-24 1978-03-28 Applied Materials, Inc. Process for preparing semiconductor wafers with substantially no crystallographic slip
DE2536174C3 (de) * 1975-08-13 1983-11-03 Siemens AG, 1000 Berlin und 8000 München Verfahren zum Herstellen von polykristallinen Siliciumschichten für Halbleiterbauelemente
US4115163A (en) * 1976-01-08 1978-09-19 Yulia Ivanovna Gorina Method of growing epitaxial semiconductor films utilizing radiant heating
US4284867A (en) * 1979-02-09 1981-08-18 General Instrument Corporation Chemical vapor deposition reactor with infrared reflector
BR7908672A (pt) * 1979-11-30 1981-06-30 Brasilia Telecom Processo de posicao de filmes a partir da fase vapor
US4348428A (en) * 1980-12-15 1982-09-07 Board Of Regents For Oklahoma Agriculture And Mechanical Colleges Acting For And On Behalf Of Oklahoma State University Of Agriculture And Applied Sciences Method of depositing doped amorphous semiconductor on a substrate
US4421592A (en) * 1981-05-22 1983-12-20 United Technologies Corporation Plasma enhanced deposition of semiconductors
US4637127A (en) * 1981-07-07 1987-01-20 Nippon Electric Co., Ltd. Method for manufacturing a semiconductor device
US4435445A (en) * 1982-05-13 1984-03-06 Energy Conversion Devices, Inc. Photo-assisted CVD
JPS59207631A (ja) * 1983-05-11 1984-11-24 Semiconductor Res Found 光化学を用いたドライプロセス装置
FR2548218B1 (fr) * 1983-06-29 1987-03-06 Pauleau Yves Procede de depot de couches minces par reaction chimique en phase gazeuse utilisant deux rayonnements differents
US6784033B1 (en) 1984-02-15 2004-08-31 Semiconductor Energy Laboratory Co., Ltd. Method for the manufacture of an insulated gate field effect semiconductor device
DE3407089A1 (de) * 1984-02-27 1985-08-29 Siemens Ag Verfahren und vorrichtung zur lichtinduzierten, fotolytischen abscheidung
US4649261A (en) * 1984-02-28 1987-03-10 Tamarack Scientific Co., Inc. Apparatus for heating semiconductor wafers in order to achieve annealing, silicide formation, reflow of glass passivation layers, etc.
US4698486A (en) * 1984-02-28 1987-10-06 Tamarack Scientific Co., Inc. Method of heating semiconductor wafers in order to achieve annealing, silicide formation, reflow of glass passivation layers, etc.
US4581248A (en) * 1984-03-07 1986-04-08 Roche Gregory A Apparatus and method for laser-induced chemical vapor deposition
US4683147A (en) * 1984-04-16 1987-07-28 Canon Kabushiki Kaisha Method of forming deposition film
US4683144A (en) * 1984-04-16 1987-07-28 Canon Kabushiki Kaisha Method for forming a deposited film
JPH0766909B2 (ja) * 1984-07-26 1995-07-19 新技術事業団 元素半導体単結晶薄膜の成長法
JPH0766910B2 (ja) * 1984-07-26 1995-07-19 新技術事業団 半導体単結晶成長装置
GB2162207B (en) * 1984-07-26 1989-05-10 Japan Res Dev Corp Semiconductor crystal growth apparatus
GB2162862B (en) * 1984-07-26 1988-10-19 Japan Res Dev Corp A method of growing a thin film single crystalline semiconductor
JPH0766906B2 (ja) * 1984-07-26 1995-07-19 新技術事業団 GaAsエピタキシャル成長方法
DE3437120A1 (de) * 1984-10-10 1986-04-10 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zum herstellen von halbleiterschichten auf halbleiterkoerpern oder zur eindiffusion von stoerstellen im halbleiterkoerper
JPS61104614A (ja) * 1984-10-29 1986-05-22 Canon Inc 堆積膜形成法
JPH0752718B2 (ja) 1984-11-26 1995-06-05 株式会社半導体エネルギー研究所 薄膜形成方法
US6786997B1 (en) 1984-11-26 2004-09-07 Semiconductor Energy Laboratory Co., Ltd. Plasma processing apparatus
US6113701A (en) 1985-02-14 2000-09-05 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device, manufacturing method, and system
US4569855A (en) * 1985-04-11 1986-02-11 Canon Kabushiki Kaisha Method of forming deposition film
JPS61260622A (ja) * 1985-05-15 1986-11-18 Res Dev Corp Of Japan GaAs単結晶薄膜の成長法
US4694777A (en) * 1985-07-03 1987-09-22 Roche Gregory A Apparatus for, and methods of, depositing a substance on a substrate
US4668530A (en) * 1985-07-23 1987-05-26 Massachusetts Institute Of Technology Low pressure chemical vapor deposition of refractory metal silicides
US6673722B1 (en) 1985-10-14 2004-01-06 Semiconductor Energy Laboratory Co., Ltd. Microwave enhanced CVD system under magnetic field
US6230650B1 (en) 1985-10-14 2001-05-15 Semiconductor Energy Laboratory Co., Ltd. Microwave enhanced CVD system under magnetic field
JPS6291494A (ja) * 1985-10-16 1987-04-25 Res Dev Corp Of Japan 化合物半導体単結晶成長方法及び装置
US5294285A (en) * 1986-02-07 1994-03-15 Canon Kabushiki Kaisha Process for the production of functional crystalline film
US4800173A (en) * 1986-02-20 1989-01-24 Canon Kabushiki Kaisha Process for preparing Si or Ge epitaxial film using fluorine oxidant
US4918028A (en) * 1986-04-14 1990-04-17 Canon Kabushiki Kaisha Process for photo-assisted epitaxial growth using remote plasma with in-situ etching
US5427824A (en) * 1986-09-09 1995-06-27 Semiconductor Energy Laboratory Co., Ltd. CVD apparatus
KR910003742B1 (ko) * 1986-09-09 1991-06-10 세미콘덕터 에너지 라보라터리 캄파니 리미티드 Cvd장치
DE3752208T2 (de) * 1986-11-10 1998-12-24 Semiconductor Energy Laboratory Co., Ltd., Atsugi, Kanagawa Durch Mikrowellen gesteigertes CVD-Verfahren und -Gerät
US6677001B1 (en) * 1986-11-10 2004-01-13 Semiconductor Energy Laboratory Co., Ltd. Microwave enhanced CVD method and apparatus
US5755886A (en) * 1986-12-19 1998-05-26 Applied Materials, Inc. Apparatus for preventing deposition gases from contacting a selected region of a substrate during deposition processing
US5000113A (en) 1986-12-19 1991-03-19 Applied Materials, Inc. Thermal CVD/PECVD reactor and use for thermal chemical vapor deposition of silicon dioxide and in-situ multi-step planarized process
US4926791A (en) 1987-04-27 1990-05-22 Semiconductor Energy Laboratory Co., Ltd. Microwave plasma apparatus employing helmholtz coils and ioffe bars
US5688565A (en) * 1988-12-27 1997-11-18 Symetrix Corporation Misted deposition method of fabricating layered superlattice materials
US5456945A (en) * 1988-12-27 1995-10-10 Symetrix Corporation Method and apparatus for material deposition
US5614252A (en) * 1988-12-27 1997-03-25 Symetrix Corporation Method of fabricating barium strontium titanate
US5119760A (en) * 1988-12-27 1992-06-09 Symetrix Corporation Methods and apparatus for material deposition
JP2914992B2 (ja) * 1989-03-31 1999-07-05 キヤノン株式会社 堆積膜形成方法
KR930011413B1 (ko) 1990-09-25 1993-12-06 가부시키가이샤 한도오따이 에네루기 겐큐쇼 펄스형 전자파를 사용한 플라즈마 cvd 법
US5962085A (en) * 1991-02-25 1999-10-05 Symetrix Corporation Misted precursor deposition apparatus and method with improved mist and mist flow
US5322813A (en) * 1992-08-31 1994-06-21 International Business Machines Corporation Method of making supersaturated rare earth doped semiconductor layers by chemical vapor deposition
US6594446B2 (en) 2000-12-04 2003-07-15 Vortek Industries Ltd. Heat-treating methods and systems
KR101067901B1 (ko) * 2001-12-26 2011-09-28 맷슨 테크날러지 캐나다 인코퍼레이티드 온도 측정 및 열처리 방법과 시스템
AU2003287837A1 (en) 2002-12-20 2004-07-14 Vortek Industries Ltd Methods and systems for supporting a workpiece and for heat-treating the workpiece
JP5630935B2 (ja) * 2003-12-19 2014-11-26 マトソン テクノロジー、インコーポレイテッド 工作物の熱誘起運動を抑制する機器及び装置
JP5967859B2 (ja) * 2006-11-15 2016-08-10 マトソン テクノロジー、インコーポレイテッド 熱処理中の被加工物を支持するシステムおよび方法
KR101610269B1 (ko) 2008-05-16 2016-04-07 맷슨 테크놀로지, 인크. 워크피스 파손 방지 방법 및 장치

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US3017251A (en) * 1958-08-19 1962-01-16 Du Pont Process for the production of silicon
NL248040A (ja) * 1959-02-13
NL133151C (ja) * 1959-05-28 1900-01-01
DE1278800B (de) * 1962-08-27 1968-09-26 Siemens Ag Verfahren zum schichtweisen kristallinen Vakuumaufdampfen hochreinen sproeden Materials
DE1262244B (de) * 1964-12-23 1968-03-07 Siemens Ag Verfahren zum epitaktischen Abscheiden einer kristallinen Schicht, insbesondere aus Halbleitermaterial
US3458368A (en) * 1966-05-23 1969-07-29 Texas Instruments Inc Integrated circuits and fabrication thereof
US3546036A (en) * 1966-06-13 1970-12-08 North American Rockwell Process for etch-polishing sapphire and other oxides

Also Published As

Publication number Publication date
CH523970A (de) 1972-06-15
DE1900116B2 (de) 1978-02-09
US3661637A (en) 1972-05-09
DE1900116C3 (de) 1978-10-19
AT309535B (de) 1973-08-27
SE363245B (ja) 1974-01-14
GB1275891A (en) 1972-05-24
DE1900116A1 (de) 1970-08-06
FR2031018A5 (ja) 1970-11-13
NL6915313A (ja) 1970-07-06

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