ATE370254T1 - Verfahren zur herstellung hochreinen tantals für zerstäubungstargets - Google Patents

Verfahren zur herstellung hochreinen tantals für zerstäubungstargets

Info

Publication number
ATE370254T1
ATE370254T1 AT99925908T AT99925908T ATE370254T1 AT E370254 T1 ATE370254 T1 AT E370254T1 AT 99925908 T AT99925908 T AT 99925908T AT 99925908 T AT99925908 T AT 99925908T AT E370254 T1 ATE370254 T1 AT E370254T1
Authority
AT
Austria
Prior art keywords
high purity
purity tantalum
sputting
target
producing high
Prior art date
Application number
AT99925908T
Other languages
English (en)
Inventor
Harry Rosenberg
Bahri Ozturk
Guangxin Wang
Wesley Larue
Original Assignee
Honeywell Int 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 Honeywell Int Inc filed Critical Honeywell Int Inc
Application granted granted Critical
Publication of ATE370254T1 publication Critical patent/ATE370254T1/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00Obtaining refractory metals
    • C22B34/20Obtaining niobium, tantalum or vanadium
    • C22B34/24Obtaining niobium or tantalum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/16Making metallic powder or suspensions thereof using chemical processes
    • B22F9/30Making metallic powder or suspensions thereof using chemical processes with decomposition of metal compounds, e.g. by pyrolysis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G35/00Compounds of tantalum
    • C01G35/006Compounds containing, besides tantalum, two or more other elements, with the exception of oxygen or hydrogen
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00General methods of reducing to metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C27/00Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/02Alloys based on vanadium, niobium, or tantalum
    • 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
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/34Sputtering
    • C23C14/3407Cathode assembly for sputtering apparatus, e.g. Target
    • C23C14/3414Metallurgical or chemical aspects of target preparation, e.g. casting, powder metallurgy
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004Details
    • H01G9/04Electrodes or formation of dielectric layers thereon
    • H01G9/042Electrodes or formation of dielectric layers thereon characterised by the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00Aspects linked to processes or compositions used in powder metallurgy
    • 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
    • Y10S438/00Semiconductor device manufacturing: process
    • Y10S438/914Doping
    • Y10S438/923Diffusion through a layer
    • 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
    • Y10S438/00Semiconductor device manufacturing: process
    • Y10S438/968Semiconductor-metal-semiconductor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Power Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Physical Vapour Deposition (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT99925908T 1998-05-27 1999-05-26 Verfahren zur herstellung hochreinen tantals für zerstäubungstargets ATE370254T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8686898P 1998-05-27 1998-05-27
US09/316,777 US6323055B1 (en) 1998-05-27 1999-05-21 Tantalum sputtering target and method of manufacture

Publications (1)

Publication Number Publication Date
ATE370254T1 true ATE370254T1 (de) 2007-09-15

Family

ID=26775244

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99925908T ATE370254T1 (de) 1998-05-27 1999-05-26 Verfahren zur herstellung hochreinen tantals für zerstäubungstargets

Country Status (8)

Country Link
US (6) US6323055B1 (de)
EP (1) EP1090153B1 (de)
JP (1) JP2002516918A (de)
KR (1) KR100438670B1 (de)
AT (1) ATE370254T1 (de)
AU (1) AU4210199A (de)
DE (1) DE69936859T2 (de)
WO (1) WO1999061670A1 (de)

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CN105377481B (zh) 2014-02-27 2018-02-06 宁夏东方钽业股份有限公司 一种高纯钽粉及其制备方法
KR102376746B1 (ko) 2019-11-05 2022-03-21 한국생산기술연구원 금속열환원법을 이용한 탄탈륨의 제련 방법
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Also Published As

Publication number Publication date
DE69936859D1 (de) 2007-09-27
EP1090153B1 (de) 2007-08-15
US20050284259A1 (en) 2005-12-29
US20020132388A1 (en) 2002-09-19
US6958257B2 (en) 2005-10-25
US6955938B2 (en) 2005-10-18
WO1999061670A1 (en) 1999-12-02
KR100438670B1 (ko) 2004-07-02
DE69936859T2 (de) 2008-05-08
AU4210199A (en) 1999-12-13
US20050284546A1 (en) 2005-12-29
KR20010071334A (ko) 2001-07-28
EP1090153A1 (de) 2001-04-11
US20030082864A1 (en) 2003-05-01
EP1090153A4 (de) 2001-09-05
JP2002516918A (ja) 2002-06-11
US6566161B1 (en) 2003-05-20
US6323055B1 (en) 2001-11-27
US7102229B2 (en) 2006-09-05

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