EP1974840A4 - Nickel powder, method for producing same, and polymer ptc device using such nickel powder - Google Patents

Nickel powder, method for producing same, and polymer ptc device using such nickel powder

Info

Publication number
EP1974840A4
EP1974840A4 EP06833524A EP06833524A EP1974840A4 EP 1974840 A4 EP1974840 A4 EP 1974840A4 EP 06833524 A EP06833524 A EP 06833524A EP 06833524 A EP06833524 A EP 06833524A EP 1974840 A4 EP1974840 A4 EP 1974840A4
Authority
EP
European Patent Office
Prior art keywords
nickel powder
producing same
ptc device
polymer ptc
nickel
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Withdrawn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
EP06833524A
Other languages
German (de)
French (fr)
Other versions
EP1974840A1 (en
Inventor
Toshihiro Kato
Kenya Itou
Syuuji Okada
Arata Tanaka
Keiichiro Nomura
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.)
Tyco Electronics Raychem KK
Original Assignee
Tyco Electronics Raychem KK
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 Tyco Electronics Raychem KK filed Critical Tyco Electronics Raychem KK
Publication of EP1974840A1 publication Critical patent/EP1974840A1/en
Publication of EP1974840A4 publication Critical patent/EP1974840A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/02—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
    • H01C7/027—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient consisting of conducting or semi-conducting material dispersed in a non-conductive organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • B22F1/052—Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/20—Conductive material dispersed in non-conductive organic material
    • H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/06—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base
    • H01C17/065—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thick film techniques, e.g. serigraphy
    • H01C17/06506—Precursor compositions therefor, e.g. pastes, inks, glass frits
    • H01C17/06513—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component
    • H01C17/06526—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component composed of metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
EP06833524A 2005-11-29 2006-11-28 Nickel powder, method for producing same, and polymer ptc device using such nickel powder Withdrawn EP1974840A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005344631A JP4942333B2 (en) 2005-11-29 2005-11-29 Nickel powder, method for producing the same, and polymer PTC element using the nickel powder
PCT/JP2006/323720 WO2007063851A1 (en) 2005-11-29 2006-11-28 Nickel powder, method for producing same, and polymer ptc device using such nickel powder

Publications (2)

Publication Number Publication Date
EP1974840A1 EP1974840A1 (en) 2008-10-01
EP1974840A4 true EP1974840A4 (en) 2011-11-09

Family

ID=38092184

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06833524A Withdrawn EP1974840A4 (en) 2005-11-29 2006-11-28 Nickel powder, method for producing same, and polymer ptc device using such nickel powder

Country Status (6)

Country Link
EP (1) EP1974840A4 (en)
JP (1) JP4942333B2 (en)
KR (1) KR101356377B1 (en)
CN (1) CN101316673B (en)
TW (1) TWI402116B (en)
WO (1) WO2007063851A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009013482A (en) * 2007-07-06 2009-01-22 Ist Corp Nickel powder or nickel alloy powder, and production method therefor
JP5429299B2 (en) * 2009-10-05 2014-02-26 株式会社村田製作所 Method for producing flat Ni particles
CN101728039B (en) * 2009-12-31 2016-02-24 上海长园维安电子线路保护有限公司 Over-current protecting element
CN102489718A (en) * 2011-12-14 2012-06-13 丹阳市博高新材料技术有限公司 Method for preparing submicron flaky superfine nickel powder
JP6357347B2 (en) * 2013-05-14 2018-07-11 積水化学工業株式会社 Conductive particles, conductive materials, and connection structures
JP2015138915A (en) * 2014-01-23 2015-07-30 住友金属鉱山株式会社 Nickel-based alloy fine particle for laminate capacitors, and method for manufacturing the same
JP6270035B2 (en) * 2014-02-25 2018-01-31 住友金属鉱山株式会社 Method for producing nickel powder
JP6471015B2 (en) * 2014-03-31 2019-02-13 Ｄｏｗａエレクトロニクス株式会社 Fe-Co alloy powder and antenna, inductor and EMI filter
JP6843370B2 (en) * 2017-03-16 2021-03-17 住友金属鉱山株式会社 Nickel powder manufacturing method
KR102278500B1 (en) * 2017-07-05 2021-07-15 도호 티타늄 가부시키가이샤 Metal powder and its manufacturing method
WO2019075685A1 (en) * 2017-10-19 2019-04-25 Littelfuse, Inc. Surface mounted fuse device having positive temperature coefficient body
JP7374932B2 (en) * 2019-01-28 2023-11-07 三井金属鉱業株式会社 Metal particles, magnetic paste using the same, powder magnetic core and inductor, and method for producing metal particles
CN112630110B (en) * 2020-12-14 2023-04-25 百尔罗赫塑料添加剂（江苏）有限公司 Zinc oxide powder particle size testing method and application

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050072270A1 (en) * 2003-08-29 2005-04-07 Toshihiro Kato Nickel powder and production method therefor
JP2005240164A (en) * 2004-02-27 2005-09-08 Sumitomo Metal Mining Co Ltd Nickel powder and manufacturing method therefor
EP1768135A1 (en) * 2004-06-08 2007-03-28 Tyco Electronics Raychem K.K. Polymer ptc device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5378407A (en) * 1992-06-05 1995-01-03 Raychem Corporation Conductive polymer composition
SE502754C2 (en) * 1994-03-31 1995-12-18 Sandvik Ab Ways to make coated hardened powder
SE502931C2 (en) * 1994-06-10 1996-02-26 Sandvik Ab Method for producing powder for WC hard material
CN1060982C (en) * 1997-11-17 2001-01-24 北京有色金属研究总院 Preparation of ultrafine metal powders
JP4301646B2 (en) 1999-07-28 2009-07-22 Ｄｏｗａホールディングス株式会社 Nickel powder manufacturing method
KR100330919B1 (en) * 2000-04-08 2002-04-03 권문구 Electrical device including ptc conductive composites
JP2002025345A (en) 2000-07-05 2002-01-25 Nisshin Steel Co Ltd Conductive particle with excellent migration resistance property
JP2002043734A (en) 2000-07-24 2002-02-08 Senju Metal Ind Co Ltd Method and apparatus for soldering printed circuit board
JP4864195B2 (en) 2000-08-30 2012-02-01 三井金属鉱業株式会社 Coated copper powder
CN1272128C (en) * 2003-09-24 2006-08-30 中南大学 Method for preparing fibred cobalt nickel powder and composite oxides powder of cobalt nicker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050072270A1 (en) * 2003-08-29 2005-04-07 Toshihiro Kato Nickel powder and production method therefor
JP2005240164A (en) * 2004-02-27 2005-09-08 Sumitomo Metal Mining Co Ltd Nickel powder and manufacturing method therefor
EP1768135A1 (en) * 2004-06-08 2007-03-28 Tyco Electronics Raychem K.K. Polymer ptc device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2007063851A1 *

Also Published As

Publication number Publication date
TW200734086A (en) 2007-09-16
JP2007146251A (en) 2007-06-14
WO2007063851A1 (en) 2007-06-07
JP4942333B2 (en) 2012-05-30
EP1974840A1 (en) 2008-10-01
CN101316673B (en) 2011-11-09
KR101356377B1 (en) 2014-01-27
CN101316673A (en) 2008-12-03
KR20080072081A (en) 2008-08-05
TWI402116B (en) 2013-07-21

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Legal Events

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

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Effective date: 20080627

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DAX Request for extension of the european patent (deleted)
RBV Designated contracting states (corrected)

Designated state(s): DE FR GB

A4 Supplementary search report drawn up and despatched

Effective date: 20111012

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 19/03 20060101ALI20111006BHEP

Ipc: H01B 1/22 20060101ALI20111006BHEP

Ipc: H01C 7/02 20060101ALI20111006BHEP

Ipc: B22F 1/00 20060101AFI20111006BHEP

Ipc: H01B 5/00 20060101ALI20111006BHEP

Ipc: B22F 9/24 20060101ALI20111006BHEP

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

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18D Application deemed to be withdrawn

Effective date: 20120511