WO2020035859A3 - Thin copper flakes for conductive inks - Google Patents

Thin copper flakes for conductive inks

Info

Publication number
WO2020035859A3
WO2020035859A3 PCT/IL2019/050908 IL2019050908W WO2020035859A3 WO 2020035859 A3 WO2020035859 A3 WO 2020035859A3 IL 2019050908 W IL2019050908 W IL 2019050908W WO 2020035859 A3 WO2020035859 A3 WO 2020035859A3
Authority
WO
WIPO (PCT)
Prior art keywords
thin copper
conductive inks
copper flakes
flakes
inks
Prior art date
Application number
PCT/IL2019/050908
Other languages
French (fr)
Other versions
WO2020035859A2 (en
Inventor
Shlomo Magdassi
Yitzchak ROSEN
Original Assignee
Yissum Research Development Company Of The Hebrew University Of Jerusalem Ltd.
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 Yissum Research Development Company Of The Hebrew University Of Jerusalem Ltd. filed Critical Yissum Research Development Company Of The Hebrew University Of Jerusalem Ltd.
Priority to EP19759441.9A priority Critical patent/EP3837068A2/en
Publication of WO2020035859A2 publication Critical patent/WO2020035859A2/en
Publication of WO2020035859A3 publication Critical patent/WO2020035859A3/en

Links

Classifications

    • 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
    • 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
    • B22F1/06—Metallic powder characterised by the shape of the particles
    • B22F1/068—Flake-like particles
    • 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
    • B22F1/08—Metallic powder characterised by particles having an amorphous microstructure
    • 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
    • B22F9/30—Making metallic powder or suspensions thereof using chemical processes with decomposition of metal compounds, e.g. by pyrolysis
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps
    • 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

Abstract

The invention concerns processes for preparing copper metal flakes and uses thereof.
PCT/IL2019/050908 2018-08-13 2019-08-13 Thin copper flakes for conductive inks WO2020035859A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19759441.9A EP3837068A2 (en) 2018-08-13 2019-08-13 Thin copper flakes for conductive inks

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862717973P 2018-08-13 2018-08-13
US62/717,973 2018-08-13

Publications (2)

Publication Number Publication Date
WO2020035859A2 WO2020035859A2 (en) 2020-02-20
WO2020035859A3 true WO2020035859A3 (en) 2020-04-09

Family

ID=67770551

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2019/050908 WO2020035859A2 (en) 2018-08-13 2019-08-13 Thin copper flakes for conductive inks

Country Status (2)

Country Link
EP (1) EP3837068A2 (en)
WO (1) WO2020035859A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111286767B (en) * 2020-02-29 2021-08-06 昆明理工大学 Imitation gold electroplating solution electroplating method and imitation gold electroplating solution
WO2022045252A1 (en) * 2020-08-28 2022-03-03 国立大学法人北海道大学 Oxide-containing copper fine particles, method for manufacturing same, and method for manufacturing sintered compact using oxide-containing copper fine particles

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060137488A1 (en) * 2002-11-22 2006-06-29 Mitsui Mining And Smelting Co., Ltd. Copper flake powder, method for producing copper flake powder, and conductive paste using copper flake powder

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060137488A1 (en) * 2002-11-22 2006-06-29 Mitsui Mining And Smelting Co., Ltd. Copper flake powder, method for producing copper flake powder, and conductive paste using copper flake powder

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ROSENBAND, V.GANY, A.: "Preparation of nickel and copper submicrometer particles by pyrolysis of their formates", J. MATER. PROCESS. TECHNOL., vol. 153, 2004, pages 1058 - 1061, XP027527057, DOI: 10.1016/j.jmatprotec.2004.04.165 *
WU S P ET AL: "Preparation of micron-sized flake copper powder for base-metal-electrode multi-layer ceramic capacitor", JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, vol. 209, no. 3, 1 February 2009 (2009-02-01), ELSEVIER, NL, pages 1129 - 1133, XP025839719, ISSN: 0924-0136, [retrieved on 20080322], DOI: 10.1016/J.JMATPROTEC.2008.03.010 *

Also Published As

Publication number Publication date
WO2020035859A2 (en) 2020-02-20
EP3837068A2 (en) 2021-06-23

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