JP7162960B2 - 圧延接合体及びその製造方法、並びに電子機器用の放熱補強部材 - Google Patents
圧延接合体及びその製造方法、並びに電子機器用の放熱補強部材 Download PDFInfo
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- JP7162960B2 JP7162960B2 JP2018226838A JP2018226838A JP7162960B2 JP 7162960 B2 JP7162960 B2 JP 7162960B2 JP 2018226838 A JP2018226838 A JP 2018226838A JP 2018226838 A JP2018226838 A JP 2018226838A JP 7162960 B2 JP7162960 B2 JP 7162960B2
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- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
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- B32B15/015—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium the said other metal being copper or nickel or an alloy thereof
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- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
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- B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
- B23K20/227—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded with ferrous layer
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- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C—CHEMISTRY; METALLURGY
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- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F4/00—Processes for removing metallic material from surfaces, not provided for in group C23F1/00 or C23F3/00
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- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/086—Iron or steel solutions containing HF
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- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/10—Other heavy metals
- C23G1/103—Other heavy metals copper or alloys of copper
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- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
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- B23K2101/00—Articles made by soldering, welding or cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- Y—GENERAL 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
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- Y10T428/12924—Fe-base has 0.01-1.7% carbon [i.e., steel]
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Description
前記圧延接合体の厚みが0.02mm以上0.4mm以下であり、
前記銅層の硬度が70Hv以上であり、
前記圧延接合体の180°ピール強度が6N/20mm以上である、
前記圧延接合体。
(2)前記銅層の厚みが0.01mm以上0.38mm以下であり、
前記ステンレス層の厚みが0.01mm以上0.38mm以下である、
上記(1)に記載の圧延接合体。
(3)前記ステンレス層の硬度が180Hv以上である、
上記(1)又は(2)に記載の圧延接合体。
(4)前記圧延接合体の180°ピール強度が8N/20mm以上である、
上記(1)~(3)のいずれか一つに記載の圧延接合体。
(5)前記銅層と前記ステンレス層の2層からなる上記(1)~(4)のいずれか一つに記載の圧延接合体。
(6)前記ステンレス層が部分的に除去された上記(1)~(5)のいずれか一つに記載の圧延接合体。
(7)前記ステンレス層が部分的に除去され、前記除去された部分において前記銅層が露出している上記(1)~(5)のいずれか一つに記載の圧延接合体。
(8)前記銅層が部分的に除去された上記(1)~(5)のいずれか一つに記載の圧延接合体。
(9)前記銅層が部分的に除去され、前記除去された部分において前記ステンレス層が露出している上記(1)~(5)のいずれか一つに記載の圧延接合体。
(10)上記(1)~(9)のいずれか一つに記載の圧延接合体を含む電子機器用の放熱補強部材。
(11)銅層とステンレス層とからなる圧延接合体の製造方法であって、
銅板及びステンレス鋼板を準備する工程と、
前記銅板及び前記ステンレス鋼板の接合される面にスパッタエッチング処理を施す工程と、
前記スパッタエッチング処理後に、前記銅板と前記ステンレス鋼板とを接触させロール圧接により前記銅板と前記ステンレス鋼板とを接合する工程とを含み、
前記準備した銅板の硬度が80Hv以上であり、
前記銅板が、前記スパッタエッチング処理によって軟化し、及び/又は前記銅板と前記ステンレス鋼板とを接触させた時の前記ステンレス鋼板からの入熱によって圧接直前時点で軟化し、
接合後の前記圧延接合体の厚みが0.02mm以上0.4mm以下であり、前記圧延接合体の銅層の硬度が70Hv以上であり、前記圧延接合体の180°ピール強度が6N/20mm以上である、前記圧延接合体の製造方法。
(12)前記準備した銅板が、前記スパッタエッチング処理によって硬度70Hv未満まで軟化するか、及び/又は前記銅板と前記ステンレス鋼板とを接触させた時の前記ステンレス鋼板からの入熱によって圧接直前時点で硬度70Hv未満まで軟化する上記(11)に記載の圧延接合体の製造方法。
図1は、本発明の圧延接合体の一実施形態を示す断面図である。図1に示すように、本実施形態に係る圧延接合体1Aは、銅層10Aとステンレス層20Aの2層から構成される。
2A、2B ベイパーチャンバー
10A、10B、10C 銅層
20A、20B、20C ステンレス層
30 銅板
31 凸部
40、70 ステンレス鋼板
50 熱輸送デバイス
60 銅層
A 領域
S 部分
Claims (11)
- 銅層とステンレス層とからなる圧延接合体であって、
前記圧延接合体の厚みが0.02mm以上0.4mm以下であり、
前記銅層の硬度が70Hv以上であり、
前記ステンレス層の硬度が180Hv以上であり、
前記圧延接合体の180°ピール強度が6N/20mm以上である、
前記圧延接合体。 - 前記銅層の厚みが0.01mm以上0.38mm以下であり、
前記ステンレス層の厚みが0.01mm以上0.38mm以下である、
請求項1に記載の圧延接合体。 - 前記圧延接合体の180°ピール強度が8N/20mm以上である、
請求項1又は2に記載の圧延接合体。 - 前記銅層と前記ステンレス層の2層からなる請求項1~3のいずれか一項に記載の圧延接合体。
- 前記ステンレス層が部分的に除去された請求項1~4のいずれか一項に記載の圧延接合体。
- 前記ステンレス層が部分的に除去され、前記除去された部分において前記銅層が露出している請求項1~4のいずれか一項に記載の圧延接合体。
- 前記銅層が部分的に除去された請求項1~4のいずれか一項に記載の圧延接合体。
- 前記銅層が部分的に除去され、前記除去された部分において前記ステンレス層が露出している請求項1~4のいずれか一項に記載の圧延接合体。
- 請求項1~8のいずれか一項に記載の圧延接合体を含む電子機器用の放熱補強部材。
- 銅層とステンレス層とからなる圧延接合体の製造方法であって、
銅板及びステンレス鋼板を準備する工程と、
前記銅板及び前記ステンレス鋼板の接合される面にスパッタエッチング処理を施す工程と、
前記スパッタエッチング処理後に、前記銅板と前記ステンレス鋼板とを接触させロール圧接により前記銅板と前記ステンレス鋼板とを接合する工程とを含み、
前記準備した銅板の硬度が80Hv以上であり、
前記銅板が、前記スパッタエッチング処理によって軟化し、及び/又は前記銅板と前記ステンレス鋼板とを接触させた時の前記ステンレス鋼板からの入熱によって圧接直前時点で軟化し、
接合後の前記圧延接合体の厚みが0.02mm以上0.4mm以下であり、前記圧延接合体の銅層の硬度が70Hv以上であり、前記圧延接合体の180°ピール強度が6N/20mm以上である、前記圧延接合体の製造方法。 - 前記準備した銅板が、前記スパッタエッチング処理によって硬度70Hv未満まで軟化するか、及び/又は前記銅板と前記ステンレス鋼板とを接触させた時の前記ステンレス鋼板からの入熱によって圧接直前時点で硬度70Hv未満まで軟化する請求項10に記載の圧延接合体の製造方法。
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