JP2016153530A - 接合材およびそれを用いた接合方法 - Google Patents
接合材およびそれを用いた接合方法 Download PDFInfo
- Publication number
- JP2016153530A JP2016153530A JP2016061187A JP2016061187A JP2016153530A JP 2016153530 A JP2016153530 A JP 2016153530A JP 2016061187 A JP2016061187 A JP 2016061187A JP 2016061187 A JP2016061187 A JP 2016061187A JP 2016153530 A JP2016153530 A JP 2016153530A
- Authority
- JP
- Japan
- Prior art keywords
- copper
- bonding material
- mass
- joining
- objects
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 106
- 238000000034 method Methods 0.000 title claims abstract description 75
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 133
- 229910052802 copper Inorganic materials 0.000 claims abstract description 82
- 239000010949 copper Substances 0.000 claims abstract description 82
- 239000002904 solvent Substances 0.000 claims abstract description 36
- 239000002245 particle Substances 0.000 claims abstract description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- WUOACPNHFRMFPN-UHFFFAOYSA-N alpha-terpineol Chemical compound CC1=CCC(C(C)(C)O)CC1 WUOACPNHFRMFPN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 150000002009 diols Chemical class 0.000 claims abstract description 5
- 238000005304 joining Methods 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 6
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 42
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 30
- 239000011800 void material Substances 0.000 description 30
- 239000000243 solution Substances 0.000 description 29
- 239000006185 dispersion Substances 0.000 description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 20
- 239000000203 mixture Substances 0.000 description 19
- 239000007864 aqueous solution Substances 0.000 description 16
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 description 16
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 description 16
- 229940112669 cuprous oxide Drugs 0.000 description 16
- 238000002156 mixing Methods 0.000 description 16
- 239000007788 liquid Substances 0.000 description 15
- 239000000126 substance Substances 0.000 description 15
- 235000011121 sodium hydroxide Nutrition 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 13
- 239000002002 slurry Substances 0.000 description 13
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 description 10
- 239000005750 Copper hydroxide Substances 0.000 description 10
- 229910001956 copper hydroxide Inorganic materials 0.000 description 10
- 239000012299 nitrogen atmosphere Substances 0.000 description 10
- 239000000725 suspension Substances 0.000 description 10
- 230000002349 favourable effect Effects 0.000 description 9
- OEIJHBUUFURJLI-UHFFFAOYSA-N octane-1,8-diol Chemical compound OCCCCCCCCO OEIJHBUUFURJLI-UHFFFAOYSA-N 0.000 description 8
- RWLALWYNXFYRGW-UHFFFAOYSA-N 2-Ethyl-1,3-hexanediol Chemical compound CCCC(O)C(CC)CO RWLALWYNXFYRGW-UHFFFAOYSA-N 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 229910052709 silver Inorganic materials 0.000 description 7
- 239000004332 silver Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 229910000365 copper sulfate Inorganic materials 0.000 description 6
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 5
- 229920000159 gelatin Polymers 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 239000012798 spherical particle Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 108010010803 Gelatin Proteins 0.000 description 4
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 4
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 4
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 4
- 239000010419 fine particle Substances 0.000 description 4
- 235000019322 gelatine Nutrition 0.000 description 4
- 235000011852 gelatine desserts Nutrition 0.000 description 4
- 239000008103 glucose Substances 0.000 description 4
- 239000002923 metal particle Substances 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- YASYEJJMZJALEJ-UHFFFAOYSA-N Citric acid monohydrate Chemical compound O.OC(=O)CC(O)(C(O)=O)CC(O)=O YASYEJJMZJALEJ-UHFFFAOYSA-N 0.000 description 3
- 229960002303 citric acid monohydrate Drugs 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 239000008273 gelatin Substances 0.000 description 3
- YQCIWBXEVYWRCW-UHFFFAOYSA-N methane;sulfane Chemical compound C.S YQCIWBXEVYWRCW-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000011164 primary particle Substances 0.000 description 3
- -1 2- (2-hexyloxy) ethoxy Chemical group 0.000 description 2
- NPTLYTJLZWNERR-UHFFFAOYSA-N 2-[2-(2-methylcyclohexyl)propan-2-yloxy]ethanol Chemical compound CC(C)(OCCO)C1CCCCC1C NPTLYTJLZWNERR-UHFFFAOYSA-N 0.000 description 2
- 102000008186 Collagen Human genes 0.000 description 2
- 108010035532 Collagen Proteins 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000005456 alcohol based solvent Substances 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 229960004106 citric acid Drugs 0.000 description 2
- 229920001436 collagen Polymers 0.000 description 2
- 150000001879 copper Chemical class 0.000 description 2
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 description 2
- SXTLQDJHRPXDSB-UHFFFAOYSA-N copper;dinitrate;trihydrate Chemical compound O.O.O.[Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O SXTLQDJHRPXDSB-UHFFFAOYSA-N 0.000 description 2
- SQIFACVGCPWBQZ-UHFFFAOYSA-N delta-terpineol Natural products CC(C)(O)C1CCC(=C)CC1 SQIFACVGCPWBQZ-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- ACCCMOQWYVYDOT-UHFFFAOYSA-N hexane-1,1-diol Chemical compound CCCCCC(O)O ACCCMOQWYVYDOT-UHFFFAOYSA-N 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 108090000765 processed proteins & peptides Proteins 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 150000003505 terpenes Chemical class 0.000 description 2
- 235000007586 terpenes Nutrition 0.000 description 2
- 229940116411 terpineol Drugs 0.000 description 2
- BGHCVCJVXZWKCC-UHFFFAOYSA-N tetradecane Chemical compound CCCCCCCCCCCCCC BGHCVCJVXZWKCC-UHFFFAOYSA-N 0.000 description 2
- 239000005968 1-Decanol Substances 0.000 description 1
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 description 1
- VXQBJTKSVGFQOL-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethyl acetate Chemical compound CCCCOCCOCCOC(C)=O VXQBJTKSVGFQOL-UHFFFAOYSA-N 0.000 description 1
- GZMAAYIALGURDQ-UHFFFAOYSA-N 2-(2-hexoxyethoxy)ethanol Chemical compound CCCCCCOCCOCCO GZMAAYIALGURDQ-UHFFFAOYSA-N 0.000 description 1
- OADIZUFHUPTFAG-UHFFFAOYSA-N 2-[2-(2-ethylhexoxy)ethoxy]ethanol Chemical compound CCCCC(CC)COCCOCCO OADIZUFHUPTFAG-UHFFFAOYSA-N 0.000 description 1
- OPILSEWGCLFHQW-UHFFFAOYSA-N 2-methylbutane-1,1,1-triol Chemical compound CCC(C)C(O)(O)O OPILSEWGCLFHQW-UHFFFAOYSA-N 0.000 description 1
- XYHGSPUTABMVOC-UHFFFAOYSA-N 2-methylbutane-1,2,4-triol Chemical compound OCC(O)(C)CCO XYHGSPUTABMVOC-UHFFFAOYSA-N 0.000 description 1
- BWVZAZPLUTUBKD-UHFFFAOYSA-N 3-(5,6,6-Trimethylbicyclo[2.2.1]hept-1-yl)cyclohexanol Chemical compound CC1(C)C(C)C2CC1CC2C1CCCC(O)C1 BWVZAZPLUTUBKD-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- OHMBHFSEKCCCBW-UHFFFAOYSA-N hexane-2,5-diol Chemical compound CC(O)CCC(C)O OHMBHFSEKCCCBW-UHFFFAOYSA-N 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/302—Cu as the principal constituent
-
- 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
-
- 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
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing 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
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/008—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression characterised by the composition
-
- 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
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
-
- 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
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
-
- 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
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
- B23K1/0016—Brazing of electronic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/19—Soldering, e.g. brazing, or unsoldering taking account of the properties of the materials to be soldered
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/02—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a press ; Diffusion bonding
- B23K20/023—Thermo-compression bonding
- B23K20/026—Thermo-compression bonding with diffusion of soldering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/16—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating with interposition of special material to facilitate connection of the parts, e.g. material for absorbing or producing gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- 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
- B23K20/233—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 without ferrous layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
- B23K35/0244—Powders, particles or spheres; Preforms made therefrom
- B23K35/025—Pastes, creams, slurries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23K5/00—Gas flame welding
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
-
- 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
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
- H01L21/52—Mounting semiconductor bodies in containers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
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Abstract
Description
[実施例1]
まず、硝酸銅三水和物の濃度が50.2質量%の硝酸銅溶液1174.6gに純水486.9gを加えて希釈した硝酸銅水溶液と、クエン酸一水和物92.3gを純水687gに溶解させたクエン酸水溶液とを混合した混合溶液を用意した。また、苛性ソーダの濃度が48.7質量%の苛性ソーダ水溶液449.1gと純水678gを混合した後に5Lの反応槽内に入れて反応槽の上部から4.0L/分の流量で窒素を導入することにより窒素脱気した苛性ソーダ水溶液を用意するとともに、抱水ヒドラジン(大塚化学工業株式会社製の80%ヒドラジン水和物)26.6gを純水687gに溶解させたヒドラジン水和物溶液を用意した。
まず、硝酸銅三水和物の濃度が50.1質量%の硝酸銅溶液1412.3gに純水249.2gを加えて希釈した硝酸銅水溶液と、クエン酸一水和物110.8gを純水684.3gに溶解させたクエン酸水溶液とを混合した後に5Lの反応槽内に入れて反応槽の上部から4.0L/分の流量で窒素を導入することにより窒素脱気した混合溶液を用意した。また、苛性ソーダの濃度が48.8質量%の苛性ソーダ水溶液538gと純水589gを混合した苛性ソーダ水溶液を用意するとともに、抱水ヒドラジン(大塚化学工業株式会社製の80%ヒドラジン水和物)31.9gを純水684.3gに溶解させたヒドラジン水和物溶液を用意した。
まず、5Lの反応槽内に純水3800gを入れ、反応槽の下部から0.5L/分の流量で空気を吹き込み、反応槽内の攪拌棒を回転させた。次に、錯化剤としてクエン酸一水和物(扶桑化学工業株式会社製)5.33gを反応槽内に投入するとともに、亜酸化銅(日進ケムコ株式会社製のNC−301、平均粒径2.5μm)43.17gとを反応槽内に投入して、30℃で2時間反応させて錯体化処理を行った後、空気の供給を停止して反応槽の上部から2.0L/分の流量で窒素を導入した。次に、90℃まで昇温を行い、還元剤として抱水ヒドラジン(大塚化学工業株式会社製の80%ヒドラジン水和物)40.2gを反応槽内に投入して還元反応を行い1時間保持した後、攪拌を止め、洗浄し、乾燥させて、銅粉を得た。このようにして得られた銅粉を実施例1と同様の方法により観察したところ、略球状の粒子であり、平均粒径を算出すると0.2μmであった。また、銅粉中の炭素含有量を実施例1と同様の方法により求めたところ、炭素含有量は0.183質量%であった。
亜酸化銅スラリー溶液に抱水ヒドラジンを添加する際にゼラチン類としてコラーゲンペプチド(新田ゼラチン株式会社製のコラーゲンペプチド800F)35.1gを添加した以外は、実施例2と同様の方法により、ゼラチン類で被覆された銅粉を得た。このようにして得られた(ゼラチン類で被覆された)銅粉を実施例1と同様の方法により観察したところ、略球状の粒子であり、平均粒径を算出すると約0.3μmであった。また、銅粉中の炭素含有量を実施例1と同様の方法により求めたところ、炭素含有量は0.347質量%であった。
まず、硫酸銅五水和物(CuSO4・5H2O)2.240kgを純水5.353kgに溶解させた硫酸銅水溶液と、苛性ソーダの濃度が48.4質量%の苛性ソーダ水溶液1.840kgに純水6.800kgを加えて希釈したアルカリ水溶液を用意した。
まず、硫酸銅五水和物(CuSO4・5H2O)2.240kgを純水5.353kgに溶解させた硫酸銅水溶液と、苛性ソーダの濃度が48.4質量%の苛性ソーダ水溶液1.840kgに純水6.800kgを加えて希釈したアルカリ水溶液を用意した。
実施例2で得られた銅粉13.1g(87.0質量%)と、溶剤としての1−デカノール(和光純薬工業株式会社製)2.0g(13.0質量%)とを混合して得られた混合物を使用した以外は、実施例1と同様の方法により、銅ペーストからなる接合材を得た。
実施例2で得られた銅粉13.1g(87.0質量%)と、溶剤としての1−ドデカノール(東京化成工業株式会社製)2.0g(13.0質量%)とを混合して得られた混合物を使用した以外は、実施例1と同様の方法により、銅ペーストからなる接合材を得た。
実施例2で得られた銅粉13.1g(87.0質量%)と、溶剤としてのオクタンジオール(和光純薬工業株式会社製の2−エチル−1,3−ヘキサンジオール)1.0g(6.5質量%)および2−メチルブタン−1,2,4−トリオール(日本テルペン化学株式会社製のIPLT−B)1.0g(6.5質量%)とを混合して得られた混合物を使用した以外は、実施例1と同様の方法により、銅ペーストからなる接合材を得た。
実施例2で得られた銅粉13.1g(87.0質量%)と、溶剤としての2,5ヘキサンジオール(東京化成工業株式会社製)2.0g(13.0質量%)とを混合して得られた混合物を使用した以外は、実施例1と同様の方法により、銅ペーストからなる接合材を得た。
実施例2で得られた銅粉13.1g(87.0質量%)と、溶剤としての2−(2−ヘキシルオキシ)エトキシ)エタノール(日本乳化剤株式会社製のヘキシルジグリコール)2.0g(13.0質量%)とを混合して得られた混合物を使用した以外は、実施例1と同様の方法により、銅ペーストからなる接合材を得た。
実施例2で得られた銅粉13.1g(87.0質量%)と、溶剤としての2−(1−メチル−1−(4−メチル−3−シクロヘキシル)エトキシ)エタノール(日本テルペン化学株式会社製のテルソルブTOE−100)2.0g(13.0質量%)とを混合して得られた混合物を使用した以外は、実施例1と同様の方法により、銅ペーストからなる接合材を得た。
実施例2で得られた銅粉13.1g(87.0質量%)と、溶剤としてのテルピネオール(和光純薬工業株式会社製)2.0g(13.0質量%)とを混合して得られた混合物を使用した以外は、実施例1と同様の方法により、銅ペーストからなる接合材を得た。
実施例2で得られた銅粉12.0g(80.0質量%)と、溶剤としてのオクタンジオール(和光純薬工業株式会社製の2−エチル−1,3−ヘキサンジオール)3.0g(20.0質量%)とを混合して得られた混合物を使用した以外は、実施例1と同様の方法により、銅ペーストからなる接合材を得た。
実施例2で得られた銅粉13.1g(87.0質量%)と、グリコールエーテル系溶剤としてのジブチルジグリコール(日本乳化剤株式会社社製)2.0g(13.0質量%)とを混合して得られた混合物を使用した以外は、実施例1と同様の方法により、銅ペーストからなる接合材を得ることを試みたが、ペースト状にすることができなかった。
実施例2で得られた銅粉13.1g(87.0質量%)と、炭素水素系溶剤としてのテトラデカン(東京化成工業株式会社製)2.0g(13.0質量%)とを混合して得られた混合物を使用した以外は、実施例1と同様の方法により、銅ペーストからなる接合材を得ることを試みたが、ペースト状にすることができなかった。
実施例2で得られた銅粉13.1g(87.0質量%)と、グリコールエーテル系溶剤としての酢酸ブチルカルビトール(和光純薬工業株式会社製)2.0g(13.0質量%)とを混合して得られた混合物を使用した以外は、実施例1と同様の方法により、銅ペーストからなる接合材を得ることを試みたが、ペースト状にすることができなかった。
Claims (9)
- 平均粒径0.1〜1μmの銅粉とアルコール系溶剤を含む銅ペーストからなる接合材において、銅粉の含有量が80〜95質量%、アルコール系溶剤の含有量が5〜20質量%であることを特徴とする、接合材。
- 前記銅粉中に含まれる炭素の含有量が0.3質量%以下であることを特徴とする、請求項1に記載の接合材。
- 前記アルコール系溶剤がモノアルコール、ジオールまたはテルペン系アルコールであることを特徴とする、請求項1または2に記載の接合材。
- 前記アルコール系溶剤がトリオールを含むことを特徴とする、請求項3に記載の接合材。
- 前記接合材の粘度をレオメーターにより25℃において5rpmで測定したときの粘度が150Pa・s以下であることを特徴とする、請求項1乃至4のいずれかに記載の接合材。
- 前記接合材を被接合物間に介在させて加熱することにより、前記接合材中の銅を焼結させて銅接合層を介して被接合物同士を接合したときに、銅接合層の接合面の面積に対してボイドが占める面積の割合が10%以下であることを特徴とする、請求項1乃至5のいずれかに記載の接合材。
- 前記接合材を被接合物間に介在させて加熱することにより、前記接合材中の銅を焼結させて銅接合層を介して被接合物同士を接合したときに、シア強度が6MPa以上であることを特徴とする、請求項1乃至8のいずれかに記載の接合材。
- 請求項1乃至6のいずれかに記載の接合材を被接合物間に介在させて加熱することにより、接合材中の銅を焼結させて銅接合層を形成し、この銅接合層により被接合物同士を接合することを特徴とする、接合方法。
- 前記被接合物間に圧力を加えながら前記加熱を行うことを特徴とする、請求項8に記載の接合方法。
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