WO2015125907A1 - セラミックス回路基板 - Google Patents
セラミックス回路基板 Download PDFInfo
- Publication number
- WO2015125907A1 WO2015125907A1 PCT/JP2015/054740 JP2015054740W WO2015125907A1 WO 2015125907 A1 WO2015125907 A1 WO 2015125907A1 JP 2015054740 W JP2015054740 W JP 2015054740W WO 2015125907 A1 WO2015125907 A1 WO 2015125907A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mass
- parts
- copper
- circuit board
- silver
- Prior art date
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 58
- 229910052751 metal Inorganic materials 0.000 claims abstract description 57
- 239000002184 metal Substances 0.000 claims abstract description 57
- 238000005219 brazing Methods 0.000 claims abstract description 40
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 35
- 239000004917 carbon fiber Substances 0.000 claims abstract description 35
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 30
- NEIHULKJZQTQKJ-UHFFFAOYSA-N [Cu].[Ag] Chemical compound [Cu].[Ag] NEIHULKJZQTQKJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000010936 titanium Substances 0.000 claims abstract description 10
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 6
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 6
- 239000010955 niobium Substances 0.000 claims abstract description 6
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 6
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052718 tin Inorganic materials 0.000 claims abstract description 6
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 6
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims description 55
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 26
- 229910052802 copper Inorganic materials 0.000 claims description 24
- 239000010949 copper Substances 0.000 claims description 24
- 239000000843 powder Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 abstract description 12
- 230000017525 heat dissipation Effects 0.000 abstract description 12
- 229910052581 Si3N4 Inorganic materials 0.000 description 24
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 24
- 238000000034 method Methods 0.000 description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 7
- 238000005530 etching Methods 0.000 description 7
- 230000008646 thermal stress Effects 0.000 description 7
- 238000005304 joining Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 150000004767 nitrides Chemical class 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 description 2
- LTPBRCUWZOMYOC-UHFFFAOYSA-N Beryllium oxide Chemical compound O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000010191 image analysis Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- AHGIVYNZKJCSBA-UHFFFAOYSA-N [Ti].[Ag].[Cu] Chemical compound [Ti].[Ag].[Cu] AHGIVYNZKJCSBA-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- -1 ammonium halide Chemical class 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229960003280 cupric chloride Drugs 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052575 non-oxide ceramic Inorganic materials 0.000 description 1
- 239000011225 non-oxide ceramic Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910052574 oxide ceramic Inorganic materials 0.000 description 1
- 239000011224 oxide ceramic Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- 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
- H01L23/3735—Laminates or multilayers, e.g. direct bond copper ceramic substrates
-
- 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
-
- 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
- B23K35/0233—Sheets, foils
- B23K35/0238—Sheets, foils layered
-
- 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
-
- 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
- B23K35/3006—Ag as the principal constituent
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
- C04B37/02—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles
- C04B37/023—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles characterised by the interlayer used
- C04B37/026—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles characterised by the interlayer used consisting of metals or metal salts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49866—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers characterised by the materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49866—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers characterised by the materials
- H01L23/49877—Carbon, e.g. fullerenes
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
- C04B2237/12—Metallic interlayers
- C04B2237/124—Metallic interlayers based on copper
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
- C04B2237/12—Metallic interlayers
- C04B2237/125—Metallic interlayers based on noble metals, e.g. silver
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
- C04B2237/12—Metallic interlayers
- C04B2237/126—Metallic interlayers wherein the active component for bonding is not the largest fraction of the interlayer
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
- C04B2237/12—Metallic interlayers
- C04B2237/126—Metallic interlayers wherein the active component for bonding is not the largest fraction of the interlayer
- C04B2237/127—The active component for bonding being a refractory metal
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
- C04B2237/32—Ceramic
- C04B2237/36—Non-oxidic
- C04B2237/368—Silicon nitride
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
- C04B2237/40—Metallic
- C04B2237/407—Copper
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
- C04B2237/60—Forming at the joining interface or in the joining layer specific reaction phases or zones, e.g. diffusion of reactive species from the interlayer to the substrate or from a substrate to the joining interface, carbide forming at the joining interface
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
- C04B2237/74—Forming laminates or joined articles comprising at least two different interlayers separated by a substrate
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
- C22C49/12—Intermetallic matrix material
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C5/00—Alloys based on noble metals
- C22C5/06—Alloys based on silver
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C5/00—Alloys based on noble metals
- C22C5/06—Alloys based on silver
- C22C5/08—Alloys based on silver with copper as the next major constituent
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—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
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32151—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/32221—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/32225—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/12—Mountings, e.g. non-detachable insulating substrates
- H01L23/14—Mountings, e.g. non-detachable insulating substrates characterised by the material or its electrical properties
- H01L23/15—Ceramic or glass substrates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0306—Inorganic insulating substrates, e.g. ceramic, glass
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
- H05K3/388—Improvement of the adhesion between the insulating substrate and the metal by the use of a metallic or inorganic thin film adhesion layer
Definitions
- the present invention relates to a ceramic circuit board having both high bonding strength and excellent heat cycle characteristics.
- Ceramic substrates such as alumina, beryllia, silicon nitride, and aluminum nitride are used as circuit substrates used for power modules and the like from the viewpoint of thermal conductivity, cost, safety, and the like. These ceramic substrates are used as a circuit board by joining a metal circuit board such as copper or aluminum or a heat sink. Since these have excellent insulating properties and heat dissipation properties with respect to a resin substrate and a metal substrate having a resin layer as an insulating material, they are used as substrates for mounting high heat dissipation electronic components.
- a ceramic circuit board is used in which a metal circuit board is bonded to the surface of a ceramic board with a brazing material and a semiconductor element is mounted at a predetermined position of the metal circuit board.
- ceramic substrates of aluminum nitride sintered bodies and silicon nitride sintered bodies having high thermal conductivity in response to an increase in heat generation from semiconductor elements due to higher integration, higher frequency, higher output, etc. of semiconductor elements Is used.
- the aluminum nitride substrate has a higher thermal conductivity than the silicon nitride substrate, it is suitable as a ceramic circuit substrate for mounting a high heat dissipation electronic component.
- the aluminum nitride substrate has high thermal conductivity, but its mechanical strength and toughness are low, so cracking occurs when tightened in the assembly process, or when a thermal cycle is applied. It is difficult to do. In particular, when used in power modules that are applied under severe loads and thermal conditions such as automobiles, electric railways, machine tools, and robots, this difficulty has become prominent.
- a ceramic circuit board using a silicon nitride substrate is produced, for example, by the active metal method shown below.
- the active metal method is a method in which a metal plate is joined to a ceramic substrate through a brazing material layer containing an active metal such as a group 4A element or a group 5A element.
- a silver-copper-titanium brazing material is used. Is printed on both main surfaces of the silicon nitride substrate, a metal circuit board and a metal heat dissipating plate are arranged on the printed surface, and the ceramic substrate and the metal plate are joined by heat treatment at an appropriate temperature.
- Ti which is an active metal
- N of the nitride-based ceramic substrate are covalently bonded to form TiN (titanium nitride), and this TiN forms a bonding layer. High bonding strength can be obtained.
- Patent Document 1 describes that it is effective to contain carbon powder in a brazing material for joining a ceramic substrate and a metal plate for the purpose of improving the heat resistance cycle characteristics of the ceramic circuit substrate.
- the heat cycle evaluation for evaluating the heat cycle characteristics generally has a temperature range of ⁇ 40 ° C. to 125 ° C., but it is equipped with wide band gap semiconductors such as SiC and GaN, which are expected as next-generation power devices in the future. In devices, the operating temperature increases, so the thermal stress is increasing.
- the non-fibrous carbon powder contained in the brazing filler metal has a low thermal conductivity among graphite powder and diamond powder, which are carbon components composed of the same carbon atoms, so that the heat dissipation of the ceramic circuit board is achieved. May be inhibited.
- an object of the present invention is to obtain a ceramic circuit board having high bonding strength and excellent heat cycle performance, improving operational reliability as an electronic device, and excellent heat dissipation.
- the present inventor can improve the thermal cycle characteristics of the circuit board by bringing the thermal expansion coefficient of the brazing material joining the ceramic substrate and the metal plate closer to the ceramic substrate. And obtained knowledge. Furthermore, the present invention has been completed with the knowledge that a ceramic circuit board having excellent heat dissipation can be obtained by using carbon fiber (carbon fiber) as the carbon component contained in the brazing material.
- the present invention is a ceramic circuit board in which both main surfaces of a ceramic substrate and a metal plate are joined via a silver-copper brazing filler metal layer, and the silver-copper brazing filler metal layer is silver powder 75-98.
- Carbon fiber (carbon fiber) 0.3 to 7.5 parts by mass, titanium, zirconium, hafnium, niobium, tantalum, vanadium, and tin with respect to 100 parts by mass in total of 2 parts by mass and 2 to 25 parts by mass of copper powder
- “The two main surfaces of the ceramic substrate and the metal plate are joined via the silver-copper brazing material layer” means that the metal plate is bonded to the two main surfaces of the ceramic substrate
- the ceramic substrate used for the ceramic circuit board of the present invention is not particularly limited, and nitride ceramics such as silicon nitride and aluminum nitride, oxide ceramics such as aluminum oxide and zirconium oxide, silicon carbide, etc. It can be used for carbide ceramics, boride ceramics such as lanthanum boride. However, since the metal plate is bonded to the ceramic substrate by the active metal method, non-oxide ceramics such as aluminum nitride and silicon nitride are suitable. Further, from the viewpoint of excellent mechanical strength and fracture toughness, the silicon nitride substrate is preferable.
- the thickness of the ceramic substrate of the present invention is not particularly limited, but is generally about 0.1 to 3.0 mm. In particular, considering the reduction of the thermal resistivity of the entire circuit board, 1.0 mm or less is preferable, More preferably, it is 0.4 mm or less.
- the metal used for the metal plate of the present invention is not particularly limited as long as it is a metal to which the active metal method can be applied, such as copper, aluminum, iron, nickel, chromium, silver, molybdenum, cobalt, or an alloy thereof, but in particular, A copper plate is preferable from the viewpoints of conductivity and heat dissipation.
- the purity of the copper plate of the present invention is preferably 90% or more.
- the purity is lower than 90%, when the ceramic substrate and the copper plate are joined, the reaction between the copper plate and the brazing material becomes insufficient, or the copper plate is hard. Therefore, the reliability of the circuit board may be reduced.
- the thickness of the copper plate of the present invention is not particularly limited, but is generally 0.1 to 1.5 mm, and is particularly preferably 0.3 mm or more, more preferably 0.5 mm or more from the viewpoint of heat dissipation. .
- the brazing filler metal layer of the present invention is composed of a silver-copper brazing filler metal containing carbon fiber (carbon fiber) and at least one active metal selected from titanium, zirconium, hafnium, niobium, tantalum, vanadium, and tin. Is done.
- the composition ratio of the silver-copper brazing material is preferably set to a composition ratio at which a eutectic composition is likely to be generated, and in particular, a composition considering the penetration of copper from the circuit copper plate and the heat dissipation copper plate is preferable. In total 100 parts by mass of silver powder and copper powder, 75 to 98 parts by mass of silver powder and 2 to 25 parts by mass of copper powder are preferable.
- the amount of the silver powder is other than 75 to 98 parts by mass, the melting temperature of the brazing material is increased, so that the thermal stress resulting from the difference in the thermal expansion coefficient at the time of bonding is increased and the heat cycle resistance is liable to be lowered.
- the amount of carbon fiber (carbon fiber) contained in the brazing filler metal constituting the brazing filler metal layer of the present invention is 100 parts by mass in total of 75 to 98 parts by mass of silver powder and 2 to 25 parts by mass of copper powder. 0.3 to 7.5 parts by mass is preferable, and 0.5 to 3.5 is more preferable.
- the blending amount of the carbon fiber (carbon fiber) is less than 0.3 part by mass, the decrease in the thermal expansion coefficient of the brazing material is small, and the contribution to the improvement of the thermal cycle characteristics of the circuit board is small.
- it is larger than 7.5 parts by mass the bonding strength between the ceramic substrate and the metal plate is lowered, which is not preferable.
- the carbon fiber preferably has an average length of 15 to 400 ⁇ m, an average diameter of 5 to 25 ⁇ m, and an average aspect ratio of 3 to 28, more preferably an average length of 22 to 160 ⁇ m.
- the average diameter is 5 to 10 ⁇ m, and the average aspect ratio is 4 to 10.
- the average length is greater than 400 ⁇ m, the average diameter is greater than 25 ⁇ m, and the average aspect ratio is greater than 28, it is difficult to uniformly disperse in the brazing paste.
- the average length is less than 15 ⁇ m, when the average diameter is less than 5 ⁇ m, and when the average aspect ratio is less than 4, the bonding strength between the ceramic substrate and the metal plate decreases, which is not preferable.
- the “average length” means an average value of values obtained by observing 20 or more carbon fibers using a scanning electron microscope and measuring the length of each fiber by image analysis.
- Average diameter means an average value of values obtained by observing 20 or more carbon fibers using a scanning electron microscope and measuring the diameter of each fiber by image analysis.
- the “average aspect ratio” means a value obtained by dividing the “average length” by the “average diameter”.
- the type of carbon fiber may be pitch-based carbon fiber or polyacrylonitrile-based carbon fiber.
- carbon fibers carbon fibers
- carbon components contained in organic binders and organic solvents carbon powder
- carbon components composed of the same carbon atoms such as diamond are completely different. It is a well-known fact that it is different.
- non-fibrous carbon powder is not preferable because it has a low thermal conductivity and may impede heat dissipation of the ceramic circuit board.
- the heat cycle characteristics may be deteriorated, which is not preferable.
- the diamond powder is not preferable because of its high thermal conductivity but high cost.
- the amount of the active metal contained in the brazing filler metal constituting the brazing filler metal layer is 1.0 to 9.0 parts by mass with respect to 100 parts by mass in total of 72 parts by mass or more of silver powder and 28 parts by mass or less of copper powder. Parts, more preferably 3.0 to 5.5 parts by weight.
- the compounding amount of the active metal is less than 1.0 part by mass, the wettability between the ceramic substrate and the brazing material is not good, and poor bonding is likely to occur.
- the compounding amount of the active metal exceeds 9 parts by mass, the brittle active metal nitride layer formed at the bonding interface becomes excessive, and heat cycle resistance is deteriorated.
- the active metal can be selected from metals such as titanium, zirconium, hafnium, niobium, tantalum, vanadium, and tin. Of these, titanium is preferred.
- the thickness of the brazing material applied to constitute the brazing material layer is preferably 5 to 40 ⁇ m on a dry basis. If the thickness of the brazing material is less than 5 ⁇ m, an unreacted portion may occur. On the other hand, if the thickness exceeds 40 ⁇ m, the time for removing the bonding layer may become long and productivity may be lowered.
- the coating method is not particularly limited, and a known coating method such as a screen printing method or a roll coater method that can be uniformly coated on the substrate surface can be employed.
- the ceramic substrate and the metal plate are preferably bonded in a vacuum at a temperature of 780 ° C. to 875 ° C. for a time of 10 to 60 minutes.
- the bonding temperature is lower than 780 ° C. or when the bonding time is shorter than 10 minutes, the bondability between the ceramic substrate and the brazing material is lowered.
- the bonding temperature is higher than 875 ° C. or when the bonding time is longer than 60 minutes, thermal stress derived from the difference in thermal expansion coefficient at the time of bonding increases, and the heat cycle resistance tends to decrease.
- an etching resist is applied to the metal plate and etched.
- an etching resist For example, the ultraviolet curing type and thermosetting type generally used can be used.
- the coating method of an etching resist For example, well-known coating methods, such as a screen printing method, are employable.
- Etching of copper plate is performed to form a circuit pattern.
- the etching solution there is no particular restriction on the etching solution, and generally used ferric chloride solution, cupric chloride solution, sulfuric acid, hydrogen peroxide solution, etc. can be used. A dicopper solution is mentioned.
- the nitride ceramic circuit board from which unnecessary metal parts have been removed by etching has the applied brazing material, its alloy layer, nitride layer, etc. remaining, inorganic acid such as aqueous solution of ammonium halide, sulfuric acid, nitric acid, peroxide It is common to remove them using a solution containing hydrogen water.
- the etching resist is stripped after the circuit is formed, but the stripping method is not particularly limited, and a method of immersing in an alkaline aqueous solution is common.
- Example 1 On both main surfaces of a silicon nitride substrate having a thickness of 0.25 mm, 90 parts by mass of silver powder (Fukuda Metal Foil Powder Co., Ltd .: AgC-BO) and copper powder (Fukuda Metal Foil Powder Co., Ltd .: SRC-) (Cu-20) Carbon fiber (carbon fiber) having an average length of 120 ⁇ m, an average diameter of 15 ⁇ m, and an average aspect ratio of 8 with respect to a total of 100 parts by mass of 10 parts by mass (manufactured by Nippon Graphite Fiber Co., Ltd .: XN- 100-15M) is applied to an active metal brazing material containing 1.5 parts by mass and 3.5 parts by mass of titanium (manufactured by Osaka Titanium Technologies: TSH-350). A 1.0 mm oxygen-free copper plate was bonded under vacuum conditions at 830 ° C. for 20 minutes.
- the joined circuit board was etched with an etchant containing copper chloride to form a circuit. Further, the brazing material layer was etched with an ammonium fluoride / hydrogen peroxide etchant to produce a silicon nitride circuit board.
- the bondability between the copper plate and the silicon nitride substrate and the heat cycle resistance evaluation of the circuit board were evaluated by the following methods. ⁇ Jointness between copper plate and silicon nitride substrate> The bondability between the copper plate and the silicon nitride substrate was evaluated by peel strength measurement.
- the measuring method is as follows. The end of the 5 mm wide pattern, which is a part of the copper circuit pattern bonded to the silicon nitride substrate, is peeled off with pliers, and the bonded substrate is fixed to the base of the tensile tester, and the end of the pattern is chucked on the pull tester. Attached to.
- the copper circuit pattern is peeled off from the surface of the silicon nitride substrate so that the angle of the copper circuit pattern is 90 ° (vertical direction). Thereafter, the tensile tester was operated, the pattern peeled off through the chuck was pulled upward and moved, and the maximum peeling load at that time was measured. The maximum peel load was divided by the width (0.5 cm) to calculate the bonding strength. The results are shown in Table 3.
- Examples 2 to 24, Comparative Examples 1 to 13 The same procedure as in Example 1 was performed except that the conditions shown in Tables 1 and 2 were changed. In Comparative Example 13, non-fibrous carbon particles were used instead of carbon fibers. Evaluation of the bondability between the copper plate and the silicon nitride substrate and the heat cycle resistance was carried out in the same manner as in Example 1. The results are shown in Tables 3 and 4.
- the average length of the carbon fiber is 15 to 400 ⁇ m with respect to 100 parts by mass in total of 75 to 98 parts by mass of silver powder and 2 to 25 parts by mass of copper powder.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Ceramic Engineering (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Products (AREA)
- Manufacturing Of Printed Wiring (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
Description
「セラミックス基板の両主面と金属板が銀-銅系ろう材層を介して接合された」とは、セラミックス基板の両主面に、それぞれ、金属板が銀-銅系ろう材層を介して接合されていることを意味している。
本発明において、「平均長さ」とは、走査型電子顕微鏡を利用して20本以上のカーボンファイバーを観測し、各繊維の長さを画像解析にて計測して得られる値の平均値を意味する。「平均直径」とは、走査型電子顕微鏡を利用して20本以上のカーボンファイバーを観測し、各繊維の直径を画像解析にて計測して得られる値の平均値を意味する。「平均アスペクト比」とは、上記「平均長さ」を上記「平均直径」で除した値を意味する。
厚み0.25mmの窒化ケイ素基板の両主面に、銀粉末(福田金属箔粉工業(株)製:AgC-BO)90質量部および銅粉末(福田金属箔粉工業(株)製:SRC-Cu-20)10質量部の合計100質量部に対して、平均長さが120μm、平均直径が15μm、平均アスペクト比が8のカーボンファイバー(炭素繊維)(日本グラファイトファイバー(株)製:XN‐100‐15M)を1.5質量部、チタン((株)大阪チタニウムテクノロジーズ製:TSH-350)を3.5質量部含む活性金属ろう材を塗布し、回路面に厚み1.0mm、裏面に1.0mmの無酸素銅板を真空条件にて830℃且つ20分の条件で接合した。
<銅板と窒化ケイ素基板の接合性>
銅板と窒化ケイ素基板の接合性は、ピール強度測定により評価した。測定法は次の通りである。窒化ケイ素基板に接合された銅回路パターンの一部である幅5mmのパターンの端をペンチで引き剥がし、この接合基板を引張試験機の台に固定し、前記パターンの端をプル試験機のチャックに取り付けた。この時、窒化ケイ素基板の表面と引き剥がされた前記銅回路パターンの角度が90°(鉛直方向)になるように設置する。その後、引張試験機を作動させ、チャックを介して引き剥がされた前記パターンを上方に引っ張って移動させ、その時の最大引き剥がし荷重を測定した。その最大引き剥がし荷重を幅(0.5cm)で除して接合強度を算出した。結果を表3に示す。
作製した窒化ケイ素回路基板を、-40℃にて30分、25℃にて10分、150℃にて30分、25℃にて10分を1サイクルとする耐ヒートサイクル試験を、2000サイクル繰り返し試験を行った。その後、塩化銅液、および、フッ化アンモニウム/過酸化水素エッチング液を用いて窒化ケイ素回路基板から銅板およびろう材層を剥離し、窒化ケイ素基板表面の水平クラック面積を画像解析ソフトGIMP2(閾値140)にて二値化し算出した後、水平クラック面積/回路パターンの面積(つまり、水平クラック面積の、回路パターン面積に対する割合)よりクラック率(%)を算出した。結果を表3に示す。
表3に示すように、窒化ケイ素板に銅板を接合する際に、実施例1のように、銀粉末90質量部および銅粉末10質量部の合計100質量部に対して、カーボンファイバーの平均長さ120μm、平均直径15μm以下、平均アスペクト比8のカーボンファイバー(炭素繊維)を1.5質量部、チタンを3.5質量部含む配合にて、780℃~875℃の温度且つ10~60分の時間で接合することで、接合性を低下させることなく耐ヒートサイクルの評価がクラック率0.01%の回路基板が得られ、クラック率1%以の回路基板が得られることが実証された。
表1,2に示す条件を変えたこと以外は、実施例1と同様に行った。なお、比較例13では、カーボンファイバーに替えて非繊維状カーボン粒子を用いた。銅板と窒化ケイ素基板の接合性、及び耐ヒートサイクル性の評価を、実施例1と同様に行った。結果を表3,4に示す。
Claims (1)
- セラミックス基板の両主面と金属板が、銀-銅系ろう材層を介して接合されたセラミックス回路基板であって、前記銀-銅系ろう材層が、銀粉末75~98質量部及び銅粉末2~25質量部の合計100質量部に対して、カーボンファイバー(炭素繊維)0.3~7.5質量部と、チタン、ジルコニウム、ハフニウム、ニオブ、タンタル、バナジウム、及び錫から選択される少なくとも一種の活性金属1.0~9.0質量部とを含む銀-銅系ろう材で構成され、前記カーボンファイバーが平均長さ15~400μm、平均直径5~25μm、平均アスペクト比3~28であることを特徴とするセラミックス回路基板。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016504183A JP6487901B2 (ja) | 2014-02-21 | 2015-02-20 | セラミックス回路基板 |
CN201580009679.3A CN106061923B (zh) | 2014-02-21 | 2015-02-20 | 陶瓷线路基板 |
KR1020167022990A KR102339805B1 (ko) | 2014-02-21 | 2015-02-20 | 세라믹스 회로 기판 |
US15/119,052 US10424529B2 (en) | 2014-02-21 | 2015-02-20 | Ceramic circuit board |
EP15752710.2A EP3109222B1 (en) | 2014-02-21 | 2015-02-20 | Ceramic circuit board |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014031262 | 2014-02-21 | ||
JP2014-031262 | 2014-02-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015125907A1 true WO2015125907A1 (ja) | 2015-08-27 |
Family
ID=53878405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2015/054740 WO2015125907A1 (ja) | 2014-02-21 | 2015-02-20 | セラミックス回路基板 |
Country Status (7)
Country | Link |
---|---|
US (1) | US10424529B2 (ja) |
EP (1) | EP3109222B1 (ja) |
JP (1) | JP6487901B2 (ja) |
KR (1) | KR102339805B1 (ja) |
CN (1) | CN106061923B (ja) |
TW (1) | TWI665766B (ja) |
WO (1) | WO2015125907A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017065935A (ja) * | 2015-09-28 | 2017-04-06 | デンカ株式会社 | セラミックス回路基板 |
JP2018098431A (ja) * | 2016-12-16 | 2018-06-21 | 株式会社豊田中央研究所 | 半導体モジュールとその製造方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110691762B (zh) * | 2017-05-30 | 2022-06-14 | 电化株式会社 | 陶瓷电路基板和其制造方法 |
CN110709369A (zh) * | 2017-05-30 | 2020-01-17 | 电化株式会社 | 陶瓷电路基板和使用其的模块 |
KR102139194B1 (ko) | 2018-08-17 | 2020-07-30 | (주) 존인피니티 | 질화물 세라믹스 활성금속 브레이징 기판의 제조방법 |
KR102574378B1 (ko) * | 2018-10-04 | 2023-09-04 | 현대자동차주식회사 | 파워모듈 |
EP4026819A4 (en) | 2019-09-02 | 2023-12-06 | Kabushiki Kaisha Toshiba | ASSEMBLED BODY, CIRCUIT BOARD AND SEMICONDUCTOR DEVICE |
KR102606192B1 (ko) | 2021-12-30 | 2023-11-29 | 주식회사 큐프럼 머티리얼즈 | 구리 접합 질화물 기판용 구리 접합층 니켈 합금 조성물 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003204021A (ja) * | 2002-01-10 | 2003-07-18 | Sumitomo Metal Electronics Devices Inc | 半導体モジュール用基板 |
JP2010192656A (ja) * | 2009-02-18 | 2010-09-02 | Sumitomo Electric Ind Ltd | 接合体及びこれを利用した放熱構造体とその製造方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5127969A (en) * | 1990-03-22 | 1992-07-07 | University Of Cincinnati | Reinforced solder, brazing and welding compositions and methods for preparation thereof |
US5495979A (en) * | 1994-06-01 | 1996-03-05 | Surmet Corporation | Metal-bonded, carbon fiber-reinforced composites |
JP4077888B2 (ja) * | 1995-07-21 | 2008-04-23 | 株式会社東芝 | セラミックス回路基板 |
JP3834351B2 (ja) | 1996-04-09 | 2006-10-18 | 株式会社東芝 | セラミックス回路基板 |
MY134159A (en) * | 2000-11-16 | 2007-11-30 | Quantum Chemical Tech Singapore Pte Ltd | Improvements in or relating to solders |
JP4168114B2 (ja) * | 2001-09-28 | 2008-10-22 | Dowaホールディングス株式会社 | 金属−セラミックス接合体 |
CN100471668C (zh) | 2002-11-20 | 2009-03-25 | 同和控股(集团)有限公司 | 金属/陶瓷粘合制品 |
JP4394477B2 (ja) * | 2003-03-27 | 2010-01-06 | Dowaホールディングス株式会社 | 金属−セラミックス接合基板の製造方法 |
ITMI20031524A1 (it) * | 2003-07-24 | 2005-01-25 | Ansaldo Ricerche S R L Societa Pe R Lo Sviluppo | Proceddimento per ottenere giunti brasati ad alta resistenza di materiali compositi a piu'strati di tipo ceramico-ceramico e metallo-ceramico, e materiali compositi a piu'strati ottenuti mediante il medesino procedimento |
US8563869B2 (en) * | 2005-08-29 | 2013-10-22 | Hitachi Metals, Ltd. | Circuit board and semiconductor module using this, production method for circuit board |
WO2008004552A1 (en) * | 2006-07-04 | 2008-01-10 | Kabushiki Kaisha Toshiba | Ceramic-metal bonded body, method for manufacturing the bonded body and semiconductor device using the bonded body |
DE102009041574A1 (de) * | 2008-10-29 | 2010-05-12 | Electrovac Ag | Verbundmaterial, Verfahren zum Herstellen eines Verbundmaterials sowie Kleber oder Bondmaterial |
-
2015
- 2015-02-20 EP EP15752710.2A patent/EP3109222B1/en active Active
- 2015-02-20 JP JP2016504183A patent/JP6487901B2/ja active Active
- 2015-02-20 KR KR1020167022990A patent/KR102339805B1/ko active IP Right Grant
- 2015-02-20 CN CN201580009679.3A patent/CN106061923B/zh active Active
- 2015-02-20 US US15/119,052 patent/US10424529B2/en active Active
- 2015-02-20 WO PCT/JP2015/054740 patent/WO2015125907A1/ja active Application Filing
- 2015-02-24 TW TW104105845A patent/TWI665766B/zh active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003204021A (ja) * | 2002-01-10 | 2003-07-18 | Sumitomo Metal Electronics Devices Inc | 半導体モジュール用基板 |
JP2010192656A (ja) * | 2009-02-18 | 2010-09-02 | Sumitomo Electric Ind Ltd | 接合体及びこれを利用した放熱構造体とその製造方法 |
Non-Patent Citations (2)
Title |
---|
GUOBIAO LIN ET AL.: "Joints of carbon fiber- reinforced SiC composites to Ti-alloy brazed by Ag-Cu-Ti short carbon fibers", JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, vol. 189, 2007, pages 256 - 261, XP022024262 * |
MINGGUANG ZHU ET AL.: "Active Brazing Alloy Containing Carbon Fibers for Metal-Ceramic Joining", J. AM. CERAM. SOC., vol. 77, no. 10, 1994, pages 2712 - 20, XP055221455 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017065935A (ja) * | 2015-09-28 | 2017-04-06 | デンカ株式会社 | セラミックス回路基板 |
JP2018098431A (ja) * | 2016-12-16 | 2018-06-21 | 株式会社豊田中央研究所 | 半導体モジュールとその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP6487901B2 (ja) | 2019-03-20 |
TW201541571A (zh) | 2015-11-01 |
KR20160124118A (ko) | 2016-10-26 |
CN106061923A (zh) | 2016-10-26 |
EP3109222A4 (en) | 2017-08-30 |
EP3109222B1 (en) | 2018-09-26 |
JPWO2015125907A1 (ja) | 2017-03-30 |
US20160358840A1 (en) | 2016-12-08 |
EP3109222A1 (en) | 2016-12-28 |
CN106061923B (zh) | 2019-07-26 |
KR102339805B1 (ko) | 2021-12-15 |
TWI665766B (zh) | 2019-07-11 |
US10424529B2 (en) | 2019-09-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6487901B2 (ja) | セラミックス回路基板 | |
KR102504621B1 (ko) | 세라믹스 회로 기판 및 그것을 사용한 모듈 | |
JP6742073B2 (ja) | セラミックス回路基板 | |
JP2014118310A (ja) | セラミックス回路基板 | |
JP7010950B2 (ja) | セラミックス回路基板及びその製造方法 | |
JP2017195378A (ja) | パワーモジュールの製造方法 | |
JP6670240B2 (ja) | セラミックス回路基板及びその製造方法 | |
TW201325330A (zh) | 配線基板及其製造方法以及半導體裝置 | |
JPWO2017200004A1 (ja) | パワーモジュール用基板 | |
JP7301740B2 (ja) | セラミックス回路基板及びその製造方法 | |
WO2018225809A1 (ja) | セラミックス回路基板 | |
JP2017065935A (ja) | セラミックス回路基板 | |
WO2016013651A1 (ja) | ろう材及びこれを用いたセラミック基板 | |
JP6307386B2 (ja) | セラミックス回路基板 | |
JP6621353B2 (ja) | 耐熱性セラミックス回路基板 | |
JP2017041567A (ja) | セラミックス回路基板の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15752710 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2016504183 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15119052 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 20167022990 Country of ref document: KR Kind code of ref document: A |
|
REEP | Request for entry into the european phase |
Ref document number: 2015752710 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2015752710 Country of ref document: EP |