JP6313474B2 - 導体層の製造方法及び配線基板 - Google Patents
導体層の製造方法及び配線基板 Download PDFInfo
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- 229910044991 metal oxide Inorganic materials 0.000 claims description 115
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- 239000002245 particle Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 239000011159 matrix material Substances 0.000 claims description 10
- 239000002243 precursor Substances 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 claims description 6
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- 238000006722 reduction reaction Methods 0.000 description 8
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- 239000003638 chemical reducing agent Substances 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
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- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
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- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
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- 238000007254 oxidation reaction Methods 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
- 230000000149 penetrating effect Effects 0.000 description 1
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- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
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- 239000002344 surface layer Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4644—Manufacturing multilayer circuits by building the multilayer layer by layer, i.e. build-up multilayer circuits
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- 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
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- H05K3/1275—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns by other printing techniques, e.g. letterpress printing, intaglio printing, lithographic printing, offset printing
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- H05K1/00—Printed circuits
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- H05K1/11—Printed elements for providing electric connections to or between printed circuits
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
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- H05K2201/09—Shape and layout
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- H05K2203/0776—Uses of liquids not otherwise provided for in H05K2203/0759 - H05K2203/0773
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- H05K2203/11—Treatments characterised by their effect, e.g. heating, cooling, roughening
- H05K2203/1131—Sintering, i.e. fusing of metal particles to achieve or improve electrical conductivity
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Description
文献の参照による組み込みが認められる指定国については、2015年1月6日に日本国に出願された特願2015−000768に記載された内容を参照により本明細書に組み込み、本明細書の記載の一部とする。
20…基板
21…基材
22…多孔質層
30…導体層
31…導電部分
32…第1の絶縁部分
321…貫通孔
322…スリット
33…第2の絶縁部分
331…貫通孔
41…第1のインク層
42…第1の金属酸化物層
43a,43b…第1の金属酸化物層
44…第1の焼結層
441…底面
45,45B…突起
451…先端面
452…側面
46…壁
51…第2のインク層
52…第2の金属酸化物層
521…第1の部分
522…第2の部分
53a,53b…第2の金属酸化物層
54…第2の焼結層
541…底面
55…突起
61…第3のインク層
62…第3の金属酸化物層
621…第1の部分
622…第2の部分
63a,63b…第3の金属酸化物層
64…第3の焼結層
70…光源
81,81B…第1の押圧ローラ
811…押圧面
812…第1の溝
813…押圧面
814…凹部
82…第1の受圧ローラ
821…受圧面
83…第2の押圧ローラ
831…押圧面
832…第2の溝
84…第2の受圧ローラ
841…受圧面
91…押圧ローラ
92…受圧ローラ
Claims (12)
- 支持体上に導体層を形成する導体層の製造方法であって、
金属粒子及び金属酸化物粒子の少なくとも一方を含有する前駆体層を前記支持体上に形成する第1の工程と、
前記前駆体層にパルス電磁波を照射して焼結層を形成する第2の工程と、
前記焼結層を圧縮する第3の工程と、を備え、
前記支持体の同一箇所に対して前記第1〜前記第3の工程をN回(Nは2以上の自然数である。)繰り返すことで、前記導体層を形成し、
1回目〜N−1回目の前記第3の工程は、前記焼結層の表面を凹凸状に形成することを含む導体層の製造方法。 - 請求項1に記載の導体層の製造方法であって、
前記1回目〜前記N−1回目の第3の工程で圧縮された前記焼結層の凹凸状の表面は、複数の凸部を含んでおり、
それぞれの凸部は、先端面に向かうに従って幅狭となる台形の断面形状、又は、矩形の断面形状を有する導体層の製造方法。 - 請求項2に記載の導体層の製造方法であって、
複数の前記凸部は、マトリクス状に配置された複数の突起を含む導体層の製造方法。 - 請求項3に記載の導体層の製造方法であって、
前記1回目〜前記N−1回目の第3の工程の少なくとも一つは、第1の押圧具を前記焼結層の表面に押し付けた後に第2の押圧具を前記焼結層の表面に押し付けることで、前記焼結層の表面を凹凸状に形成することを含んでおり、
前記第1の押圧具は、第1の方向に沿って延在すると共に相互に並列に配置された複数の第1の溝が形成された第1の押圧面を有しており、
前記第2の押圧具は、前記第1の方向に交差する第2の方向に沿って延在すると共に相互に並列に配置された複数の第2の溝が形成された第2の押圧面を有する導体層の製造方法。 - 請求項3に記載の導体層の製造方法であって、
前記1回目〜前記N−1回目の第3の工程の少なくとも一つは、押圧具を前記焼結層の表面に押し付けることで、前記焼結層の表面を凹凸状に形成することを含んでおり、
前記押圧具は、前記突起に対応した形状を有する凹部が形成された押圧面を有しており、
複数の前記凹部は、前記突起の配列に対応するように前記押圧面に配置されている導体層の製造方法。 - 請求項2に記載の導体層の製造方法であって、
複数の前記凸部は、第1の方向に沿って延在する複数の壁を含み、
複数の前記壁は、相互に並列に配置されている導体層の製造方法。 - 請求項6に記載の導体層の製造方法であって、
前記1回目〜前記N−1回目の第3の工程の少なくとも一つは、押圧具を前記焼結層の表面に押し付けることで、前記焼結層の表面を凹凸状に形成することを含んでおり、
前記押圧具は、第1の方向に沿って延在すると共に相互に並列に配置された複数の溝が形成された押圧面を有する導体層の製造方法。 - 請求項1〜7のいずれか一項に記載の導体層の製造方法であって、
前記第1の工程は、
前記金属粒子及び前記金属酸化物粒子の少なくとも一方を含有する分散液を前記支持体上に配置することと、
前記分散液を乾燥させることで前記前駆体層を形成することと、を含む導体層の製造方法。 - 請求項1〜8のいずれか一項に記載の導体層の製造方法であって、
N回目の前記第3の工程は、前記焼結層の表面を平坦状に形成することを含む導体層の製造方法。 - 基板と、前記基板上に設けられた導体層と、を備えた配線基板であって、
前記導体層は、
金属を含有し、導電性を有する導電部分と、
金属酸化物を含有し、電気絶縁性を有する少なくとも一つの絶縁部分と、を含んでおり、
前記絶縁部分は、前記導電部分の内部に埋設され、前記基板の延在方向と実質的に同一の方向に沿って層状に延在しており、
前記絶縁部分は、前記導電部分が貫通する複数の貫通部を有している配線基板。 - 請求項10に記載の配線基板であって、
複数の前記貫通部は、前記絶縁部分においてマトリクス状に配置された複数の貫通孔を含む配線基板。 - 請求項10に記載の配線基板であって、
複数の前記貫通部は、前記絶縁部分において相互に並列に配置された複数のスリットを含む配線基板。
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