JP2021528573A - 積層構造体、それを含む軟性銅箔積層フィルム、及び該積層構造体の製造方法 - Google Patents
積層構造体、それを含む軟性銅箔積層フィルム、及び該積層構造体の製造方法 Download PDFInfo
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- plating layer
- laminated structure
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- nickel
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 154
- 239000011889 copper foil Substances 0.000 title claims abstract description 58
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims description 42
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 191
- 238000007747 plating Methods 0.000 claims abstract description 182
- 239000010949 copper Substances 0.000 claims abstract description 98
- 229910052802 copper Inorganic materials 0.000 claims abstract description 97
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 95
- 239000000463 material Substances 0.000 claims abstract description 50
- 238000002441 X-ray diffraction Methods 0.000 claims abstract description 47
- 229920001940 conductive polymer Polymers 0.000 claims abstract description 47
- 238000004458 analytical method Methods 0.000 claims abstract description 41
- 239000013078 crystal Substances 0.000 claims description 29
- 229920001721 polyimide Polymers 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000007772 electroless plating Methods 0.000 claims description 14
- 238000009713 electroplating Methods 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 239000009719 polyimide resin Substances 0.000 claims description 5
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 4
- 229920001225 polyester resin Polymers 0.000 claims description 4
- 239000004645 polyester resin Substances 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000005011 phenolic resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920013716 polyethylene resin Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000010408 film Substances 0.000 description 57
- 239000000243 solution Substances 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 11
- 239000002245 particle Substances 0.000 description 11
- 239000000126 substance Substances 0.000 description 10
- 239000000654 additive Substances 0.000 description 9
- 239000012535 impurity Substances 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000007602 hot air drying Methods 0.000 description 4
- 230000003685 thermal hair damage Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 229910000365 copper sulfate Inorganic materials 0.000 description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- RCHKEJKUUXXBSM-UHFFFAOYSA-N n-benzyl-2-(3-formylindol-1-yl)acetamide Chemical compound C12=CC=CC=C2C(C=O)=CN1CC(=O)NCC1=CC=CC=C1 RCHKEJKUUXXBSM-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000000879 optical micrograph Methods 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 description 1
- 241000080590 Niso Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- CYKLGTUKGYURDP-UHFFFAOYSA-L copper;hydrogen sulfate;hydroxide Chemical compound O.[Cu+2].[O-]S([O-])(=O)=O CYKLGTUKGYURDP-UHFFFAOYSA-L 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 229910001453 nickel ion Inorganic materials 0.000 description 1
- SPIFDSWFDKNERT-UHFFFAOYSA-N nickel;hydrate Chemical compound O.[Ni] SPIFDSWFDKNERT-UHFFFAOYSA-N 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
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- C23C18/31—Coating with metals
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- H05K3/10—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
- H05K3/18—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 precipitation techniques to apply the conductive material
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- H05K3/22—Secondary treatment of printed circuits
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Abstract
Description
非伝導性高分子基材と、
前記非伝導性高分子基材の少なくとも一面に配置されたニッケル含有メッキ層と、
前記ニッケル含有メッキ層上に配置された第1銅メッキ層と、を含み、
前記第1銅メッキ層に対し、X線回折(XRD:X-ray diffraction)分析による[111]方位面が示され、
前記非伝導性高分子基材と前記ニッケル含有メッキ層との間において、1cm2単位面積当たり剥離発生率が1%以下である積層構造体が提供される。
前述の積層構造体を含む軟性銅箔積層フィルムが提供される。
非伝導性高分子基材の少なくとも一面に、ニッケル含有メッキ層を形成する段階と、
前記ニッケル含有メッキ層上に、第1銅メッキ層を形成する段階と、
前記第1銅メッキ層に対して熱処理する段階と、
加熱処理した前記第1銅メッキ層上に、第2銅メッキ層を形成し、前述の積層構造体を製造する段階と、を含む積層構造体の製造方法が提供される。
・バス温度:約60℃
・ニッケル析出時間:約1分
・pH濃度:約7.3
(無電解銅メッキ液)
・メッキ液:錯化剤として、硫酸銅水和物CuSO4・6H2O 16mol/L、硫酸3.25mL/L
・バス温度:約34℃
・銅析出時間:約2分30秒
・撹拌:空気撹拌(air agitation)
(電解銅メッキ液)
・メッキ液:硫酸銅24g/L、硫酸188g/L、塩酸60ppm
・バス温度:32℃
・電流密度:3.2A/dm2
・銅析出時間:約31分
無電解ニッケルメッキ液において、バス温度約60℃の代わりに、65℃にし、pH濃度約7.3の代わりに、約8.0にし、第1銅メッキ層それぞれに対し、熱処理を行わないことを除いては、実施例1と同一方法で軟性銅箔積層フィルムを作製した。
2 ニッケル含有メッキ層
2’ ニッケル含有メッキ層
3 第1銅メッキ層
3’ 第1銅メッキ層
4 第2銅メッキ層
4’ 第2銅メッキ層
5 第1面
6 第2面
10 積層構造体
Claims (21)
- 非伝導性高分子基材と、
前記非伝導性高分子基材の少なくとも一面に配置されたニッケル含有メッキ層と、
前記ニッケル含有メッキ層上に配置された第1銅メッキ層と、を含み、
前記第1銅メッキ層に対し、X線回折(XRD)分析による[111]方位面が示され、
前記非伝導性高分子基材と前記ニッケル含有メッキ層との間において、1cm2単位面積当たり剥離発生率が1%以下である、積層構造体。 - 前記第1銅メッキ層に対し、X線回折(XRD)分析による[200]方位面、[220]方位面及び[311]方位面のうち、1または2つの方位面が同時に追加して示される、請求項1に記載の積層構造体。
- 前記第1銅メッキ層に対し、X線回折(XRD)分析による[111]方位面、[200]方位面、[220]方位面及び[311]方位面が同時に示されない、請求項2に記載の積層構造体。
- 前記非伝導性高分子基材が、フェノール樹脂、フェノールアルデヒド樹脂、アリル樹脂、エポキシ樹脂、ポリエチレン樹脂、ポリプロピレン樹脂、ポリエステル樹脂及びポリイミド樹脂から選択された1種以上を含む、請求項1に記載の積層構造体。
- 前記非伝導性高分子基材の厚みが7μmないし50μmである、請求項1に記載の積層構造体。
- 前記ニッケル含有メッキ層は、無電解メッキ層である、請求項1に記載の積層構造体。
- 前記ニッケル含有メッキ層が、ニッケルまたはニッケル合金を含む、請求項1に記載の積層構造体。
- 前記ニッケル含有メッキ層の厚みが、40nmないし250nmである、請求項1に記載の積層構造体。
- 前記第1銅メッキ層は、無電解メッキ層である、請求項1に記載の積層構造体。
- 前記第1銅メッキ層の厚みが、40nmないし200nmである、請求項1に記載の積層構造体。
- 前記第1銅メッキ層上に、第2銅メッキ層をさらに含む、請求項1に記載の積層構造体。
- 前記第2銅メッキ層は、電解メッキ層である、請求項14に記載の積層構造体。
- 前記第2銅メッキ層の厚みが、0.5μmないし5.0μmである、請求項14に記載の積層構造体。
- 請求項1ないし16のうちいずれか1項に記載の積層構造体を含む、軟性銅箔積層フィルム。
- 非伝導性高分子基材の少なくとも一面に、ニッケル含有メッキ層を形成する段階と、
前記ニッケル含有メッキ層上に、第1銅メッキ層を形成する段階と、
前記第1銅メッキ層に対して熱処理する段階と、
加熱処理した前記第1銅メッキ層上に、第2銅メッキ層を形成し、請求項1による積層構造体を製造する段階と、を含む積層構造体の製造方法。 - 前記ニッケル含有メッキ層及び第1銅メッキ層は、それぞれ無電解メッキ法によって形成される、請求項18に記載の積層構造体の製造方法。
- 前記熱処理する段階は、100℃ないし180℃の温度で、1分ないし30分間熱処理を行う工程を遂行する、請求項18に記載の積層構造体の製造方法。
- 前記第2銅メッキ層は、電解メッキ法によって形成される、請求項18に記載の積層構造体の製造方法。
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