WO2006025242A1 - 2層フレキシブル基板及びその製造方法 - Google Patents
2層フレキシブル基板及びその製造方法 Download PDFInfo
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- WO2006025242A1 WO2006025242A1 PCT/JP2005/015365 JP2005015365W WO2006025242A1 WO 2006025242 A1 WO2006025242 A1 WO 2006025242A1 JP 2005015365 W JP2005015365 W JP 2005015365W WO 2006025242 A1 WO2006025242 A1 WO 2006025242A1
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- layer
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- metal layer
- vanadium
- base metal
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- 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
- C23C18/18—Pretreatment of the material to be coated
- C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
- C23C18/2006—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30
- C23C18/2046—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30 by chemical pretreatment
- C23C18/2053—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30 by chemical pretreatment only one step pretreatment
- C23C18/206—Use of metal other than noble metals and tin, e.g. activation, sensitisation with metals
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/20—Metallic material, boron or silicon on organic substrates
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- 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
- C23C18/1633—Process of electroless plating
- C23C18/1646—Characteristics of the product obtained
- C23C18/165—Multilayered product
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- 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
- C23C18/31—Coating with metals
- C23C18/38—Coating with copper
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- 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
- C23C18/48—Coating with alloys
- C23C18/50—Coating with alloys with alloys based on iron, cobalt or nickel
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
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- 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
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- 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
- H05K1/0393—Flexible materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
- Y10T428/12556—Organic component
- Y10T428/12569—Synthetic resin
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
- Y10T428/12826—Group VIB metal-base component
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12903—Cu-base component
- Y10T428/1291—Next to Co-, Cu-, or Ni-base component
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12944—Ni-base component
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
- Y10T428/31681—Next to polyester, polyamide or polyimide [e.g., alkyd, glue, or nylon, etc.]
Definitions
- the present invention relates to a two-layer flexible substrate and a method for producing the same, and more specifically, a nickel vanadium / molybdenum underlayer metal layer or a nickel vanadium / chromium / molybdenum underlayer on an insulator film by a dry plating method.
- a two-layer flexible substrate in which a metal layer (seed layer) is formed and then a copper coating layer is formed on the underlying metal layer, and a copper coating layer having high corrosion resistance and high insulation reliability is formed. And its manufacturing method.
- a substrate used to produce a flexible wiring board is a three-layer flexible substrate in which a copper foil serving as a conductor layer is bonded onto an insulator film using an adhesive (for example, see Patent Document 1) And a two-layer flexible substrate in which a copper coating layer as a conductor layer is directly formed on the insulator film by a dry plating method or a wet plating method without using an adhesive.
- a three-layer flexible wiring board in the case of using a three-layer flexible substrate, can be manufactured by forming a desired wiring pattern on the substrate by a subtractive method.
- a two-layer flexible wiring board can be manufactured by forming a desired wiring pattern on the substrate by a subtractive method or an additive method, but in the past, the manufacturing method was simple.
- the use of three-layer flexible substrates that can be manufactured at low cost was the mainstream.
- a two-layer flexible wiring board using a two-layer flexible substrate that can form a copper coating layer directly on an insulator film without applying an adhesive has attracted attention.
- the substrate forms a copper conductor layer directly on the insulator film without an adhesive. Therefore, the thickness of the substrate itself can be reduced, and the thickness of the copper conductor film to be deposited can be set to an arbitrary thickness. It has the advantage that it can be adjusted.
- an electrolytic copper plating method is usually employed as a means for forming a copper conductor layer having a uniform thickness on an insulator film.
- a thin base metal layer is formed on the insulator film on which the electrolytic copper plating film is applied to provide conductivity to the entire surface, and the electrolytic copper plating process is performed thereon. It is general (see, for example, Patent Document 2).
- the thickness of the copper conductive coating required for wiring is generally considered to be more than 35 m and up to 50 m. Since it is about 100 m, it was a little difficult to cause defects in the wiring part due to the presence of pinholes of several tens / zm.
- the thickness of the copper film for forming the wiring portion as described above is 18 ⁇ m or less, preferably 8 ⁇ m or less, and ideally a very thin thickness of about 5 ⁇ m.
- a flexible wiring board is manufactured by, for example, a subtractive method using a two-layer flexible substrate in which a copper coating layer having a desired thickness is formed on an insulator film on which a base metal layer is formed.
- the wiring pattern is formed in the following process.
- a resist layer having a desired wiring portion pattern is provided on the copper conductor layer so that only the wiring portion is masked and the copper conductor layer of the non-wiring portion is exposed.
- the exposed copper conductor The layer is removed by chemical etching.
- the resist layer is peeled off. Therefore, using a substrate with a very thin copper coating layer, such as 5 m, for example, a wiring with a narrow wiring width and narrow wiring pitch, such as a wiring width of 15 m and a wiring pitch of 30 m.
- a base metal layer is formed on an insulator film by a dry plating method, and a copper coating layer by electroless plating is further applied as an intermediate metal layer, and a pinhole is used.
- a method for covering an exposed portion of an insulating film has been proposed (see, for example, Patent Document 3).
- Patent Document 4 a polymer film having a plasma-treated surface, a nickel tie-coat layer containing nickel or a nickel alloy attached to the plasma-treated surface, and the nickel layer A non-adhesive flexible laminate that includes a copper coat layer attached to the copper coat and another copper layer attached to the copper coat layer has been proposed, and the metals for nickel alloys are Cu, Cr, Fe, V, Ti
- a nickel tie coat layer selected from the group consisting of Al, Si, Pd, Ta, W, Zn, In, Sn, Mn, Co, and a mixture of two or more of these is described.
- Ni alloys include Monel (about 67% Ni, 30% Cu), Inconel (about 76% Ni, 16% Cr, 8% Fe).
- the resulting laminate film is shown to have excellent initial peel strength, peel strength after solder float, and peel strength after thermal cycling! No mention is made.
- a first thin layer made of at least one selected metal is formed by a vacuum film forming method, and a second thin layer of a predetermined thickness made of copper is formed thereon by a vacuum film forming method, A force that describes forming a third thin layer made of copper of a predetermined thickness on a second thin layer by electroplating at a predetermined current density.
- chromium is used as the first thin layer. However, it has not been shown, and the good characteristics of the composite metal film have been described.
- Patent Document 6 also provides a flexible printed wiring board that is excellent in interlayer adhesion, heat resistance, chemical resistance, bending resistance, and electrical characteristics, and is highly reliable and inexpensive.
- a deposited layer of nickel, conoretate, chromium, noradium, titanium, zirconium, molybdenum or tungsten on one or both sides of the plastic film and the deposited particle size on the deposited layer is 0.007. -0.
- Laminate a laminated body with an electron beam heat-deposited copper layer that has an aggregate strength in the range of 850 m to form a desired circuit, and a mask layer made of an insulating organic material that does not form a circuit.
- Patent Document 1 Japanese Patent Laid-Open No. 6-132628
- Patent Document 2 JP-A-8-139448
- Patent Document 3 Japanese Patent Laid-Open No. 10-195668
- Patent Document 4 Special Table 2000—508265
- Patent Document 5 JP-A-7-197239
- Patent Document 6 Japanese Patent Application Laid-Open No. 5-283848
- the present invention solves the above problems in the production of a flexible wiring board using a dry plating method and an electric plating method, and forms a base metal layer on an insulator film by a dry plating process.
- 2-layer flexible board with a copper coating layer with excellent insulation and corrosion resistance and high insulation reliability between the insulation film and the underlying metal layer, and its manufacture It is intended to provide a method.
- the inventors of the present invention form a base metal layer directly on at least one surface of the insulator film without using an adhesive, and form a copper conductor layer having a desired thickness on the base metal layer.
- a base metal layer is directly formed on at least one surface of the insulator film without using an adhesive, and then a copper coating layer is formed on the base metal layer.
- the base metal layer is made of a nickel vanadium-molybdenum alloy formed by a dry plating method and having a vanadium ratio of 13 wt%, a molybdenum ratio of 5-40 wt%, and the balance being nickel.
- the present invention provides a two-layer flexible substrate comprising mainly a base metal layer having a film thickness of 3 to 50 nm.
- the second invention of the present invention is a two-layer flexible film in which a base metal layer is formed directly on at least one surface of an insulator film without using an adhesive, and then a copper coating layer is formed on the base metal layer. ⁇ on the board
- the base metal layer is formed by dry-plating method, at least vanadium containing 2 wt%, the total force to 13 weight 0/0 of vanadium and chromium, at a ratio of molybdenum 5-40 by weight 0/0
- the present invention provides a two-layer flexible substrate comprising a base metal layer having a thickness of 3 to 50 nm, the balance of which mainly contains nickel nickel vanadium chrome molybdenum alloy.
- the copper coating layer formed on the base metal layer is The film thickness is ⁇ !
- the present invention provides a two-layer flexible substrate according to the first or second invention, characterized in that the thickness is -35 ⁇ m.
- the insulator film is a polyimide film, a polyamide film, a polyester film, a polytetrafluoroethylene film, a poly-phenylene sulfide film, or a polyethylene naphthalate.
- System film, liquid crystal polymer system film power The present invention provides a two-layer flexible substrate according to the first to third inventions, which is a selected resin film.
- the fifth invention of the present invention is a two-layer flexible substrate in which a base metal layer is formed directly on at least one surface of an insulator film without using an adhesive, and then a copper coating layer is formed on the base metal layer.
- a nickel-vanadium-molybdenum alloy base metal layer having a vanadium ratio of 13 wt.%, A molybdenum ratio of 5-40 wt.
- the present invention provides a method for producing a two-layer flexible substrate, characterized in that a film thickness of 3 to 50 nm is formed by, and then a copper coating layer is formed on the underlying metal layer.
- the sixth invention of the present invention is a two-layer flexible film in which a base metal layer is directly formed on at least one surface of an insulator film without using an adhesive, and then a copper coating layer is formed on the base metal layer.
- the manufacturing method of the substrate, said insulation Entai on the film, at least vanadium 2wt 0/0 containing, total vanadium and chromium 4 to 13 wt%, the proportion of molybdenum is the balance in the 5 to 40 wt%
- the manufacturing method of this is provided.
- the seventh invention of the present invention is characterized in that after the copper coating layer is formed by a dry plating method, a copper coating layer is further formed on the copper coating layer by a wet plating method.
- a method for producing a two-layer flexible substrate according to the fifth or sixth invention is provided.
- the dry plating method is any one of a vacuum deposition method, a sputtering method, and an ion plating method.
- a method for producing a two-layer flexible substrate is provided.
- a base metal layer is formed directly on at least one surface of the insulator film without using an adhesive, and a desired thickness is formed on the base metal layer.
- the two-layer flexible substrate forming a copper conductor layer Te per cent ⁇ , the insulator film on were formed by a dry-plating method, (1) the proportion force to 13 weight 0/0 of vanadium, the ratio of molybdenum 5 Nickel vanadium-molybdenum alloy with ⁇ 40% by weight and the balance being nickel, or (2) containing at least 2% by weight of vanadium, 4-13% by weight of vanadium and chromium, and 5-40% by weight of molybdenum 2-layer flexible, characterized in that a base metal layer having a thickness of 3 to 50 nm mainly containing nickel-nickel vanadium chromium chromium molybdenum alloy, and a copper coating layer formed on the base metal layer It is possible to obtain a plate.
- the base metal layer contains vanadium, or vanadium and chromium, it is possible to prevent the heat-resistant peel strength from being lowered, and Since molybdenum is contained at the same time, the corrosion resistance and insulation reliability can be improved.
- the reliability having a defect-free wiring portion with high adhesion and corrosion resistance can be obtained. Because it is possible to efficiently obtain flexible wiring boards with highly narrow and narrow pitch wiring sections, the effect is extremely large!
- a base metal layer is directly formed on at least one surface of an insulator film without using an adhesive, and a copper conductor layer having a desired thickness is formed on the base metal layer.
- a layer flexible substrate, the insulator film on, formed Ri by the dry plated method (1) the proportion force to 13 weight 0/0 of vanadium, the ratio of molybdenum 5-40 by weight 0 / 0 balance nickel nickel vanadium molybdenum alloy, or (2) less the Kutomo vanadium 2wt 0/0 containing a total force to 13 weight 0/0 of vanadium and chromium, the proportion of molybdenum is from 5 to 40
- the present invention is characterized in that a base metal layer having a thickness of 3 to 50 nm mainly containing nickel vanadium-chromium-molybdenum alloy having a balance of nickel by weight, and a copper coating layer formed on the base metal layer.
- the thickness of the underlying metal layer mainly containing the nickel vanadium molybdenum alloy or the nickel vanadium chromium molybdenum alloy obtained by the dry plating method is preferably in the range of 3 to 50 nm. If the film thickness is less than 3 nm, it is not preferable because an etching solution infiltrate when the wiring is processed and the wiring part is floated, which causes a problem that the wiring peel strength is remarkably lowered. Further, if the film thickness is greater than 50 nm, it is difficult to perform etching, which is not preferable.
- the composition of the lower ground metal layer, the proportion force to 13 wt% of vanadium, the proportion of molybdenum is the balance nickel 5 to 40 wt 0/0, or contains at least vanadium 2% by weight, nosed total Jiumu and chromium 4 to 13 weight 0/0, it is necessary that the proportion of molybdenum is the balance nickel 5 to 40 wt 0/0.
- the specific force of vanadium ⁇ 13% by weight is necessary to prevent the heat-resistant peel strength from being significantly reduced due to thermal degradation. If the ratio force is lower than the weight% of vanadium, it is not preferable because the heat-resistant peel strength cannot be prevented from significantly decreasing due to thermal deterioration. Further, if the vanadium ratio is more than 13% by weight, etching becomes difficult, which is undesirable. Further, it becomes necessary to perform simultaneous sputtering from the workability of the target, leading to a decrease in productivity.
- the ratio of molybdenum is 5 to 40% by weight, which is necessary for improving corrosion resistance and insulation reliability. If the proportion of molybdenum is less than 5% by weight, the effect of addition does not appear, and improvement in corrosion resistance and insulation reliability is not seen, which is not preferable. In addition, when the proportion of molybdenum exceeds 40% by weight, the heat-resistant peel strength tends to extremely decrease. It is not preferable.
- the nickel ratio is greater than 93%, the sputtering target itself becomes a ferromagnet, and when film formation is performed by magnetron sputtering, the film formation speed decreases. Therefore, it is not preferable.
- the nickel amount is 93% or less, a good film formation rate can be obtained even when the film is formed using the magnetron sputtering method.
- a transition metal element can be appropriately added to the nickel vanadium-molybdenum alloy or the nickel-vanadium-muchrome chromium-molybdenum alloy in accordance with the target characteristics for the purpose of improving heat resistance and corrosion resistance.
- the base metal layer may contain 1% by weight or less of unavoidable impurities contained by being taken in during target production. Good!
- bal. (Balance) is expressed as the amount of nickel including unavoidable impurities of 1 wt% or less.
- a copper coating layer formed on the underlying metal layer by a dry plating method and a copper coating layer formed on the copper coating layer by a wet plating method The film thickness of the combined copper coating layer is preferably 1011111 to 35111.
- the thickness is less than 1 Onm, the copper coating layer formed by the dry plating method becomes thin, so that it is difficult to supply power in the subsequent wet plating process. Also, if it is thicker than 35 m, the productivity is lowered, which is preferable.
- polyimide film polyamide film, polyester film, polytetrafluoroethylene film, polyphenylene sulfide film, polyethylene naphthalate film
- Polyimide film and polyamide film are preferable because they can be applied to applications requiring high temperature connection such as solder reflow.
- the film having a film thickness of 8 to 75 m can be suitably used.
- An inorganic material such as glass fiber can be added as appropriate.
- the dry plating method any one of a vacuum deposition method, a sputtering method, and an ion plating method can be used.
- forming a copper coating layer on the copper coating layer by a wet plating method is relatively suitable for forming a film. Speak.
- the present invention is selected from polyimide film, polyamide film, polyester film, polytetrafluoroethylene film, polyphenylene sulfide film, polyethylene naphthalate film, and liquid crystal polymer film.
- a base metal layer is directly formed on at least one surface of the insulator film, which is a resin film, without using an adhesive, and a copper conductor layer having a desired thickness is formed on the base metal layer.
- the film usually contains moisture, and is dried by air or Z and vacuum before a base metal layer mainly containing nickel vanadium molybdenum alloy or nickel vanadium chromium molybdenum alloy is formed by a dry plating method. It is necessary to remove the moisture present in the film. If this is insufficient, the adhesion with the underlying metal layer will deteriorate.
- a base metal layer mainly containing nickel vanadium molybdenum alloy or nickel vanadium chrome molybdenum alloy is formed by a dry plating method, for example, when the base metal layer is formed using a tapping sputtering apparatus, An alloy target having a metal layer composition is mounted on a sputtering force sword.
- vanadium content exceeds 13% by weight in the case of the nickel-vanadium-molybdenum alloy target and the total amount of vanadium and chromium exceeds 13% by weight in the case of the nickel vanadium-chromium-molybdenum alloy target, the rolling processability becomes remarkably high. It is difficult to manufacture because it decreases.
- a metal layer mainly containing molybdenum alloy is continuously formed.
- a base metal layer mainly containing nickel-vanadium molybdenum alloy or nickel vanadium chromium-molybdenum alloy having a desired film thickness is formed on the film.
- a copper coating layer can be formed by a dry plating method using a sputtering apparatus in which a copper target is mounted on a sputtering force sword.
- the base metal layer and the copper film layer are preferably formed continuously in the same vacuum chamber.
- a copper coating layer is further formed on the copper coating layer by a wet plating method
- an electroless copper plating treatment or a secondary plating is performed as a primary plating.
- wet plating methods such as electrolytic copper plating are combined.
- the electroless copper plating process is performed as the primary plating.
- dry plating is performed by vapor deposition, coarse pinholes may be formed, and the resin film is exposed on the surface. Therefore, by forming an electroless copper plating layer on the entire surface of the substrate, the entire surface of the substrate is covered with a good conductor covering the exposed surface of the film, which can be affected by pinholes. This is to make it so.
- the electroless plating solution used for electroless plating is a reduction deposition in which the metal ions contained are autocatalytic and are reduced by a reducing agent such as hydrazine, sodium phosphinate, formalin, etc. Any type can be used, but for the purpose of the present invention, the purpose is to provide a good conductor on the exposed portion of the insulating film that is generated in the underlying metal layer and exposed by the pinhole.
- the electroless copper plating solution is optimal because of its good conductivity and relatively good workability.
- the thickness of the copper plating film layer by electroless copper plating treatment as a powerful primary plating is capable of repairing defects by pinholes on the substrate surface. If the thickness is such that it is not dissolved by the electrolytic copper plating solution when the sticking treatment is performed, the thickness is preferably in the range of 0.01 to L0 m.
- the electrolytic copper plating process is performed as a secondary plating on the electroless copper plating film layer in order to form a copper conductor layer having a desired thickness.
- the conditions in the conventional wet copper plating process may be employed for both the primary and secondary processes.
- the total thickness of the copper coating layer formed on the underlying metal layer by the dry type “wet plating method” needs to be 35 ⁇ m or less at the maximum.
- wiring patterns are individually formed on at least one surface of the two-layer flexible substrate.
- via holes for indirect layer connection can be formed at predetermined positions and used for various purposes.
- a high-density wiring pattern is individually formed on at least one side of the flexible sheet.
- a via hole penetrating the wiring layer and the flexible sheet is formed in the flexible sheet on which the wiring layer is formed.
- the via hole is filled with a conductive substance to make the hole conductive.
- a conventionally known method such as photoetching can be used.
- a two-layer flexible substrate having a copper coating layer formed on at least one surface is prepared, and screen printing is performed on the copper.
- screen printing is performed on the copper.
- the metal foil is selectively removed by etching with an etching solution such as ferric chloride solution, and then the resist is removed to form a predetermined wiring pattern.
- the wiring pattern is divided into several wiring areas depending on the distribution density of the wiring pattern. For example, the wiring pattern is divided into a high-density wiring area with a wiring width and wiring interval of 50 m or less and other wiring patterns. Divide into wiring areas and consider the thermal expansion difference from the printed circuit board and the convenience of handling. Set the size of the wiring board to be divided to about 10 to 65 mm and divide it appropriately.
- a conventionally known method can be used. For example, a via hole penetrating the wiring pattern and the flexible sheet is formed at a predetermined position of the wiring pattern by laser processing, photoetching, or the like. To do.
- the diameter of the via hole is preferably 100 / z m or less, and preferably 50 ⁇ m or less, preferably within a range that does not hinder the conductive property in the hole.
- the via hole is filled with a conductive metal such as copper by plating, vapor deposition, sputtering, or the like, or a conductive paste is pressed and dried using a mask having a predetermined opening pattern, and the inside of the hole is electrically conductive.
- a conductive metal such as copper by plating, vapor deposition, sputtering, or the like, or a conductive paste is pressed and dried using a mask having a predetermined opening pattern, and the inside of the hole is electrically conductive.
- the conductive metal include copper, gold, and nickel.
- the peel strength was measured in accordance with IPC-TM-650, NUMBER2.4.9. However, the lead width was lmm and the peel angle was 90 °. Leads were formed by the sub-traactive method or the semi-additive method. In addition, as an index of heat resistance, the film substrate on which a 1 mm lead was formed was left in an oven at 150 ° C for 168 hours, taken out to room temperature, and then evaluated for 90 ° peel strength. It was done by doing.
- the etching property was basically confirmed by microscopic observation of the test piece. In addition, the insulation resistance value of the test piece was also measured. If the resistance value was 10 -6 ⁇ or less, it was considered that there was an etching residue between the leads, and the etching property was judged to be poor.
- the HHBT (High Temperature High Humidity Bias Test) test which is an environmental resistance test, uses the above test piece, conforms to JPCA-ET04, and applies DC40V across the terminals in an 85 ° C 85% RH environment. lOOOhr resistance is observed. Resistance is determined that the short-circuit failure at the time of equal to or less than 10 6 ⁇ , was judged to be acceptable if even 10 6 ⁇ or more after lOOOhr. Corrosion indicators include discoloration of the back surface, which was done by observing the back surface of the sample after the HHBT test. When significant discoloration was observed, it was judged as defective, and when discoloration was slight, it was judged as
- a 38 ⁇ m-thick polyimide film (product name “Kapton 150EN”, manufactured by Toray DuPont, Inc.) is cut into a size of 12 cm ⁇ 12 cm, and 4% by weight as the first layer of the base metal layer on one side V
- a —20 wt% Mo—Ni alloy target manufactured by Sumitomo Metal Mining Co., Ltd.
- a 4 wt% V—20 wt% Mo—Ni alloy base metal layer was formed by DC sputtering.
- a part of the film formed under the same conditions was measured with a transmission electron microscope (TEM: manufactured by Hitachi, Ltd.), and the film thickness was 20 nm.
- TEM transmission electron microscope
- a copper layer is formed to a thickness of 200 nm by sputtering using a Cu target (manufactured by Sumitomo Metal Mining Co., Ltd.) as a second layer thereon.
- the film was formed to a thickness of 8 m by electric plating, and used as a raw material substrate for evaluation. With this substrate strength subtratat method, lmm leads for peel strength evaluation and 30 m pitch comb test pieces for HHBT testing were formed.
- the initial peel strength of the obtained flexible substrate was 641 NZm. 150 ° C oven The heat-resistant peel strength after standing for 168 hours is 533 NZm.
- the first layer of the base metal layer 13 wt% V-20 wt% Mo-Ni alloy target (manufactured by Sumitomo Metal Mining Co., Ltd.) was used and 13 wt% V-20 wt% Mo was formed by DC sputtering.
- a raw material substrate for evaluation was obtained in the same manner as in Example 1 except that the Ni alloy base metal layer was formed.
- the first layer of the base metal layer 7 wt% V-5 wt% Mo-Ni alloy target (manufactured by Sumitomo Metal Mining Co., Ltd.) was used, and 7 wt% V-5 wt% Mo was formed by DC sputtering.
- a raw material substrate for evaluation was obtained in the same manner as in Example 1 except that a Ni alloy base metal layer was formed.
- a part of the film formed under the same conditions was measured with a transmission electron microscope (TEM: manufactured by Hitachi, Ltd.), and the film thickness was 20 nm.
- This substrate cap was also formed by lmm lead for peel strength evaluation and 30m pitch comb test piece for HHBT test by sub-tratat method.
- the initial peel strength of the obtained flexible substrate was 670 NZm. 150 ° C oven The heat-resistant peel strength after standing for 168 hours is 513 NZm, which is a good result with no significant change.
- a part of the film formed separately under the same conditions was measured with a transmission electron microscope (TEM: manufactured by Hitachi, Ltd.) to find a film thickness of 50 nm.
- This substrate cap was also formed by lmm lead for peel strength evaluation and 30m pitch comb test piece for HHBT test by sub-tratat method.
- the initial peel strength of the obtained flexible substrate was 608 NZm. 150 ° C oven The heat-resistant peel strength after standing for 168 hours is 575 NZm, which is a good result with no significant change.
- a NiVMo film having a thickness of 20 nm was formed in the same manner as in Example 1. Furthermore, as a second layer, a Cu target (made by Sumitomo Metal Mining Co., Ltd.) was used as the second layer, and a copper film layer was formed to a thickness of 1 ⁇ m by sputtering, and the thickness of the copper layer was 8 ⁇ m. The film was used as a raw material substrate for evaluation. This substrate cap also formed lmm leads for peel strength evaluation and 30 ⁇ m pitch comb-teeth specimens for HHBT testing by the sub-tratat method.
- the initial peel strength of the obtained flexible substrate was 615 NZm. 150 ° C oven 168 hours heat-resistant peel strength after leaving at 575 NZm
- Example 2 In the same manner as in Example 1, a 20 nm thick NiVMo film was formed. Furthermore, as a second layer, a Cu target (manufactured by Sumitomo Metal Mining Co., Ltd.) was used as a second layer, and a copper coating layer was formed up to 8 m by a sputtering method to obtain a raw material substrate for evaluation. From this substrate, an lmm lead for peel strength evaluation and a 30-m-pitch comb-teeth test piece for HHBT testing were formed by the subtratat method.
- a Cu target manufactured by Sumitomo Metal Mining Co., Ltd.
- the initial peel strength of the obtained flexible substrate was 628 NZm. 150 ° C oven
- the heat-resistant peel strength after standing for 168 hours is 540 NZm, which is good without any significant change.
- Example 2 In the same manner as in Example 1, a 20 nm thick NiVMo film was formed. Furthermore, using a Cu target (manufactured by Sumitomo Metal Mining Co., Ltd.) as a second layer, a copper film layer was formed to 500 nm by sputtering, and an lmm lead for peel strength evaluation was formed from this substrate. Then, a 30 ⁇ m pitch comb-teeth test piece for HHBT test was formed to a thickness of 8 ⁇ m by the semi-additive method.
- a Cu target manufactured by Sumitomo Metal Mining Co., Ltd.
- the initial peel strength of the obtained flexible substrate was 630 NZm. 150 ° C oven The heat peel strength after standing for 168 hours is 518 NZm.
- Example 10 [0031] 2 wt% V-2 wt% Cr-20 wt% Mo-Ni alloy target (manufactured by Sumitomo Metal Mining Co., Ltd.) was used as the first layer of the base metal layer, and 2 wt% by DC sputtering. A raw material substrate for evaluation was obtained in the same manner as in Example 1 except that a V—2 wt% 0: —20 wt% Mo—Ni alloy base metal layer was formed.
- a part of the film formed under the same conditions was measured with a transmission electron microscope (TEM: manufactured by Hitachi, Ltd.), and the film thickness was 20 nm.
- This substrate cap was also formed by lmm lead for peel strength evaluation and 30m pitch comb test piece for HHBT test by sub-tratat method.
- the initial peel strength of the obtained flexible substrate was 602 NZm. 150 ° C oven The heat peel strength after standing for 168 hours is 501 NZm, which is good without any significant change.
- a part of the film formed under the same conditions was measured with a transmission electron microscope (TEM: manufactured by Hitachi, Ltd.), and the film thickness was 20 nm.
- This substrate cap was also formed by lmm lead for peel strength evaluation and 30m pitch comb test piece for HHBT test by sub-tratat method.
- the initial peel strength of the obtained flexible substrate was 656 NZm.
- the heat peel strength after standing at an oven of 150 ° C for 168 hours was greatly reduced to 364 NZm.
- insulation reliability tests were performed on three samples, but insulation deterioration was observed on two samples.
- a 7 wt% V—0.5 wt% Mo—Ni alloy target (manufactured by Sumitomo Metal Mining Co., Ltd.) was used as the first layer of the base metal layer, and the 7 wt% V—0.
- a raw material substrate for evaluation was obtained in the same manner as in Example 1 except that a 5 wt% Mo Ni alloy base metal layer was formed.
- a part of the film formed under the same conditions was measured with a transmission electron microscope (TEM: manufactured by Hitachi, Ltd.), and the film thickness was 20 nm.
- This substrate cap was also formed by lmm lead for peel strength evaluation and 30m pitch comb test piece for HHBT test by sub-tratat method.
- the initial peel strength of the obtained flexible substrate was 620 NZm. 150 ° C oven
- the heat-resistant peel strength after standing for 168 hours is 524NZm, which is a good result with no significant change.
- the insulation reliability test was performed on 3 samples, and the resistance was 10 6 ⁇ or less in 2 samples, resulting in a short circuit failure.
- the etching property was good.
- discoloration of the back side of the film after being left in a 85 ° C 85% RH constant temperature bath for 1000 hours discoloration was observed in many parts on the back side of the film.
- a part of the film formed under the same conditions was measured with a transmission electron microscope (TEM: manufactured by Hitachi, Ltd.), and the film thickness was 20 nm.
- This substrate cap was also formed by lmm lead for peel strength evaluation and 30m pitch comb test piece for HHBT test by sub-tratat method.
- the initial peel strength of the obtained flexible substrate was 634 NZm.
- the heat peel strength after standing for 168 hours in oven at 150 ° C was greatly reduced to 284NZm.
- insulation reliability tests were performed on three samples, but no deterioration was observed in V and deviation.
- a 7 wt% V-20 wt% Mo-Ni alloy target (manufactured by Sumitomo Metal Mining Co., Ltd.) was used as the first layer of the base metal layer, and 7 wt% V-20 wt% by DC sputtering.
- a raw material substrate for evaluation was prepared in the same manner as in Example 1 except that the Mo—Ni alloy base metal layer was formed and the film thickness was changed by changing the sputtering time to be shorter than that in Example 5. Obtained.
- a part of the film formed separately under the same conditions was measured with a transmission electron microscope (TEM: manufactured by Hitachi, Ltd.) to find a film thickness of 2 nm.
- TEM transmission electron microscope
- a part of the film formed under the same conditions was measured with a transmission electron microscope (TEM: manufactured by Hitachi, Ltd.), and the film thickness was 20 nm.
- This base material is also evaluated for peel strength by the sub-tratat method.
- a lmm lead for valence and a 30 m pitch comb test piece for HHBT test were formed.
- the initial peel strength of the obtained flexible substrate was 650 NZm.
- the heat-resistant peel strength after standing at 150 ° C oven for 168 hours was greatly reduced to 320NZm.
- the insulation reliability test performed on three samples resulted in a short circuit failure with resistance of 10 6 ⁇ or less.
- the etching property was good.
- a base metal layer is formed directly on at least one surface of the insulator film without using an adhesive, and a desired metal layer is formed on the base metal layer.
- the insulating layer is placed on a two-layer flexible board that forms a copper conductor layer with a thickness.
- a base metal layer having a thickness of 3 to 50 nm and a copper coating layer can be formed on the base metal layer, and according to the two-layer flexible substrate of the present invention, vanadium, Alternatively, since vanadium and chromium are contained, the heat-resistant peel strength can be prevented from being lowered, and at the same time, molybdenum is contained, resulting in corrosion resistance and insulation reliability. Therefore, by using the two-layer flexible substrate, it has high adh
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Description
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US11/661,307 US20080102305A1 (en) | 2005-08-24 | 2005-08-24 | Adhesiveless Copper Clad Laminates And Method For Manufacturing Thereof |
JP2006531952A JP4525682B2 (ja) | 2004-09-01 | 2005-08-24 | 2層フレキシブル基板及びその製造方法 |
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JP (1) | JP4525682B2 (ja) |
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JP2008168585A (ja) * | 2007-01-15 | 2008-07-24 | Mitsubishi Shindoh Co Ltd | フレキシブル積層板 |
JP2011100846A (ja) * | 2009-11-05 | 2011-05-19 | Sumitomo Metal Mining Co Ltd | 2層フレキシブル基板とその製造方法、2層フレキシブル配線板とその製造方法並びにプラズマ処理装置 |
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US9066432B2 (en) * | 2010-11-17 | 2015-06-23 | Jx Nippon Mining & Metals Corporation | Copper foil for printed wiring board |
JP6083433B2 (ja) * | 2012-04-24 | 2017-02-22 | 住友金属鉱山株式会社 | 2層フレキシブル配線用基板及びフレキシブル配線板並びにそれらの製造方法 |
CN107404804B (zh) * | 2016-05-20 | 2020-05-22 | 鹏鼎控股(深圳)股份有限公司 | 电路板及其制作方法 |
JP6706013B1 (ja) * | 2019-10-02 | 2020-06-03 | 住友金属鉱山株式会社 | 銅張積層板および銅張積層板の製造方法 |
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JPH09165635A (ja) * | 1996-10-22 | 1997-06-24 | Mitsubishi Materials Corp | 耐食性のすぐれた物理蒸着非晶質膜材 |
JPH1065316A (ja) * | 1996-08-23 | 1998-03-06 | Sumitomo Metal Mining Co Ltd | 2層フレキシブル基板の製造方法 |
JPH10251885A (ja) * | 1997-03-11 | 1998-09-22 | Tosoh Corp | ニッケル合金層−陽イオン交換膜接合体およびその製造方法と使用方法 |
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US3857683A (en) * | 1973-07-27 | 1974-12-31 | Mica Corp | Printed circuit board material incorporating binary alloys |
JP2874876B2 (ja) * | 1987-08-11 | 1999-03-24 | フオルクスヴアーゲン・アクチエンゲゼルシヤフト | 電気駆動式の調製駆動装置 |
JPH07197239A (ja) * | 1994-01-07 | 1995-08-01 | Hitachi Chem Co Ltd | 金属張りポリイミドフィルムの製造方法 |
US6171714B1 (en) * | 1996-04-18 | 2001-01-09 | Gould Electronics Inc. | Adhesiveless flexible laminate and process for making adhesiveless flexible laminate |
CN1211001C (zh) * | 2001-12-18 | 2005-07-13 | 黄堂杰 | 软性电路基板及其制造方法 |
-
2005
- 2005-08-24 KR KR1020077005041A patent/KR100858310B1/ko active IP Right Grant
- 2005-08-24 JP JP2006531952A patent/JP4525682B2/ja active Active
- 2005-08-24 CN CNB2005800345364A patent/CN100542374C/zh active Active
- 2005-08-24 WO PCT/JP2005/015365 patent/WO2006025242A1/ja active Application Filing
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Patent Citations (3)
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JPH1065316A (ja) * | 1996-08-23 | 1998-03-06 | Sumitomo Metal Mining Co Ltd | 2層フレキシブル基板の製造方法 |
JPH09165635A (ja) * | 1996-10-22 | 1997-06-24 | Mitsubishi Materials Corp | 耐食性のすぐれた物理蒸着非晶質膜材 |
JPH10251885A (ja) * | 1997-03-11 | 1998-09-22 | Tosoh Corp | ニッケル合金層−陽イオン交換膜接合体およびその製造方法と使用方法 |
Cited By (2)
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JP2008168585A (ja) * | 2007-01-15 | 2008-07-24 | Mitsubishi Shindoh Co Ltd | フレキシブル積層板 |
JP2011100846A (ja) * | 2009-11-05 | 2011-05-19 | Sumitomo Metal Mining Co Ltd | 2層フレキシブル基板とその製造方法、2層フレキシブル配線板とその製造方法並びにプラズマ処理装置 |
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US20110081557A1 (en) | 2011-04-07 |
JP4525682B2 (ja) | 2010-08-18 |
US8288011B2 (en) | 2012-10-16 |
KR100858310B1 (ko) | 2008-09-11 |
CN100542374C (zh) | 2009-09-16 |
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