WO2018199394A1 - 금 적층 구리 필름 및 그 제조 방법 - Google Patents
금 적층 구리 필름 및 그 제조 방법 Download PDFInfo
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- WO2018199394A1 WO2018199394A1 PCT/KR2017/008309 KR2017008309W WO2018199394A1 WO 2018199394 A1 WO2018199394 A1 WO 2018199394A1 KR 2017008309 W KR2017008309 W KR 2017008309W WO 2018199394 A1 WO2018199394 A1 WO 2018199394A1
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- Prior art keywords
- gold
- layer
- metal
- copper
- brass
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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
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
-
- 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
- C23C14/02—Pretreatment of the material to be coated
- C23C14/024—Deposition of sublayers, e.g. to promote adhesion of the coating
- C23C14/025—Metallic sublayers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
- B23K1/0016—Brazing of electronic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/19—Soldering, e.g. brazing, or unsoldering taking account of the properties of the materials to be soldered
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- 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
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
- C23C14/165—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon by cathodic sputtering
-
- 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
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
- C23C14/562—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks for coating elongated substrates
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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
- H05K1/09—Use of materials for the conductive, e.g. metallic pattern
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/42—Printed circuits
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/03—Conductive materials
- H05K2201/0332—Structure of the conductor
- H05K2201/0335—Layered conductors or foils
- H05K2201/0338—Layered conductor, e.g. layered metal substrate, layered finish layer, layered thin film adhesion layer
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/03—Conductive materials
- H05K2201/0332—Structure of the conductor
- H05K2201/0335—Layered conductors or foils
- H05K2201/0355—Metal foils
-
- 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
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
- H05K3/3431—Leadless components
- H05K3/3436—Leadless components having an array of bottom contacts, e.g. pad grid array or ball grid array components
Definitions
- This invention relates to a gold laminated copper film and its manufacturing method.
- metal surface treatment techniques such as plating, thermal evaporation, or sputtering are techniques that improve the corrosion and wear resistance of metals and improve the color and gloss of the metal surface, thereby enhancing the value of the metals.
- gold which is a precious metal, not only increases the value of the product, but is also widely used as a material for terminals and wiring of electronic devices and semiconductor products due to its excellent thermal and electrical properties.
- the gold plating method of plating gold on metals such as copper (Cu) is used in various industrial fields such as electronic products and semiconductor parts as well as household items such as ornaments.
- the last step in the printed circuit board (PCB) manufacturing process is a surface treatment process.
- This surface treatment process is a very important step to prevent oxidation of the solder pad surface until the final soldering process is performed.
- HSL hot air solder leveling
- Au electroless gold
- OSP organic solder ability preservative
- pre-flux electroless tin
- Au electroless silver
- Ag electroless silver
- Gold plating is generally plated with gold on copper, and a nickel protective layer is used to prevent nickel from penetrating into copper foil structure by plating nickel (Ni) first on copper before plating gold on copper. Used as
- the nickel layer using nickel before the gold plating is used as the protective metal layer, the nickel layer is peeled off due to oxidation of the nickel layer after the soldering process.
- the technical problem to be achieved by the present invention is to prevent the peeling phenomenon of the layer laminated on the metal to reduce the defective rate of the product.
- Gold laminated copper film is a metal layer made of a material containing copper, located on the metal layer, brass, manganese brass, phosphor bronze, dust proof, delta metal, naval brass, aluminum (Al) -brass alloy, copper
- a metal protective layer made of a (Cu) -tin (Sn) alloy, a bronze or a copper (Cu) -lead (Pb) alloy, and includes a gold layer located on the metal protective layer.
- the metal layer may be made of a rolled copper foil, an electrolytic copper foil, or a battery copper foil.
- the metal layer may have a thickness of 10 ⁇ m to 100 ⁇ m
- the metal protective layer may have a thickness of 200 ⁇ m to 1000 ⁇ m
- the gold layer may have a thickness of 200 ⁇ m to 1000 ⁇ m.
- a method of manufacturing a gold-clad copper film includes forming a metal protective layer by a roll-to-roll sputtering method on a metal layer made of a copper-containing material, and forming a gold layer on the protective metal layer by a roll-to-roll sputtering method.
- the metal protective layer includes brass, manganese brass, phosphor bronze, real, delta metal, naval brass, aluminum (Al) -brass alloy, copper (Cu) -tin (Sn) alloy, bronze or copper It consists of a (Cu) -lead (Pb) alloy.
- the metal layer may be formed of a rolled copper foil, an electrolytic copper foil, or a battery copper foil.
- the method of manufacturing a gold-clad copper film according to the above feature may further include forming a connection portion between the terminal of the component and the gold layer by performing a soldering process using solder on the gold layer.
- a metal protective layer made of copper alloy is laminated on the metal layer, and then sputtering of gold is performed to prevent gold from penetrating into the metal layer. It increases the adhesion with gold and improves the gloss of the formed gold layer.
- the sputtering method is used, and instead of using the nickel layer, which causes the peeling phenomenon of the plated gold due to oxidation during the soldering process, as a protective metal layer, a copper alloy is used as the protective metal layer, so that after the soldering process The phenomenon that a gold layer peels is prevented.
- FIG. 1 is a cross-sectional view of a gold laminated copper film according to one embodiment of the present invention.
- FIGS. 2 and 3 are cross-sectional views showing a method of manufacturing a gold-clad copper film according to an embodiment of the present invention.
- 4 and 5 illustrate an example of a soldering process between a gold-clad copper film and a component having a terminal according to an embodiment of the present invention.
- the gold-clad copper film 100 may include the metal layer 110, the first and second metal protective layers 121 and 122 positioned on the upper and lower portions of the metal layer 110, respectively. And first and second gold layers 131 and 132 positioned on the first and second metal protective layers 121 and 122, respectively.
- a wiring may be positioned on at least one of the first and second gold layers 131 and 132 (eg, the first gold layer 131).
- the metal layer 110 of the present example is a copper foil made of a material containing copper (Cu), and specifically, may be made of a rolled copper foil, an electrolytic copper foil, or a battery copper foil.
- Cu copper
- the metal layer 110 has a thickness of 10 ⁇ m to 100 ⁇ m.
- the first and second metal protective layers 121 and 122 respectively positioned on the upper and lower portions of the metal layer 100 may have the same thickness, and may have, for example, a thickness of 200 ⁇ s to 1000 ⁇ s.
- first and second metal protective layers 121 and 122 may be formed of brass, manganese brass, phosphor bronze, silzin, delta metal, and naval brass, respectively. naval brass, an aluminum (Al) -brass alloy, a copper (Cu) -tin (Sn) alloy (eg, bronze), or a copper (Cu) -lead (Pb) alloy.
- the first and second gold layers 131 and 132 disposed on the first and second metal protective layers 121 and 122, respectively, and formed of gold (Au) may have a thickness of 200 ⁇ s to 1000 ⁇ s.
- metal protective layers 121 and 122 made of copper alloy are laminated on the metal layer 110, and then sputtering of gold is performed.
- adhesion of gold to the metal layer 110 is increased, and the gloss of the formed gold layers 131 and 132 is improved.
- the sputtering method is used, and in particular, the soldering process is performed because the copper alloy is used as the metal protective layer instead of using the nickel layer, which causes the peeling phenomenon of the plated gold due to the oxidation phenomenon, as the metal protective layer. The phenomenon that a gold layer peels after a process is prevented.
- a method of manufacturing the gold-clad copper film 100 having such a structure will be described with reference to FIGS. 2 and 3.
- each corresponding layer is sequentially formed by using one chamber in which compartments partitioned by partitions or the like are formed by the number of layers stacked to manufacture one gold-clad copper film 100, but differently, Each corresponding layer may be formed sequentially in the chamber.
- the metal layer 110 which is a base layer, moves to a corresponding compartment of a process chamber for laminating each desired layer.
- the metal layer 110 may be made of a material containing copper (Cu), such as a rolled copper foil, an electrolytic copper foil, or a battery copper foil.
- Cu copper
- each layer 110, 121, 122, 131, 132 is manufactured by a roll-to-roll sputtering method using a roll-to-roll sputtering equipment.
- the initial degree of vacuum of the processing chamber is 1 ⁇ 10 - is maintained at 6 torr - 6 torr to about 9 ⁇ 10.
- the initial vacuum of the process chamber is to remove moisture from the metal layer 110 serving as the substrate layer, and a high vacuum pump, a turbo pump, a dispenser pump, or a cryo pump to reach a desired vacuum level. cryo pump).
- the metal layer 110 moves to the process chamber, and then uses an mass flow controller (MFC) to form a plasma for the sputtering process.
- gas i.e., plasma gas
- inert gas e.g., argon (Ar) gases are introduced into the process chamber, thereby, a degree of vacuum of the processing chamber is 1 ⁇ 10 - 3 torr to about 9 ⁇ 10 - 3 torr, preferably It is adjusted to 1 to 5 ⁇ 10 -3 torr so that the vacuum state of the process chamber is adjusted from the initial state to the working state.
- the amount of argon (Ar) gas may be 100sccm to 500sccm.
- each lower limit value 100 sccm
- the sputtering process is performed stably and the stacking operation of a desired layer is performed stably, and when the input amount of argon gas is lower than each upper limit value (500 sccm), Due to the collision with the ions during the plasma formation is reduced stacking efficiency is prevented.
- the injected sputtering gas (argon gas) is discharged from the cathode side (e.g., the target material side). Collide with and be excited to become Ar + .
- the excited argon gas (Ar +) moves toward the cathode where the target material is located and collides with the target material, and the collision generates a plasma, and thus the lamination operation is performed on the metal layer 110 located on the anode side.
- Metal protective layers 121 and 122 are stacked on top and bottom of metal layer 110, respectively (FIG. 2).
- the metal layer 110 may be formed. After the first metal protective layer 121 or the second metal protective layer 122 is formed on the front or rear surface, the second metal protective layer 121 or the second metal protective layer 122 is formed on the second surface of the remaining metal layer 110 in the atmosphere of the same process chamber. The metal protective layer 122 or the first metal protective layer 121 is formed.
- the target material for the first and second metal protective layers 121 and 122 is an alloy material of copper, for example, brass, manganese brass, phosphor bronze ), Silzin, delta metal, naval brass, aluminum (Al) -brass alloys, copper (Cu) -tin (Sn) alloys (eg bronze) or copper ( Cu) -lead (Pb) alloy.
- the manufactured copper foil serves as a compartment for stacking the first and second gold layers 131 and 132. Is moved.
- argon gas which is an atmosphere gas
- the target material gold (Au) is positioned for the first and second gold layers 131 and 132
- the argon gas (Ar +) is injected into the corresponding compartment in which the target material gold (Au) is positioned for the first and second gold layers 131 and 132, and when power is supplied, the argon gas (Ar +)
- the first and second gold layers 121 and 122 are formed on the first and second metal protective layers 121 and 122, respectively, by the sputtering operation (FIG. 3). At this time, the formation order of the first and second gold layers 131 and 132 is changed as necessary.
- An amount of argon (Ar) gas for the first and second gold layers 131 and 132 may be 100 sccm to 500 sccm.
- the first and second metal protective layers 121 and 122 are formed using a sputtering process performed in a vacuum without foreign substances, not a plating process in which foreign substances are introduced.
- a problem caused by a foreign matter for example, a phenomenon in which at least one of the first and second metal protective layers 121 and 122 and the gold layers 131 and 132 formed thereon are oxidized due to the foreign matter or the gold layer 131. Problems such as delamination, etc. are prevented or reduced.
- a heat-resistant copper alloy is used for the first and second metal protective layers 121 and 122 without using nickel, which generates thermal oxidation during the high temperature process for the soldering process.
- the oxidation phenomenon according to the high temperature process performed during the soldering process is reduced or prevented, and as described above, no foreign matter penetrates when forming the first and second metal protective layers 121 and 122, and thus, when soldering, Oxidation and cracking due to this is prevented.
- the density and flatness of the film formed during the sputtering process are greater than the density and flatness of the film formed by the plating process, the density and flatness of the first and second metal protective layers 121 and 122 may be increased than those formed by the plating process. do.
- the adhesion force of the gold layers 131 and 132 is increased. Therefore, the amount of gold used is reduced, thereby improving economic efficiency.
- the aesthetics of the product on which the first and second metal protective layers 121 and 122 are formed is improved due to an increase in gloss or the like due to the formation of the copper alloy material.
- the amount of argon gas injected into the compartment for forming the metal protective layers 121 and 122 and the amount of argon gas injected into the compartment for forming the gold layers 131 and 132 may be different or the same.
- the traveling speed of the metal layer 110 for roll-to-roll spattering may be 1 to 10 m / min.
- the traveling speed of the metal layer 110 and the magnitude of power applied for plasma formation in the sputtering process that is, the magnitude of the power of the DC power generator or the DC pulse power generator are stacked in each of the layers 121 122, 131, and 132. It can be determined according to the thickness.
- the gold laminated copper film 100 having the gold layers 131 and 132 having a desired thickness formed on the metal layer 110 may function as a wiring located on a printed circuit board (PCB) on which components are mounted.
- PCB printed circuit board
- FIGS. 4 and 5 an example of a soldering method for connecting a gold laminated copper film 10 as a wiring of a printed circuit board and connecting a component positioned thereon will be described.
- the gold lamination copper film 100 and the component 200 positioned on the printed circuit board are solder balls as terminals for electrical connection with the gold lamination copper film 100 positioned below the gold lamination copper film 100.
- solder balls as terminals for electrical connection with the gold lamination copper film 100 positioned below the gold lamination copper film 100.
- the components having the terminals that is, the solder balls 210 ( 200 is positioned on the desired gold laminated copper film 100 using a flip chip process or a pick and place process.
- the heat treatment temperature may be 100 °C to 300 °C and the heat treatment time may be 1 minute to 3 minutes.
- gold (Au) contained in the gold laminated copper film 100 is melted, and the gold laminated copper film 100 and the solder balls 210 of the component 200 positioned thereon are electrically and physically connected to the gold laminated copper.
- the connection layer 300 to which the gold layer 131 or 132 of the film 100 and the solder ball 210 which is a terminal of the component are connected is formed.
- the terminal of the component is made of solder balls.
- the present invention is not limited thereto and various kinds of soldering processes may be applied to the present example.
- the gold laminated copper film 100 has metal protective layers 121 and 122 and gold layers 131 and 132 on both the front and the rear of the metal layer 110, but the gold laminated copper film is not limited thereto.
- the metal protective layer 121 or 122 and the gold layer 131 or 132 may be formed on only one surface of the front and rear surfaces of the metal layer 110.
- a surface modification operation of the metal layer 110 may be further performed by using a DC bombard process, thereby forming the metal layer 110.
- the stacking efficiency of the first and second metal protective layers 121 and 122 formed on the surface may be improved.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Other Surface Treatments For Metallic Materials (AREA)
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Abstract
Description
Claims (6)
- 구리를 함유한 물질로 이루어진 금속층,상기 금속층 위에 위치하고, 황동, 망간황동, 인청동, 실진, 델타메탈, 네이벌 황동, 알루미늄(Al)-황동 합금, 구리(Cu)-주석(Sn) 합금, 청동(bronze) 또는 구리(Cu)-납(Pb) 합금으로 이루어진 금속 보호층, 그리고상기 금속 보호층 위에 위치한 금층을 포함하는 금 적층 구리 필름.
- 제1항에서,상기 금속층은 압연 동박, 전해 동박(electrolytic copper foil) 또는 전지용 동박으로 이루어진 금 적층 구리 필름.
- 제1항에서,상기 금속층은 10㎛ 내지 100㎛의 두께를 갖고,상기 금속 보호층은 200Å 내지 1000Å의 두께를 가지며,상기 금층은 200Å 내지 1000Å의 두께를 가지는금 적층 구리 필름.
- 구리를 함유한 물질로 이루어진 금속층 위에 롤투롤 스퍼터링법으로 금속 보호층을 형성하는 단계, 그리고상기 금속 보호층 위에 롤투롤 스퍼터링법으로 금층을 형성하는 단계를 포함하고,상기 금속 보호층은 황동, 망간황동, 인청동, 실진, 델타메탈, 네이벌 황동, 알루미늄(Al)-황동 합금, 구리(Cu)-주석(Sn) 합금, 청동(bronze) 또는 구리(Cu)-납(Pb) 합금으로 이루어진금 적층 구리 필름 제조 방법.
- 제4항에서,상기 금속층은 압연 동박, 전해 동박(electrolytic copper foil) 또는 전지용 동박으로 이루어진 금 적층 구리 필름 제조 방법.
- 제4항에서,상기 금층 위에 땜납을 이용한 솔더링 공정을 실시하여 부품의 단자와 상기 금층이 연결되는 연결부를 형성하는 단계를 더 포함하는 금 적층 구리 필름 제조 방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/739,971 US20190071766A1 (en) | 2017-04-28 | 2017-08-01 | Gold coated copper film and method for manufacturing same |
CN201780002199.3A CN109154068A (zh) | 2017-04-28 | 2017-08-01 | 金层压铜膜及其制造方法 |
GB1721710.0A GB2570287A (en) | 2017-04-28 | 2017-08-01 | Gold-deposited copper film and manufacturing method therefor |
JP2017567440A JP2019518861A (ja) | 2017-04-28 | 2017-08-01 | 金積層銅フィルム及びその製造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2017-0054984 | 2017-04-28 | ||
KR1020170054984A KR101991922B1 (ko) | 2017-04-28 | 2017-04-28 | 금 적층 구리 필름 및 그 제조 방법 |
Publications (1)
Publication Number | Publication Date |
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WO2018199394A1 true WO2018199394A1 (ko) | 2018-11-01 |
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PCT/KR2017/008309 WO2018199394A1 (ko) | 2017-04-28 | 2017-08-01 | 금 적층 구리 필름 및 그 제조 방법 |
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US (1) | US20190071766A1 (ko) |
JP (1) | JP2019518861A (ko) |
KR (1) | KR101991922B1 (ko) |
CN (1) | CN109154068A (ko) |
GB (1) | GB2570287A (ko) |
WO (1) | WO2018199394A1 (ko) |
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KR102515271B1 (ko) * | 2021-05-31 | 2023-03-29 | 주식회사 다이브 | 다층 금속박막 및 이의 제조방법 |
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KR20010012203A (ko) * | 1997-05-14 | 2001-02-15 | 크리스 로저 에이치 | 인쇄 배선판용 초박 전도체층 |
KR100757612B1 (ko) * | 2001-07-06 | 2007-09-10 | 가부시키가이샤 가네카 | 적층체 및 그의 제조 방법 |
JP2007335890A (ja) * | 2000-04-11 | 2007-12-27 | Agere Systems Guardian Corp | 化学・機械的研磨(cmp)中における銅のディッシングを防止するための局部領域合金化 |
KR100957418B1 (ko) * | 2009-06-26 | 2010-05-11 | 손경애 | 인쇄회로기판의 제조방법 및 그에 따라서 제조된 인쇄회로기판 |
KR100961272B1 (ko) * | 2009-12-17 | 2010-06-03 | 주식회사 플렉스컴 | 연성회로기판의 부품 실장구조 및 그 실장방법 |
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US20040231141A1 (en) * | 2001-07-06 | 2004-11-25 | Masaru Nishinaka | Laminate and its producing method |
US20090208762A1 (en) * | 2005-06-23 | 2009-08-20 | Nippon Mining & Metals Co., Ltd. | Copper Foil for Printed Wiring Board |
JP5501586B2 (ja) * | 2008-08-22 | 2014-05-21 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法 |
JP5808114B2 (ja) * | 2011-02-16 | 2015-11-10 | Jx日鉱日石金属株式会社 | プリント配線板用銅箔、積層体及びプリント配線板 |
KR101926565B1 (ko) * | 2011-04-05 | 2018-12-10 | 엘지이노텍 주식회사 | 인쇄회로기판 및 그의 제조 방법 |
KR20140075843A (ko) | 2012-11-29 | 2014-06-20 | 주식회사 지피하이텍 | 전도성 나노폴리머를 이용한 무전해 금도금 방법 |
KR20180041655A (ko) * | 2015-08-19 | 2018-04-24 | 가부시키가이샤 니콘 | 배선 패턴의 제조 방법, 도전막의 제조 방법, 및 트랜지스터의 제조 방법 |
JP6600550B2 (ja) * | 2015-12-16 | 2019-10-30 | 日東電工株式会社 | 金属層積層透明導電性フィルムおよびそれを用いたタッチセンサ |
DE102016216308B4 (de) * | 2016-08-30 | 2022-06-15 | Schweizer Electronic Ag | Leiterplatte und Verfahren zu deren Herstellung |
-
2017
- 2017-04-28 KR KR1020170054984A patent/KR101991922B1/ko active IP Right Grant
- 2017-08-01 WO PCT/KR2017/008309 patent/WO2018199394A1/ko active Application Filing
- 2017-08-01 CN CN201780002199.3A patent/CN109154068A/zh active Pending
- 2017-08-01 GB GB1721710.0A patent/GB2570287A/en not_active Withdrawn
- 2017-08-01 JP JP2017567440A patent/JP2019518861A/ja active Pending
- 2017-08-01 US US15/739,971 patent/US20190071766A1/en not_active Abandoned
Patent Citations (5)
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KR20010012203A (ko) * | 1997-05-14 | 2001-02-15 | 크리스 로저 에이치 | 인쇄 배선판용 초박 전도체층 |
JP2007335890A (ja) * | 2000-04-11 | 2007-12-27 | Agere Systems Guardian Corp | 化学・機械的研磨(cmp)中における銅のディッシングを防止するための局部領域合金化 |
KR100757612B1 (ko) * | 2001-07-06 | 2007-09-10 | 가부시키가이샤 가네카 | 적층체 및 그의 제조 방법 |
KR100957418B1 (ko) * | 2009-06-26 | 2010-05-11 | 손경애 | 인쇄회로기판의 제조방법 및 그에 따라서 제조된 인쇄회로기판 |
KR100961272B1 (ko) * | 2009-12-17 | 2010-06-03 | 주식회사 플렉스컴 | 연성회로기판의 부품 실장구조 및 그 실장방법 |
Also Published As
Publication number | Publication date |
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CN109154068A (zh) | 2019-01-04 |
GB2570287A (en) | 2019-07-24 |
JP2019518861A (ja) | 2019-07-04 |
US20190071766A1 (en) | 2019-03-07 |
KR20180120959A (ko) | 2018-11-07 |
GB201721710D0 (en) | 2018-02-07 |
KR101991922B1 (ko) | 2019-06-21 |
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