WO2011122737A1 - 휴대폰 안테나 패턴 인쇄용 잉크, 그 잉크를 이용하여 안테나 패턴이 인쇄된 휴대폰용 합성수지 부품을 제조하는 방법 및 안테나 패턴이 인쇄된 휴대폰용 합성수지 부품 - Google Patents
휴대폰 안테나 패턴 인쇄용 잉크, 그 잉크를 이용하여 안테나 패턴이 인쇄된 휴대폰용 합성수지 부품을 제조하는 방법 및 안테나 패턴이 인쇄된 휴대폰용 합성수지 부품 Download PDFInfo
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- WO2011122737A1 WO2011122737A1 PCT/KR2010/004364 KR2010004364W WO2011122737A1 WO 2011122737 A1 WO2011122737 A1 WO 2011122737A1 KR 2010004364 W KR2010004364 W KR 2010004364W WO 2011122737 A1 WO2011122737 A1 WO 2011122737A1
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- WIPO (PCT)
- Prior art keywords
- antenna pattern
- ink
- mobile phone
- printing
- printed
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
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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
- H05K3/10—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
- H05K3/12—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
- H05K3/1275—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns by other printing techniques, e.g. letterpress printing, intaglio printing, lithographic printing, offset printing
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
-
- 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
- H05K1/092—Dispersed materials, e.g. conductive pastes or inks
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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
- H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
- H05K1/165—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed inductors
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/05—Patterning and lithography; Masks; Details of resist
- H05K2203/0502—Patterning and lithography
- H05K2203/0534—Offset printing, i.e. transfer of a pattern from a carrier onto the substrate by using an intermediate member
Definitions
- the present invention relates to an ink for printing an antenna pattern and a method of manufacturing the same.
- resin materials are widely used for weight reduction and miniaturization of various electrical and electronic devices.
- antennas which are internal antennas of mobile phones, are molded from PC (polycarbonate) materials having good impact resistance and weather resistance. It has a structure that forms a pattern (loop) for wireless transmission and reception on one surface of the body.
- Electroless plating is a method in which a metal is reduced and precipitated on an article by a reducing agent in a solution containing metal ions, and is distinguished from immersion plating due to an ionization tendency.
- Korean Patent Laid-Open No. 10-2005-0122000 discloses a "pretreatment method for electroless plating of a resin containing a polycarbonate component", which is formed by swelling the surface and then removing the swelled surface. Etching method is proposed, but the process is quite inadequate to secure a complicated and stable physical property.
- a method for manufacturing an antenna used in a wireless portable terminal according to "An antenna used in a wireless portable terminal, containing polycarbonate and polycarbonate embedded in the wireless portable terminal.
- a method for manufacturing an antenna having a high durability which includes a built-in antenna block made of synthetic resin and an antenna loop plated on an outer surface of the antenna block to reduce the volume of a terminal.
- the antenna block is etched and neutralized, followed by preliminary deposition to impart polarity, the active surface of the polarized built-in antenna block is pretreated, and pretreated, The electroless copper plating layer is formed on the surface of the antenna block.
- An object of the present invention is to devise to solve the above problems, it is possible to manufacture the antenna pattern for a mobile phone without including the plating process to significantly improve the productivity of the mobile phone and to reduce environmental pollution have.
- the ink for printing a mobile phone antenna pattern according to the present invention is a conductive powder, liquid acrylonitrile, liquid polystyrene, liquid butadiene, and methyl ethyl ketone as a diluent ( MEK, methyl ethyl ketone) is characterized by mixing.
- the conductive powder may include any one of silver (Ag) powder, nickel (Ni), copper (Cu), and gold (Au) powder.
- any one of the silver (Ag) powder, nickel (Ni), copper (Cu) powder, and gold (Au) powder may be included in an amount of 60 wt% to 70 wt%, and 10 wt% to liquid acrylonitrile.
- the viscosity of the ink in which the conductive paste and the methyl ethyl ketone are mixed is 200 mPa ⁇ s to 300 mPa ⁇ s.
- the temperature of the mixed ink is preferably maintained at 30 ° C to 50 ° C.
- Mixing means of the conductive paste and the methyl ethyl ketone is by stirring, the stirring time is preferably 10 hours to 15 hours.
- a method for manufacturing a synthetic resin component for a mobile phone printed with an antenna pattern using a conductive ink Pad transfer step of attaching the conductive ink to the printing pad in the form of an antenna pattern to be printed; A heating step of heating the pad for printing after the pad transition step; Ionizing the ion pattern by emitting electrons with high voltage to the synthetic resin component to which the antenna pattern is to be printed; A pattern printing step of printing the antenna pattern on the surface of the synthetic resin component for the mobile phone by contacting the printing pad that has undergone the ionization step with the surface of the synthetic resin component for the mobile phone; And a drying step of heating and drying the synthetic resin component for a mobile phone which has been subjected to the pattern printing step.
- a method for manufacturing a synthetic resin component for a mobile phone printed with an antenna pattern There is provided a method for manufacturing a synthetic resin component for a mobile phone printed with an antenna pattern.
- the printing pad is preferably heated by applying hot air.
- the printing pad is preferably heated to 70 °C to 90 °C.
- the printing pad is preferably heated for 5 seconds to 10 seconds.
- the thickness of the antenna pattern printed in the printing step is preferably 1 ⁇ m to 10 ⁇ m.
- the temperature is preferably 60 °C to 150 °C.
- the drying time in the drying step is preferably 1 hour to 12 hours.
- a synthetic resin component for a mobile phone printed with the antenna pattern printed with the ink pattern as the antenna pattern, or a synthetic resin component for a mobile phone printed with the antenna pattern manufactured by the method can be manufactured.
- Ink for printing the antenna pattern of a mobile phone according to the present invention, a method of manufacturing a synthetic resin component for a mobile phone printed with an antenna pattern using the ink, and a synthetic resin component for a mobile phone printed with an antenna pattern does not include a plating process. By making it possible to manufacture, it dramatically improves the productivity of mobile phones and reduces the environmental pollution.
- FIG. 1 is a process chart of a method for manufacturing a component for a mobile phone printed with an antenna pattern using an ink according to a preferred embodiment of the present invention.
- FIG. 2 is a schematic view of a component for a mobile phone manufactured by the method of FIG. 1.
- Figure 3 is a photograph showing the adhesion test results of the antenna pattern of the component for a mobile phone manufactured by the method according to FIG.
- Figure 4 is a photograph showing the adhesion test results of the antenna pattern in the components for mobile phones manufactured by the conventional method plating method.
- FIG. 1 is a process chart of a method for manufacturing a component for a mobile phone printed with an antenna pattern using an ink according to a preferred embodiment of the present invention.
- FIG. 2 is a schematic view of a component for a mobile phone manufactured by the method of FIG. 1.
- Figure 3 is a photograph showing the adhesion test results of the antenna pattern of the component for a mobile phone manufactured by the method according to FIG.
- Figure 4 is a photograph showing the adhesion test results of the antenna pattern in the components for mobile phones manufactured by the conventional method plating method.
- the ink for printing a mobile phone antenna pattern is silver (Ag) powder (powder), nickel (Ni) powder, copper (Cu) powder, Au (Au) powder It is formed by mixing any one of the liquid acrylonitrile (acrylonitrile), liquid polystyrene (polystyrene), liquid butadiene (butadiene) and diluent methyl ethyl ketone (MEK, methyl ethyl ketone). More specifically, the ink for printing a mobile phone antenna pattern is for forming an antenna pattern on the surface of a housing, a cover, or a frame for a mobile phone made of synthetic resin such as polycarbonate. The ink for printing the mobile phone antenna pattern contains conductive metal particles unlike the conventional ink.
- the ink for printing the mobile phone antenna pattern includes any one of silver (Ag) powder, nickel (Ni), copper (Cu) powder, and gold (Au) powder in an amount of 60 wt% to 70 wt%, and the liquid acrylic Methylethyl as a diluent in a conductive paste containing 10 wt% to 20 wt% of acrylonitrile, 10 wt% to 20 wt% of liquid polystyrene, and 10 wt% to 20 wt% of butadiene in liquid Ketones (MEK, methyl ethyl ketone) can be formed by mixing.
- MK methyl ethyl ketone
- the silver powder, nickel powder, copper powder, and gold (Au) powder play a role of causing the antenna pattern to have conductivity capable of radiating an RF signal when the antenna pattern is formed. That is, the silver powder, nickel powder, copper powder, and gold (Au) powder are all conductive metals and have good electrical conductivity.
- Ink according to the present invention can be prepared by taking any one of the silver powder, nickel powder, copper powder, gold powder. It is preferable that any one component of the silver powder, nickel powder, copper powder, and gold powder is contained in an amount of 60 wt% to 70 wt%.
- the electrical characteristics of the printed antenna pattern may be degraded, which may reduce the antenna characteristics, which may be relatively acrylonitrile, polystyrene and butadiene, and This is because the same thermosetting resin series increases and the resistance increases.
- the metal powder component exceeds 70wt%, there is a problem in that the ink does not adhere well to the synthetic resin component when forming the antenna pattern, since the thermosetting resin series is relatively small, thereby reducing the adhesive force.
- the mobile phone antenna pattern printing ink contains 10 wt% to 20 wt% of liquid acrylonitrile, 10 wt% to 20 wt% of liquid polystyrene, and 10 wt% to 20 wt% of liquid butadiene. .
- the liquid acrylonitrile, liquid polystyrene, and liquid butadiene are components that enhance the adhesion between the resin part and the ink.
- the acrylonitrile is contained in less than 10wt%, the adhesion strength of the mobile phone antenna pattern printing ink attached to the synthetic resin component may be weakened, which may cause the durability of the mobile phone.
- the acrylonitrile (Acrylonitrile) is included in more than 20wt% may cause a problem that the durability of the mobile phone is weakened because the adhesive force attached to the ink for the mobile phone antenna pattern printing to the synthetic resin component is weakened.
- the same problem applies to the case of the polystyrene and the butadiene, so the liquid acrylonitrile, the liquid polystyrene, and the liquid butadiene, respectively It is preferred to mix in the range of 10wt% to 20wt%.
- conductive powders such as silver powder, nickel powder, copper powder, and gold powder
- the liquid acrylonitrile the liquid polystyrene
- the liquid butadiene the liquid butadiene
- an ink having a viscosity suitable for printing an antenna pattern on a synthetic resin component can be produced. It is preferable that the viscosity of the ink in which the conductive paste and the methyl ethyl ketone are mixed is 200 mPa ⁇ s to 300 mPa ⁇ s. If the viscosity of the ink is less than 200 mPa ⁇ s, there is a problem that the thickness of the antenna pattern is printed too thin. When the viscosity of the ink exceeds 300 mPa ⁇ s, there is a problem in that the thickness of the antenna pattern is printed too thick. In general, mPa ⁇ s used as a unit of viscosity is read as “milli Pascal seconds”, and 1 mPa ⁇ s is equal to 1 cps (centi poise).
- the temperature of the mixed ink is preferably maintained at 30 ° C to 50 ° C.
- the temperature of the ink is less than 30 ° C., there is a problem that stirring is difficult when mixing the conductive paste and the methyl ethyl ketone.
- the temperature of the ink exceeds 50 ° C., the methyl ethyl ketone is volatilized when the conductive paste and the methyl ethyl ketone are mixed with each other.
- the stirring time is preferably 10 hours to 15 hours. If the stirring time is less than 10 hours, there is a problem in that the viscosity of the mixed ink becomes uneven. If the stirring time exceeds 15 hours, the viscosity of the mixed ink may be saturated by a certain viscosity, thereby decreasing the efficiency of stirring.
- the manufacturing method includes a pad transition step (S1), a heating step (S2), an ionization step (S3), a pattern printing step (S4), and a drying step (S5).
- the ink is attached to the printing pad in the form of an antenna pattern to be printed.
- the printing pad is made of rubber or synthetic resin having excellent elastic restoring force.
- the printing pad transfers the antenna pattern to the printing pad by pressing the ink contained in the mold having the antenna pattern into contact with the ink, such as by applying a paint pad.
- the heating step S2 hot air is applied to the printing pad that has passed the pad transition step S1 to heat the printing pad.
- the heating step (S2) is a very important process that is performed to ensure that the ink pattern transferred to the printing pad to adhere well to the surface of the synthetic resin component 10 for mobile phones in the pattern printing step (S3) described later.
- the heating step S2 the printing pad is heated by applying hot air.
- the printing pad is heated to form a condition in which the antenna pattern attached to the printing pad can be separated well.
- the printing pad is preferably heated to 70 °C to 90 °C.
- the thickness of the antenna pattern 20 becomes thin when the antenna pattern attached to the printing pad is printed on the synthetic resin component 10 in the pattern printing step S3 described later. This can happen. That is, the antenna pattern attached to the printing pad may not be separated well from the printing pad. On the other hand, when the printing pad is heated to exceed 90 °C there is a problem that the printing pad itself is thermally deformed.
- the printing pad is preferably heated for 5 seconds to 10 seconds.
- the heating time in the heating step is related to the condition that the printing pad and the antenna pattern attached to the printing pad can be separated well. That is, when the heating time is less than 5 seconds in the heating step, the thickness of the antenna pattern becomes thin when the antenna pattern attached to the printing pad is printed on the synthetic resin component 10 in the pattern printing step S3 described later. May occur. That is, the antenna pattern attached to the printing pad may not be separated well from the printing pad. On the other hand, when the heating time in the heating step exceeds 10 seconds may cause a problem that the printing pad itself is overheated and thermally deformed.
- the ionization step (S3) is carried out for more efficient adhesion while removing foreign substances generated when ink is transferred to the product and suppressing bleeding occurring during printing. 10 is made about.
- ionization can generate a intense magnetic field to ionize molecules.
- a high voltage (5-20 KV) of AC or DC is applied to the sharp end of the pin to ionize the electrons.
- the pad for printing which has undergone the ionization step (S2), is pressed into contact with the surface of the synthetic resin component 10 for a mobile phone, thereby bringing the antenna pattern 20 into the synthetic resin component for the mobile phone 10.
- the thickness of the antenna pattern 20 printed in the pattern printing step S3 is preferably 1 ⁇ m to 10 ⁇ m.
- the thickness of the antenna pattern 20 is less than 1 ⁇ m, the adhesive force of the antenna pattern 20 may be weak and antenna characteristics may be deteriorated.
- the thickness of the antenna pattern 20 exceeds 10 ⁇ m, there is a problem in that the adhesive force of the antenna pattern 20 is weakened and antenna characteristics are deteriorated.
- the pattern transition step S1, the heating step S2, and the pattern printing step S3 are sequentially performed. Can be performed.
- the temperature in the drying step (S5) is heat-drying the synthetic resin component 10 for the mobile phone went through the pattern printing step (S3).
- the temperature is preferably 60 °C to 150 °C. If the temperature in the drying step (S4) is less than 60 °C there is a problem that the adhesion of the antenna pattern 20 printed on the synthetic resin component 10 is weak. If the temperature in the drying step (S4) exceeds 150 °C there is a problem that the synthetic resin component 10 is thermally deformed.
- the drying time in the drying step (S4) is preferably 1 hour to 12 hours. If the drying time is less than 1 hour, there is a problem in that the adhesion of the antenna pattern 20 is weakened and the electrical resistance value is increased. If the drying time exceeds 12 hours, the antenna pattern 20 is dried unnecessarily after it is sufficiently dried, so it is not economical.
- a composite resin component for a mobile phone printed with an antenna pattern in which the ink is printed as an antenna pattern, or a composite resin component for a mobile phone printed with an antenna pattern manufactured by the method described above forms a metal plating layer on an ink layer as compared with a conventional component. The step of doing so is omitted. Therefore, the problem of poor production yield when forming the plating layer is solved and the productivity is remarkably improved. In addition, since the plating process is not included, the harmful environment of the plating process is not formed, and the problem of threatening environmental pollution and health of the worker is solved.
- the present invention is remarkably improved in productivity compared to the case of producing a synthetic resin part for a mobile phone printed with an antenna pattern by using a conventional ink or a conventional method, and the quality of the produced product or an equivalent level compared with the conventional one. I can keep it.
- 3 and 4 are photographs that can compare the adhesion test results of the synthetic resin component for a mobile phone printed with the antenna pattern according to the method according to the present invention and the conventional method.
- FIG. 3 is a photograph showing the adhesion test results of the antenna pattern formed using the ink according to the present invention.
- the adhesion test of the antenna pattern used a cross-cutting test which is generally performed in an industrial field.
- the purpose of the adhesion test is to verify the adhesion between the surface-treated material and the base material on the mechanical parts to prevent the problem of peeling, peeling, etc. under the conditions of consumer use.
- Adhesion test method is to cut the surface of the part for the adhesion test by using a blade to the depth of the surface treated 11 places at intervals of 1mm in width X length. The result is 100 grids of 1 mm ⁇ 1 mm. Remove burrs or debris from the resulting grid.
- the adhesive tape is adhere
- the glued tape is pulled out quickly at 90 ° to the lattice plane. Repeat this process four to five times. As a result, when it falls below 20% per one grating (1mmX1mm), it determines with a pass.
- Figure 4 is a photograph showing the adhesion test results of the antenna pattern manufactured in a conventional manner. That is, the antenna pattern shown in Figure 4 is to complete the antenna pattern by printing the antenna pattern with a printing ink on a synthetic resin base and then plating a metal on the printed pattern. Comparing FIG. 3 with FIG. 4, it can be seen that the adhesion of the antenna pattern illustrated in FIG. 3 is better than that of the antenna pattern illustrated in FIG. 4. As such, the adhesion of the antenna pattern of the synthetic resin component for a mobile phone printed with the antenna pattern manufactured by the method according to the present invention shows an effect superior to that of the conventional method.
- the product according to the present invention obtained comparable results in electrical resistance characteristics as compared with the conventional product. It is an innovative effect of the present invention that the productivity is surprisingly improved while having such comparable product characteristics. Such improvement in productivity has the advantage of additionally accompanied by the effect of reducing the manufacturing cost.
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- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Computer Networks & Wireless Communication (AREA)
- Inorganic Chemistry (AREA)
- Details Of Aerials (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Printing Methods (AREA)
- Manufacturing Of Printed Wiring (AREA)
- Conductive Materials (AREA)
Abstract
Description
Claims (17)
- 전도성 분말, 액상의 아크릴로니트릴(Acrylonitrile), 액상의 폴리스티렌(poly styrene), 액상의 부타디엔(butadiene) 및 희석제로서 메틸에틸케톤(MEK, methyl ethyl ketone)이 혼합된 휴대폰 안테나 패턴 인쇄용 잉크.
- 제1항에 있어서,상기 전도성 분말은 은(Ag) 분말(powder), 니켈(Ni) 분말, 동(Cu) 분말, 금(Au) 분말 중 어느 하나를 포함하는 것을 특징으로 하는 휴대폰 안테나 패턴 인쇄용 잉크.
- 제1항에 있어서,상기 전도성 분말 60wt% 내지 70wt%, 액상의 아크릴로니트릴(Acrylonitrile) 10wt% 내지 20wt%, 액상의 폴리스티렌(poly styrene) 10wt% 내지 20 wt%, 액상의 부타디엔(butadiene) 10wt% 내지 20wt%가 포함된 전도성 페이스트(conductible paste)에 희석제로서 메틸에틸케톤(MEK, methyl ethyl ketone)이 혼합됨으로서 형성된 휴대폰 안테나 패턴 인쇄용 잉크.
- 제3항에 있어서,상기 전도성 페이스트와 상기 메틸에틸케톤이 혼합된 잉크의 점도는 200mPa·s 내지 300mPa·s인 것을 특징으로 하는 휴대폰 안테나 패턴 인쇄용 잉크.
- 제3항에 있어서,상기 전도성 페이스트와 상기 메틸에틸케톤을 혼합시 혼합된 잉크의 온도는 30℃ 내지 50℃로 유지되는 것을 특징으로 하는 휴대폰 안테나 패턴 인쇄용 잉크.
- 제3항에 있어서,상기 전도성 페이스트와 상기 메틸에틸케톤을 혼합수단은 교반에 의하며 그 교반시간은 10시간 내지 15시간인 것을 특징으로 하는 휴대폰 안테나 패턴 인쇄용 잉크.
- 전도성 잉크를 이용하여 안테나 패턴이 인쇄된 휴대폰용 합성수지 부품을 제조하는 방법으로서,상기 전도성 잉크를 인쇄하고자 하는 안테나 패턴 형태로 인쇄용 패드에 부착하는 패드 전이 단계;상기 패드 전이 단계를 거친 인쇄용 패드를 가열하는 가열 단계;상기 안테나 패턴이 인쇄될 합성수지 부품에 대해 고전압에 의한 전자를 방출하여 이오나이즈하는 이오나이즈 단계; 상기 이오나이즈 단계를 거친 인쇄용 패드를 휴대폰용 합성수지 부품의 표면에 가압 접촉하여 안테나 패턴을 상기 휴대폰용 합성수지 부품의 표면에 인쇄하는 패턴 인쇄 단계; 및상기 패턴 인쇄 단계를 거친 상기 휴대폰용 합성수지 부품을 가열 건조하는 건조 단계를 포함하는 것을 특징으로 하는 잉크를 이용하여 안테나 패턴이 인쇄된 휴대폰용 합성수지 부품을 제조하는 방법.
- 제7항에 있어서,상기 가열 단계에서 상기 인쇄용 패드는 열풍을 가하여 가열하는 것을 특징으로 하는 잉크를 이용하여 안테나 패턴이 인쇄된 휴대폰용 합성수지 부품을 제조하는 방법.
- 제7항에 있어서,상기 가열 단계에서 상기 인쇄용 패드는 70℃ 내지 90℃로 가열하는 것을 특징으로 하는 잉크를 이용하여 안테나 패턴이 인쇄된 휴대폰용 합성수지 부품을 제조하는 방법.
- 제7항에 있어서,상기 가열 단계에서 상기 인쇄용 패드는 5초 내지 10초 동안 가열하는 것을 특징으로 하는 잉크를 이용하여 안테나 패턴이 인쇄된 휴대폰용 합성수지 부품을 제조하는 방법.
- 제7항에 있어서,상기 인쇄 단계에서 인쇄되는 안테나 패턴의 두께는 1㎛ 내지 10㎛인 것을 특징으로 하는 잉크를 이용하여 안테나 패턴이 인쇄된 휴대폰용 합성수지 부품을 제조하는 방법.
- 제7항에 있어서,상기 건조 단계에서 온도는 60℃ 내지 150℃인 것을 특징으로 하는 잉크를 이용하여 안테나 패턴이 인쇄된 휴대폰용 합성수지 부품을 제조하는 방법.
- 제7항에 있어서,상기 건조 단계에서 건조 시간은 1시간 내지 12시간인 것을 특징으로 하는 잉크를 이용하여 안테나 패턴이 인쇄된 휴대폰용 합성수지 부품을 제조하는 방법.
- 제7항에 있어서,상기 전도성 잉크는 제1항 내지 제6항 중 어느 한 항의 방법에 의해 제조된 잉크인 잉크를 이용하여 안테나 패턴이 인쇄된 휴대폰용 합성수지 부품을 제조하는 방법.
- 제7항에 있어서,상기 이오나이즈 단계는 핀 끝에 고전압을 인가하여 상기 합성 수지 부품에 대한 이오나이즈를 수행하는 잉크를 이용하여 안테나 패턴이 인쇄된 휴대폰용 합성수지 부품을 제조하는 방법.
- 제1항 또는 제2항의 잉크가 안테나 패턴으로 인쇄된 안테나 패턴이 인쇄된 휴대폰용 합성수지 부품.
- 제6항의 방법에 의해 제조된 안테나 패턴이 인쇄된 휴대폰용 합성수지 부품.
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US13/637,958 US9136592B2 (en) | 2010-03-30 | 2010-07-05 | Ink for printing a mobile phone antenna pattern, method for manufacturing a synthetic resin part for a mobile phone on which an antenna pattern is printed using the ink, and synthetic resin part for a mobile phone on which an antenna pattern is printed |
CN201080065945.1A CN102869732B (zh) | 2010-03-30 | 2010-07-05 | 手机天线图案印刷用墨水、其手机用合成树脂部件的制造方法及其部件 |
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WO2016029222A1 (en) * | 2014-08-22 | 2016-02-25 | Google Inc. | Systems and methods for enabling radio-frequency communication of a modular mobile electronic device |
KR101596457B1 (ko) * | 2015-04-20 | 2016-02-22 | 주식회사 연안테크놀로지 | 휴대형 전자기기용 엔에프씨 안테나 및 그 안테나의 제조 방법 |
KR101640391B1 (ko) | 2016-05-19 | 2016-07-19 | (주)케이엔에스 | 무선통신기기용 내장 안테나 부품의 성형가공장치 |
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CN111312425A (zh) * | 2019-11-18 | 2020-06-19 | 中亚世纪(天津)科技有限公司 | 一种印刷天线的加硬馈点材料及其制备方法 |
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CN102869732B (zh) | 2014-10-08 |
US9136592B2 (en) | 2015-09-15 |
US20130076572A1 (en) | 2013-03-28 |
KR101008004B1 (ko) | 2011-01-14 |
CN102869732A (zh) | 2013-01-09 |
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