KR101285690B1 - Manufacturing method of impedance matching and one electromagnetic shielding type relationship limit film - Google Patents

Abstract

PURPOSE: A method of manufacturing an insulating film with an integrated impedance matching and electromagnetic shielding function is provided to reduce power consumption by using low voltage. CONSTITUTION: An insulating film is manufactured by spreading an insulating adhesive (S110). A film for impedance matching and electromagnetic shielding is manufactured (S120). The adhesive is stabilized in a curing room (S130). An insulating film with an integrated impedance matching and electromagnetic shielding function is manufactured (S140). The integrated adhesive is secondarily stabilized (S150). [Reference numerals] (S110) Step of manufacturing an insulating film; (S111) Step of drawing the insulating film; (S112) Step of spreading an insulating adhesive; (S120) Step of a film for impedance matching and electromagnetic shielding; (S121) Step of drawing the insulating film for impedance matching and shielding; (S122) Step of spreading an adhesive; (S123) Step of attaching aluminum; (S130) Step of stabilization; (S140) Step of manufacturing an insulating film with an integrated impedance matching and electromagnetic function; (S150) Step of secondary stabilization

Description

Manufacturing method of impedance matching and one electromagnetic shielding type relationship limit film}

The present invention relates to a method for manufacturing an impedance matching and electromagnetic shielding integral insulating film, and more particularly, to manufacture an insulating film capable of impedance matching and electromagnetic shielding through a series of processes, thereby manufacturing by reducing the manufacturing process. The present invention relates to a method of manufacturing an impedance matching and electromagnetic shielding-integrated insulating film to lower the unit cost.

As is well known, all data is transmitted as an electrical signal in a digital home appliance. In particular, a high-performance digital home appliance requires a system capable of effectively transferring a large amount of data between various parts or between various devices without loss of information. do.

As such, since signal transmission performance is directly related to the performance of the product, efforts to improve the performance of the data transmission system have been focused on the digital home appliances, and in order to improve the performance of the digital home appliances, A new interface technology is required along with the high frequency of the use frequency to realize the high speed of the signal transmission.

In this context, the use of low voltages can reduce power consumption, enable high-speed transmission, and have long transmission distances. Low Voltage Differential Signaling (LVDS) solutions are widely used.

The low voltage differential signal (LVDS) refers to a general interface standard for high speed data transmission, and is applied to various fields including a data transmission system of a digital device.

In particular, such a low voltage differential signal solution is mainly used for high-speed transmission of a large amount of data in a system of a digital device, and in a digital device such as a display device, a flexible print circuit (FPC) is used as a transmission medium for data transmission. Flexible Flat Cables (FFCs), which are equal in ductility and transmission characteristics, and have low manufacturing costs, are used to achieve low-voltage differential signaling solutions.

Conventional flat EMI cables for EMI-reducing LVDS include a composite magnetic layer coated with magnetic powder therein, and a metal shield material connected to the conductor and the upper and lower insulators clamped on the upper and lower portions of the conductor and the ground terminal. It can be configured to include, and is configured to form a composite magnetic material layer is applied to the magnetic powder inside the metal shielding material.

However, the above-described conventional flat cable for low voltage differential signal, because it is reflected by the electromagnetic wave does not absorb the signal transmission, due to degradation of insertion loss, cross talk, and return loss. Due to poor signal transmission, there was a problem that can not be used at high speeds over 3Gbps.

In view of this point, the patent application No. 10-2011-0015674 has been filed a flexible flat cable for low voltage differential signal.

Looking at the conventional low-voltage differential signal flexible flat cable, a low-voltage differential signal flexible flat cable, the upper and lower insulating film and the upper and lower insulating film between the upper and lower insulating film one at a regular interval from each other to be exposed to the outside. A plurality of conductors including ground lines and signal lines are arranged to be heat-sealed and fixed through a heat welding apparatus, and a dielectric adhesive bonding member is formed on both sides of the upper insulating film or the lower insulating film or the upper and lower insulating films. A dielectric layer comprising pore type silica or a pore type silica organic polymer coated with calcium carbonate or an organic polymer so as to achieve low loss characteristic impedance during signal transmission, and absorbing electromagnetic waves generated when the signal is applied to the dielectric layer. An electromagnetic wave absorbing layer and the electric wave It includes an insulating member provided to be insulated and heat-sealed on the upper surface of the absorbing layer, and a metal conductive member attached to the insulating member adhesive bonding member provided on the upper surface of the insulating member.

However, in the conventional general low voltage differential signal flexible flat cable made as described above, after manufacturing the low voltage differential signal flexible flat cable as described above, one or both sides of the manufactured low voltage differential signal flexible flat cable, that is, the upper insulating film or the lower insulating film Alternatively, the bar is manufactured by attaching an electromagnetic wave absorbing layer to the upper and lower insulating films, and thus, a manufacturing cost increases due to a complicated process for manufacturing a flexible flat cable for low voltage differential signal.

Patent Application No. 10-2011-0015674, filed date; February 22, 2011 Title of the Invention: Flexible flat cable for low voltage differential signal, FIG.

Accordingly, the present invention has been made in order to solve the above problems, by making an insulating film capable of impedance matching and electromagnetic shielding through a series of processes, it is possible to lower the manufacturing cost due to the reduction of the manufacturing process An object of the present invention is to provide a method of manufacturing an impedance matching and electromagnetic shielding integrated insulating film.

Other objects of the present invention will become apparent as the description proceeds.

The present invention for achieving the above object, in the method of manufacturing an impedance matching and electromagnetic shielding integral insulating film, wound by the drive of the drive motor for drawing drive driven by the control unit of the manufacturing apparatus of the impedance matching and electromagnetic shielding integral insulating film. While the insulating film wound on the roll is taken out, an insulating adhesive is applied to one surface to prepare the insulating film, and by attaching to the other surface of the insulating film manufactured by the above step, impedance matching and electromagnetic wave The shielding insulating film wound on the shielding film winding roll and the aluminum winding roll and the aluminum of the thin plate respectively are pulled out by the respective driving motor driving so as to shield the film. To prepare a, and to the film for impedance matching and electromagnetic shielding prepared by the step Stabilizing the included adhesive in the aging chamber, and the impedance by passing through the pressure roller by interposing an integral adhesive between the film for the impedance matching and electromagnetic shielding stabilized by the step and the insulating film prepared by the step It characterized in that it comprises a step of manufacturing a matching and electromagnetic shielding integral insulating film.

In addition, after the impedance matching and electromagnetic shielding-integrated insulating film by the above step, to stabilize the adhesive in the aging room having an internal temperature of 50 ℃ ~ 70 ℃ 24 hours to 48 hours to stabilize the adhesive secondary Characterized in that further comprises the step of.

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According to the manufacturing method of the impedance matching and electromagnetic shielding integral insulating film according to the present invention as described above, by making a manufacturing process capable of manufacturing an insulating film capable of impedance matching and electromagnetic shielding through a series of processes, manufacturing by reducing the manufacturing process Since the unit cost can be lowered and the impedance matching and electromagnetic shielding integral insulating film is manufactured by a series of processes, the defective rate can be reduced during the production of the impedance matching and electromagnetic shielding integral insulating film.

1 is a flowchart illustrating a method of manufacturing an impedance matching and electromagnetic shielding integrated insulating film according to the present invention.
2 is a view showing an impedance matching and electromagnetic shielding integral insulating film manufactured by the method of manufacturing an impedance matching and electromagnetic shielding integral insulating film according to the present invention.

Hereinafter, an embodiment of the manufacturing method of the impedance matching and electromagnetic shielding integral insulating film according to the present invention will be described in detail.

First, it should be noted that, in the drawings, the same components or parts have the same reference numerals as much as possible. In describing the present invention, a detailed description of known functions and configurations incorporated herein will be omitted so as not to obscure the gist of the invention.

Prior to describing the drawings, the basic concept of the present invention is to produce a film capable of impedance matching, electromagnetic shielding and insulation by making a film capable of impedance matching and electromagnetic shielding and insulation at one time through a series of processes. It is to be noted that it is possible to reduce the manufacturing cost by reducing the process.

Next, with reference to the accompanying drawings will be described a preferred embodiment of the impedance matching and electromagnetic shielding integrated insulating film manufacturing method according to the present invention having the above basic concept.

1 is a flowchart illustrating a method of manufacturing an impedance matching and electromagnetic shielding integrated insulating film according to the present invention.

As shown, the method of manufacturing the impedance matching and electromagnetic shielding integral insulating film according to the present invention is wound on the take-up roll by the driving of the take-out driving motor driven by the controller of the apparatus for manufacturing the impedance matching and electromagnetic shielding integral insulating film. While the insulating film is drawn out, an insulating adhesive is applied to one surface to prepare an insulating film (S110) and impedance matching by being attached to the other surface of the insulating film manufactured by the step (S110). And the shielding insulating film wound on the shielding film winding roll and the aluminum winding roll and the aluminum of the thin plate respectively being drawn out by the respective driving motor driving to shield the electromagnetic waves. A step of preparing a film for operation (S120), and the impedance matching and electromagnetic shielding peeling prepared by the step (S120) Stabilizing the adhesive contained in the aging room (S130), and the pressure between the impedance matching and electromagnetic shielding film stabilized by the step (S130) and the insulating film prepared by the step interposed through the integral adhesive Passing through the roller is made, including the step of manufacturing an impedance matching and electromagnetic shielding integral insulating film (S140).

In addition, after the impedance matching and electromagnetic shielding integral insulating film is prepared by the above step (S140) to maintain the adhesive for stabilizing the adhesive for 24 hours to 48 hours in a aging room having an internal temperature of 50 ℃ ~ 70 ℃ After stabilizing the adhesive (S150) it is configured to ship the product.

On the other hand, the impedance matching and electromagnetic shielding integral insulating film 200 manufactured by the method of manufacturing the impedance matching and electromagnetic shielding integral insulating film 200, the release paper 210 is attached to one surface as shown in FIG. Impedance matching and impedance matching and electromagnetic wave shielding are provided by attaching the insulating film layer 220 and the other surface of the insulating film layer 220 to the other surface of the insulating film layer 220 through the integral adhesive agent 230, It comprises an electromagnetic shielding layer 240.

Here, the insulating film layer 220 is composed of an insulating film 221 and the insulating adhesive 221 provided to attach the release paper 210 to one surface of the insulating film 221.

In addition, the impedance matching and electromagnetic shielding layer 240 and the impedance matching and shielding insulating film layer 241 which is provided to be attached to the other surface of the insulating film layer 220 through the integral adhesive 230. The thin film aluminum layer 243 is attached to the other surface of the impedance matching and shielding insulating film layer 241 through an adhesive 242 to shield electromagnetic waves.

Hereinafter, a method of manufacturing the impedance matching and electromagnetic shielding integral insulating film according to the present invention will be described in more detail.

First, the step (S110) of manufacturing the insulation film of the method of manufacturing the impedance matching and electromagnetic shielding integral insulating film according to the present invention, the driving motor for drawing out by the control unit of the manufacturing apparatus of the impedance matching and electromagnetic shielding integral insulating film When the insulating film wound on the take-up roll is taken out to correspond to driving (S111) and the insulating film is taken out from the take-up roll by the step (S111), the opening / closing valve is opened by the control of the controller. Corresponding to being made is the step of applying the insulating adhesive supplied from the insulating adhesive storage unit on one surface of the insulating film (S112).

The impedance matching and electromagnetic wave shielding film manufacturing step (S120) is attached to the other surface of the insulating film prepared by the step (S110) to produce an impedance matching and electromagnetic shielding film for impedance matching and electromagnetic shielding Step.

That is, the above-mentioned impedance matching and electromagnetic shielding film manufacturing step (S120) is wound on the insulating film winding roll for shielding and driving the driving motor by the control unit to pull out the impedance matching and shielding insulating film (S121). And, when the impedance matching and shielding insulating film is drawn out from the shielding insulating film winding roll by the step (S121) and transported, the adhesive supplied from the adhesive storage unit corresponding to the opening and closing valve is opened by the control of the control unit When the adhesive is applied to one surface of the impedance matching and shielding insulating film being transported by the step (S122) and the transfer of the impedance matching and shielding insulating film by the step (S122), it is wound on an aluminum winding roll to draw aluminum The driving motor is driven by the control unit is configured to take out the aluminum of the thin plate to the other side of the adhesive is attached to (S123) The.

The stabilization step (S130) is a step of stabilizing the adhesive in the maturation room for a long time in accordance with the impedance matching and electron shielding film production.

That is, since the adhesive is applied to one surface while the impedance matching and shielding insulating film is withdrawn from the shielding insulating film winding roll, the adhesive is a step for stabilizing as an unstable state.

In this case, the temperature of the aging chamber is maintained in a temperature range of 50 ℃ to 70 ℃ for the stabilization of the adhesive, and stored in the aging room for 24 to 48 hours to stabilize the adhesive in the temperature range.

In order to manufacture the impedance matching and electromagnetic shielding integral insulating film through the impedance matching and electromagnetic shielding integrated insulating film manufacturing method according to the present invention made as described above, first, impedance matching as shown in Figs. And a drawing drive motor driven by pressing an operation button provided on a control unit of the manufacturing apparatus of the electromagnetic wave shield integrated insulating film.

The insulating film 222 wound on the take-up roll is drawn out by driving the take-out driving motor.

When the insulating film 222 is drawn as described above, the insulating adhesive 221 is applied to one surface of the insulating film 222 in which the insulating adhesive 221 is moving to correspond to the opening and closing valve of the insulating adhesive storage unit under control of the controller. The production of the insulating film is completed by the process.

When the preparation of the insulating film is completed as described above, the impedance matching and the shielding insulating film 241 wound on the shielding insulating film winding roll are drawn out corresponding to the driving of the driving motor under the control of the controller.

When the impedance matching and shielding insulating film 241 is drawn out, the adhesive 242 is applied to the moving impedance matching and shielding insulating film 241 corresponding to the opening and closing valve of the adhesive storage unit under control of the controller. .

As described above, when the adhesive 242 is applied and transferred to one surface of the impedance matching and shielding insulating film 241, the thin sheet is wound on the aluminum winding roll to correspond to the driving of the aluminum take-out driving motor under the control of the controller. The aluminum 243 is drawn out and attached to the adhesive 242 to complete the manufacture of the film for impedance matching and electromagnetic shielding.

When the preparation of the impedance matching and electromagnetic shielding film as described above is completed, the impedance matching and electromagnetic shielding film is left in the aging room having an internal temperature of 60 ° C. for 48 hours to stabilize the adhesive.

If the adhesive of the film for impedance matching and electromagnetic wave shielding is stabilized in the aging room for 48 hours as described above, impedance matching by passing the pressure roller through the integral adhesive 230 on the other surface of the insulating film 222. And the electromagnetic wave shield integrated insulating film 200 is manufactured.

Impedance matching and electromagnetic shielding by staying for 48 hours in a aging chamber having an internal temperature of 60 ° C. to stabilize the integral adhesive 230 of the impedance matching and electromagnetic shielding integrated insulating film 200 manufactured as described above. Manufacturing of the integral insulating film 200 is completed.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. It will be clear to those who have knowledge of.

200; Impedance Matching and Electromagnetic Shielding Insulation Film
210; Release paper 220; Insulation film layer
230; Integral adhesive 240; Impedance matching and electromagnetic shielding layer

Claims (6)

In the manufacturing method of impedance matching and electromagnetic shielding integral insulating film,
An insulating film is manufactured by applying an insulating adhesive on one surface of the insulating film wound on the take-up roll while being driven by a drawing drive motor driven by a control unit of an impedance matching and electromagnetic wave shield integrated insulating film manufacturing apparatus. Step (S110);
The shielding insulating film and the aluminum of the thin film wound on the shielding insulating film winding roll and the aluminum winding roll, respectively, to be capable of shielding the impedance matching and electromagnetic waves by being attached to the other surface of the insulating film manufactured by the step (S110), respectively. A step of manufacturing a film for impedance matching and electromagnetic shielding by bonding the adhesive during the extraction of the driving motor of the drive (S120);
Stabilizing the adhesive included in the impedance matching and electromagnetic wave shielding film prepared by the step (S120) in a aging room (S130);
Impedance matching and electromagnetic shielding integral insulating film is produced by passing through a pressure roller with an integral adhesive between the film for impedance matching and electromagnetic shielding stabilized by the step (S130) and the insulating film prepared by the step. Step (S140)
Impedance matching and electromagnetic shielding integrated insulation film production method comprising a.
The method of claim 1,
After manufacturing the impedance matching and electromagnetic shielding integral insulating film by the step (S140) to stabilize the adhesive in the aging room having an internal temperature of 50 ℃ ~ 70 ℃ 24 hours to 48 hours to stabilize the adhesive secondary Impedance matching and electromagnetic shielding integrated insulating film, characterized in that it further comprises the step (S150).
The method of claim 1,
The impedance matching and electromagnetic shielding film manufacturing step (S120), the step of winding the insulating film for impedance matching and shielding by the drive motor is driven by the control unit is wound on the shielding film winding roll (S121), When the impedance matching and the shielding insulating film are drawn out from the shielding insulating film winding roll by the step (S121) and transferred, the adhesive supplied from the adhesive storing unit corresponds to the opening and closing valve under the control of the controller. And applying an adhesive to one surface of the impedance matching and shielding insulating film being transported by the step (S122), and the surface of the insulating film for shielding (S122), and wound on an aluminum winding roll to drive the aluminum pull-out. Comprising the step (S123) that the thin aluminum is drawn out and attached to the other surface of the adhesive by the motor driven by the control unit Impedance matching and electromagnetic shielding method of producing a one-piece insulating film characterized.
The method according to claim 1 or 3,
Step (S130) for stabilizing the adhesive of the impedance matching and electromagnetic shielding film prepared by the impedance matching and electromagnetic shielding film manufacturing step (S120), 24 hours in a aging room having an internal temperature of 50 ℃ ~ 70 ℃ Impedance matching and electromagnetic shielding integrated insulating film, characterized in that for 48 hours to stay.
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