KR101345861B1 - Zig for attaching reinforcement to fpcb - Google Patents

Abstract

The present invention relates to a reinforcement plate attaching zig for a flexible printed circuit board, which includes: a lower plate member which is arranged in a shape corresponding to a reinforcement plate and in which one or more reinforcement plate shape protrusions on which the reinforcement plate is mounted are formed to protrude; a middle plate member which is combined with the upper side of the lower plate member and in which one or more reinforcement plate fixing openings fixating the position of the reinforcement plate mounted on the reinforcement plate shape protrusions are formed by being prepared in a shape corresponding to the reinforcement plate shape protrusions; and an elastic member which is arranged on the surface of the lower plate member at regular intervals, maintains an interval between the lower plate member and the middle plate member, and has a fixed amount of elastic force. One or more position fixing parts which protrude towards the upper side are formed in one or more corners of the upper side corners of the middle plate member. And position fixing openings which correspond to the position fixing parts are formed in the flexible printed circuit board. By the aforementioned, the reinforcement plate attaching zig for a flexible printed circuit board is able to prevent the deformation of the zig and the generation of a foreign substance even in repetitive heat laminating processes and form precise reinforcement plate fixing openings by arranging the reinforcement plate fixing openings by a wire cutting technique. The reinforcement plate attaching zig is also able to easily fixate the position of the reinforcement plate by comprising the reinforcement plate shape protrusions and the reinforcement plate fixing openings, thereby easily performing an attachment between the reinforcement plate and the flexible printed circuit board. Moreover, the reinforcement plate attaching zig is able to prevent the displacement of the middle plate member on the lower plate member by forming the openings and the protrusions which are correspondingly combined with the flexible printed circuit board and the middle plate member and reliably fixate the position of the middle plate member which is combined with the lower plate member by adding a means which mutually combines the middle plate member with the lower plate member.

Description

Reinforcing plate welding jig for flexible circuit board {ZIG FOR ATTACHING REINFORCEMENT TO FPCB}

The present invention relates to a reinforcing plate welding jig for a flexible circuit board.

Background Art [0002] Recent electronic devices have become increasingly smaller, lighter, and more sophisticated due to the rapid development of electronic technology, and semiconductor packages used therefor have been further developed.

Here, as an example of a semiconductor package, an FPCB type semiconductor package is manufactured by using a film for a semiconductor package that is a flexible printed circuit board (FPCB) instead of a lead frame or a printed circuit board (PCB), and is used for an LCD module. It is widely applied to driving ICs and camera CCD chips.

In addition, flexible circuit boards are widely used for mounting semiconductors and electronic devices according to the trend of slimming electronic communication products. Since the flexible circuit board can be bent, a three-dimensional circuit can be formed, and the circuit board can be light-weighted. However, since the rigidity of the flexible circuit board is low, a reinforcing plate is attached to prevent breakage of the substrate during the manufacturing process.

Republic of Korea Patent Publication No. 10-0829219 (2008.06.17. Announcement) proposes a reinforcing plate welding apparatus for a flexible circuit board and a reinforcing plate welding method using the same.

The above-described prior art is configured to press the reinforcing plate against the surface of the flexible circuit board while the reinforcing plate bonding jig moves toward the transfer panel. At the same time, the reinforcing plate was heated so that the reinforcing plate was thermally bonded to the surface of the flexible circuit board.

However, the related art repeatedly heats and cools the reinforcement plate, so that the jig supporting the reinforcement plate is deformed by heat or the jig surface component falls out in powder form and is attached to the reinforcement plate or the flexible circuit board, whereby the reinforcement plate is attached. There was a problem that the failure rate of the flexible printed circuit board is increased.

The present invention was made to improve the above problems, and an object of the present invention is to improve durability of the reinforcing plate welding jig and at the same time to form openings and protrusions corresponding to each other in the flexible circuit board and the middle plate member to form a middle plate member. To provide a technology that can prevent the displacement of the.

According to the present invention, the lower plate member is provided in a shape corresponding to the reinforcement plate, protruding one or more reinforcement plate shape projection is mounted on the reinforcement plate; A middle plate member coupled to an upper portion of the lower plate member and having one or more reinforcing plate fixing openings formed in a shape corresponding to the reinforcing plate shape protrusion to fix a position of the reinforcing plate mounted on the reinforcing plate shape protrusion; And an elastic member disposed on the surface of the lower plate member at a predetermined interval and maintaining a distance between the lower plate member and the middle plate member and having a predetermined elastic force. And the lower plate member and the middle plate member are made of aluminum, and an oxide layer is formed on a surface of the middle plate member, and the oxide layer is formed by anodizing the surface of the middle plate member. The thickness of the is 10 micrometers to 35 micrometers, the reinforcing plate fixing opening is provided in a shape corresponding to the reinforcing plate shape projections, is formed with a larger area than the area of the reinforcing plate shape projections on the basis of the flat cross section, The area of the reinforcing plate fixing opening on the basis of the plane is formed 1.1 to 1.2 times the area of the reinforcing plate shape projection, and at least one of the upper surface edge of the middle plate member is formed with a position fixing portion protruding upward, the flexible circuit board The position fixing opening corresponding to the position fixing portion is formed, the middle plate member is fastened to the lower plate member One middle plate fastening portion is provided, and the lower plate member is provided with a lower plate fastening portion for fastening with the middle plate member. Can be achieved by a jig.

Here, the reinforcing plate fixing opening is formed by a wire cutting process.

In addition, the reinforcing plate fixing opening is formed to be tapered (taper) from the bottom to the upper side based on the front end surface.

On the other hand, the middle plate member is provided with a set of middle plate portion divided into two or more, each of the divided middle plate portion is formed with the position fixing portion.

Here, the divided middle plate portion is displaced from the lower plate member by the separation distance between the reinforcing plate-shaped protrusion and the reinforcing plate fixing opening when the lower plate member is coupled, the position fixing opening of the flexible circuit board and the position fixing portion of the middle plate portion is correspondingly coupled The position of the middle plate is fixed on the lower plate member.

On the other hand, the middle plate fastening portion may be provided in the form of a hook provided to be rotatable, the lower plate fastening portion may be provided in the form of a groove into which the middle plate fastening portion provided in the hook form is inserted.

Alternatively, the middle plate fastening part may be provided in the form of an opening formed at one or more edges of the middle plate member, and the lower plate fastening part may be provided in a protrusion shape corresponding to the middle plate fastening part provided in the opening shape.

According to the present invention, the following effects can be obtained.

First, it is possible to prevent the deformation of the jig and the generation of foreign matter even in the repeated thermal lamination process.

Second, by providing the reinforcing plate fixing opening by wire cutting, it is possible to form a precise reinforcing plate fixing opening.

Third, the position of the reinforcing plate can be easily fixed due to the configuration of the reinforcing plate forming protrusion and the reinforcing plate fixing opening, and thus, the welding of the reinforcing plate and the flexible circuit board can be easily implemented.

Fourth, it is possible to prevent the middle plate member from being displaced on the lower plate member by forming openings and protrusions correspondingly coupled to the flexible circuit board and the middle plate member.

Fifth, by adding means for fastening the middle plate member and the lower plate member, it is possible to reliably fix the position of the middle plate member fastened on the lower plate member.

1 is an exploded perspective view of a reinforcing plate welding jig for a flexible circuit board according to the present invention.
2 is an exploded perspective view of a reinforcing plate welding jig for a flexible circuit board according to another embodiment of the present invention.

Hereinafter, the configuration of the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, the terms used in the specification and claims should not be construed in a dictionary sense, and the inventor may, on the principle that the concept of a term can be properly defined in order to explain its invention in the best way And should be construed in light of the meanings and concepts consistent with the technical idea of the present invention.

Therefore, the embodiments shown in the present specification and the drawings are only exemplary embodiments of the present invention, and not all of the technical ideas of the present invention are presented. Therefore, various equivalents It should be understood that water and variations may exist.

1 is an exploded perspective view of a reinforcing plate welding jig for a flexible circuit board according to the present invention, Figure 2 is an exploded perspective view of a reinforcing plate welding jig for a flexible circuit board according to another embodiment of the present invention.

1 to 2, the reinforcing plate temporary jig for flexible circuit board according to the present invention includes a lower plate member 10, a middle plate member 20, an elastic member 30, and an upper plate member 40.

Here, the lower plate member 10 is disposed in the lower portion of the reinforcing plate welding jig and a plurality of reinforcing plate-shaped protrusions 12 are supported on the surface of the reinforcing plate (R) is formed.

In addition, the middle plate member 20 is coupled to the upper portion of the lower plate member 10, the reinforcing plate fixing opening of the shape corresponding to the upper surface of the reinforcing plate-shaped protrusion 12 in a position corresponding to the reinforcing plate-shaped protrusion 12. (22) is formed.

Here, the upper surface of the middle plate member 20, the position fixing portion 24 which is coupled to correspond to the position fixing opening (F1) formed in the flexible circuit board (F) is formed protruding, the position fixing portion 24 is the middle plate member ( At least one corner may be provided at each corner of 20).

The position fixing part 24 formed in the middle plate member 20 is provided to correspond to the position fixing opening F1, and the middle plate member 20 is coupled by the position fixing part 24 and the position fixing opening F1. The effect of being fixed on the lower plate member 10 can be exerted.

In more detail, when the middle plate member 20 is coupled to the upper plate member 10, the reinforcing plate fixing opening 22 of the middle plate member 20 is approximately larger than the reinforcing plate forming protrusions 12 of the lower plate member. 3 to 5 (%) is formed wide (for easy insertion), the middle plate member 20 fastened on the lower plate member 10 by the free portion of the reinforcing plate fixing opening 22 is displaced by the free portion ( It is prepared to be before, after, left and right. After that, when the reinforcement plate R and the flexible circuit board F are sequentially inserted and stacked and pressed by the upper plate member 40, when there is a displacement of the middle plate member 20, the reinforcing plate shape projection of the lower plate member ( 12) and the arrangement state of the reinforcing plate (R) does not correspond 1: 1 in the processing error range, thereby may cause a defect of the product when pressed. Accordingly, the position fixing opening F1 of the flexible circuit board F coupled to the lower plate member 10 of the middle plate member 20 by the width of the reinforcing plate fixing opening 22 is coupled to the upper portion of the middle plate member 20. Through the prevention (combination of the position fixing opening and the position fixing part of the middle plate member, the middle plate member can be temporarily fixed on the lower plate member).

In addition, the middle plate member 20 may be provided as a set of middle plate portion divided into two or more, as shown in Figure 1, four middle plate portion may be provided to form the middle plate member 20, the divided middle plate portion is a middle plate member When the 20 is achieved, the displacement preventing effect of the above-described middle plate member 20 may be increased.

That is, the divided middle plate portion is displaced from the lower plate member 10 by the separation distance between the reinforcing plate shape protrusion 12 and the reinforcing plate fixing opening 22 when the lower plate member 10 is coupled to each other. The position fixing opening (F1) and the position fixing portion 24 of each of the divided middle plate is correspondingly coupled to the position of the middle plate portion can be fixed on the lower plate member (10).

On the other hand, when the middle plate member 20 is fastened in the upper portion of the lower plate member 10, the height of the reinforcing plate-shaped protrusion 12 is formed lower than the height of the reinforcing plate fixing opening 22 to reinforce the reinforcing plate (R) When inserted into the upper portion of the reinforcing plate-shaped protrusion 12 through the plate fixing opening 22, the reinforcing plate R is seated on the reinforcing plate-shaped protrusion 12 through the inner surface of the reinforcing plate fixing opening 22. The position is fixed.

That is, when the lower plate member 10 and the middle plate member 20 is fastened to each other, the upper surface of the reinforcement plate-shaped protrusion 12 is within the machining error range than the upper surface of the reinforcing plate fixing opening 22 of the reinforcing plate (R) It is formed to be as low as the thickness.

On the other hand, the elastic member 30 is disposed on the surface of the lower plate member 10 to maintain a distance between the lower plate member 10 and the middle plate member 20 is provided to have a predetermined elastic force.

Here, the elastic member 30 serves to maintain a constant gap between the lower plate member 10 and the middle plate member 20, and at the same time, the middle plate member 20 in the upper plate member 40 to be described later When the pressing force is applied to the furnace (when thermal lamination of the reinforcing plate (R) and the flexible circuit board (F)), it serves to support the pressing force by the lowering of the middle plate member 20 with a predetermined elastic force.

That is, the elastic member 30 is provided to support the application of the pressing force to the middle plate member 20 and the flexible circuit board (F) with a suitable bonding strength of the reinforcing plate (R) and the flexible circuit board (F).

In addition, the upper plate member 40 is coupled to the upper portion of the middle plate member 20, and is mounted on the reinforcing plate-shaped protrusion 12 and the reinforcing plate (R) accommodated in the reinforcing plate fixing opening 22, the flexible circuit board ( It serves to provide a pressing force for contacting R).

On the other hand, the reinforcing plate temporary jig according to the present invention may further include a fastening means for reliably implementing the fixing between the middle plate member 20 and the lower plate member 10.

That is, the middle plate member 20 is provided with a middle plate fastening portion 26 for fastening with the lower plate member 10, and the lower plate member 10 has a lower plate fastening portion 14 for fastening with the middle plate member 20. The position of the lower plate member 10 and the middle plate member 20 may be fixed due to the mutual fastening of the middle plate fastening portion 26 and the lower plate fastening portion 14.

Here, the lower plate fastening portion 14 and the middle plate fastening portion 26 may be provided in various forms, as shown in Figure 1, the middle plate fastening portion 26 and the hook form provided in the form of a hook provided to be rotatable. It may be implemented as a lower plate fastening portion 14 is provided in the groove form is inserted into the middle plate fastening portion 26 is provided.

In this case, after the lower plate member 10, the middle plate member 20, the reinforcing plate R, and the flexible circuit board F are laminated (as described above, the position fixing opening of the flexible circuit board and the position fixing portion of the middle plate member). When the position of the middle plate member is fixed), and the middle plate fastening portion 26 is rotated and inserted into the lower plate fastening portion 14, and finally the middle plate member 20 and the lower plate member 10 can be fixed.

Or, as shown in Figure 2, in the form of a projection that is correspondingly inserted into the middle plate fastening portion 26 provided in the form of an opening formed at least one edge of the middle plate member 20 and the middle plate fastening portion 26 provided in the opening form. It may also be implemented as a lower plate fastening portion 14 is provided.

In this case, the position at which the mid-plate fastening portion 26 and the bottom plate fastening portion 14 are formed is preferably formed in a direction in which each mid-plate fastening portion 26 and the bottom plate fastening portion 14 face each other. Likewise, when each fastening portion is formed in the front-rear direction, the front and rear positions of the middle plate member are fixed on the upper plate member, and when formed in a direction facing left and right, the left and right positions of the middle plate member may be provided to be fixed on the upper plate member. have.

On the other hand, according to the present invention, the lower plate member 10, the middle plate member 20 and the upper plate member 40 is provided with an aluminum material.

Here, since the lower plate member 10, the middle plate member 20 and the upper plate member 40 is provided with an aluminum material, even if the repeated welding process is performed, the durability of the reinforcing plate welding jig is maintained above a certain level so that Deformation and damage can be prevented.

In particular, the oxide film layer is formed on the surface of the middle plate member 20, the occurrence of surface departures from the middle plate member 20 due to the repeated welding process by the configuration of the oxide film layer.

Here, the oxide film layer may be formed by anodizing the surface of the middle plate member 20.

Here, anodizing is a kind of aluminum coating and is a product surface post-processing, and by anodizing the middle plate member 20, it is possible to prevent the oxidation of the middle plate member 20 and at the same time increase the durability of the middle plate member 20.

Preferably, by anodizing the middle plate member 20, it is possible to form an oxide film layer on the surface of the middle plate member 20 to the thickness required in the design, thereby improving the strength and durability of corrosion of the middle plate member 20 It may be provided to have.

The oxide film layer may have a thickness of about 10 micrometers to about 35 micrometers.

Here, when the thickness of the oxide film layer is formed to less than 10 micrometers, it is difficult to trust the durability of the middle plate member 20, if it exceeds 35 micrometers, the upper surface of the reinforcing plate (R) and the flexible circuit board (F) The gap between the joining surface of the lower surface may occur and the poor welding may occur.

More preferably, the oxide film layer may be provided with a thickness of 20 micrometers to 30 micrometers.

On the other hand, the reinforcing plate fixing opening 22 is provided in a shape corresponding to the reinforcing plate-shaped protrusion 12, is formed with a larger area than the area of the reinforcing plate-shaped protrusion 12 on the basis of the flat cross-section is the middle plate member 20 When the fastener is fastened to the lower plate member 10, the reinforcing plate-shaped protrusion 12 may be provided to be easily inserted into the reinforcing plate fixing opening 22.

Preferably, the area of the reinforcing plate fixing opening 22 is formed to be 1.1 to 1.2 times wider than the area of the upper surface of the reinforcing plate shape protrusion 12 on the basis of the flat cross section of the middle plate member 20 and the lower plate member 10. Fastening can be easily implemented.

Here, when the area of the reinforcing plate fixing opening 22 is formed to be less than 1.1 times the area of the upper surface of the reinforcing plate-shaped protrusion 12, the reinforcing plate is fixed in fastening the middle plate member 20 and the lower plate member 10. Problems occur in controlling the position of the middle plate member 20 for the corresponding insertion of the opening 22 and the reinforcing plate shaped protrusion 12, and when formed to exceed 1.2 times, the upper surface of the reinforcing plate shaped protrusion 12 There is a problem that the displacement of the reinforcing plate (R) that is seated on the occurrence of poor welding.

Here, the reinforcing plate fixing opening 22 of the middle plate member 20 may be formed by a wire cutting process.

The wire cutting is a kind of metal processing that can form fine holes while changing angles by processing thin wires (dedicated 'wires' for electric discharge machining) in one direction and discharging between materials and wires.

Specifically, wire cutting is a processing method in which a workpiece is cut using a spark generated by discharging between a traveling wire and a material as a saw blade, and complicated numerical apertures and contours are formed by computer numerical control (CNC), mold, and radiator. Used for pin processing of fine gaps, etc.

In addition, the wire cutting process can realize very precise machining precision, so that when processing micro or complex shapes that cannot be processed by general machine tools, processing of superhard materials that are heat treated or difficult to cut in general When used, it is used when processing a mold requiring high precision machining.

By wire cutting to implement the high precision as described above, the reinforcing plate fixing opening 22 is formed so as to taper from the bottom to the top with respect to the front end surface.

That is, the upper side of the reinforcing plate fixing opening 22 is narrowly formed, and the opening is formed wider as the taper toward the lower side, so that the upper side (side surface on which the reinforcing plate R is seated) is located at the position of the reinforcing plate R. It can be reliably fixed and the lower side is configured to allow some degree of insertion and position adjustment into the reinforcement plate-shaped protrusion 12 can be increased in versatility.

As described above, the reinforcing plate temporary jig for flexible circuit board according to the present invention can prevent the deformation and foreign matter generation of the jig even in the repeated thermal lamination process, by providing a wire-cutting reinforcing plate fixing opening, precise reinforcement The plate fixing opening can be formed.

In addition, due to the configuration of the reinforcing plate forming protrusion and the reinforcing plate fixing opening, the position of the reinforcing plate can be easily fixed, and thus, the welding of the reinforcing plate and the flexible circuit board can be easily implemented.

In addition, openings and protrusions corresponding to each other are formed in the flexible circuit board and the middle plate member to prevent the middle plate member from being displaced on the lower plate member, and by adding means for fastening the middle plate member and the lower plate member to each other, The position of the fastened middle plate member can be fixed reliably.

While the present invention has been described with reference to the exemplary embodiments and the drawings, it is to be understood that the technical scope of the present invention is not limited to these embodiments and that various changes and modifications will be apparent to those skilled in the art. Various modifications and variations may be made without departing from the scope of the appended claims.

Description of the Related Art [0002]
10: lower plate member
12: Reinforcement plate shape protrusion
14: Bottom plate fastening part
20: middle plate member
22: reinforcing plate fixing opening
24: location fixing
26: Middle plate fastening part
30: elastic member
40: top plate member
R: Reinforcement plate
F: Flexible Circuit Board
F1: Fixed position opening

Claims (7)

A lower plate member provided in a shape corresponding to that of the reinforcing plate and having one or more reinforcing plate shape protrusions protruding from the reinforcing plate;
A middle plate member coupled to an upper portion of the lower plate member and having one or more reinforcing plate fixing openings formed in a shape corresponding to the reinforcing plate shape protrusion to fix a position of the reinforcing plate mounted on the reinforcing plate shape protrusion; And
An elastic member disposed on a surface of the lower plate member at a predetermined interval and maintaining a distance between the lower plate member and the middle plate member and having a predetermined elastic force; Including;
The lower plate member and the middle plate member is provided of an aluminum material,
An oxide film layer is formed on the surface of the middle plate member,
The oxide film layer is formed by anodizing the surface of the middle plate member,
The oxide film layer has a thickness of 10 micrometers to 35 micrometers,
The reinforcing plate fixing opening is provided in a shape corresponding to the reinforcing plate shape projection, and is formed with a larger area than the area of the reinforcing plate shape projection on the basis of the flat cross section,
The area of the reinforcing plate fixing opening on the basis of the plane is formed to 1.1 to 1.2 times the area of the reinforcing plate shaped projections,
At least one of the upper edges of the middle plate member is formed with a position fixing portion protruding upward, the flexible circuit board is formed with a position fixing opening corresponding to the position fixing portion,
The middle plate member is provided with a middle plate fastening portion for fastening with the lower plate member, and the lower plate member is provided with a lower plate fastening portion for fastening with the middle plate member due to mutual fastening of the middle plate fastening portion and the lower plate fastening portion. Characterized in that fixed
Reinforcement plate welding jig for flexible circuit board. The method of claim 1,
The reinforcing plate fixing opening is characterized in that formed by a wire cutting process
Reinforcement plate welding jig for flexible circuit board. The method of claim 1,
The reinforcing plate fixing opening is characterized in that it is formed to be tapered (taper) from the bottom to the top based on the front end surface
Reinforcement plate welding jig for flexible circuit board. The method of claim 1,
The middle plate member is provided as a set of middle plate portion divided into two or more, characterized in that the position fixing portion is formed in each of the divided middle plate portion
Reinforcement plate welding jig for flexible circuit board. 5. The method of claim 4,
The divided middle plate portion is displaced from the lower plate member by a distance between the reinforcing plate shape protrusion and the reinforcing plate fixing opening when the lower plate member is coupled, and the position fixing opening of the flexible circuit board and the position fixing portion of the middle plate are correspondingly coupled to each other. Characterized in that the position is fixed on the lower plate member
Reinforcement plate welding jig for flexible circuit board. The method of claim 1,
The middle plate fastening portion is provided in the form of a hook is provided to be rotatable, the lower plate fastening portion is characterized in that it is provided in the form of a groove into which the middle plate fastening portion provided in the hook form is inserted.
Reinforcement plate welding jig for flexible circuit board. The method of claim 1,
The middle plate fastening portion is provided in the form of an opening formed at one or more edges of the middle plate member, the lower plate fastening portion is characterized in that it is provided in the form of protrusions corresponding to the middle plate fastening portion provided in the opening form.
Reinforcement plate welding jig for flexible circuit board.

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