JP2009242113A - Droplet discharge device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily cope with a change of workpiece width without lowering the degree of cleanliness. <P>SOLUTION: A roller 61 is provided for holding a strip workpiece 80 in the width direction. The roller 61 has a pair of holders 65 divided in the width direction to respectively hold the workpiece 80. Each of the pair of holders 65 has a plurality of divided bodies 65A that can be separated and integrated; urging members 71 for urging the plurality of divided bodies 65A in the integrating direction; and positioning parts for positioning the holder 65 in the width direction when the plurality of divided bodies 65A are integrated. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a transport apparatus, a transport method, and a drawing apparatus.

  For example, various wirings are formed in a COF (Chip On Film) used in a liquid crystal display device, but in recent years, the use of a liquid ejection method has been increasing as a metal wiring forming technique. In general, a coating technique based on a liquid discharge method discharges a liquid material containing a metal material as droplets from a plurality of nozzles provided in a liquid discharge head while relatively moving the substrate and the liquid discharge head. The film is drawn and formed by repeatedly depositing droplets on the substrate, and there is an advantage that the liquid material is less wasted and an arbitrary pattern can be applied directly without using means such as photolithography. is doing.

In this type of wiring formation, a metal wiring may be formed by discharging droplets containing a metal material by a droplet discharge method onto a tape-like (strip-shaped) film on which wiring has been formed in the previous process.
This tape-like film is continuously fed by a roller having a flange that holds the film from both sides in the width direction. However, since the width of the film varies depending on the model, it is necessary to correspond to the holding width by the flange also in the roller. is there.

  Therefore, Patent Document 1 discloses a technique for adjusting a holding width of a belt-shaped member by a guide roller using a link mechanism.

Japanese Utility Model Publication No. 5-26351

However, the following problems exist in the conventional technology as described above.
Since the link mechanism is used for adjusting the holding width, there arises a problem that the apparatus becomes large.
In addition, it is possible to divide the roller in the width direction of the film (tape) (axial direction of the rotating shaft) and fix it to the rotating shaft at a position corresponding to the film width using a mounting screw or plunger. In addition, a tool such as a wrench is required to attach and detach the mounting screw, resulting in a problem that the work becomes complicated.

Further, the fixing of the roller by the plunger causes a problem in cleanliness because the plunger is in sliding contact with the rotating shaft.
Furthermore, there is a problem that it is difficult to secure a sufficient positioning accuracy with respect to the film when the roller is fixed using a mounting screw or a plunger.

  The present invention has been made in consideration of the above points, and an object of the present invention is to provide a transport apparatus, a transport method, and a drawing apparatus that can easily cope with a change in the work width without reducing the cleanliness. .

In order to achieve the above object, the present invention employs the following configuration.
The conveying device of the present invention is a conveying device provided with a roller that holds a belt-like workpiece in the width direction, and the roller has a pair of holding bodies that are divided in the width direction and each hold the workpiece. Each of the pair of holding bodies includes a plurality of split bodies that can be separated and integrated, a biasing member that biases the plurality of split bodies in a direction to integrate the plurality of split bodies, and the plurality of split bodies. And a positioning portion for positioning the holding body in the width direction.

Therefore, in the conveyance device of the present invention, it is possible to release the positioning of the holding body in the width direction of the work by dividing the divided body against the urging force of the urging member, and according to the width of the work. By integrating the divided bodies at the different positions, the pair of holding bodies can be positioned at the holding positions of the workpieces.
Therefore, in the present invention, it is possible to easily cope with the change of the workpiece width without using a tool or the like. Further, in the present invention, since it is sufficient to apply a force in the direction in which the divided body is separated against the urging force of the urging member, sliding contact with the plunger or the like does not occur, and a reduction in cleanliness can be prevented.

Moreover, in the conveying apparatus of this invention, it can employ | adopt suitably the structure which has a shaft body by which the said roller was penetrated and the groove part was formed in the outer peripheral surface, and the said positioning part fits into the said groove part. .
Further, in this configuration, when the divided body is integrated, the holding body is separated from the urging force of the urging member, with the protruding portion fitted into the groove portion. Sometimes, a configuration in which the fitting between the protrusion and the groove is released can be employed.
Therefore, in this invention, when a division body is integrated, a protrusion of a holding body fits into the groove part of a shaft body, and a holding body is positioned with respect to a shaft body.
As this groove part, the structure provided with two or more according to the width | variety of the said workpiece | work is suitable.
Therefore, in the present invention, the work can be held in the width direction by the holding body by fitting the protrusion of the holding body into the groove corresponding to the width of the work to be changed.

In the present invention, a configuration in which the groove and the protrusion are fitted on a fitting surface intersecting each other is also preferable.
Therefore, in the present invention, since the shaft body and the holding body are positioned by so-called taper alignment, the holding body can be attached to the shaft body without rattling, and the work can be held accurately. It becomes possible.
In this configuration, it is preferable that at least one of the fitting surfaces is provided substantially orthogonal to the width direction.
Thereby, in this invention, the position of the width direction of the workpiece | work of a holding body can be prescribed | regulated by the fitting surface substantially orthogonal to the said width direction.

On the other hand, the drawing apparatus of the present invention is a drawing apparatus comprising a transport device that transports a strip-shaped workpiece, and a discharge head that ejects and draws droplets on the transported workpiece. As described above, the conveying device described above is used.
Therefore, since the drawing apparatus of the present invention includes the above-described transport device, it is possible to provide a drawing apparatus that can easily cope with a change in the workpiece width and can prevent a decrease in cleanness.

  Further, the transport method of the present invention is a method of transporting the belt-shaped work in the width direction by a roller through which the shaft body is inserted, and the roller is divided in the width direction, each of which holds the work. A plurality of holding bodies, each of the pair of holding bodies being separable and integrated, biased in the direction of integration, and positioned in the width direction when fitted with the shaft body A divided body, dividing the plurality of divided bodies against an urging force and releasing the fitting with the shaft body; and the divided bodies at a position corresponding to the workpiece. And a step of fitting the shaft body.

  Therefore, in the present invention, the plurality of divided bodies are divided against the biased force, and after the fitting with the shaft body is released, the divided body is fitted with the shaft body at a position corresponding to the width of the workpiece. Accordingly, it is possible to easily cope with the change of the workpiece width without using a tool or the like. Further, in the present invention, it is only necessary to apply a force in the direction of separating the divided body against the urging force, so that sliding contact with a plunger or the like does not occur, and a decrease in cleanliness can be prevented.

It is a top view of the drawing apparatus which concerns on this invention. It is an external appearance perspective view of a suction device and an alignment unit. It is a figure which shows the structure and operation | movement of a tape pressing device. It is an external appearance perspective view of the flange body inserted in a guide shaft. It is a partial cross section figure in FIG. It is a top view of a flange body. It is side surface sectional drawing of a droplet discharge head. It is a partial top view of various TAB tapes. It is a disassembled perspective view of a liquid crystal display device. It is a figure which shows the example of an electronic device. It is sectional drawing which shows another fitting form of the protrusion part of a flange body, and the groove part of a guide shaft.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a transport apparatus, a transport method, and a drawing apparatus according to the present invention will be described below with reference to FIGS. In each drawing used for the following description, the scale of each member is appropriately changed to make each member a recognizable size.

FIG. 1 is a plan view of the drawing apparatus 1.
The drawing device 1 draws and forms a pattern such as wiring on a strip-shaped tape (work) 80 sent along the Y direction. The drawing device 1 sucks and holds the tape 80, and above the suction device. A pair of frames 20 provided extending in the X direction, a drawing unit 22, an alignment unit 24, and a UV irradiation unit 26 that are installed on the frame 20 and are independently driven in the X direction by a driving device such as a linear motor (not shown). As shown in FIG. 2, a feeding roller 84 that feeds the tape 80 via a guide roller (roller) 61 and a winding roller 85 that winds the tape 80 via a guide roller 62 are mainly configured.
The guide rollers 61 and 62, the feeding roller 84, and the take-up roller 85 constitute a conveying device according to the present invention.
The tape 80 is stretched between the guide rollers 61 and 62 and is placed on the upper surface of the suction device 50 between them.

FIG. 2 is an external perspective view of the suction device 50 and the alignment unit 24.
The adsorption device 50 is configured by disposing (embedding) the porous plate 51 on the surface of the surface plate 60, and can adsorb the tape 80 described above on the surface of the porous plate 51. The suction position of the 80 tape is the central portion in the width direction of the porous plate 51, and the center line of the tape is set to a position where it matches the center line of the porous plate 51. As a result, it is possible to minimize the changeover of the drawing apparatus accompanying the change in the tape size.

  The porous plate 51 is composed of a resin sintered material obtained by sintering a resin material. Sinter molding is a technique in which raw material powder is filled in a mold and heated, and the surface layers of the raw material powder are fused (sintered) to form while leaving the space between the powders. As the raw material powder, polyethylene (PE), polypropylene (PP), polystyrene (PS), polyvinyl chloride (PVC), polycarbonate (PC), polyamide (PA), acrylic resin (PMMA), fluororesin (PVDF, PTFE) It is possible to employ a thermoplastic resin material such as. Thus, by comprising the porous board 51 with a resin material, damage to the tape adsorbed on the surface of the porous board 51 can be prevented.

  A negative pressure suction device (not shown) is connected to the porous plate 51, and the negative pressure is supplied almost uniformly over the entire surface of the porous plate 51. Therefore, even a plurality of types of tapes having different widths can be sucked and held uniformly.

  Further, the suction device 50 is fixed to the intermediate plate 18 disposed below the suction device 50. The intermediate plate 18 can be rotated by the motor 16 in the θz direction (rotation direction around the z axis). The motor 16 is fixed to the slider 14. The slider 14 can move on the surface of the base plate 12 in the Y direction. Accordingly, the suction device 50 can move in the θz direction and the Y direction with respect to the base plate 12.

  The alignment unit 24 includes a moving frame 31 that moves along the frame 20 described above, a camera (imaging device) 32 mounted on the moving frame 31, a camera (second imaging device) 33, and a tape pressing device 34. . The cameras 32 and 33 are constituted by a CCD camera or the like, measure marks (described later) formed on the tape 80, and output the marks to the control unit 99. The control unit 99 controls driving of the motor 16, the slider 14, the feeding roller 84, and the take-up roller 85 based on the measurement results of the cameras 32 and 33.

  The camera 32 is integrally fixed to the moving frame 31, but the camera 33 is mounted on a slider 35 that is movable in the Y-axis direction with respect to the moving frame 31, thereby controlling the control unit. Under the control of 99, the camera 32 moves in the Y-axis direction.

3 is a right side view in FIG.
The tape pressing device 34 includes a pair of pressing portions 36 that extend in the Y-axis direction, and a support frame 38 that extends in the Y-axis direction and supports one (−Y side) of the pressing portion 36 from above via a support column 37. The support frame 39 has a support frame 40 that supports the other side (+ Y side) of the pressing portion 36 from above and supports the support frame 38 so as to be extendable in the Y-axis direction.

The support frame 38 is configured to move in the Y-axis direction with respect to the support frame 40 by a drive device such as a linear motion motor that is driven by the control of the control unit 99.
The support frame 40 is configured to move in the Z-axis direction along a guide frame 41 provided on the moving frame 31 so as to extend in the Z direction by a driving device such as a linear motor driven by the control of the control unit 99. Yes.

Returning to FIG. 1, the guide rollers 61 and 62 are formed of a resin material such as polypropylene (PP), and extend in the X-axis direction and rotate around an axis parallel to the X-axis (shaft bodies) 63 and 64. Is formed by a pair of flange bodies (holding bodies) 65 and 65 and a pair of flange bodies (holding bodies) 66 and 66 which are divided and provided in the width direction (X-axis direction) of the tape 80. .
In addition, since the flange bodies 65 and 66 have the same structure, only the flange body 65 is demonstrated below.

4 is an external perspective view of the flange bodies 65 and 65 inserted through the guide shaft 63, FIG. 5 is a partial cross-sectional view, and FIG. 6 is a plan view of the flange body 65.
Each flange body 65 is formed in a cylindrical shape that fits on the guide shaft 63 on the inner peripheral surface, and a cylinder that supports the back surface of the tape 80 (the surface opposite to the surface drawn with droplets) on the outer peripheral surface. It has a portion 67 and a flange portion 68 that holds the side edges of the tape 80 in the width direction. Each flange body 65 is composed of divided bodies 65A and 65A which are divided into two along the diameter direction so as to be separated and integrated.

Further, each flange body 65 is provided with a groove portion 69 extending orthogonally to each joint surface between the divided bodies 65A so as to extend across the pair of divided bodies 65A. Post members 70 are fixed to both ends of each groove 69 by press fitting or the like. End portions of tension springs (biasing members) 71 are engaged with the post members 70, respectively. Each tension spring 71 is biased in a direction in which the post members 70 engaged at the end approach each other, that is, in a direction in which the pair of divided bodies 65A approach and integrate.
Moreover, as shown in FIG.5 and FIG.6, each division body 65A is provided with the protrusion part 72 which protrudes perpendicularly | vertically from the internal peripheral surface at substantially the same height as a positioning part.

On the outer peripheral surface of the guide shaft 63, a plurality of (here, three for each divided body 65A, a total of six) groove portions 73A to 73C that can be fitted to the protrusions 72 of the flange body 65 are provided around the axis ( (In FIG. 5, only the groove portions 73A to 73C corresponding to the right flange body 65 and the groove portions 73B and 73C corresponding to the left flange body 65 are shown in FIG. 5).
The groove portions 73 </ b> A to 73 </ b> C are formed at positions where the distance L between the opposing flange portions 68 becomes a predetermined width according to the type of the tape 80 when the protrusion 72 of the flange body 65 is fitted.
In addition, since the protrusion part 72 of the flange body 65 is provided to the joint surface vicinity of each division body 65A, since the stroke for removing from the groove parts 73A-73C (releasing fitting) becomes large, each division body It is provided only at the center of 65A.

  Returning to FIG. 1, the drawing unit 22 includes a droplet discharge head (discharge head) 90. FIG. 7 is a side sectional view of the droplet discharge head. The ejection head 90 mainly includes a head main body 90A, a nozzle plate 92 mounted on one surface of the head main body 90A, and a piezo element 98 mounted on the other surface of the head main body 90A.

  A plurality of nozzles 91 for discharging droplets are arranged in an array on the nozzle plate 92 that forms the ink discharge surface. The head body 90 </ b> A is formed with a plurality of pressure chambers 93 that communicate with the nozzles 91. Each pressure chamber 93 is connected to a reservoir 95, and the reservoir 95 is connected to an ink inlet 96. The ink 9 is supplied from the ink introduction port 96 through the reservoir 95 to each pressure chamber 93. On the other hand, a flexible diaphragm 94 is attached to the upper end surface of the head main body 90A. Piezo elements 98 are provided on opposite sides of the pressure chambers 93 with the diaphragm 94 interposed therebetween. The piezo element 98 is obtained by sandwiching a piezoelectric material such as PZT between electrodes. The electrode is connected to the control unit 99.

  When a driving voltage is applied from the control unit 99 to the piezo element 98, the piezo element 98 is expanded or contracted. When the piezoelectric element 98 contracts and deforms, the pressure in the pressure chamber 93 decreases, and the ink 9 flows from the reservoir 95 into the pressure chamber 93. Further, when the piezo element 98 is expanded and deformed, the pressure in the pressure chamber 93 is increased, and the droplet of the ink 9 is ejected from the nozzle 91. The droplet discharge conditions can be controlled by controlling the driving voltage applied to the piezo element 98.

  In addition to the above-described piezo method for changing the pressure in the pressure chamber by deformation of the piezo element, a method for changing the pressure in the pressure chamber by heating the ink to generate bubbles (bubbles), etc. Various known techniques can be applied. Of these, the piezo method is superior in that it does not adversely affect the composition of the material because the ink is not heated.

The UV irradiation unit 26 includes a UV irradiation device 27 such as a UV lamp.
The drawing apparatus 1 of the present embodiment is configured as described above.

Next, a description will be given of the tape 80 on which a pattern is formed by discharging droplets from the drawing apparatus 1.
FIG. 8 is a partial plan view of various tapes (TAB tape; work) 81-83. Sprocket holes 86 for winding the tape are continuously formed at both ends in the width direction of the tape 81, and a work area 88 for forming a semiconductor device is continuously formed at the center in the width direction of the tape 81. . This work area 88 is set for each device, for example.

The drawing device 1 draws and forms a metal wiring pattern in the work area 88, and the suction device of this embodiment sucks and holds a tape on which the metal wiring pattern is to be drawn.
There are a plurality of types of tapes 81, 82, and 83 having different width dimensions corresponding to the size of the work area 88 described above and the number of work areas 88 arranged in the width direction.

  For example, three alignment marks AM that are observed when the tapes 81 to 83 are positioned are formed in each work area 88 of each tape 81 to 83. The alignment mark AM has various shapes depending on the measurement method or the like. Here, the alignment mark AM is a circular mark and is illustrated as being arranged at three corners of the rectangular work area 88.

Next, the usage method of said guide roller 61 (62) is demonstrated.
When attaching the flange body 65 to the guide shaft 63, first, the guide shaft 63 is sandwiched between the pair of divided bodies 65A in a state where the tension spring 71 is not attached.
At this time, the protrusion 72 of the flange body 65 is fitted into the groove portions 73A to 73C corresponding to the width of the tape 80 to be used.

  Next, the tension spring 71 is inserted into the groove 69 of each divided body 65 </ b> A, and the tension spring 71 is engaged with the post member 70. As a result, the urging force of the tension spring 71 acts in the direction in which the divided body 65A is integrated, and the flange body 65 has the X axis on the guide shaft 63 with the distance L between the flange portions 68 set to the width of the tape 80. Positioned and mounted in the direction.

Further, when the width of the tape 80 is changed due to a model change or the like, the divided bodies 65A and 65A are pulled in the direction of separating (separating) against the urging force of the tension spring 71.
Then, when the divided body 65A is separated to a position where the fitting between the protrusion 72 of the flange body 65 and the groove portion (any of 73A to 73C) of the guide shaft 63 is released, the divided body 65A is moved in the X-axis direction. The protrusion 72 of the flange body 65 is fitted into a groove (for example, 73B) corresponding to the width of the tape to be changed.
When the tension to the split body 65A is released, the flange body 65 is moved to the guide shaft 63 by the urging force of the tension spring 71 and the guide shaft 63 is set to the X-axis with the distance L between the flange portions 68 being changed. Positioned and mounted in the direction.

Next, the usage method of the drawing apparatus 1 mentioned above is demonstrated.
Here, description will be made assuming that the tape 81 described above is used.
Further, in the present embodiment, drawing processing is performed collectively on a work area 88 ′ composed of four work areas 88, and an alignment mark AM1 located on one end side (+ Y side) in the work area 88 ′ The tape 81 is positioned by measuring an alignment mark (second mark) AM2 located on the other end side (−Y side) and in the same row (same X position) as the alignment mark AM1.

First, the tape 80 (here, the tape 81) is stretched between the feeding roller 84 and the take-up roller 85 shown in FIG. 2, and the tape 81 is placed on the surface of the suction device 50 (the porous plate 51) disposed therebetween. Is placed.
Next, when the drawing unit 22 or the UV irradiation unit 26 is at a position facing the suction device 50, the unit is retracted in advance from the position facing the suction device 50.

Subsequently, the alignment unit 24 is moved along the frame 20 and positioned at a position facing the suction device 50 as shown in FIG.
At this time, the position of the moving frame 31 in the X direction is adjusted so that the alignment mark AM1 is positioned in the measurement range of the camera 32. Further, since the relative positional relationship between the alignment marks AM1 and AM2 is known, the camera 33 is moved in the Y-axis direction via the slider 35 by a distance corresponding to the relative positional relationship.

Next, the support frame 40 is lowered along the guide frame 41 to bring the pressing portion 36 into contact with the tape 81 as shown in FIG. At this time, the pressing portion 36 is adjusted so as to contact the side edge in the width direction of the tape 81 by moving the support frame 38 in the X-axis direction with respect to the support frame 40 in advance.
Thereafter, the negative pressure suction device is operated to adsorb and hold the tape 81 on the surface of the porous plate 51. Since both sides of the tape 81 are pressed by the pressing portion 36, even when the tape warps or bends, the tape 81 is corrected and is smoothly held by suction on the surface of the porous plate 51 without causing floating or the like. .

  When the tape 81 is sucked and held by the suction device 50, the camera 32 captures and measures the alignment mark AM1, and the camera 33 captures and measures the alignment mark AM2. From these photographing results, the control unit 99 calculates the current position of the work area of the tape 81, and further calculates the offset amount from the predetermined position. Based on the calculation result, the slider 14 and the motor 16 are driven to move the suction device 50 in the Y direction and the θz direction, and the tape 81 sucked on the surface of the suction device 50 (with respect to the droplet discharge head 90). ) Align. The alignment of the tape 81 in the X direction is performed by adjusting the movement amount of the drawing unit 22.

  When the alignment of the tape 81 is completed, the alignment unit 24 is moved along the frame 20 to be retracted from the position facing the suction device 50 (that is, the tape 81), and the drawing unit 22 is moved in the X direction for suction. It arrange | positions in the position facing the apparatus 50. FIG. Then, by ejecting ink from the droplet ejection head 90, a predetermined pattern of metal wiring or the like is drawn in the work area 88 of the tape 81 so as to be connected to, for example, an already formed wiring pattern.

  When the droplet discharge process on the tape 81 is completed, the drawing unit 22 is moved along the frame 20 to be retracted from the position facing the suction device 50 (that is, the tape 81), and the UV irradiation unit 26 is moved in the X direction. And disposed at a position facing the suction device 50. Then, the ink discharged onto the tape 81 is dried by irradiating UV from the UV irradiation device 27.

  In addition, it is possible to laminate | stack the same kind or different kind of film by repeating the droplet discharge process and UV irradiation process mentioned above. When different types of films are stacked, a plurality of droplet discharge heads that discharge different inks may be mounted on one drawing unit, or a plurality of drawings that include droplet discharge heads that discharge different inks. A unit may be provided.

As described above, when the drawing process for the work area is completed, the tape 81 is sent to place the unprocessed work area on the surface of the suction device 50, and the above-described drawing process is repeated.
When the drawing process for all the work areas of the tape 81 is completed, the tape 81 is exchanged together with the feeding roller 84 and the take-up roller 85 shown in FIG. 2, and the flange body 65 is moved by the above-described procedure to create a new tape. Corresponds to the width.
Even when the tape size (width dimension) is changed, the center line in the width direction of the tape is made to coincide with the center line of the suction device 50. As a result, it is possible to minimize the changeover of the drawing apparatus accompanying the change in the tape size.

  As described above, in the transport device of this embodiment, after separating the divided body 65A against the urging force of the tension spring 71, the protrusions 72 are fitted into the groove portions 73A to 73C corresponding to the desired tape width. It is possible to cope with a change in the tape width by a simple operation of combining them, and the operation can be easily performed without using a tool. Further, in the present embodiment, since the sliding contact of the flange body 65 does not occur, the tape width can be changed without degrading the cleanliness.

Furthermore, in this embodiment, by increasing the number of grooves formed in the guide shaft 63, various tape widths can be easily accommodated, and versatility can be improved.
In addition, in the present embodiment, the groove portion to the guide shaft 63 is additionally formed, and the flange body 65 and the tension spring 71 are prepared so that the present invention can be easily applied to an existing conveyance device. Is possible.

In the present embodiment, since the tape 81 is adsorbed by the porous plate 51, it is possible to easily cope with various tapes having different widths, and the work associated with the change of the tape type can be made more efficient. it can.
In addition, in this embodiment, since the side edge of the tape 81 is pressed by the tape pressing device 34, even if the tape 81 is warped and bent, the porous plate is corrected without being lifted. The surface 51 can be sucked and held smoothly, the alignment mark can be measured with high accuracy, and the pattern can be formed at a predetermined position with high accuracy.

(Liquid crystal display device)
Next, a liquid crystal display device having a tape on which a wiring pattern is formed by the drawing device 1 will be described.
FIG. 9 is an exploded perspective view of a liquid crystal display device which is an electro-optical device.
A liquid crystal display device (electro-optical device) 101 shown in this figure is roughly provided with a color liquid crystal panel (electro-optical panel) 102 and a circuit board 103 connected to the liquid crystal panel 102. In addition, an illumination device such as a backlight and other incidental devices are attached to the liquid crystal panel 102 as necessary.

  The liquid crystal panel 102 includes a pair of substrates 105a and 105b bonded by a sealing material 104, and liquid crystal is sealed in a gap formed between the substrates 105b and 105b, a so-called cell gap. . These substrate 105a and substrate 105b are generally formed of a light-transmitting material such as glass or synthetic resin. A polarizing plate 106a and a polarizing plate 106b are attached to the outer surfaces of the substrate 105a and the substrate 105b. In FIG. 6, illustration of the polarizing plate 106b is omitted.

An electrode 107a is formed on the inner surface of the substrate 105a, and an electrode 107b is formed on the inner surface of the substrate 105b. These electrodes 107a and 107b are formed in stripes or letters, numbers, or other appropriate patterns. The electrodes 107a and 107b are made of a light-transmitting material such as ITO (Indium Tin Oxide).
The substrate 105a has an extended portion that protrudes from the substrate 105b, and a plurality of terminals 108 are formed on the extended portion. These terminals 108 are formed simultaneously with the electrode 107a when the electrode 107a is formed on the substrate 105a. Therefore, these terminals 108 are made of, for example, ITO. These terminals 108 include one that extends integrally from the electrode 107a and one that is connected to the electrode 107b via a conductive material (not shown).

  Note that a large number of actual electrodes 107a and 107b and terminals 108 are formed on the substrate 105a and the substrate 105b, respectively, with extremely narrow intervals. In FIG. 9, the structure of the liquid crystal panel 102 is easily understood. For this reason, the intervals are schematically shown in an enlarged manner, and only a few of them are illustrated, and other portions are omitted. Further, the connection state between the terminal 108 and the electrode 107a and the connection state between the terminal 108 and the electrode 107b are not shown in FIG.

In addition, a semiconductor element (semiconductor device) 100 as a liquid crystal driving IC is mounted on the circuit board 103 at a predetermined position on the wiring board (wiring) 109. The wiring substrate 109 is manufactured by patterning a metal film such as Cu formed on a flexible base substrate (substrate) 111 such as polyimide to form a wiring pattern 112.
Note that a large number of actual wiring patterns 112 are formed on the base substrate 111 with an extremely narrow interval. In FIG. 9, in order to facilitate understanding of the structure, the interval is enlarged and schematically illustrated. In addition, the structure is simplified and illustrated. Although not shown, a resistor, a capacitor, and other chip components may be mounted at predetermined positions other than the portion where the semiconductor element 100 is mounted.

In this embodiment, the circuit board 103 is manufactured by cutting the tape on which the pattern is formed by the drawing apparatus 1 described above for each device.
In the liquid crystal display device according to the present embodiment, since the circuit board 3 is manufactured using the drawing device 1 described above, a high-quality liquid crystal display device in which a wiring pattern is formed with high accuracy can be obtained.

(Electronics)
10A to 10C are diagrams illustrating an embodiment of an electronic apparatus having the liquid crystal display device described above.
FIG. 10A is a perspective view showing an example of a mobile phone. In FIG. 10A, reference numeral 1000 denotes a mobile phone main body (electronic device), and reference numeral 1001 denotes a display unit.
FIG. 10B is a perspective view illustrating an example of a wristwatch type electronic device. In FIG. 10B, reference numeral 1100 indicates a watch body (electronic device), and reference numeral 1101 indicates a display unit.
FIG. 10C is a perspective view showing an example of a portable information processing apparatus such as a word processor or a personal computer. In FIG. 10C, reference numeral 1200 denotes an information processing apparatus (electronic device), reference numeral 1202 denotes an input unit such as a keyboard, reference numeral 1204 denotes an information processing apparatus body, and reference numeral 1206 denotes a display unit.
Each of the electronic devices shown in FIGS. 10A to 10C includes a liquid crystal display device manufactured by using the drawing apparatus and the drawing method of the present invention, so that high-quality wiring pattern drawing accuracy is improved. It becomes an electronic device.

  In the above-described embodiment, a mobile phone, a wristwatch, and an information processing apparatus have been described as examples of electronic devices. However, the present invention is not limited to these, and a liquid crystal projector, a multimedia-compatible personal computer (PC), and an engineering workstation. (EWS), pagers, word processors, televisions, viewfinder type or monitor direct-view type video tape recorders, electronic notebooks, electronic desk calculators, car navigation devices, POS terminals, devices equipped with touch panels, etc. Is possible.

  As described above, the preferred embodiments according to the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the examples. Various shapes, combinations, and the like of the constituent members shown in the above-described examples are examples, and various modifications can be made based on design requirements and the like without departing from the gist of the present invention.

For example, in the above-described embodiment, after the tape 81 is pressed by the tape pressing device 34, the negative pressure suction device is operated and held on the surface of the porous plate 51. However, the reverse procedure may be used. .
In the above embodiment, the camera 33 is configured to be relatively movable with respect to the camera 32 by one axis in the Y-axis direction. However, the present invention is not limited to this, and two axes in the Y-axis direction and the X-axis direction are used. The configuration may be such that relative movement is possible.

Moreover, in the said embodiment, although it was set as the structure which the protrusion 72 fits with the groove parts 73A-73C of the guide shaft 63 in the surface orthogonal to the width direction of a tape, it is not limited to this, For example, FIG. As shown in a), the fitting surfaces 72a and 72a in the protrusion 72 and the fitting surfaces 73a and 73a in the groove portions 73A to 73C may intersect with each other so-called taper alignment. In this case, the flange body 65 can be attached to the guide shaft 63 without rattling, and the tape can be held with high accuracy.
Furthermore, as shown in FIG. 11 (b), there is a configuration in which the fitting surface is provided so as to be orthogonal to the tape width direction (tape holding direction), such as the left fitting surfaces 72b and 73b in the drawing. Is preferred. In this configuration, the flange body 65 can be attached without tapering by taper alignment, and the position of the flange body 65 in the tape width direction can be positioned with high accuracy by the fitting surfaces 72b and 73b. It becomes possible to hold the tape with high accuracy.

  AM, AM1 ... alignment mark (mark), AM2 ... alignment mark (second mark), CONT ... control device, 1 ... drawing device, 32 ... camera (imaging device), 33 ... camera (second imaging device), 50 ... Adsorption device, 51 ... porous plate, 61, 62 ... guide roller (roller), 63, 64 ... guide shaft (shaft body), 65 ... flange body (holding body), 71 ... tension spring (biasing member), 72 ... Projections (positioning parts), 72a, 73a ... fitting surfaces, 73A to 73C ... grooves, 80 to 83 ... tape (workpiece), 84 ... feeding roller, 85 ... winding roller, 90 ... droplet discharge head (discharge) head).

Claims (8)

A transport device provided with a roller for holding a belt-like workpiece in the width direction,
The roller has a pair of holding bodies that are divided in the width direction and each hold the workpiece,
Each of the pair of holding bodies includes a plurality of divided bodies that can be separated and integrated,
A biasing member that biases the plurality of divided bodies in a direction to be integrated;
And a positioning unit that positions the holding body in the width direction when the plurality of divided bodies are integrated. In the conveying apparatus of Claim 1,
The shaft is inserted through the roller and has a groove formed on the outer peripheral surface,
The said positioning part has a protrusion fitted to the said groove part, The conveying apparatus characterized by the above-mentioned. In the conveying apparatus of Claim 2,
A plurality of the groove portions are provided according to the width of the workpiece. In the conveying apparatus of Claim 2 or 3,
The holding body is configured such that when the divided body is integrated, the protrusion fits into the groove, and when the divided body is separated against the urging force of the urging member, A conveying device characterized in that the fitting with the groove is released. In the conveyance apparatus in any one of Claim 2 to 4,
The said groove part and the said protrusion are fitted by the fitting surface which mutually cross | intersects, The conveying apparatus characterized by the above-mentioned. In the conveyance apparatus of Claim 5,
At least one of the fitting surfaces is provided substantially perpendicular to the width direction. A drawing apparatus comprising: a conveying device that conveys a belt-shaped workpiece; and a discharge head that draws and draws droplets on the conveyed workpiece,
A drawing apparatus, wherein the conveying apparatus according to claim 1 is used as the conveying apparatus. A belt-like workpiece is held in the width direction and conveyed by a roller through which a shaft body is inserted.
The roller is divided in the width direction, and each comprises a pair of holding bodies that hold the workpiece,
Each of the pair of holding bodies is composed of a plurality of divided bodies that can be separated and integrated and are biased in the direction of integration, and positioned in the width direction when fitted to the shaft body,
Dividing the plurality of divided bodies against a biased force and releasing the fitting with the shaft body;
And a step of fitting the divided body into the shaft body at a position corresponding to the workpiece.

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