JPH08166424A - Automatic handler for tab with punch unit - Google Patents

Abstract

PURPOSE: To obtain an automatic handier for TAB with punch unit in which the positional accuracy of punching is enhanced. CONSTITUTION: Sprockets 1A and 1B rotate synchronously to feed a TAB tape 11 while indexing. A base 2 is fixed with sprockets 1A and 1B to the opposite side parts thereof and moves on the plane of traveling path of the TAB tape 11. A pusher 3 is interposed between the sprockets 1A and 1B and in order to bring the TAB tape 11 into contact with a probe card. Punch units 4A and 4B are interposed between a sprocket 1B and the pusher 3. When the base 2 moves up and down, the punch units 4A and 4B are also moved up and down thus suppressing incorrect positioning due to movement of the TAB tape 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a TAB auto handler with a punch unit. In particular,
This is a mechanism around the measuring unit in which a punch unit for punching an identification hole in the TAB tape by the punch is arranged.

[0002]

2. Description of the Related Art Next, the structure of a conventional TAB auto handler will be described with reference to FIG. 1A and 1B of FIG.
Is a sprocket, 3 is a pusher, 5 is a base, 6A and 6
B is a punch unit. Also, 7A and 7B are tension pulleys, 8A and 8B are paired pulleys, and 8C and 8D.
Is a pair of pulleys, and 11 is a TAB tape.

In the sprockets 1A and 1B shown in FIG. 2, the centers of rotation are located on both wings of the base 5. The TAB tape 11 is index-fed by the sprocket 1A and the sprocket 1B rotating in synchronization with each other. The pusher 3 is disposed between the sprockets 1A and 1B, holds the TAB tape 11 and descends.

A probe card (not shown) is arranged below the base 5 in FIG. The base 5 moves the pusher 3 and the sprockets 1A and 1B as a unit to move on the plane of the traveling path of the TAB tape 11. The base 5 moves to align the TAB tape 11 with the probe card. Next, the pusher 3 descends and holds the TAB tape 11. Next, the base 5 is lowered and brought into contact with the probe card, and the TAB is measured. When the TAB is measured, the base 5 is raised and the next TAB is indexed.

A tension pulley 7A is arranged in front of the sprocket 1A, and a tension pulley 7B is arranged in rear of the sprocket 1B. Tension pulley 7A
A pair of pulleys 8A and 8B is arranged in the front stage of the above, and a pair of pulleys 8C and 8D is arranged in the rear stage of the tension pulley 7B.

The rotation centers of the pulleys 8A and 8B and the pulleys 8C and 8D are fixed. The first traveling path of the TAB tape 11 guided by the pulleys 8A and 8B, and the pulley 8
The second running path of the TAB tape 11 guided by C · 8D has the same height. The first and second traveling paths are located higher than the traveling path of the TAB tape 11 formed of the sprockets 1A and 1B.

The tension pulley 7A is a pulley 8A, 8B.
And the sprocket 1A. The tension pulley 7B is arranged between the sprocket 1B and the pulleys 8C and 8D. Tension pulleys 7A and 7B are circular grooves and TA
A force for guiding the B tape 11 and pushing up the slope of the TAB tape 11 is urged.

In FIG. 2, a supply sprocket (not shown) meshes with the TAB tape 11 in front of the pulleys 8A and 8B. A housing sprocket (not shown) meshes with the TAB tape 11 at the rear stage of the pulleys 8C and 8D. When the base 5 descends, sprockets 1A-1
Since B, the supply sprocket, and the storage sprocket hold the rotation, the tension pulleys 7A and 7B prevent the TAB tape 11 from being applied with excessive tension by being pushed down.

The punch units 6A and 6B are pulleys 8C and
It is arranged between 8D and the accommodation sprocket. The punch unit 6A is a marking punch unit that punches a punch hole for identification in the corresponding TAB according to the measurement result of the TAB, and the punch unit 6B is a reject punch unit that punches the IC chip of the corresponding TAB according to the measurement result of the TAB. The positions of the marking punch unit and the reject punch unit can be exchanged before and after.

[0010]

In FIG. 2, the punch units 6A and 6B are arranged at the rear stage of the pulleys 8C and 8D. If the TAB tape 11 moves a small amount in the direction opposite to the traveling direction when the base 5 descends or the descending amount of the tension pulley 7B is unstable, the punch unit 6A.
In 6B, it may not be possible to punch holes at predetermined positions on the TAB. Further, the phenomenon may be caused by distortion of the TAB tape 11 or the like. In particular, as the packaging density of TAB becomes higher, it is required to punch holes at more accurate positions.

According to the present invention, a first punch unit and a second punch unit are arranged between a first sprocket and a second sprocket that run the TAB tape by rotating the TAB tape in synchronization. TAB auto with a punch unit that improves the punching position accuracy of the punch hole by making the sprocket, the second sprocket, the first punch unit, the second punch unit, and the pusher integrally move up and down. The purpose is to provide a handler.

[0012]

To achieve this object, the present invention provides a sprocket 1A and a sprocket 1B.
In the TAB auto handler that index-feeds the TAB tape 11 by rotating in synchronization with each other, the sprocket 1A and the sprocket 1B are mounted on both sides, and guided by the sprocket 1A and the sprocket 1B.
It is arranged between the sprocket 1A and the sprocket 1B and the base 2 which moves in the plane of the traveling path of the AB tape 11, and the pusher 3 which brings the TAB tape 11 into contact with the probe card by pressing it down. , A punch unit 4A attached to the base 2 and punching a first punch hole in the TAB tape 11.

Further, the TAB tape 1 is arranged between the sprocket 1B and the punch unit 4A and attached to the base 2.
1 and a punch unit 4B for punching a second punch hole.

[0014]

According to the above construction, the punch unit 4 is attached to the base 2 on which the sprocket 1A and the sprocket 1B are mounted.
Attach A and 4B. Since the punch units 4A and 4B are arranged in the latter stage of the pusher 3, when the base 2 moves up and down, the punch units 4A and 4B move up and down together.
Poor positioning due to B tape movement can be reduced.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the structure of the TAB auto handler according to the present invention will be described with reference to the embodiment of FIG. In FIG. 1, 2 is a base, 4A and 4B are punch units, and the others are the same as in FIG. That is, FIG. 1 is the base 5 of FIG.
Punch unit 6A using the wider base 2
The punch units 4A and 4B having the same function as 6B are rearranged on the base 2 from the rear stage of the pulleys 8C and 8D.

The base 2 in FIG. 1 has sprockets 1A and 1B.
Install on both sides. The centers of rotation of the sprockets 1A and 1B are located on both wings of the base 2. When the sprocket 1A and the sprocket 1B rotate in synchronization, the TAB
The tape 11 is index-fed. The pusher 3 is arranged between the sprocket 1A and the sprocket 1B, and
Hold the tape 11 and descend.

In FIG. 1, the pusher 3 and the sprocket 1B are shown.
The punch units 4A and 4B are arranged in between, and the punch units 4A and 4B are attached to the base 2.

A probe card (not shown) is arranged below the pusher 3 of the base 2 in FIG. The base 2 includes a pusher 3, a sprocket 1A and 1B, and a punch unit 4
A and 4B are moved together and moved on the plane of the traveling path of the TAB tape 11. The base 2 moves to align the TAB tape 11 with the probe card. Next, the pusher 3 descends and holds the TAB tape 11. Next, the base 2 is lowered and brought into contact with the probe card, and the TAB is measured. When the TAB is measured, the base 2 is raised and the next TAB is indexed.

The measured TAB1 is the sprocket 1A.
-It is transported by 1B and moved to punch units 4A and 4B. The punch unit 4A is a marking punch unit that punches a punch hole for identification in the corresponding TAB according to the measurement result of the TAB, and the punch unit 4B is a reject punch unit that punches the IC chip of the corresponding TAB according to the measurement result of the TAB. The positions of the marking punch unit and the reject punch unit can be exchanged before and after. Also, depending on the specifications,
Only one of the punch units may be used.

Tension pulleys 7A and 7B in FIG.
The pulleys 8A and 8B and the pulleys 8A and 8B have the same functions and configurations as those in FIG. Also,
Also in FIG. 1, a supply sprocket (not shown) meshes with the TAB tape 11 in the front stage of the pulleys 8A and 8B, and a storage sprocket (not shown) meshes with the TAB tape 11 in the rear stage of the pulleys 8C and 8D. When the base 2 descends, the sprockets 1A and 1B and the supply sprocket and the accommodation sprocket keep the rotation, so that the tension pulleys 7A and 7B are pushed down to prevent the TAB tape 11 from being subjected to excessive tension.

In FIG. 1, since the punch units 4A and 4B move up and down together with the base 2, as shown in FIG.
The B tape 11 does not move a minute amount in the direction opposite to the running direction. Also, the punch units 4A and 4B have pushers 3
Since it is adjacent to, it is possible to eliminate factors such as distortion of the TAB tape 11.

[0022]

According to the present invention, the first punch unit and the second punch unit are arranged between the first sprocket and the second sprocket that run the TAB tape by rotating the TAB tape in synchronization. First sprocket, second sprocket, first punch unit, second
The punch unit and pusher are integrated and can be raised and lowered.

According to the present invention, the positional accuracy of the TAB with respect to the punch is limited only to the positioning accuracy of the sprocket, and the cause of poor positioning due to the guide mechanism such as the tension guide is eliminated. Accuracy is improved. Future narrow pitch pattern T
It is possible to punch holes accurately in AB as well.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a TAB auto handler according to the present invention.

FIG. 2 is a configuration diagram of a conventional TAB auto handler.

[Explanation of symbols]

 1A Sprocket 1B Sprocket 2 Base 3 Pusher 4A Punch Unit 4B Punch Unit 7A Tension Pulley 7B Tension Pulley 8A Pulley 8B Pulley 8C Pulley 8D Pulley 11 TAB Tape

Claims (2)

[Claims] 1. A TAB tape in which a first sprocket (1A) and a second sprocket (1B) rotate in synchronization with each other.
In the TAB auto-handler that feeds (11) by index, attach the first sprocket (1A) and the second sprocket (1B) to both sides, and use the first sprocket (1A) and the second sprocket (1B). Place the TAB tape (11) between the first sprocket (1A) and the second sprocket (1B) that moves on the plane of the traveling TAB tape (11) and press the TAB tape (11). It is placed between the pusher (3) that contacts the probe card and the second sprocket (1B) and pusher (3), attached to the base (2), and the first punched hole is formed in the TAB tape (11). An automatic handler for a TAB with a punch unit, which is equipped with the punch unit (4A). 2. Arranged between the second sprocket (1B) and the first punch unit (4A) and attached to the base (2), the TA
The TAB automatic handler with a punch unit according to claim 1, further comprising a second punch unit (4B) for punching a second punch hole in the B tape (11).