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H1

Wire Bonder (UTC-5000)

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装置編

Equipment

Problems at machine power-ON

The equipment does not start.

Possible causes

Are the cables and connectors connected correctly?

Actions to take

Check the power supply and whether any cables or connectors are disconnected, then restart the equipment. 
The operation panel does not work.

Possible causes

Are the cables connected to the operation panel?

Actions to take

Make sure that there are cables connecting the operation panel and the control board, and restart the equipment.
Origin search (OP Return) fails.

Possible causes

Is the "Drive ON failed" warning message displayed on the equipment?

Actions to take

Write down the comment, which is shown with the message, and contact us.

Possible causes

Has the fuse blown?

Actions to take

Check the fuse. If it has blown, replace it with a new one.
Equipment rear panel: F3 fuse (DRIVE)                      

Operation problems of each unit

The fan motor does not rotate.

Possible causes

Is the fan motor cable connected?

Actions to take

Make sure that the cables between the fan motor and the control board are connected correctly.
The wire clamper does not operate.

Possible causes

Is the wire clamper cable connected?

Actions to take

Make sure that the cables between the wire clamper and the control board are connected correctly.

Possible causes

Has the fuse blown?

Actions to take

Check the fuse. If it has blown, replace it with a new one.
Equipment rear panel: F10 fuse (CL)
A free air ball (FAB) cannot be created (spark failure).

Possible causes

Is the torch electrode in the correct position?

Actions to take

Check the torch electrode position by reading and following the relevant information in the Instruction Manual.
If the position is incorrect, adjust its mounting position.

Possible causes

Is the torch electrode contaminated?

Actions to take

Clean the torch electrode.

Possible causes

Is the torch cable disconnected?

Actions to take

Check the torch cable. If it is disconnected, connect it.
The heater temperature does not increase.

Possible causes

Is the heater cable connected?

Actions to take

Make sure that the cables between the heater and the terminal block are connected correctly.

Possible causes

Has the fuse blown?

Actions to take

Check the fuse of each heater. If any have blown, replace it with a new one.
Equipment rear panel - F4 fuse (ALL HEATER)
Inside of equipment - F5 fuse (PRE HEATER)
Inside of equipment - F6 fuse (MAIN HEATER)
Inside of equipment - F7 fuse (AFTER HEATER)
The pulse motor does not run.

Possible causes

Is the pulse motor cable connected?

Actions to take

Make sure that the cables between the pulse motor and the control board are connected correctly.

Possible causes

Has the fuse blown?

Actions to take

Check the fuses by reading and following the relevant information in the Instruction Manual.
If any have blown, replace them with a new one.
No magazine is outloaded. (LD or ULD stacker)

Possible causes

Is air supplied?

Actions to take

Open the air valve. Or check the volume of air supply.

Operation problems related to the bonding head or XY table

The bonding head does not operate.

Possible causes

Since this is the core unit, you should never take any countermeasures yourself.
If an error message is displayed, write down the message and contact us.

Actions to take

-
The XY table does not operate.

Possible causes

Since this is the core unit, you should never take any countermeasures yourself.
If an error message is displayed, write down the message and contact us.

Actions to take

-

プロセス編

Processes

Problems related to 1st side ball

The target bonded ball diameter is not obtained.

Possible causes

The FAB size may not be appropriate.

Actions to take

Adjust the FAB size.

Possible causes

The applied ultrasonic waves or forces may not be appropriate during the 1st bonding.

Actions to take

Adjust the bond force and ultrasonic power.                  
The bonded ball diameter is unstable, or a shape defect has occurred.

Possible causes

The lead frame clamping state may be unstable.

Actions to take

Clean the lead clamper, and adjust the position.
Eccentric or golf club shaped balls are produced.

Possible causes

The wire tension is inappropriate, and the fabrication may not be drawn correctly into the capillary.

Actions to take

Check the wires for inappropriate tension and check the flow rate of the wire tensioner and air tensioner by reading and following the relevant information in the Instruction Manual.
Adjust the flow rate as required.     

Possible causes

The wire positioning between the capillary, wire clamper, and wire tensioner is inappropriate, and the FAB may not be drawn correctly into the capillary.

Actions to take

Make sure that the capillary, wire clamper, and wire tensioner are positioned in a line. If not, adjust their installation positions by reading and following the relevant information in the Instruction Manual.                                    

Possible causes

If the capillary, wire clamper, and wire tensioner are contaminated, the fabrication may not be drawn correctly into the capillary.

Actions to take

Clean the wire clamper, wire tensioner, and air tensioner.
Replace the applicable parts (including the capillary and wires) as required.

Possible causes

Is the preset tail too long?
If it is too long, the tail may be bent and it may become eccentric.

Actions to take

Reduce the tail length or take other measures to adjust its parameters.                 
The strength of ball share is low, and the 1st bonding fails.

Possible causes

The 1st bonding parameter may not be appropriate.

Actions to take

Increase ultrasonic power and forces or take other measures to adjust its parameters.                   

Possible causes

The heater temperature of the 1st bonding may not be appropriate.

Actions to take

Increase the heater temperature or take other measures to adjust its settings.

Possible causes

Foreign matter on the heater may be floating the sample.

Actions to take

Clean the heater.

Possible causes

Foreign matter is adhered to the lead clamper, and the sample holding state may be unstable.

Actions to take

Clean the lead clamper.

Possible causes

Is the product surface contaminated (due to oxidation or with foreign matter)?

Actions to take

If the surface is contaminated, carry out plasma cleaning or other appropriate cleaning methods.

Possible causes

Is the capillary contaminated?

Actions to take

If it is contaminated, you may not be able to transfer ultrasonic waves correctly. Replace the capillary.
The bonding position shifts.

Possible causes

The reference model may not be recognized correctly.

Actions to take

"No similar shape", "Includes right angle",
"Black and white are clear" - Select the reference model, and set the alignment again.

Possible causes

The bonding point may not be exactly on the pad center.

Actions to take

Correct the bonding point.

Possible causes

Alignment operation may have started before the thermal expansion of the sample is saturated.

Actions to take

Adjust the timer and heater temperature so that thermal expansion is saturated.

Possible causes

Has the camera been offset?

Actions to take

If not, reset the camera offset by reading and following the relevant information in the Instruction Manual.

Possible causes

The bonding position may be shifted due to aging of the XY table.

Actions to take

Contact us regarding overhauling of the XY table.
It is recommended that the XY table is overhauled every three years.

Problems related to wire loop

The target loop height cannot be obtained (decreased).

Possible causes

If the component positions on the wire path are not aligned, the wire feed resistance may increase and the loop may be pulled.

Actions to take

Make sure that the capillary and wire tensioner are positioned in a line.
If not, adjust their installation positions by reading and following the relevant information in the Instruction Manual.

Possible causes

If each component on the wire path is contaminated, the wire feed resistance may increase and the loop may be pulled.

Actions to take

Clean the wire clamper, wire tensioner, and air tensioner.

Possible causes

The air flow of the tensioner, which tensions the wire, may be too high.

Actions to take

Adjust to the recommended flow rate for the wire diameter by reading and following the relevant information in the Instruction Manual.

Possible causes

Due to the poor sensitivity of the wire feed sensor, the wire feed-out amount may be insufficient.

Actions to take

Readjust the sensor sensitivity by reading and following the relevant information in the Instruction Manual.

Possible causes

The loop parameters may not be appropriate.

Actions to take

Adjust the loop parameters.
The target loop height cannot be obtained (increased).

Possible causes

The air flow of the tensioner, that tensions the wire, may be too low.

Actions to take

Adjust to the recommended flow rate for the wire diameter by reading and following the relevant information in the Instruction Manual.

Possible causes

Due to the poor sensitivity of the wire feed sensor, the wire feed-out amount may be excessive.

Actions to take

Readjust the sensor sensitivity by reading and following the relevant information in the Instruction Manual.

Possible causes

The loop parameters may not be appropriate.

Actions to take

Adjust the loop parameters.
Wire curls occurs.

Possible causes

The air flow of the tensioner, which tensions the wire, may be too low.

Actions to take

Adjust to the recommended flow rate for the wire diameter by reading and following the relevant information in the Instruction Manual.
The wire pull strength is low.

Possible causes

The ultrasonic output may be excessive.

Actions to take

Adjust the parameters by reducing ultrasonic wave output and others.

Possible causes

If the reverse angle of the loop is large, the ball neck may be damaged.

Actions to take

Reduce the reverse angle and others.
The wire is broken.

Possible causes

Wire feeding may be insufficient due to contamination inside the capillary.

Actions to take

Replace the capillary.

Possible causes

Due to contamination of the wire clamper, the wire feed-out amount may be insufficient.

Actions to take

Clean or replace the wire clamper.

Possible causes

The wire feed length may be insufficient due to an open/close failure of the wire clamper.

Actions to take

Replace the wire clamper.

Possible causes

The wire feed length may be insufficient due to contamination of the wire tensioner.

Actions to take

Check the wire tensioner. If it is contaminated, clean or replace it.

Possible causes

The wire feed length may be insufficient due to poor sensitivity of the wire feed sensor.

Actions to take

Readjust the sensor sensitivity by reading and following the relevant information in the Instruction Manual.

Possible causes

There is a possibility of a wire defect.

Actions to take

Replace the wire.
The wire is scratched.

Possible causes

The wire may be scratched due to contamination of or scratches on the wire clamper.

Actions to take

Clean or replace the wire clamper.

Possible causes

The wire may be scratched due to contamination of or scratches on the air tension or shaft.

Actions to take

Check the air tension and shaft for contamination and scratches.
Clean or replace them as required.

Possible causes

The wire may be scratched due to contamination of or scratches on the wire tensioner.

Actions to take

Check the wire tensioner for contamination and scratches.
Clean or replace the wire tensioner as required.

Possible causes

The wire may be scratched due to contamination of or scratches inside the capillary.

Actions to take

Replace the capillary.

Possible causes

There is a possibility of a wire defect.

Actions to take

Replace the wire.

Problems related to 2nd side stitch

Stitch peeling occurs.

Possible causes

The bonding parameters may not be appropriate.

Actions to take

Adjust the load and ultrasonic wave parameters.

Possible causes

The heater temperature may be insufficient.

Actions to take

Increase the heater temperature and adjust the corresponding settings.

Possible causes

Is the surface of the lead frame (substrate) contaminated?

Actions to take

Perform plasma cleaning of the sample.
Replace the sample with a new one.

Possible causes

The capillary size may not be appropriate for the wire.

Actions to take

Select the capillary again.
The tail is cut.

Possible causes

The bonding parameters may not be appropriate.

Actions to take

Adjust the load and ultrasonic wave parameters.                          

Possible causes

The bonding parameters for tail cutting may not be appropriate.

Actions to take

Adjust the parameters again during tail cutting.

Possible causes

The capillary size may not be appropriate for the wire.

Actions to take

Select the capillary again.
The tail remains.

Possible causes

Since the heater temperature is too high, the tail bonding may be too strong.

Actions to take

Reduce the heater temperature and adjust corresponding settings.
The wire pull strength is low.

Possible causes

The stitch part may be damaged if the ultrasonic output is excessive.

Actions to take

Adjust the ultrasonic wave output value.

Possible causes

If dirt accumulates on the capillary, the stitch part may be damaged.

Actions to take

Replace the capillary.
The bonding position shifts.

Possible causes

The reference model may not be recognized correctly.

Actions to take

"No similar shape", "Includes right angle",
"Black and white are clear" - Select the reference model, and set the alignment again.

Possible causes

The bonding point may not be exactly on the lead center.

Actions to take

Correct the bonding point.

Possible causes

Alignment operation may have started before the thermal expansion of the sample is saturated.

Actions to take

Adjust the timer and heater temperature so that thermal expansion is saturated.

Possible causes

Has the camera been offset?

Actions to take

If not, reset the camera offset by reading and following the relevant information in the Instruction Manual.

Possible causes

The bonding position may be shifted due to aging of the XY table.

Actions to take

Contact us regarding overhauling of the XY table.
It is recommended that the XY table is overhauled every three years.

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