OH&S Requirements

1. Ensure you have either completed a risk assessment or read (and confirmed as being read) the relevant risk assessment before attempting to operate or maintain this equipment.
2. The Process ID which refers to the general risk assessment regarding activities in the darkroom / PCB etching facility is 19251 and addresses the operation and chemicals used in conjunction with this equipment.
   • The UQ Risk Management Database can be located here [1]
3. Visually check the equipment is safe to operate and the electrical safety tag is current.  If expired, the equipment must be tested and tagged before proceeding.
4. Wear safety glasses, gloves and a lab coat before you being.
5. Clean room protocols apply to the darkroom / PCB etching facility

Container #1

1. Volume = 15 litres   /   Chemical life in container = 3 months
2. Ensure the container is perfectly clean before filling
   • Before continuing, be aware that cross contamination between containers must be avoided
3. Fill with 750mil (5% by volume) of Black Hole SP Conditioner EEL 51-02-03
4. Add 14.25 litres of de-ionised water EEL 50-11-02
5. Maintenance requirements for this container as follows:
   • Over time evaporation may occur, top-up as required with de-ionised water EEL 50-11-02

Container #2

1. Sprinkler tank, no fill required
2. Maintenance requirements for this container are as follows:
3. Check spray nozzles periodically and ensure they are clean and free from scale

Container #3

1. Not used, but should be kept clean

Container #4

1. Volume = 11.5 litres   /   Chemical life in container = 1 Year
2. Ensure container is perfectly clean and dry before filling
3. Thoroughly stir the Black Hole SP Starter before dispensing
4. Fill with 11.5 litres of Black Hole SP Starter EEl 50-11-03
5. Maintenance requirements for this container are as follows:
   • The contents of this container should be thoroughly stirred a minimum of 2 times per week when not in use and before starting each job

Container #5

1. Drying tank, no fill required
2. Maintenance requirements for this container are as follows:
   • Ensure tank is always kept clean

Container #6

1. Volume = 42 litres   /   Chemical life in container = 1 Year
2. Ensure container is perfectly clean before filling
3. Fill with 42 litres of Acid Copper 9241 Solution EEL 51-02-02
4. Add 100ml of Macuspec 9241 Brightner EEL51-01-02
5. Over time evaporation may occur, top-up container with Acid Copper 9241 EEL 51-02-02 plus 0.4ml f Macuspec 9241 Brightner EEL 51-01-02 per litre of Acid Copper added
6. Maintenance requirements for this container are as follows:
   • Add 10ml of Macuspec 9241 Brightner EEL 51-01-02 after every 100 Ampere hours of usage or when prompted by Contac II process menu or considered necessary by the operator
   • Filter contents using filer paper EEL50-05-01 and thoroughly clean tank at 3 monthly intervals.  Do not rinse the black coating off the anodes.

Container #7

1. Sprinkler tank, no fill required
2. Maintenance requirements for this container are as follows:
   • Check spray nozzles periodically and ensure they are clean and free from scale

Container #8

1. Not currently in use - ensure the element is fully immersed in water as a safety precaution and disable tinning tank option as per menu instructions

Waiting Period

The chemicals must have been in the Contac II for a minimum of 24 hours before commencing plating

Manufacturers Documentation

See K062A.MN1, K062A.MN2, K062A.MN3 & K062A.MN4

Additional Information

• The manufacturer's safety data sheet for Black Hole SP Conditioner EEL51-02-03 = MSDS033
• The manufacturer's safety data sheet for Black Hole SP Starter EEl 50-11-03 = MSDS034
• The manufacturer's safety data sheet for Acid Copper 9241 Solution EEL 51-02-02 = MSDS035

Amendments to Procedure

Inform the Engineering & Technical Support Manager at the earliest opportunity if this procedure has, or needs to be altered in any way