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Client #161

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Project Number 1

Summary:

After evaluating several aqueous products with limited success, baking soda blasting was demonstrated to the client as being very effective in removing the salts from the steel parts.

Test Objective:

To find one chemical to clean our contaminated parts

Product Use:

Semi-conductor fabrication
Trial Number Date Run Purpose Success Rating
0 11/26/2001 Preliminary evaluation of selected products. Preliminary compatibility tests on substrate coupons encouraging for at least one cleaning chemistry. More in-depth laboratory testing necessary.
1 11/27/2001 To evaluate cleaners using longer times and elevated temperature A follow up test, usually based on company input.
2 11/27/2001 To evaluate successful cleaners using ultrasonic energy A follow up test, usually based on company input.
3 12/12/2001 To evaluate additional cleaners for the removal of the chemical vapor deposition Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
4 01/24/2002 To evaluate baking soda blasting unit A follow up test, usually based on company input.