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Client #155

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Project Number 1

Summary:

Lab has identified several products capable of removing the different contaminants.

Test Objective:

To eliminate the use of Toluene

Product Use:

substrates for semiconductors
Trial Number Date Run Purpose Success Rating
0 08/07/2001 To identify a replacement cleaner for toluene to remove wax Preliminary compatibility tests on substrate coupons encouraging for at least one cleaning chemistry. More in-depth laboratory testing necessary.
1 08/08/2001 To clean supplied parts using two successful cleaners. A follow up test, usually based on company input.
2 08/13/2001 To identify alternatives for second contaminant (509) Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
3 08/15/2001 Further evaluation of replacements in removing the 509 crystalbond. A follow up test, usually based on company input.
4 08/23/2001 Evaluating cleaners for removal of 590 adhesive. Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
5 08/28/2001 Evaluating additional cleaners for removal of reed wax. Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
6 08/28/2001 Evaluating additional cleaners for removal of reed wax. A follow up test, usually based on company input.
7 09/19/2001 Evaluating cleaners for removal. Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
8 09/20/2001 Evaluating cleaners for removal. A follow up test, usually based on company input.
9 10/01/2001 Evaluating cleaners for removal. A follow up test, usually based on company input.
10 10/09/2001 Summary of Findings Final Report only.
11 10/15/2001 To evaluate to additional cleaners on all five contaminants A follow up test, usually based on company input.

Project Number 2

Summary:

Using FT-IR, the contamination has been identified as being toluene and/or the wax.

Test Objective:

To identify contaminants on rejected parts.

Product Use:

substrates for semiconductors
Trial Number Date Run Purpose Success Rating
0 08/29/2001 To identify contaminants on rejected parts. A cleanliness study, addressing only various analytical techniques.