week 5

03.05.10(Monday)

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- Learned how to identify good and rejected Powermite package.

- Updated percentage of yield loss of front end, back end and final test of 8 types of packages for April 2010.

- Analyzed shop order.

04.04.10(Tuesday)

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- Continued update percentage of yield loss of front end, back end and final test for April 2010.

- Learned how to use "macros" in MS Excel to get the maximum limit and 6S value of package and then updated them into table.

- Searched for wafer lot number through http://mboi.onsemi.com website.

05.05.10(Wednesday)

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- Uploaded VFP min limit=0.2 and generated report for SMB package.

06.05.10(Thursday)

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- Analyzed shop order summary.

- Identified the features of package SMA, SMB, SMC, SO8 Flat Lead, Micro8 Flat Lead, and Powermite.

- Verified and serialized 20 units and recorded down their resistance where the resistance must more than the minimum limit 2.0 ohm.

- Verified 50 units from lot 4939 and serialized them where the Vth is <1.60>

- Verified unit for lot 4833 and 4943 and separated them into different category.

07.05.10(Friday)

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- Verified lot 4833_25167B and separated the units into different category such as ICES and ISGS.

- Verified 30 units for lot 4939 and serialized them where the Vth is <1.60v.

- Verified 30 units for lot 4935 and serialized them where the Vth is <1.580v.