TS16949 - MSA for Agilent Parametric Tester

I

imam7624

#1
Hi everyone,

My company is going to certify for TS16949 for next coming year. Currently i have facing some issue on GR&R study for Agilent parametric tester whereby the result always failed with almost 99% score(as attached). Fyi, this Agilent parametric tester is use to measure the voltage and test the functionality of wafer before ship to end customer. Since the result is quite important for customer, we think we might have to do the MSA study for that particular machine. As i can see from the raw data, seems like the variation is too small that causing the GR&R failed. Anyone can help me to overcome this issue? Do i need to perform the T-test instead of GR&R study? Forgot to mention that we are using Minitab software to analyze the result. appreciate on your kind advice, thanks!
 

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D

debyang

#3
The results indicate that the within system variation is too big to disdinguish the part differences.

It might be helpfull to consult the equipment supplier to figure out how to reduce the EV.
 

jelly1921

Quite Involved in Discussions
#4
Hi everyone,

My company is going to certify for TS16949 for next coming year. Currently i have facing some issue on GR&R study for Agilent parametric tester whereby the result always failed with almost 99% score(as attached). Fyi, this Agilent parametric tester is use to measure the voltage and test the functionality of wafer before ship to end customer. Since the result is quite important for customer, we think we might have to do the MSA study for that particular machine. As i can see from the raw data, seems like the variation is too small that causing the GR&R failed. Anyone can help me to overcome this issue? Do i need to perform the T-test instead of GR&R study? Forgot to mention that we are using Minitab software to analyze the result. appreciate on your kind advice, thanks!
From your file, it can be found that:
1) Xbar Chart by operator is NOT under control ( because some mode exits --- up and down in cycle)
2) the interaction between operator and part exists --- that means you have to take some actions to deal it
3) the parts chosen is too narrow comparing with tolerance ( I guess), that cause the EV too high and ndc close to zero. --- you need find some parts close to either side of the limits of tolerance.

Jelly
 
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