Agreed 


James Hofer
General Manager
Accurate Circuit Engineering (ACE)
3019 S. Kilson Dr.
Santa Ana CA 92707-4202
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(714) 546-2162 wk
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-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Tan Geok Ang
Sent: Sunday, May 12, 2013 6:43 PM
To: [log in to unmask]
Subject: Re: [TN] ICT Coverage

The design shall build in with 100% testability, if only 90% test able, it still means that 100% bad device are shipped out of the factory...if the something (e.g. component issue, etc) happened on with the 10% which was not tested,  = 100% reject!

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Robert Kondner
Sent: Saturday, 11 May 2013 12:26 AM
To: [log in to unmask]
Subject: Re: [TN] ICT Coverage

Hi,

 Hmmmmm, I smell bad math.  (Smells like Hog Wash if I remember correctly!)  :-)

 If you line produces 10% bad device (90% yield which is pretty bad depending on what you are building) and your ICT coverage is only 90% you will have a 1% rate of failure going out the door. 

Bob K.

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Dave Schaefer
Sent: Friday, May 10, 2013 11:19 AM
To: [log in to unmask]
Subject: Re: [TN] ICT Coverage

If ICT is your only or primary test strategy then anything less than 100% coverage is unacceptable.

Would you want tell your customers you are 90% certain the product you are delivering works?

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