Dear Technetters,

I am back with an old problem .. 

"Are the produced PCB's identical to my Design?"

If I send the D-356 file to the PCB Manufacturer, what does prove me it is
matching the production AND the Electrical Test ????

Further more, if tested with a Flying Probes Tester ?
They test proximity nets, and eventually more, but never all against one and
each one.. What is the reliability confidence in this case?

Once the D-356 sent.. who care ? Which feedback do we have??

So is there any practiced way of controlling 100% matching?

Is someone asking for it?

1 - Could the CAM generated netlists be sent to the Designer and compared to
D-356 ? 

2 - Can the CAM output a printed list describing the number of each net
length ?  

3 - Can the D-356 generate a printed list describing the number of each net
length ?

4 - Can the Flying Probes machine (ManiaBarco, ECT / ATG, ...) Generate the
number of each net length ? 

5 - Is there a software capable to compare each one and show the
differences?

6 - I remember our Mania Bed of nails, E.T. was capable to print the netlist
he was testing. Which depends of the effectively used bed of nails.. which
should correspond to the CAM and Design as well.. but for some reason we do
not even know if all the nails are in place to run the test.. 

7 - How all the above is handled in ODB++ Up + Down stream??

I would be pleased if someone could tell me how they proceed when they need
100% reliability from Design to Assy.. In case where we are manufacturing in
IPC Class 3, IPC-60xx, IPC-32xxx... 

Thank you
 
Very Best regards
Rol@nd
 
www.PCBspecialist.com
 

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