"Ubl, Scott" <[log in to unmask]> Wrote:
| 
| 
| I am curious, what are commonly used receiving inspection 
| procedures for 
| outsourced multilayer PWB's and the value of individual 
| procedure.
| 
|  I would like to know more about what other companies 
| thoughts and 
| procedures are, on doing solderability tests, cross section 
| analysis, 
| requiring COC's  and ionic contamination testing at receiving 
| inspection. 
|  Is this analysis  found to be benefiticial and identify 
| defective lots? 
|   Basically I am looking for others to share the experiences 
| they had with 
| bare board inspection and ideas to optimize the effectiveness 
|  of the PCB 
| inspection step  for a high quality board.
| 
| 
| Thank you,
| 

Hello Scott -

IPC-A-600 (Acceptability of Printed Boards, Rev E) published in August 
1995 is a good reference and industrial standard for bare board 
inspection.  

Best Regards


Nora Xiao
Tektronix, Inc.