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Reply To: | TechNet E-Mail Forum. |
Date: | Thu, 9 May 2002 11:43:48 -0700 |
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Hello,
Looking for the groups opinion(s) on the vertical fill requirement stated on
page 6-7 of IPC-A-610C.
Is the exception pertaining to the Defect Class 3?
Therefore making the 50% fill acceptable for class 3, PROVIDING the 360
degree and 100% wetting of barrel walls lead on the secondary side, and
surrounding PTH's meet the requirements of table 6-2.
What is the opinion of all in the above case "IF" you can not actually see
into the PTH to the depth of the 50%, but the soldering is acceptable and
meets all the requirements otherwise?
Comments privately or to the list will be appreciated.
Thanks,
Carl Barnes
Production Process Analyst
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