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Reply To: | TechNet E-Mail Forum. |
Date: | Thu, 30 Mar 2000 08:08:05 -0500 |
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In one word. YES! .200 thick parts with holes that small will tend to
plug at HAL every time. It most likely will not affect every hole on a board
but I would bet it effects some holes on every board. This is also very
difficult and time consuming to sort for. I would not be surprised if you
actually received some plugged hole even after your suppliers inspection.
ED Cosper
-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Darrel Therriault
Sent: Wednesday, March 29, 2000 7:13 PM
To: [log in to unmask]
Subject: [TN] B/P Yields
Technetters/Fabricators,
My supplier is having a problem with yield on our backplane (~.200",
SMOBC/HASL). It seems to be centering around
hole plugging from HASL. FHS are .024", .028", .032" for both pressfit and
pth connectors. Is this a typical problem for
these requirements??
If so, what are other finishes to consider to achieve higher yields but not
introduce large cost adders??
Comments and suggestions appreciated.
Tks........DT
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