The flux specification is ANSI/J-STD-004 w/ammendment 1. It is available through IPC
at www.ipc.org
The EMPF in Indianapolis Indiana USA did some research on coating over no-clean.
Project manager was Tim Crawford. Contact [log in to unmask] or 317.655.3673
Jack Crawford, IPC Project Manger - Assembly
2215 Sanders Road, Northbrook IL 60062-6135
[log in to unmask]http://www.ipc.org
847-509-9700 x 393
fax 847-509-9798
>>> Chris Evans <[log in to unmask]> 04/14/98 07:30PM >>>
Hello Technetters
I have three questions
1. Which specification are no clean fluxes released to. Do they
conform to Def Stan 34-4.? ( I know its not been issued other than in
draft form but it gets called up in our work)
2. Has anyone any information on conformal coating over no-clean flux.
Compatability or long term reliability issues ?
3. How are others going to overcome the new restrictions on rosin flux
fume ? Are you using extraction or changing fluxes ??
Any response greatfully received
Thanks
Chris Evans
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