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| Date: | Tue, 1 Oct 1996 03:19:22 -0400 |
| Content-Type: | text/plain |
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reading what all the techies have written - they all bare credence - but
solving the process is the best possible amswer. to add to the list - someof
the board shops are stillusing sr-1000 - thermal cure soldermask - when this
mask bleeds - neither persulfate nor peroxy/sulfuric will cure it. i've seen
the board shops that use it use a mild bifluoride/peroxide etch.
just adding to the list!!
rick fudalewski
atotech canada
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