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February 1998

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Subject:
Re: Soldermask developing
From:
Afri Singh <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Mon, 9 Feb 1998 18:06:49 -0500
Content-Type:
TEXT/PLAIN
Parts/Attachments:
TEXT/PLAIN (44 lines) 
WE HAVE A FEW CUSTOMERS THAT ARE USING THE FEED AND BLEED SYS ON THEIR LPI
DEVELOPERS. IT IS A SIMPLE SYSTEM WHERE A 20% CONCENTRATE SOLUTION IS
PUMPED INTO THE THE LAST SUMP AS SOON AS THE DEVELOPER SPRAY SWITCH IS
TURNED ON
YOU HAVE TO MONITOR THE CONCENTRATE AND ADJUST THE AMOUNT BEING PUMPED FOR
THE FIRST FEW DAYS OR UNTILL YOU HAV

On Mon, 9 Feb 1998, Padmanabha Anandapuram Halappa wrote:

>      Hi technetters,
>
>      I am in the progress of implementing Feed & Bleed system
>      for Solder mask developing process, if anyone have any
>      experience implementing such systems please advice.
>
>
>
>      thanks......
>
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