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Reply To: | TechNet E-Mail Forum. |
Date: | Mon, 4 Jan 1999 16:04:13 -0600 |
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Richard,
I am a contract manufacturer and I use some forms of solder
paste inspection. Are you interested in solder height or print quality
or weight of what. We use 2-D inspection as part of our MPM UP-3000
system. We primarily check the fine pitch devices to make sure we are
getting a good print. We also use a cyber-optics system during set-up
of the screen printer and for trouble shooting when we are unsure of the
height of the print. We use 6 mil thick stencils for all products.
Depending on how the printer is set-up, we could get from 5.5 to 7.8
mils of solder paste. Obviously our goal is 6 mils of paste if we are
using a 6 mil stencil but as we all know, it isn't a perfect world.
If you can be more specific on what you are looking for I may be able to
provide more details on why, etc.
Regards,
Wade Oberle
-----Original Message-----
From: Hamilton, Richard -4454 [SMTP:[log in to unmask]]
Sent: Monday, January 04, 1999 11:17 AM
To: [log in to unmask]
Subject: [TN] Solder Paste Application
Happy New Year TechNetters,
Well, it is a new year and we want to try something new. I am
interested in
information and experiences on measuring the paste that has been
applied;
what equipment, difficult/easy for operators, benefits of use,
etc.
When you reply and if you are a CM, knowing that would be
helpful.
As in the past, thanks for any info in advance.
Richard Hamilton
Clemar Mfg. / Rain Bird
[log in to unmask]
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