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| Reply To: | TechNet E-Mail Forum. |
| Date: | Thu, 17 Apr 2003 14:05:47 -0400 |
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Hello and welcome,
To answer your question about the availability of solder doughnuts; Yes, they do exist but are designed to meet your specific criteria. Here's the technical link to Kester Solders whom I've used in the past for the same purpose. Most likely you'll just need to supply them with a drawing and rough quantity..
http://www.kester.com/technical_service.html
Good Luck,
Michael Laroe
MSL-Lowell
(978)677-2977
-----Original Message-----
From: Angela Gregor [mailto:[log in to unmask]]
Sent: Thursday, April 17, 2003 1:44 PM
To: [log in to unmask]
Subject: [TN] Controlled Solder
Hello everyone! As a new member I am going to put this new tool to the test
immediately. I work for a small company in Florida, and we build mainly
defense product for the government. We have a big problem hopefully someone
can help with. We are currently building a product that has through hole
cylindrical type hollow pins inserted into a printed circuit board then
soldered into place. (solder is not allowed to make contact with the inside
wall of the hollow pins). We are allowed only minimal amount of solder. It
is extremely difficult to achieve this while maintaining 75% fill of solder
in the board. I have heard of something called solder doughnuts that will
allow us to flow the same amount of solder each time but have been
unsuccessful in locating them. Any advise would be helpful. Thanks! Angela
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