Electronics Forum: printing solder paste (Page 1 of 776)

printing solder paste on test vias

Electronics Forum | Thu Aug 21 23:35:20 EDT 2003 | kennyg

For ICT purposes I may need to print solder paste on 0.015" test vias. No-clean is not an option for this assembly and OA seems the only choice. Can flux be safely removed from inside the via from the other side during a standard water wash process

printing solder paste on test vias

Electronics Forum | Fri Aug 22 00:25:20 EDT 2003 | mantis

Kenny, Out of curisoty why do you need to paste the vias.Is it due to contact reliability at test.Can these vias not be soldered during wave process (if any).Can the Style of probe used in the ICT test fixture not be changed to accomodate these unsol

printing solder paste on test vias

Electronics Forum | Fri Aug 22 09:44:45 EDT 2003 | davef

Kenny: Since you need to use water soluable flux and can't use no-clean, consider asking your board fabricator to plug the via.

printing solder paste on test vias

Electronics Forum | Tue Aug 26 21:12:24 EDT 2003 | iman

depends if your water wash process is manual or automation? important is the water residue inside the via holes is adequately blown out. As long as the water-flux residue is out, testing down the line should not be a issue, at least from theory and o

printing solder paste on test vias

Electronics Forum | Fri Aug 22 09:41:49 EDT 2003 | davef

Mantis: Kenny reflows paste on [wave solders] all via, not just the test via, to plug the via and provide for a pressure seal between the board and the test fixture. Beyond that, since solder is softer than copper [and fills the hole better], solde

Bump printing with solder paste

Electronics Forum | Thu Aug 19 12:01:26 EDT 2004 | erhard

We want to get a process running to print paste with a thicker plastic stencil with some room left underneath for preassembled components. I know DEK offers these stencils but since we are using an MPM printer they don't want to sell to us stencils f

Bump printing with solder paste

Electronics Forum | Thu Aug 19 15:49:05 EDT 2004 | pjc

Hi Erhard, Go to http://www.globalstencil.com They are the stencil firm that worked with MPM for developing technology for printing with thick stencils that are milled out on the bottom to account for existing components on the top side of a PC boa

solder paste printing

Electronics Forum | Wed Feb 20 02:12:44 EST 2019 | prasanth

what's the meaning of print pump head in solder paste printing

solder paste printing

Electronics Forum | Thu Jan 27 01:21:48 EST 2011 | eliezerk

How can I print two various heights of solder paste on the same board , no space for graded stencil

solder paste printing

Electronics Forum | Fri Mar 29 11:06:25 EDT 2019 | ccouture

WHAT?

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