Electronics Forum: double (Page 9 of 147)

Re: double sided step by step

Electronics Forum | Tue Oct 05 02:47:01 EDT 1999 | Eric

| Hi everyone, I need some help on the whole process of double sided surface mount. We have been doing surface mount for about 3 months and we're getting ready to take on our first doule sided board. I just need some step by step process regarding so

ict nail for double sided reflow

Electronics Forum | Tue Jul 18 17:47:02 EDT 2000 | bluto

What kind of ict nail should we use when testing a board that does not go through wave solder? There is no dome shape for our nails to "bite" into, and we are having problems.

Re: ict nail for double sided reflow

Electronics Forum | Tue Jul 18 20:17:25 EDT 2000 | Dave F

Bluto: Either: * Give the springs in your probes some spinach ... OR * Print some paste onto your test pads Popeye

support pins for double sided boards

Electronics Forum | Wed Sep 06 06:12:57 EDT 2006 | jonatf

thanks CL, Any idea how much the Gridlock tooling pin is? Brand new or seconds??? cheers!

support pins for double sided boards

Electronics Forum | Wed Sep 06 06:57:39 EDT 2006 | pavel_murtishev

Good afternoon, Check this out: http://www.novatec-eap.com/technology/vacunest.htm Can be a good solution. BR, Pavel

support pins for double sided boards

Electronics Forum | Thu Sep 07 01:01:28 EDT 2006 | pavel_murtishev

Good morning, I am not a sales representative, unfortunately. Ask Novatec the quote. BR, Pavel

Reflow profiling of double sided assemblies

Electronics Forum | Thu May 23 10:29:15 EDT 2013 | emeto

We would usually have the bottom zones at the reflow with 10 degrees less than the top ones for the secondary side. This we proved helps to keep the parts of the primary side on the board.

Reflow profiling of double sided assemblies

Electronics Forum | Thu May 23 11:57:21 EDT 2013 | dyoungquist

We run the same profile for both sides. We also run the bottom temp 10C cooler in the final 2 heat zones.

Reflow profiling of double sided assemblies

Electronics Forum | Fri May 24 14:42:35 EDT 2013 | dilogic

Google for this: "weight_limit_qfn_smta.pdf" Although it is focused on QFN, formula can be used for most parts...

Dual lane vs double line SMT

Electronics Forum | Wed Mar 04 02:49:21 EST 2020 | SMTA-Davandran

Dual line safe space but not suitable for high population component mounted on PCB. Please study on estimate throughput before make decision.


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