Electronics Forum: fine pitch components (Page 10 of 222)

Non wetting on fine pitch product

Electronics Forum | Thu Sep 07 10:45:46 EDT 2006 | vicknesh28

Yes solder is reflowing on the pad but doesnt wick up the lead. Solder paste is sufficient. It just forms a saddle like appearance beneath the failing lead. The failed lead doesnt get reflowed at all. What puzzles me is how can hundreds of leads wet

super fine pitch paste & dispensing questions

Electronics Forum | Mon Aug 16 14:43:44 EDT 2010 | dan_ems

Hello, i don't know if is possible to dispense paste but for reduction of cost we use a diferent type of stencils, from aluminium of 0,2 mm, purchased from a typography of newspapers. Ofcourse the pcb for what we use this stencil are simple. But th

super fine pitch paste & dispensing questions

Electronics Forum | Mon Aug 16 20:50:05 EDT 2010 | adhesivedispenser

CiXi Tian Hao Electric Technic Co.,LTD manufactures adhesive dispensing equipment and may be able to offer assistance with your application. Check out our product information at http://dispensing-th.com. We manufacture dispensing equipment ranging fr

super fine pitch paste & dispensing questions

Electronics Forum | Sat Aug 21 02:27:21 EDT 2010 | isd_jwendell

The paste you dispense will not solder the same as the one you use with a stencil. The paste for the stencil will have a higher metal content. I was not working with dispensing as small as you are, but after evaluating the cost of the stencil vs. lon

Trouble selective soldering fine pitch connectors

Electronics Forum | Tue Dec 11 11:59:00 EST 2012 | sarason

The issue is surface tension around the connector. Your tip needs to have more surface tension than the pins of the connector as it forms a cluster when being soldered. When I used to solder superfine connectors with a metcal iron it had a horses hoa

super fine pitch paste & dispensing questions

Electronics Forum | Mon Aug 23 10:11:55 EDT 2010 | flipit

Hi, I have never been able to find an acceptable dispense process for dispensing small dots of solder paste. I currently have an auger screw automated dispense system and can not accomplish 0.010" dot sizes. In addition, stencil printing is much m

Trouble selective soldering fine pitch connectors

Electronics Forum | Tue Dec 11 12:29:57 EST 2012 | deanm

Thanks for the comments so far. The smallest nozzle I've tried is a 4mm, which is what Pillarhouse used on this board to provide a sample. I tried this but wasn't as good as the 6mm. I've soldered the same connectors on a different board using a 10mm

Re: Coplanarity on fine pitch QFP

Electronics Forum | Tue Sep 26 09:27:10 EDT 2000 | Chris May

LarryK, It all depends upon your volume / problem. As Jax says, if this is a repeating problemo, get QA & Purchasing involved. Is it your stores ? Do they receive 100 off and "decant" 20 into a tube (manual handling error, training etc;). From your

Poor soldering on fine pitch?

Electronics Forum | Fri Jun 09 05:18:07 EDT 2006 | Rob

Hi Shawn, that you're baking the components makes me think that they are either old, or have been sitting around for a while (or none of the above & you are really dilligent!) Whilst baking will sort out the MSD issues (such as popcorning) it will

Poor soldering on fine pitch?

Electronics Forum | Thu Jun 08 23:26:28 EDT 2006 | Shawn Vike

We are a small company, reletivly new to doing our own SMT (1 year) and we are having an issue, I think. We manufacture many board with no problems, but we have one that constently defeats us. This particular PCB has ENIG finish, and we have had th


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