Electronics Forum: esd and on and smt (Page 2 of 4)

PB and PB Free on same screen printer

Electronics Forum | Thu Oct 04 16:07:03 EDT 2007 | jdengler

Everything for a lead free job is labeled with green lead free labels. This includes all processing documentation. When the kit is issued to production the production supervisor and SMT lead operator are reminded that the job is lead free. When th

Need help on PCBA Cleanliness Standards and Specs

Electronics Forum | Tue Nov 25 16:26:43 EST 2003 | tdurston

We are trying to establish requirements and process controls for completed, cleaned SMT assemblies. We have problems with our high impedance circuits (100 meg ohms) being affected by residue. Some boards require additional cleaning cycles to remove

Rohs and non rohs components on a board

Electronics Forum | Tue Feb 06 12:53:59 EST 2007 | CK Flip (MOTW)

ViVian, check the great SMT archives. Below is a good thread on this very topic. :-) http://www.smtnet.com/Forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=11344&#Message47106

Re: Information on 2D and 3D automated optical inspection systems

Electronics Forum | Tue Apr 07 13:49:52 EDT 1998 | Frank Silva

Paul, I work for a supplier of 2D and 3D x-ray inspection systems. If you are interested in discussing alternatives to AOI for post reflow SMT process monitoring and inspection I would be happy to discuss several strategy considerrations with you. W

Help on Qualification of Printer and Pick Place

Electronics Forum | Mon Oct 26 01:37:43 EST 1998 | Samson

I'm very new to the SMT process but I'm tasked to qualify a MPM Printer and a Panasert PnP m/c. The product consists of 6-10 different parts of a total of around 70. Please advice on the parameters for each m/c which I should focus on for optmization

Re: Help on Qualification of Printer and Pick Place

Electronics Forum | Mon Oct 26 20:09:19 EST 1998 | Dave F

| I'm very new to the SMT process but I'm tasked to qualify a MPM Printer and a Panasert PnP m/c. The product consists of 6-10 different parts of a total of around 70. Please advice on the parameters for each m/c which I should focus on for optmizati

Re: Help on Qualification of Printer and Pick Place

Electronics Forum | Mon Oct 26 20:54:10 EST 1998 | Jimmy strain

| I'm very new to the SMT process but I'm tasked to qualify a MPM Printer and a Panasert PnP m/c. The product consists of 6-10 different parts of a total of around 70. Please advice on the parameters for each m/c which I should focus on for optmizati

Solder Skips and Shorts on Lambda Wave, Omega Upgrade?

Electronics Forum | Mon Aug 13 09:49:35 EDT 2012 | rjlatz

I just got back from a visit to our PCBA manufacturer. We have good flowthrough on the PTH, but solder skips and bridges on the SMT SO IC's. We have correct orientation and robber pads, but the results are still the same. I noticed the wave shape is

Re: Help on Qualification of Printer and Pick Place

Electronics Forum | Tue Oct 27 15:25:02 EST 1998 | Stefan W.

Hi Samson ! In order to give you more detailed information I would like to know what your component range is and how many boards you supposed to do. Panasonic and MPM are a good choice, however, Panasonic has not many P&P machines on the U.S. market,

PB and PB Free on same screen printer

Electronics Forum | Thu Oct 11 14:56:27 EDT 2007 | chef

Thank you- my point exactly and it starts in SMT- operators pulling the wrong paste from the fridge, touch up using the wrong solder wire, etc. My solution- GET THE LEAD OUT!!!!! I'm a CM- high mix, low to medium volumes. No steady all day every day


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