Electronics Forum: lead free pcb fabrication (Page 1 of 51)

lead free pcb plating?

Electronics Forum | Sat Jul 28 08:37:52 EDT 2007 | davef

There is no good choice. Board Finishes: Industrial/Battelle Class 3 Environment [Reliability Knowledge Gaps: For use of Pb-free solders in High Reliability Applications, J Smetana, iNEMI Availability of SnPb-Compatible BGAs Workshop, March 1, 2007,

Low cost PCB prototype fabrication

Electronics Forum | Thu Jun 11 06:25:28 EDT 2015 | gorge

Hi, We are a professional quick turn PCB prototyping and low-volume production manufacturer located in China. Professional PCB prototype with guaranteed quality for PCB prototype, We can produce high-quality PCBs with competitive price. *convenie

lead free pcb plating?

Electronics Forum | Thu Jul 26 23:57:47 EDT 2007 | gioblast

Good day.. anyone who have read the best guide on pb-free pcb plating?? I know immersion is the best but the storage controls sucks..easily changes color..ANYONE WITH A BETTER kNOWLEDGE ON HOW TO CONTROL? OR better plating ...enig?? why?? please. all

lead free pcb plating?

Electronics Forum | Mon Jul 30 10:17:26 EDT 2007 | davef

immersion ...easily changes color.. See that's the GREAT thing about immersion coatings. If they change color, they probably will not solder well. Try that with other coatings.

lead free pcb plating?

Electronics Forum | Fri Jul 27 10:07:18 EDT 2007 | rgduval

Our preference has been ENIG. We find that we achieve higher quality (visually) soldering for through hole and surface mount parts, with less handling issues than when we use white-tin, or immersion tin. We are about to do a test on some boards tha

HASL lead free thickness

Electronics Forum | Tue Nov 16 06:52:44 EST 2010 | cacace

1 um". Some PCB manufacturer is telling me that this specification is not feasible in production. I would know if this position is due to the equipment (or process control) they have, or if in effect is not possible to satisfy my requests.

lead free solder crack

Electronics Forum | Wed Feb 20 23:17:34 EST 2002 | surachai

I AM JUST EVALUATION LEAD FREE EVALUATION AND FOUND THE BIG PROBLEM OF SOLDER CRACK BETWEEN TERMINAL OF COMPONENT AND THE INTERMETALLIC LAYER OF LEAD FREE ALLOY BUT DON'T FIND ANY CRACK BETWEEN SOLDER AND SURFACE OF PCB , COULD YOU HELP ME VERIFY T

HASL lead free thickness

Electronics Forum | Wed Nov 17 07:39:20 EST 2010 | jax

Most PCB manufacturers should be able to fall between 1.25um-5.00um for Pb-Free HASL. I doubt you will get anyone to agree to anything higher. If you are going to require an average thickness, make sure you also state "No Copper exposure allowed".

washing lead free boards with lead boards

Electronics Forum | Thu Jan 19 14:43:08 EST 2006 | jeffharley

So as far as pb free compliance in EU there would be no residuals from pb on the pcb's to speak of. We also have deionization cabinet with chealate filter for heavy metals that recirculates the wash water.

lead free platings and tin lead

Electronics Forum | Tue Aug 31 17:36:36 EDT 2004 | davef

NO-LEAD COMPONENTS WITH LEAD SOLDER ISSUE: We agree with Russ. We've dicussed this several times on SMTnet. For instance, look here http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=25394 LEAD COMPONENTS WITH NO-LEAD SOLDER ISSUE: We disa

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