Electronics Forum: lead-free solder paste (Page 1 of 786)

lead-free

Electronics Forum | Fri Apr 30 09:52:02 EDT 2004 | frank.verleye@barco.com

What will be the impact of the introduction of lead free soldering, for deciding to test a specific foard under XRAY or AOI? How will false call and detecion rates evolve, on both?

lead-free stencil printing

Electronics Forum | Thu Sep 25 12:59:14 EDT 2003 | successmani

hi, I am a research student in Electronics manufacturing at RIT. We are planning to assemble boards using lead free solder paste. I was wondering would there be any changes in printing in using lead-free paste"Sn-3.9Ag-0.5Cu". Thedensity of Sn-37Pb

solder paste

Electronics Forum | Wed Dec 09 09:47:32 EST 2009 | dyoungquist

I am curious as to why you need to mix.... We use a 500g cartridge with air gun. Our process is remove the cartridge from the fridge, allow it to warm up to room temperature before inserting into air gun, then apply bead of paste to the stencil. N

Re: Low-temperature, lead-free solders

Electronics Forum | Thu Apr 22 16:07:36 EDT 1999 | Rick

Do solders exist that are both lead-free and low-temperature (e.g. 100-170 Celsius range)? If so, who supplies these materials? Any websites or contact information would be most helpful. Also, I am not an expert on soldering, so any

Lead free solder paste selection

Electronics Forum | Thu Jul 01 17:35:30 EDT 2004 | Sofia

Hi Everyone, I am just curious, is there a guidline that people follow for choosing their lead-free solder paste? In other words, how do people know whether they should use Indium alloy, or Castin (Sn/Ag/Cu), or whatever else? Thanks

Lead free solder paste selection

Electronics Forum | Fri Jul 02 17:05:26 EDT 2004 | blnorman

Depends on your specific application. Can you handle lower reflow temps? Can your parts handle higher reflow temps? What environment will your assembled product have to endure? Lot of different factors come in to play when choosing the right allo

Separate Oven for lead-free reflow

Electronics Forum | Wed Jan 04 13:59:14 EST 2006 | chunks

Ask your customer why they need this? Show them your process. Then bury them in their own unknowledgeable requests. It is pretty scary how many papers are also written about how easy it is to reflow a lead-free BGA with regular leaded paste. ht

Lead Free Component on solder paste (lead)

Electronics Forum | Wed Jan 02 22:05:05 EST 2002 | visionlight

What are the implication of using lead free components on lead content solder paste.

WS619LF solder paste

Electronics Forum | Thu Feb 07 05:24:16 EST 2008 | muarty

I would advise that you clean the stencil thoroughly at least every 4 hours, also though it is worth cleaning the stencil top and bottom after any breaktimes. To avoid solder paste drying off in stencil apertures. Best piece of kit I've purchased was

lead-free wave

Electronics Forum | Tue Jul 24 03:26:45 EDT 2001 | winnifred

Dr. Lee, For lead-free wave soldering, we are recommended to use SnCu0.7, why not 0.8 or more ?? Since SnCu0.7 has eutectic melting point at 227 deg C, does it mean with more Cu or less Cu, the melting point will be higher ?? Also, in lead solderin

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