Electronics Forum | Mon Nov 01 08:34:06 EST 2004 | fcox
What I am really after is what is recommended to clean the paste from the stencil. What works best? What is really used in common practice?
Electronics Forum | Sat Jan 29 05:51:11 EST 2005 | Chua
Hi, Can anyone tell me what do Rohs standy for and what it mean. And also WEEE, what do this standy for and what it mean. Thanks.
Electronics Forum | Mon Apr 04 09:30:49 EDT 2005 | russ
Andrew, we need a lot more information to help. 1. what is the open caused from? bemt pins, non-wetting, board bowing, or no paste deposited. 2. What is your current stencil design? 3. What does this connector look like and what are the pins? Rus
Electronics Forum | Mon Jun 27 11:24:03 EDT 2005 | russ
What size paste roll do you have on your stencil? It should be about 1/2" in diameter. What type of paste are you using? I have found that certain Mfgrs have this problem with some of their formulations. What typoe of printer and what is your squ
Electronics Forum | Tue Dec 10 10:26:56 EST 2002 | davef
Questions are: * What is the current plating on the connector that is over the "plating of the leads is Nickel (99.9% purity)"? * What are the temperatures and durations at those temperatures that you read on these connector leads? * What solder allo
Electronics Forum | Mon Nov 12 09:22:41 EST 2007 | russ
Could be any one of the 3 you mentioned, need some details here, do you really think we can answer this question as it is? Now for your issue, what is the make up of the lead itself on the part? what is the reflow profile at this part? what is
Electronics Forum | Sat Jan 15 08:53:37 EST 2011 | kahrpr
That’s a pretty general statement. You would need more specifics to make a good choice. The question is like asking what kind of car should I buy Ford, Chevy or Dodge and leaving out Toyota, Honda etc. What are the volumes ? What is the mix ? What mo
Electronics Forum | Fri Aug 03 16:46:59 EDT 2001 | davef
It's OK to have a thin film or haze of paste left on the stencil. Printing nice bricks of paste is the important thing. Assuming you know these things, so tell us more about your situation. PRINT QUALITY: What do your paste deposits look like?
Electronics Forum | Sat Apr 26 01:27:33 EDT 2003 | Iman
no S**t, I was going into SMTnet to post a question, on : 1) what is the actual "physics" behind "Leaching" defect? what is the accurate desciption to define this defect? how to eliminate the general causes to this defect? If encounter, what work pr
Electronics Forum | Tue Aug 16 08:01:20 EDT 2005 | davef
Peter: Questions are: * From your pictures, the white residue appears to be only on the solder mask. Is that correct? If not, what is the location [eg, solder, nonsolder/nonmask areas] of the residue that doesn't show well in the pictures? Further,
