Electronics Forum | Thu Nov 14 00:06:23 EST 2002 | iman
note: retyped due to some earlier technical fault. does anyone know what environment factors(specifications?) and process control parameters(printer & reflow?) are optimal for running SMT using type 4 and type 5 solder paste respectively? Any pitfal
Electronics Forum | Mon Dec 16 10:23:42 EST 2002 | Grant Petty
Hi, I have checked the archives, but need some advise. We have a 256 pin 1 mm pitch BGA part of our boards, and we have having problems with paste release our of the holes for the BGA. We just cannot seem to get it right, and we have to keep the st
Electronics Forum | Tue Dec 17 16:27:02 EST 2002 | davef
I�m not clear on the problem. What I get: * Your fabricator did not deliver the product that you asked for in your purchase order. * Pad. Land. A portion of a conductive pattern used as a termination area. Metal surrounding a hole on a printed ci
Electronics Forum | Tue Mar 04 07:23:15 EST 2003 | msivigny
Hello ricardof, To implement Cpk studies on SMT production equipment, you will require highly accurate glass plates, glass component slugs, accurately manufactured stencils and a measurement system to perform X, Y and Theta positional deviations from
Electronics Forum | Sun Jan 26 09:32:55 EST 2003 | davef
But soon after cleaning and drying with IPA, we find a white residue formation. A: IPA will not nothing to clean your board. The white residue is exactly what you should expect. Search the fine SMTnet Archives for background. >How do we avoid th
Electronics Forum | Thu Feb 06 16:48:45 EST 2003 | Mike Konrad
There are many differences between batch-format and inline format aqueous cleaning systems. First, please allow me two make two things clear. 1: I am a manufacturer of both batch and inline aqueous cleaning systems. Because my company manufactu
Electronics Forum | Mon Feb 10 21:19:51 EST 2003 | MA/NY DDave
Hi I am in favor of the best money can buy tiles, and everything including an ESD officier and training for everyone. Long term less money is spent and ESD protection is kept high continually. Boy do I have stories like the cleaning guys who put on
Electronics Forum | Tue Feb 11 17:14:50 EST 2003 | Matherat
Traditional methods of hand assembly are as you described. For a company that is concentrating on the 1-5 or 5-50 quantities you've described, you need to look for ways to accomplish your task with speed, repeatablilty, quality and at a fair price. T
Electronics Forum | Tue Feb 11 22:28:25 EST 2003 | davef
What do you mean by "new information"? On final module testing: * If you have hypercorroded nickel and you detect it during final testing, you'll notice it. * If you have hypercorroded nickel and you don't detect it during final testing, you'll ship
Electronics Forum | Thu Feb 13 08:19:58 EST 2003 | MA/NY DDave
Hi Usually a no no in Production areas. or any areas involving physical hazards. If you brought in a trained Safety Professional they would be able to give all the distraction reasons that could lead to accident exposures. One highly motivated pl
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