Electronics Forum: systemation (Page 407 of 593)

Solid Solder Deposit

Electronics Forum | Fri Nov 16 08:10:56 EST 2001 | Matt Kehoe

Hi Dave. Sorry I have not responded. Just as I was getting into this forum activity the company I worked for (past tense) decided not to re join the SMTA and I was cut off. Anyways, you can find most of what you asked for about SIPAD on the Midwest

Re: Pb alloy reflow temperatures and component integrity

Electronics Forum | Tue Aug 22 16:02:07 EDT 2000 | Dr. Ning-Cheng Lee

If the thermal mass of the products is small, a tent-shaped profile is recommended, with peak temperature around 240C. The hottest spot on board should be less than 250C. However, if the thermal mass of the product is large, such as a large server PC

interchangeable stencil frame systems

Electronics Forum | Thu May 03 10:23:33 EDT 2001 | davef

Yes, Alpha's frames help develop upper body strength. All stencils, regardless of the type of frame, can have loose foils. Stencils with removable foils require a specialized storage system for the foils and lots of band-aids. Some foil frame su

No clean flux residue

Electronics Forum | Fri Jun 01 16:22:35 EDT 2001 | davef

Your supplier�s approach to managing process change is TOTALLY UNACCEPTABLE!!!! Now, let me get the froth back in my mouth. How in the world do we know if the residues on these "no-clean" boards are compatible with your product? J-STD-001C, para 4

Component Contact

Electronics Forum | Mon Jul 30 11:10:41 EDT 2001 | hinerman

There are several things to look for in a compliant tooling system 1. How much force per pin is required to lock the pins in place? This is especially important since you will be multiplying by the total number of pins on all modules. 2. Is ther

Re: Which SMD placement machines are easiest to use?

Electronics Forum | Wed Jan 26 10:15:04 EST 2000 | Christopher Lampron

Maurice, I have worked with several different platforms of P&P machines and have a couple of thoughts regarding features and ease of use. The Contact Systems 3 series machines are versitile and very user friendly. I contribute this to the touch scree

Re: Looking under a BGA

Electronics Forum | Wed Jan 12 20:20:54 EST 2000 | Bene

I had the opportunity to spend time with a demo and one on one with the inventor of the Ersa scope inhouse a few months ago. I see the scope complimenting X-ray inspection but not as a substitue. It allows you to view attributes of a solder joint t

Re: Desiccators

Electronics Forum | Tue Dec 28 20:34:24 EST 1999 | Dave F

Hey Justin good to see you. You've been using your Terra box for a while now. Cabinet suppliers are: 1 Nitrogen boxes STANLEY STORAGE SYSTEMS P.O. Box 1151/11 Grammes Rd, Allentown, PA 18105-1151 800-523-9462 fax 610.776.3895 storagesystems@mail.

Re: Corroding Solder Joints

Electronics Forum | Tue Dec 28 10:57:53 EST 1999 | Amy Castor

I have tried the water soluble flux and the aqueous cleaners but I got the same results you did; horrible corrosion and a white flaky mess. I know exactly what you're talking about. We do a lot of hand soldering around here, and the magical solutio

Re: PTH connectors mounted on SMD process

Electronics Forum | Wed Dec 29 14:30:28 EST 1999 | Dan Woodward

I am not sure if I have seen an article comparing solder joint strength Vs pressfit although I am sure this has been researched by literally hundreds of companies before they felt comfortable going to pressfit. I know one of the issues with solder is


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