Electronics Forum | Tue Aug 05 21:08:10 EDT 2014 | isd_jwendell
You are correct about the Manncorp machine, it was an MDC machine. The Essemtec machine is old(ish) but still runs fine, and last I knew they were still supporting it. My recent problem with Essemtec was in regards to software. I found a bug and sim
Electronics Forum | Wed Aug 06 14:49:06 EDT 2014 | dyoungquist
Sn62Pb36Ag2 has a higher liquidus point of 189C as compared to Sn63Pb37 at 183C. You may need to slightly adjust your oven profiles to use it compared to SnPb. We have had good solder-ability and reliability with it in our IPC Class II products. A
Electronics Forum | Thu Aug 07 09:24:42 EDT 2014 | tombstonesmt
Good morning everyone! I'm searching through tech sheets and equipment manuals to determine the recommended paste thickness on the stencil during operation. We use a MPM momentum screen printer using SAC305 paste. Board isn't too complex; one QFP, co
Electronics Forum | Thu Aug 14 19:09:41 EDT 2014 | takram
I purchased the JW-3040 manual printer after seeing this company here. They were advertising the JW-3040 as new but their website said they specialize in used products. I specifically asked and was assured that the printer is new and comes with a squ
Electronics Forum | Sun Aug 17 19:06:42 EDT 2014 | natashakt
Hi All, I have been looking in to some failures of PCB's in Assembly. After SMT the boards are stored for different periods of time in high humity environment (72% RH and 21.4 degrees Celsius) before being sent to Assembly to be handsoldered/put thr
Electronics Forum | Thu Sep 04 03:26:18 EDT 2014 | eurekadrytech
Hi all: Interesting question you have raised as it concerns the rate of absorption by the board material. I represent http://www.EurekaDrytech.com and could assist in resolving the blistering problems you're facing. First some questions. 1. Is the
Electronics Forum | Mon Sep 08 21:12:29 EDT 2014 | eurekadrytech
Hello, Manufacturing process with high moisture and humidity environments and long term storage will definitely see pop corning effects once high temperature from soldering and/or re-flow process. The moisture that has been adsorbed is likely the ro
Electronics Forum | Thu Sep 25 07:45:41 EDT 2014 | emcglobaltechnologies
Good morning, I hope you are doing well today, please allow me to introduce myself. My name is John Wasserman and I am the Sales Manager for EMC Global Technologies. We manufacture fixtures and tooling for the processing of printed circuit board ass
Electronics Forum | Mon Aug 25 08:15:54 EDT 2014 | jax
With a melting point of roughly 300°C, you would need to have the product see temperatures peaking around 325°C at a minimum. (I would make sure the components and PCB materials can withstand these temperatures) Most convection ovens do not go over 3
Electronics Forum | Wed Aug 27 12:38:48 EDT 2014 | fuji_user_2014
We do a lot of low volume prototypes and several boards that have have cut outs or fixtures that dont always reliably stop squarely at the in carrier (beveled corners). This sometimes results in a fid read error, because the fid wont be in the search
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