Electronics Forum | Fri Feb 17 09:08:22 EST 2017 | davef
An interesting paper on the topic is "The evolution of surface finishes in mobile phone applications" by Claus Würtz Nielsen at Nokia Mobile Phones R&D [http://www.cicmt.org/adv_micro/papers/Nordic2004paper.pdf] The paper reported corrosion problem
Electronics Forum | Thu Aug 31 11:16:53 EDT 2017 | hxamalia
Hello ALL Good day , it is Amalia from HX Circuit Technology Co.,Ltd in China, we are a prefessional PCB factory with many years. We are focusing on quick lead time for PCB with good service . please contact with me now ,thanks Email: amalia@hx-c
Electronics Forum | Tue Feb 21 03:20:57 EST 2017 | pcbcart
We're a custom PCB manufacturing services provider based in China and we have made many high quality circuit boards for high end products. Based on your project requirements and our years' experience, we are positive that ENIG is totally sufficient.
Electronics Forum | Tue Feb 21 01:32:49 EST 2017 | soldertraining
Looking for advice on soldering lead free paste to a board with very heavy gold plating, In my opinion, Gold contact surfaces are often used on circuit boards with membrane switches which is a choice of technology for industrial, commercial and consu
Electronics Forum | Fri Jan 11 05:15:32 EST 2008 | tacho
Hi, Stano and hi everybody. I am a new boy here, but I will try to solve Stano's problem. Switch off the bridge button on ERSA.The location of this button is on the right side of the alarm and under +/- buttons. In your case this button is lighting i
Electronics Forum | Tue Feb 12 08:42:56 EST 2013 | bobpan
I hope you realize that you can pocket position the part so that it is in the center of the beam on the feeder. To do this.... 1. press both buttons (light go out) 2. press rear button 3 times 3. Then use front button to position part 4. The press re
Electronics Forum | Mon Aug 31 03:24:54 EDT 2020 | jmelson
I don't know this exact machine, but it likely has similar logic to some other Samsung machines. The E-stop buttons have TWO sections. One shuts off the "main start" button, the other informs the computer that the button has been pressed. If you d
Electronics Forum | Wed Jul 20 18:08:35 EDT 2016 | freakshow
any help is much appreciated, I keep getting a random shutdown, sometimes a few minutes sometimes after a few hours. "emergency Stop, Please check the stop button" of course no one is touching the stop button and the button does not seem to be faulty
Electronics Forum | Fri Dec 14 10:59:23 EST 2001 | Donald C. Burr
We are considering converting from a water wash wave solder porcess of carbon ink touch pad buttons to a no-clean process. Since the carbon ink buttons are exposed to the molten solder, we are concerned about the residue that is left behind from the
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