Electronics Forum: 26.00 (Page 5 of 7)

Solder void underneath the mosfet

Electronics Forum | Fri Mar 26 00:57:05 EDT 2010 | 89jeong

Hello Sir. We also have faced a same problem. At that time, we had to repair it because we could not find any solution. But in our experience, the void underneath FET was more severe whenever we used the FET that have been made long time ago. It is

SMT Component Polarity Guide

Electronics Forum | Mon Aug 26 00:17:32 EDT 2013 | alexeis

Hi, After you got datasheets of component shapes (only new one) and enter it to SMT machine library (including Polarity Mark and Position), you can use our software to simulate and fix all angles. Also, our software has tools to add Polarity informa

low thermal emf solder & paste - SAC 405

Electronics Forum | Mon May 12 04:26:00 EDT 2014 | gazelle

Hello - I am looking for a source to supply low thermal EMF solder - can anyone provide pointers ? In the past a cadmium - lead alloy was used for this, but these are banned (RoHs) ... - the aim is to minimize thermo-couples on a very sensitive 4 lay

Questions you would ask if someone said they had a 3D printer for professional multi-layer PCBs?

Electronics Forum | Thu Feb 26 00:45:40 EST 2015 | fantasy728

We're developing a 3D printer for professional > multi-layer PCBs with 3-4 Mil. traces. What > concerns or questions would you have about such a > system? Are you from Voltera company? I just writed a blog about 3D printing of PCB in my website:

CGA devices - placement and vision

Electronics Forum | Mon Feb 26 16:26:00 EST 2001 | jax

I have not placed these parts in a while but when I did Universal was the machine that did it. We were able to place these parts using a 1mil flat( upward looking camera) inspecting all columns. The problem is a 100% column recognition is not possibl

Re: HSP 4796 Chip Shooter

Electronics Forum | Mon Jul 26 00:20:50 EDT 1999 | HERMAN

| Has anyone had the experience of losing components after they have been placed by the HSP 4796 because of table movement. I've worked on the 4760s, 4780s, and 4785. I don't know if this is a problem or not. We are trying to determine if this a poss

Recomendations? Fuji CP7 or Univ HSP4797?

Electronics Forum | Wed May 26 00:41:31 EDT 2004 | fastek

I don't think you can go wrong with either choice. Couple of other things to consider: 1) Are both machines similar in price? 2) CP-6 feeders will work on a CP-7 although the larger pans need to be changed. Used CP-6 feeders go for about $175 on av

Convertion

Electronics Forum | Tue Jul 26 00:58:11 EDT 2005 | grantp

Hi, It really depends on what your measuring. If it's water, then that has a specific gravity of 1, so with the metric system 1 Kilogram of water is equal to 1 liter of water. That's nice the way they did that. The conversion from 1 US Gallon to 1

Solderality problems with SN100C Lead Free Hasl

Electronics Forum | Tue Sep 26 00:42:36 EDT 2006 | fctassembly

Hello Brad, I think Greg is a mind reader!! Thanks for the opportunity to give an update to the forum on SN100CL Lead Free HASL. Conversions to SN100CL HASL is occuring at a rapid pace worldwide. As of July 2006, there were over 250 HASL machines ru

Anyone familiar with leadsmt's LED-1204T

Electronics Forum | Wed Feb 25 09:26:00 EST 2015 | spoiltforchoice

No, I'm not sure you will find anyone outside of China (well maybe Iran). You keep seeing many remarkably similar Chinese machines pushed on forums, eBay etc but I have never encountered anybody saying they had one. Neither have I encountered any equ


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