Electronics Forum | Fri Apr 17 21:34:02 EDT 1998 | D.Lange
| Hello Ya'll, | I've got what may be a silly question, but why does it seem so important to everybody that you have x-ray capability if you're thinking about doing BGA? | I know what most people will tell me; "Steve, that's a pretty silly qu
Electronics Forum | Fri Jan 12 09:04:18 EST 2007 | Cal
For insurance purposes we verification... Here is a snippet from Glenbrooks website. From http://www.glenbrooktech.com Design Safety Standards The design safety standards pertaining to Industrial X-ray Inspection Systems can be found in "Code of
Electronics Forum | Tue Nov 30 21:23:55 EST 1999 | cklau
hello; When we are doing component land pattern design , one thing will always be in our mind; that is the basic criteria or common land pattern design guideline for reflow and flow solder assemblies. For basic fomula in calculating resistors are:
Electronics Forum | Wed Jan 26 15:55:31 EST 2005 | davef
There is: * NO information to indicate leadfree solder is at all reliable regardless of class of operation. * NO material model for leadfree solder, whereas the model for lead solder was developed over many years back during a time when companies be
Electronics Forum | Fri Mar 11 09:42:07 EST 2016 | oxygensmd
I am trying to decide how to best dispose of our > old running Siemens equipment. I would like to > get something for them but I am not sure who > needs these older machines I have about 8 > available; any ideas guys? > I am trying to decide ho
Electronics Forum | Thu May 12 00:18:55 EDT 2016 | darby
Sorry for delay - been flat out. Sr - I understand what you are saying. My concern is that combined with the head offsets and variations in pick points (i.e. having to teach feeder positions for very slight amounts like 0.05mm)then you cycle times wi
Electronics Forum | Mon Oct 24 05:43:52 EDT 2016 | zxcvb
I have many PCBs that use an AVR in SMD packaging, and since I frequently change the firmware in prototype boards, I'm trying to come with the best solution to program the AVR quickly and easily. The first approach was to have a standard header (2x5
Electronics Forum | Thu Sep 23 08:47:25 EDT 2021 | majdi4
1)Though in many cases the difference between SAC305 and SAC405 was small,and not always statistically significant, it was observed that SAC405 generally outperformed SAC305 joints. Under 0°C to 100°C thermal cycling,no statistically significant
Electronics Forum | Fri Mar 15 19:43:22 EDT 2024 | bclaycomb
Hello everyone, Last year, our company ventured into the SMT arena to manufacture PCBs in-house for our products. We've been utilizing two Neoden 10 pick-and-place machines in series. However, as we grow, we've encountered some limitations with our
Electronics Forum | Thu Jun 24 12:43:08 EDT 1999 | Earl Moon
| | Recently, there has been an upsurge in the Pin Hole/Blow Hole problem in our wave soldering process. We are baking the PCBs for 2 Hrs. at 125 degree C. The Wave Soldering profile seems to be O.K. Still the problem is persistent. Can somebody h
