Electronics Forum: bridge (Page 94 of 104)

Using an AOI for TH solder checks

Electronics Forum | Thu Aug 08 11:58:25 EDT 2013 | rway

I am not that familiar with the older systems. The software should be supported on both old and new alike unless you are limited by the operating system, but the camera will obviously have a lower resolution and perhaps the filtering is not quite as

how to learn PCB design

Electronics Forum | Mon Jul 08 22:03:39 EDT 2019 | eddy2019

Many beginners do not know how to start learning hardware circuits. In fact, the "hardware circuit" is composed of a part of the "unit module circuit". The so-called "unit module circuit" includes: various regulated power supply circuits (like the LM

LED lifted soldering defect

Electronics Forum | Tue Dec 03 18:51:57 EST 2019 | kylehunter

Hi all, We are having a confusing defect with one of our client's boards. It is a large board, 30" x 12". The client supplies the LEDs, they are cheap overseas diodes, and it is not uncommon to have reels with the packaging torn. We have w

Wave soldering - black residue / bridging

Electronics Forum | Fri Dec 27 17:40:55 EST 2019 | rgduval

Using no-clean flux will make the boards very difficult to clean. If you can switch to water soluble flux, your life will be much easier. The "icicles" lead me to think that the board isn't getting hot enough in the pre-heat cycle, and/or there isn

Short circuit tracer/finder ?

Electronics Forum | Wed Feb 19 12:59:59 EST 2020 | jerlong2020

Hi John, We had a FLIR system with interchangeable lenses and good thermal resolution for the time (15 years ago). I see the new ones now at a fraction of the cost which we paid and they have better resolution. Amazing how the infrared imaging tech

Re: Off Pad Printing

Electronics Forum | Wed Jun 30 10:00:33 EDT 1999 | Mcox

| | | | | | | | snip | | | | | | | | | John and Dave, | | | | | | | | | | Again, I don't work with larger chip devices with this issue. The company I now work with developed a strategy, based on considerable research (as others of us did in the pa

Re: Off Pad Printing

Electronics Forum | Wed Jun 30 11:07:16 EDT 1999 | Earl Moon

| | | | | | | | | | snip | | | | | | | | | | | John and Dave, | | | | | | | | | | | | Again, I don't work with larger chip devices with this issue. The company I now work with developed a strategy, based on considerable research (as others of us d

Re: BGA repair/rework

Electronics Forum | Mon Mar 08 05:11:36 EST 1999 | Earl Moon

| | | And on it goes. Again, I can't thank you enough for your time. I will call you soon as others probably find this rhetoric a bit much. | | | | Earl Moon | | | Earl and Dean, | | No,no,no...please continue here. I've been gratefully rea

Rating SMT Machines

Electronics Forum | Sun Oct 20 23:22:27 EDT 2002 | Hi TECH

Hi all, > > I am doing some research on SMT > machines. I would like as many people as possible > to rate the following machines 1-5. The number 1 > would be the best, number 5, the least desirable > of the 5. I realize that there are dozens of

Inspection Machine Capability

Electronics Forum | Wed May 09 03:29:16 EDT 2001 | Eyal Duzy

Yes, your observation is accurate. Different process steps have different inspection requirements which necessitates employing different imaging technology to ensure the best performance (detection and throughput). Orbotech, for example, offers both


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