Electronics Forum | Sun Mar 21 08:09:40 EDT 2010 | itzikbs
During PCB bare board inspection we found some deformation on the PCB surface. I appriciate any comment, whom can explain if the boards are problematic or not and whay may casue this phenomena
Electronics Forum | Wed Mar 24 01:22:38 EDT 2010 | itzikbs
These boards had solder mask issues, where manufecter took the boards and said he will rework them. All boards has the same problems as in the picture attached. We rejected the boards, but still I appriciate an explanation what can go wrong if I us
Electronics Forum | Wed Mar 24 12:54:02 EDT 2010 | davef
Ignore the defect * Late 1990s to early 2000s => ICT * Early 2000s to mid-2000s => MDA * Mid-2000 on-ward => AOI
Electronics Forum | Tue Mar 30 02:19:17 EDT 2010 | jooh
Regarding X-ray I was referring to ssager's comment "...X-Ray is only as good as the human eye that is operating it...". I thought x-ray images could be checked by software algorithms to find defects, not only human eye?
Electronics Forum | Tue Mar 23 16:37:23 EDT 2010 | mmjm_1099
Hello all, I am currently looking for either the CMOS chip for one of the smaller pcb boards within this camera or a used graphite camera. Please email me mmartinjr@ymail.com
Electronics Forum | Wed Mar 24 07:10:32 EDT 2010 | aj
Hi all, I would like some recommendations on what machines are best suited to Automated Insertion of plated through hole LEDs. I am sure there are plenty of pitfalls associated with this type of process aswell, so if you could share these aswell.
Electronics Forum | Thu Mar 25 12:34:26 EDT 2010 | bgaguy
the voids will cause a long term relability problem as the part will not be correctly heatsinked. Change your stencil aperature to a "+" sign 15-20 mils wide in the center of the pad. ___________ : | : : | : :----|----: : | : :__
Electronics Forum | Fri Mar 26 03:24:01 EDT 2010 | ravikumarasahitec
Hi, yes we used to see this kind of problem our customer end. This due to stencil aperture opening.these kind of issues we will overcome thorough our stencil process. please contact. ravikumar@asahitec.in
Electronics Forum | Fri Mar 26 09:34:01 EDT 2010 | dyoungquist
What about thermal cycling and/or vibration over the long term? My guess is that with the voids the joint would not be as reliable long term as a joint without the void. Am I thinking correctly?
Electronics Forum | Tue Mar 30 06:27:22 EDT 2010 | ristikas
It happens on the middle of the stecil cleaning. The camera and the cleaner will stay under stencil in half way back. Then machine asking the initate the motors. If to press initate then the pcb stopper will hit the rails. Usually we move camera and
