Electronics Forum: had (Page 40 of 728)

DEK Horizon 03i

Electronics Forum | Wed Sep 17 10:28:05 EDT 2014 | travishemen

We had a Dek 265 LT that had a similar issue. We suspected it was a bad cable going to the camera as the issue always seemed to show up in the same X Y location. Have you tried swapping fiducial 1 and 2 to see if it is always the first fiducial or

Enquires regarding qualification of Parylene Conformal Coating

Electronics Forum | Wed Dec 17 09:41:24 EST 2014 | dragonslong

1 x 10^10 ohm. Can i use the same specs? 2) Similarly, do anyone have a guide of the pass/fail criterion for the DWV measurement for parylene on IPC-B-25A board? I had check the Mil-I-46058 test standard which had a pass/fail criterion of

Can anyone tell me that between Mirtek & Kohyoung which AOI machine will be better and why?

Electronics Forum | Thu Feb 12 14:45:10 EST 2015 | barryg

I can only speak for Mirtec, and no I am not affiliated with them at all. We have had a Mirtec AOI for at least 9 years. We have never had any major issues with it. There support is very good and usually they get right back with you if you cannot get

X Tek Xray inspection HMXST-160 error

Electronics Forum | Thu Jul 30 10:59:05 EDT 2015 | emeto

Hi, I had similar problem on my Dage X-ray machine. I had to reinstall the firmware for the Nextmove card. Check your CDs you have with the machine and you should have a software(and manuals) which you will use to reinstall the firmware on your cont

DPAK's sliding off pad during reflow

Electronics Forum | Tue Aug 11 09:48:22 EDT 2015 | samputrah

We have had two jobs that have the same issues with DPAK's sliding off their pads during reflow. We tried to resolve this by placing epoxy on the side of the component to create a "dam". However this is not repeatable enough to be a quality resolutio

Halogen-free Solder Re-flow Quality Issues

Electronics Forum | Mon Aug 24 22:27:52 EDT 2015 | sarason

Your solder looks like it hasn't had time to reflow. Are`the pictures of an aluminium substrate ? So just positing a theory your boards need more soak time, the solder seems to have formed little hills/mountains and then cooled off before the surface

Black mask on an AOI machine

Electronics Forum | Thu Jun 02 08:21:57 EDT 2016 | buckcho

I will tell from my personal experience - I used Omron VT-RNS and it had issues, like the previous post. 0402 components, transistors and SMA's had problems, but when you have experience you can come up with some additional ideas (like look for the t

85K grant. How best to use?

Electronics Forum | Fri Jun 03 09:15:47 EDT 2016 | designhaus

I had this long post typed up and then I re-read > your post. No used equipment? Like others have ... I wish you had posted your reply. Any feedback is welcome. As I said, we can pour more money into this if we can justify it. 85K grant is nice, b

Juki / Zevatech 740 service manual

Electronics Forum | Tue Oct 18 14:38:47 EDT 2016 | muzzy

Just for a future reference: we managed to fix our machine. The problem was related to hard disk drive, we had to replace HDD, expansion card for HDD and motherboard. They were all fried, probably due to some kind of voltage spike. The LEDs itself ha

Chip Component Stacking

Electronics Forum | Tue May 02 16:37:16 EDT 2017 | travishemen

Our customer wanted us to stack two chips but I convinced them to let us place them side by side on the same pads. It had the same effect. They were 0603 size components and the pads were big enough that they still passed IPC for solder quality. I


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