Electronics Forum | Thu Aug 10 04:20:37 EDT 2017 | Alexei
Hi, We have solutions for your problem that used by many our customers. You can read about our tooling products (see QPlace, QPlace UPD and QPlan) on our website: http://www.proventustech.com. Also you can contact me through email: alexeis@proventu
Electronics Forum | Thu Aug 10 07:29:43 EDT 2017 | stivais
How do you evaluate the soldering quality for those QFNs? X-Ray or AOI? For some QFNs (and other bottom termination components) it's not supposed to have solder fillets on toes. It's also noted in IPC-A-610 (Rev.F 8.3.13). Take a look at your QFN ch
Electronics Forum | Thu Aug 10 12:51:05 EDT 2017 | emeto
I dug this in the past and I couldn't find much as well. It is a short history, as it is all based on a digital camera(first attempts start 80s and 90s). I want to say most of the applications of CMOS and CCD cameras we started seeing around the yea
Electronics Forum | Wed Feb 14 16:23:49 EST 2018 | cbart
do you mean you are seeing deviation in ball size prior to placement? if so i don't know of any spec that would cover this. however provided your ball is within 75% of the size of eachother and you are applying solder paste to the pads and not just t
Electronics Forum | Mon Apr 02 17:15:21 EDT 2018 | warwolf
Its not typical. Our feeders are 8 years old as well we have had 6 or so feeders in the last 6 months, we have over 300 feeders across two machines. They do see a lot of service and nothing lasts forever.. you can keep up with the preventive maintena
Electronics Forum | Sun Dec 17 22:23:46 EST 2017 | jmelson
Well, I fixed it. I had resisted taking the motor off because of the recalibrations that would be required. But, it got bad enough I had to. Under the microscope, I could see copper dust packed between the commutator segments. I removed that, and
Electronics Forum | Thu Feb 15 02:27:51 EST 2018 | ameenullakhan
Thanks for the wishes BOB. I am into process engineering. We don't contact the customer. SMT Line support. Customer might approve also. But our own quality team says its profile issues :(. Will see.what more can be done from our side. Thanks, Ame
Electronics Forum | Fri Jan 12 11:46:26 EST 2018 | emeto
I don't know this exact oven, but usually it goes like that: First is a three phase power, then it is a contactor that is switching the power for the heaters and fans. than there are transformers for lower voltages. then there might be UPS system in
Electronics Forum | Tue Jan 16 12:14:35 EST 2018 | emeto
There is no reason why you can't see these leads clear. Isn't there any way you can play with the lighting? I used to have Siemens machines and I want to say that it was possible. Go on the machine, start editing this shape code and find where you ca
Electronics Forum | Tue Mar 06 08:03:42 EST 2018 | wolverine55
Thanks Don, I will pass this info on to the Maintenance department at the plant where this machine is located. I did see an exec stored in the machine's host computer while it was there, it was under a UIC filename of BC237A. They have new 3.6 volt
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