Electronics Forum: hydra and reference (Page 6 of 14)

MPM Accuflex questions and issues

Electronics Forum | Tue Mar 06 06:58:29 EST 2018 | griinder

Thank you guys for your help and detailed explanations. I have successfully been able to teach pads as fids. The camera view is very annoying, but manageable. Especially when teaching inspection positions. On the momentum's we can use Gerber EZ Teac

PCB and component handling guidelines

Electronics Forum | Fri Feb 18 09:41:44 EST 2000 | James Lewis

Has anyone seen or put together a good collection of proper handling procedures for components and PCB's? I realize a lot of it is no-brainer stuff, but I need some depth for a training class we are putting together. This would include ESD, Moisture

PCB and component handling guidelines

Electronics Forum | Fri Feb 18 09:41:44 EST 2000 | James Lewis

Has anyone seen or put together a good collection of proper handling procedures for components and PCB's? I realize a lot of it is no-brainer stuff, but I need some depth for a training class we are putting together. This would include ESD, Moisture

BGA's and the Fuji IP2

Electronics Forum | Fri Jul 12 11:15:00 EDT 2002 | soupatech

I did the search for "lizard" and found a few references but..... WHAT IS IT? I will look into getting some dummy tape and reel BGA's. I just took over this dept. and I am still trying to get an inventory of what size and type feeders we have. It d

Manufacturing and test room cleanliness

Electronics Forum | Tue Jan 23 10:15:44 EST 2007 | slthomas

J-STD-001C just requires that the area not be so dirty as to contaminate your product, tools, workspace, etc. If you start counting particles, you're into cleanroom territory. Do a search on ISO 14644-1 for specifics. Actually Wikipedia does a ni

Printer and Reflow Oven Recommendations

Electronics Forum | Wed May 20 22:45:18 EDT 2015 | dinhhuunam

Hi Cohlmann, I'm Recommendations for You SJ INNOTECH PRINTER . sj is Global NO.1 Vision Screen Printer High Performance ,Vision Screen Printer & Best Solution & Service for You Detail Please Refer the Spec in Website http://sjinnotech.com/ht_ml_eng/

Re: solder balls and flux

Electronics Forum | Tue Feb 29 21:53:46 EST 2000 | Kelvin Chow

Dear Robert, On PBGA assembly, BGA sphere shrinkage number depends to the following factors, a. BGA Sphere size (before reflow) b. Solder mask opening diameter As far as I know, no formular has been established yet. Most of my friends just collect

Re: solder balls and flux

Electronics Forum | Tue Feb 29 21:53:46 EST 2000 | Kelvin Chow

Dear Robert, On PBGA assembly, BGA sphere shrinkage number depends to the following factors, a. BGA Sphere size (before reflow) b. Solder mask opening diameter As far as I know, no formular has been established yet. Most of my friends just collect

Bow and twist of PCB's

Electronics Forum | Fri Apr 20 05:32:39 EDT 2001 | dougie

Hi, I've just splashed out �60 on IPC-A-600F trying to find out the formula for measuring the bow and twist of raw PCB's. Much to my dismay there are 10 lines on the subject in the whole standard. Worse still is that it tells me nothing I don't alre

Desiccants and pcb finish degradation?

Electronics Forum | Wed May 16 08:48:12 EDT 2001 | ohboy

I been a bunch o' places...! Some good, some bad, re-inventing the wheel in many cases. Our specs are pretty specific in a lot of cases, but that doesn't mean they always get followed. It usually becomes a case of "It's not quite right, but we rea


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