Electronics Forum | Sun Oct 09 16:57:30 EDT 2016 | davef
IPC 2222A Sectional Design Standard for Rigid Organic Printed Boards, 5.3 Design Requirements for Printed Board Assembly
Electronics Forum | Tue Nov 01 12:28:36 EDT 2016 | comatose
It depends. Are you hand breaking them, rotary knife or linear knife? Hand break you want to be about 5mm (and it isn't a great practice even then) with a rotart knife you want to keep parts probably 3mm, especially capacitors. With a linear knife we
Electronics Forum | Sat Nov 05 20:23:11 EDT 2016 | sarason
Close but not to close, would have to be the spec. Or depends on your separating technology. Prerouted boards on a panel, you could go right up to the edge. V-grove you will need more distance, maybe 2mm's or more. The distance from the panel edge to
Electronics Forum | Mon Nov 30 02:15:29 EST 2015 | andrei8686
For PCB prototype, I strongly recommend pcbway(http://www.pcbway.com/q I always buy pcbs from them. Buyers have coupons to save cost. The boards are pretty good with high quality. I also appreciate their delivery time. I think about making thousands
Electronics Forum | Fri Dec 23 06:09:04 EST 2005 | Slaine
good report showing lots of sections and compairng differnet pcb finishes http://www.smartgroup.org/experience/experience%20report%202005.pdf
Electronics Forum | Fri Dec 23 23:29:17 EST 2005 | azbvc
Slaine, thank you for sharing..
Electronics Forum | Sat Dec 24 08:26:41 EST 2005 | GS
Thank you, very intersting. Seen they've experimented also Sn Cu Ni on wave solder. Rgards............GS
Electronics Forum | Tue May 05 08:57:14 EDT 1998 | Cunli Jia @ SMTnet
Everyone, The PCB Capital Equipment Mart has been open to the public since Monday, May 4. This new service was designed for you, the equipment vendors and users, with input from some of you. All of you can post free ads of quipment for sale or wa
Electronics Forum | Mon Nov 12 16:14:47 EST 2001 | davef
Yes!!! How can we assemble boards with 20 pitch when we allow 0.008� error to the master art? Excellent question!!! IPC-D-300G has nothing to do with assembler requirements. It is written by and for fabricators, so that they can be comfortable.
Electronics Forum | Wed Mar 12 09:31:55 EST 2003 | MA/NY DDave
Hi Greg, You sound like a buyer or procurement professional. Everything you listed is OK, and more or less. Quite often Engineering Design or Product Management in the OEM establishes what they feel are some of the basic T&Cs. I guess I would ask
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