Electronics Forum | Fri Nov 17 15:04:59 EST 2006 | ehess
WE have a problem with a DPAK component floating during reflow, causing it to move to the point where it affects the toe fillet. We have been using a dot of SMT epoxy to hold it secure for the moment. I have looked on many sites, but no whrere can
Electronics Forum | Thu May 10 16:17:59 EDT 2001 | davef
I am unaware of any industry standard for specifying apertures for SM stencils. I am aware of IPC-7525, Stencil Design Guidelines. You can obtain it from IPC [http://www.ipc.org]. Further, it seems like there is an article on stencil design ever
Electronics Forum | Fri Sep 18 07:59:38 EDT 2015 | mun4o
Thanks FCM, we remove the metal plate and make a new ferro-concrete base.Under foot put ESD rubber.Now machine working perfect - without any vibration. Thank you very much and success.
Electronics Forum | Thu Aug 27 09:58:45 EDT 2015 | fcmtechnician
Hi Take out the steel plate, is acting like a trampoline, oscillating with the machine movements! Is the machine leveled OK? The installation guys use 0.02/1000 Spirit Level ( leveler )? Let the machine on the concrete floor, try first on the top o
Electronics Forum | Fri Aug 14 07:52:03 EDT 2015 | mun4o
Hi all, 2 weeks ago we installing a new P&P machine - chip shooter.But , after installation proved that vibration of the new P&P arе very strong.If I use mashine to 100% of the speed the machine vibrating and after 2-3 panels moving 3-5 mm.The machin
Electronics Forum | Fri Apr 27 11:26:53 EDT 2001 | pteerink
Check out IPC SM-785 Land pattern guidelines for SMT www.ipc.org Phil
Electronics Forum | Tue Feb 02 10:56:53 EST 1999 | Justin Medernach
| Would anyone have experience or information on where I could find pad geometry for tantalum capacitors that can be surface or plated thru hole mounted. | Yup, Check out IPC-782. That's got all the info on land geometries that you'd be looking f
Electronics Forum | Thu Oct 26 14:41:33 EDT 2000 | Derek Vanditmars
We are planning on replacing a SMT 100Pin QFP with a COB module that will have two dies that are functionaly equivalent to the old part that will not be available. Questions: 1)Suggestions on substrate material FR-4 or something better? 2)Are there d
Electronics Forum | Thu Apr 26 18:39:45 EDT 2001 | jagman
I'm looking for information (links) to pad design and layout spec's for different sized passive SMD's. To be specific, 0603, 0805, 1206 and 3216 sized parts. I'm most interested in finding out about land spacing between two parts. What is accepabl
Electronics Forum | Sun Feb 15 10:47:16 EST 1998 | SMT-ASSY
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