Electronics Forum: smt line layout (Page 1 of 199)

DPAK pad layout

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

Solder paste layout

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

smt line - floor requirements

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.

smt line - floor requirements

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

smt line - floor requirements

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

SMT layout for multiple packages

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

Re: SMD/PTH Tantalum pad layout

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

COB module design / layout

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

SMT layout for multiple packages

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

Re: I'm looking to find a traning course for PCB design & layout

Electronics Forum | Sun Feb 15 10:47:16 EST 1998 | SMT-ASSY

In reference to your Email response, we will propose to you in the next few days a course curriculum which we hope you will find of great interest. As we told you we offer courses for assemblers and techs in PTH, SMT soldering, SMT full process using

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