Electronics Forum: footprint (Page 6 of 41)

Thermal Relief BGA footprint design - traces - reflow

Electronics Forum | Wed Jun 04 00:13:18 EDT 2008 | operator

Very informative article. Thanks Dave.

Deciding On pad size using just the component footprint

Electronics Forum | Thu Jul 22 15:35:43 EDT 2004 | C.W

have you searched thru the component spec.? the component manufacturer should have the foot print guide line.

Thermal Relief BGA footprint design - traces - reflow

Electronics Forum | Tue Jun 03 22:54:54 EDT 2008 | davef

This might be a good starting point for you: http://pcdandf.com/cms/content/view/3760/95/

Thermal Relief BGA footprint design - traces - reflow

Electronics Forum | Tue Jun 03 12:29:58 EDT 2008 | slthomas

We don't build anything with BGA yet so don't have this standard but IPC-7095B, Design and Assembly Process Implementation for BGAs would be a good place to start. I don't know for a fact that it contains info. that applies specifically to your iss

Thermal Relief BGA footprint design - traces - reflow

Electronics Forum | Tue Jun 03 13:25:46 EDT 2008 | slthomas

I'm in the same boat and have to pay a little more for the standards I insist on having. You just have to work on your sales pitch a little to convince the powers-that-be that you need it. Just tell them the difference is about $50k/year in scrap and

Deciding On pad size using just the component footprint

Electronics Forum | Thu Jul 22 12:02:52 EDT 2004 | lloyd

I'm currently having issues with a 28 terminal MLP package. I have only recently started in a new company and it seems as though the manufacturers guide lines as to pad geometry do not work (at least for us). So I now have a situation where I have 4

Deciding On pad size using just the component footprint

Electronics Forum | Sat Jul 24 09:06:40 EDT 2004 | davef

We believe that many manufacturers' recommended pads should be close to the last resort. Recommendations are: * Standardize with the IPC guidelines or those by Jim Blankenhorn [ smtplus.com ]. Anyone that wants to change from that standard needs to

What is the IPC std. number for micro BGA PCB footprint ??

Electronics Forum | Thu May 25 09:30:32 EDT 2000 | Roni Haviv

Hi, Can anyone tell me what is the IPC number that deals with the footprint of BGA and micro BGA on the PCB ? Thanks Roni

Re: What is the IPC std. number for micro BGA PCB footprint ??

Electronics Forum | Thu May 25 21:38:06 EDT 2000 | Dave F

Roni: IPC won't help you. There is no standard. Consider your supplier and all your friends at SMTnet as the only things that will allow you to keep hold of that slender thread that you hold while twisting in the breeze. If you didn't have them b

Package outlines and footprints

Electronics Forum | Sat Jun 12 10:59:59 EDT 1999 | WillyW

Is there public domain information available on standard surface mount package outlines and footprints? Thanks, WillyW


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