Electronics Forum: 12.2 (Page 1 of 1)

BGA voids

Electronics Forum | Wed Jan 15 23:32:36 EST 2003 | tinson

How about section 12.2.12 of IPC-A-610C? It doesn't include detailed description of root cause/effect but acceptance criteria.

Limit Cisco 2960S switch Port Rate

Electronics Forum | Thu Jun 12 00:20:41 EDT 2014 | jasmine01

How to limt my Cisco WS-C3560X-48T-S switch port to 128kb which running 12.2(55)SE3 ? Could anyone help with the IOS commands needed to achieve this ?

Limit Cisco 2960S switch Port Rate

Electronics Forum | Thu Jun 12 00:27:29 EDT 2014 | jasmine01

How to limt my Cisco WS-C3560X-48T-S switch port to 128kb which running 12.2(55)SE3 ? Could anyone help with the IOS commands needed to achieve this ?

Microvias

Electronics Forum | Wed Aug 18 02:17:37 EDT 2010 | tennythomas

I heard that one can create the stacked/staggered microvias in the layers 1-2 & 2-3 and skip microvia in the layer 1-3 of 6 layer stack up, when the prepreg is between layers 1 & 2 and the other prepreg is between the layers 2 & 3. I want to know w

Crystalized Flux under BGA

Electronics Forum | Tue Aug 03 16:52:41 EDT 2004 | Dreamsniper

Hi, What contributes to the above? I've got some BGA solder joints with a crystal like flux attached to it like a mini solder ball but do not have a perfect round shape. I had my aqueous cleaner's DI water sent for analysis and everything looks okay

Goldfinger protection

Electronics Forum | Fri Jan 02 17:47:21 EST 2004 | gpaelmo

Yes, We have done away with masking with kapton 8 yrs ago. As long as the goldfingers are leading edge you can use one of these: 1. rubber goldfinger boot/glove - contact east use to carry them...don't know if they still do. 2. fiberglass glove - ma

CAM350 v12, DFMStream paste mask checks

Electronics Forum | Tue Apr 18 07:46:30 EDT 2017 | pavel_murtishev

Dear PCBFOX, I use CAM350 v12.2 build 1135. I am trying to use CAM350 DFMStream module for paste mask layer check. Examination I am interested in most of all is "Paste Mask Layer Check - Missing Paste Mask on SMD Pads (MP)", i.e. missing stencil ape

Reflow oven recommendation

Electronics Forum | Fri Nov 12 13:07:45 EST 2010 | G8reflow

Hi, The focal point of my research has been to recommend a reflow oven and develop a process for a small to low-medium production SMT soldering with the following considerations. - Lead-Free - Low to low-medium production - Forced Convection reflow

Universal GSM 2

Electronics Forum | Mon Oct 20 14:56:51 EDT 2014 | rgduval

Progress!! Somehow, this morning I was able to get things almost working. I swapped cards 1 and 2 back, and then back again, so, in the same state as my last reply...set the default settings for the axes configuration...then, verified the addresses

Voids in SMD reflowed solder joints

Electronics Forum | Tue Jul 02 02:50:55 EDT 2002 | ianchan

Hi mates, was going thru the IPC-A-610C Standards, and noted BGA voids stands somewhere between 10%-25% voids permissible in the solder "ball" bump, after reflow process. Was wondering, hypothetical case study, is there any specification for voids

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