Electronics Forum: 0.8mm and vias (Page 1 of 10)

Design rule for vias

Electronics Forum | Wed Dec 06 21:28:12 EST 2006 | davef

It's worse than just using the test equipment manufacturer guidelines. Along with that, you have to deal with each of the test fixture fabricators' preferences as well. What this boils down to is a negotiation with the test engineering group as to w

what's the difference between a thru vias and a blind via?

Electronics Forum | Fri Jul 30 14:16:11 EDT 2004 | C.W

For VIA In PAD design, what's the difference between a thru vias and a blind via? thanks' chester

what's the difference between a thru vias and a blind via?

Electronics Forum | Fri Jul 30 14:21:36 EDT 2004 | C.W

what's the difference between a thru vias and a blind via?

what's the difference between a thru vias and a blind via?

Electronics Forum | Fri Jul 30 16:41:14 EDT 2004 | Dave

Consider a 6 layer board. The Through via gets drilled from top layer to bottom layer. All 6 layers has the hole drilled in it. A blind via is a via that does not got through the entire 6 layers. It would go from layer 1 to layer 2. or layer 6 to lay

what's the difference between a thru vias and a blind via?

Electronics Forum | Mon Aug 02 11:49:02 EDT 2004 | jbabson1

Blind vias are just that. They do not show on the surface sides of the pwb.

what's the difference between a thru vias and a blind via?

Electronics Forum | Sat Jul 31 17:27:50 EDT 2004 | C.W

thanks! So, why via in pad design is implemented? what's the advantages of it?

what's the difference between a thru vias and a blind via?

Electronics Forum | Mon Aug 02 13:46:10 EDT 2004 | Bob R.

Via in pad lets your layout guy run traces on inner layers so there's more more area available on the outer layers for placing parts, test point, etc. There are also electrical advantages due to shortening paths, but I'm just a simple mechanical eng

what's the difference between a thru vias and a blind via?

Electronics Forum | Fri Jul 30 16:12:12 EDT 2004 | davef

Search for "SMT Terms and Definitions" in the "Library & Bookstore" tab in the light blue area on the left of your screen.

via tenting and pluging

Electronics Forum | Fri Nov 03 02:32:56 EST 2006 | shivam

HI ALL, can anybody clear me what is via tenting and via pluging?? second one, if i use via in pad for an.5mm bga what care i should taken, what should be the soldermask open in top and innerlayers for via?how it will directly connect to top layer

via tenting and pluging

Electronics Forum | Fri Nov 03 07:28:27 EST 2006 | davef

Via filling methods are: * Tenting * Plugging * Capping * Flooding Tented Via. A via covered with dry film soldermask; the via is not filled. When tenting from both sides there may be issues with trapped air that expands during mass soldering. Plug

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