6 layer PCB???

[pinoy87]

Just wondering what is a 6 layer PCB?

[John Prophet]

Hmm, we had a few threads before on this..it concerns the layers of a motherboard or video card or Ram usually....pcb= "printed circuit board"...usually they are either 4 layer or 6 layer..with 6 being a little better and also more expensive

http://www.techimo.com/forum/showthr...=pcb+and+layer

and http://www.techimo.com/forum/showthr...=pcb+and+layer

JP

[joker_927]

Printed Circuit Board that has 6 layers of "paths"

right?

[John Prophet]

Like a sandwhich with 6 slices of bread...that way each slice has circuit traces running thru it and the traces can be shorter since they dont have to snake around as much.

Also 6 layers obviously is better at dissapating heat and is stiffer so that vibration doesnt affect it as much.

JP

[pinoy87]

Thanks for the quick replys everyone.

So 6 layer is better.

I got a good deal on my MSI K7N2 Delta-L then, it has 6 layer PCB and 4 phase power regulation, for $80.

[Peter M]

No, folks.

Six layers isn't inherently better.

In PCB design, you always try to cope with as few layers as possible. Now, if you're packing too much stuff onto a board, and/or packing things too tight, the required traces won't fit onto the number of layers you usually have, so you have to introduce another slice to the sandwich, will say two more signal layers.

Now, while this is just a technical necessity you don't take when you don't have to, the marketing folks have turned it into a proof of quality thing.

It isn't. In fact, the more layers a mainboard has, the more difficult will its manufacturing become.

The number of layers affects the price, that's all. Now since the marketing guys want us to think that more expensive equals better quality, there's your ploy.

[John Prophet]

hmmm..isnt most of the military grade stuff 6 layers though?

[joker_927]

$500 for a hammer.