[Work in progess] Burnins Avalon Chip to mining board service - page 136.

SebastianJu

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Great update burnin!

Quote from: fasmax on June 28, 2013, 06:18:42 PM

The holes are copper plated and conduct heat to the backside of the board where the heatsink will be placed.
I am just wondering if it would be better to have no solder mask directly under the ASIC chips heatsink side of board.

But i dont see any copper at the heatsink side of the pcb. How should the heat be transported to the heatsink? Is the thermal compound thought to fill in the holes, and find the way to the copper and find contact to the heatsink this way? I thought it would be better to have as much metal as possible transport the way from the chip to the heatsink and having a good contact with the heatsink.
Im not a tech guy so i wonder...

fasmax

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Excellent!

chanberg

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SICK update!!!

burnin

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ALTCOM Ab9upXvD7ChnJxDRZgMmwNNEf1ftCGWrsE

Quote from: tigerbit on June 28, 2013, 08:41:03 AM

Onto what we'd like to see in the thread..

We've seen naked board pron, but what about a little beauty all blinged up with components and cheeky little ASICs Cool

Be careful what you wish for, it might become true.

Solder paste Jet Printer - no stencils needed

Pick and Place my Jobs was run on

Pick and Place assembly of my board

Soldering in vapor phase.

Big black mean machine, does 20.000 components per hour.

I am literally DEAD now, I need sleep.
But the first tests show all power supplies working as expected, no magic smoke escaping, and thats what electronics is all about.

fasmax

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The holes are copper plated and conduct heat to the backside of the board where the heatsink will be placed.
I am just wondering if it would be better to have no solder mask directly under the ASIC chips heatsink side of board.

SebastianJu

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Quote from: burnin on June 27, 2013, 05:36:32 AM

Quote from: fasmax on June 26, 2013, 05:19:22 PM

Hopefully burnin receives the Printed Circuit Boards soon.

You want PCB, you GET PCB!

Gold plated swag!

I wonder why are there something like holes under the asic-chip-places? I know bkkcoins used vias to transport heat from the chips to the heatsink through the pcb. But here it looks like there are only empty holes and at the back side there is only bare pcb which is a very bad heat conductor. So are these holes filled with vias and its only not seeable?

Eisenherz

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Quote from: burnin on June 27, 2013, 05:36:32 AM

You want PCB, you GET PCB!

Gold plated swag!

More pr0n, please! Grin

FullFathom5

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See page one of this thread. Two bullets of interest. First is about halfway down describing how/when website will go up. The second is a link at the bottom so you can register for newsletter.

Quote from: badalien on June 28, 2013, 11:03:32 AM

is the website from burnin online ?

badalien

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BestRate.org

is the website from burnin online ?

f.baasch75

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yes, give me that "bling bling" please Cool

tigerbit

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Quote from: alexuk on June 28, 2013, 08:29:01 AM

21 boards here

Guys, don't clog up the thread with this stuff.

The order website is all that's required.
Unconfirmed pledges in this thread are meaningless.

Onto what we'd like to see in the thread..

We've seen naked board pron, but what about a little beauty all blinged up with components and cheeky little ASICs Cool

alexuk

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21 boards here

mike2kt

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Quote from: tarmi on June 28, 2013, 04:07:26 AM

I can confirm 40+ boards.

ditto! I can also confirm 40+ boards for myself.

f.baasch75

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burnin will get confirmation from his website orders,
and the information if orders are paid or not.

can't wait until it starts Cheesy

tarmi

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I can confirm 40+ boards.

dan99

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Quote from: Schrankwand on June 28, 2013, 03:21:22 AM

Quote from: burnin on June 27, 2013, 10:25:02 AM

glad you like it. Grin

Those boards did cost me a fortune though ~13BTC + ~5BTC in parts + ~5BTC for the assembly tomorow.
Development work with these schedules is expensive.

At least you can be sure that to make that money back. Wink

will be much better if everyone can confirm the quantity so he can order in bulk and get cheaper pricing.

Schrankwand

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Quote from: burnin on June 27, 2013, 10:25:02 AM

glad you like it. Grin

Those boards did cost me a fortune though ~13BTC + ~5BTC in parts + ~5BTC for the assembly tomorow.
Development work with these schedules is expensive.

At least you can be sure that to make that money back. Wink

f.baasch75

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Quote from: burnin on June 27, 2013, 11:35:11 AM

That was the cost for 3 PCBs in express service.
Had to improvise because my assembly house was supposed to order them 2 weeks ago and just didn't. Sad