Hi, anyone had any good (or bad) experience with proto board sources that can do 8mm (5/16") thick boards?
I've got one quote, but it seems pretty high- and I'm not that impressed with the (US based) middleman for the PRC factory.
Quality is important, quantity is small (less than 100in^2 for starters).
Thanks for any leads..
Best regards, Spehro Pefhany
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Just checked the EuroCircuits web-site and noted that the thickest they have in their on-line calculator is 3.2mm thick. They have a wide range of techniques they can use (including printed circuits on metal substrates) so perhaps a phone call and a chat with them might get you closer to what you are after. The company facilities are head-quartered in the Netherlands.
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MyroPCB can do 6mm and so far I was pleased with them. Might be worth asking them about an 8mm spec:
-- Regards, Joerg http://www.analogconsultants.com/
Out of curiosity, what's the problem that an 8mm thick board will solve? Supplementary question: could the problem be solved faster/cheaper than with an 8mm board?
We mostly use advanced circuits.
George H.
Thanks, Joerg, I'll give them a try.
Best regards,
--sp
Physical strength.
No, I don't think so.
Best regards, Spehro Pefhany
On Tue, 16 Sep 2014 15:40:06 +0100, Tom Gardner Gave us:
The only thing I can think of for such a need would be strictly for structural integration. A thing normally supported by chassis elements.
Backplanes are thicker so they can remain rigid with a bunch of circuit cards hanging on them. A gravity consideration, one supposes, as they do not make top load chassis at that form factor as a rule. Tiny versions of a VAX are top load, however. Think of the miniaturized military computers in use. Here is a very old version, the form factor of which is still in use today.
Careful as this guy has his volume up pretty high...
I've seen a backplane/motherboard that used a relatively thick circuit board (like 2 or 2.5 mm), backed up with literal power rails on the back - a stamped piece of metal about 1 mm x 10 mm, with the narrow side to the board, and a "foot" every 20 mm or so that soldered to the board. These were partly for reinforcement and partly to carry the high-current power supplies.
Would something like that work?
Matt Roberds
Vacuum interface boards?
Cheers
Phil Hobbs
-- Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC Optics, Electro-optics, Photonics, Analog Electronics 160 North State Road #203 Briarcliff Manor NY 10510 hobbs at electrooptical dot net http://electrooptical.net
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