homemade multilayer PCB?

[Jasen Betts]

Well, I don't know why we have to insult each other. It makes usenet
a rather unpleasant place considering that it's already inundated with
meaningless spam and dreadful trolls.

Anyway, I am just a hobbyist. I don't get paid to design circuits. I
am not likely to spend $50 to have a board made for something that
only I will play with. Especially knowing that the board might not
work exactly like I want it to the first time. In other words, with
regards to hobbies, I have more time than money.

There's several board houses out there that will give you a large
enough discount on your first order that you'll get it for free.

 

[legg]

Just wondering if anyone has made their own multilayer PCBs and how
they did it. Can you buy thin blanks and laminate them somehow?

Prototyped and iterated some multilayer printed transformer windings
once, but only to determine the best structure, copper patterns and
thicknesses for the professionally fabbed final product. I found that
the copper surfaces needed a modest etching to bond within the kevlar
used.

Have also done this using double-sided FR and a seperator for early
iterations of 4-layer mixed signal/power assemblies, without actually
bonding the layers.

http://members.shaw.ca/legg/2002a.html

The final product was always sourced from an experienced and UL-listed
fab house, however.

I can't honestly say that this kind of work will get you anywhere, as
managers seem to mistrust anything that doesn't miraculously appear
out of a box, courtesy of a 'perfect' computer file entry, without any
muss or fuss. The knowledge accumulated wasn't re-applied anywhere,
that I'm aware of.

RL