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Photoetching and presensitized cc boards

J

Jon Slaughter

Jan 1, 1970
0
Anyone here have any experience with coating copper clad boards with etch
resist photo sensitizer? I brought some spray stuff from MG a while back
but it doesn't seem the same. It is clear and the presensitized boards I use
have a dark green coating. (not that it probably matters)

I have several unsensitized boards that I'd like to coat but I'm not sure
how difficult it is. Anyone have any experience with such things? or know of
a good photo resist to get that isn't hard to use?

Thanks,
Jon
 
J

Jan Panteltje

Jan 1, 1970
0
Anyone here have any experience with coating copper clad boards with etch
resist photo sensitizer? I brought some spray stuff from MG a while back
but it doesn't seem the same. It is clear and the presensitized boards I use
have a dark green coating. (not that it probably matters)

I have several unsensitized boards that I'd like to coat but I'm not sure
how difficult it is. Anyone have any experience with such things? or know of
a good photo resist to get that isn't hard to use?

Thanks,
Jon

Long time ago I knew somebody who just poored it on, and had the board rotate on
an a platter to spread it evenly.
Worked 100%.
 
J

Jon Slaughter

Jan 1, 1970
0
Jan Panteltje said:
On a sunny day (Tue, 7 Oct 2008 15:31:51 -0500) it happened "Jon
Slaughter"


Long time ago I knew somebody who just poored it on, and had the board
rotate on
an a platter to spread it evenly.
Worked 100%.

Thats what the do to make cd's I sorta thought about that but seems like a
lot of trouble to go through ;/ (needs to be heated too which means a motor
that can withstand the heat(not sure how hot though))
 
J

Jan Panteltje

Jan 1, 1970
0
Thats what the do to make cd's I sorta thought about that but seems like a
lot of trouble to go through ;/ (needs to be heated too which means a motor
that can withstand the heat(not sure how hot though))

I am almost 100% sure he did not heat it.
He bought it in huge 1 liter cans IIRC.
 
M

Martin Riddle

Jan 1, 1970
0
Jon Slaughter said:
Anyone here have any experience with coating copper clad boards with
etch resist photo sensitizer? I brought some spray stuff from MG a
while back but it doesn't seem the same. It is clear and the
presensitized boards I use have a dark green coating. (not that it
probably matters)

I have several unsensitized boards that I'd like to coat but I'm not
sure how difficult it is. Anyone have any experience with such things?
or know of a good photo resist to get that isn't hard to use?

Thanks,
Jon

I tried the photo resist method but was not successful.
I found the Press-and-peel blue stuff far easier to use.
But you need a laser printer for the transfer.

Cheers
 
L

Leon

Jan 1, 1970
0
I tried the photo resist method but was not successful.
I  found the Press-and-peel blue stuff far easier to use.
But you need a laser printer for the transfer.

Cheers

I use the photo-etch process with pre-coated boards and get excellent
results. I print the artwork with a cheap HP DeskJet printer on
Premium Jetstar film from Mega Electronics.

Leon
 
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