> Leon wrote:
> <Stuff about jetstar>
>> And Stuart wrote:
>> <Stuff about trannys and inkjets>
Guys, I followed this thread as far up as
I can and I didn't see any mention of ink
being used for the photo tool.
I am only going off hear-say as I use a
tidy laser printer for my photo tools
BUT
Stuart - have you read in the archives that
yellow ink is better for the photo tool
(more UV absorbant) than black ink. Some
people claimed that black ink was almost
invisable to the UV light. Though I guess
how "invisable" black is depends on the ink
make up.
Leon - Do you use black ink or a colour ink
for your phototools on the JetStar ?
>> Stuart also wrote:
>> <snip>
>> Something is definitely badly wrong with
>> my process! I struggle to fully develop
>> the boards without mechanical assistance
>> (generally rubbing at the boards with
>> cotton buds) -- this invariably leaves
>> contaminants on the board, which in turn
>> causes etching problems. Etching is in any
>> case very uneven. This seems to point to
>> either bad artwork or insufficient
>> exposure.
Does the bad etching areas look like shiny
clean copper that just wont eat away - or is
it going pinkish but just taking too long ?
If it is still looking "shiny" then you
deffinatly have underexposed/underdeveloped
the mask.
Have you tried doing a "test strip" board ?
>> <snip>
>> I'd love to be able to make 8/8
>> double-sided boards at home; the reduced
>> turnaround time would really help some
>> projects.
You will Dorothy you will.
>> I suspect, however, that DIY PTH may be
>> beyond my abilities.
>> <snip>
PTH is probably beyond my abilities too.
I am not going to let that stop me trying
though. I just need some more spare time :(