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Re: Scratch and Etch


Alan Marconett KM6VV
 

Hi John,

I recall the JFax, and AEA's fax. Milling PCB's is quite a challenge,
and even more interesting!

I didn't quite get the "scratch and etch". This is for isolation, like
milling? Just enough to remove resist?

What about a burnishing bit, perhaps abrasive, to scrub off resist? It
would have to be quite small dia. Just mill through the resist.

Alan KM6VV


crankorgan wrote:


Alan,
Ralph had a BBS that I used to visit. I drew up his
ZipZap antenna as a ZIP package. Fax Dahl was software
that would turn Fax audio from my R71a to VGA images.
Later on there was a German Freeware program that would
work through the serial port with only a few resistors
and an opamp. If you do a search for Kleinfax on the net
you may find my diagram for turning a serial board into
a radio fax board. JFax killed my design off! I think
later versions of HamCom did fax too! That was a long time
ago.
After using steppers to spin my drum, I made a spinning
mirror camera like the ones the satellites use. Now I use
steppers to run my PCBMill. I mill circuit boards as part of
my business. There is no cheap way to make a 4" x 6" board. I
stick with the milling process because it works best for me.

John


--- In Homebrew_PCBs@y..., Alan Marconett KM6VV <KM6VV@a...> wrote:
Hi John,

Yes! I have Taggert's book, and I played around with weather
fax's, but
AFTER CRT's were common. what is FAX_Dhals? A software package?

73's,

Alan KM6VV

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