>There used to be a small tool that was used to create an island around
>a drill hole. it was effectively a micro sized hole saw. The
>technique was to drill holes in copper clad where you wanted them,
>isolate this hole with the tool (as needed) and then bridge from
>island to island with the parts.
I've seen boards built with this. Usually the pre-drilled proto board, but
with copper tracks that run from one edge to the other, and you separate
the rows into smaller sections with the little hole saw, but I've never
seen the tool. Have any info on it?
On Sun, Dec 30, 2012 at 3:54 PM, Harvey White <madyn@...>wrote:
> ∗∗
>
>
> On Sun, 30 Dec 2012 20:16:03 -0000, you wrote:
>
> >
> >What I am after, is an innovative way to build a circuit, without much
> complications ,drilling, designing etc.
> >
> >Probably my best choice is a ready made copper board with small isolated
> anchoring islands, similar to a type of vero board, but with no holes, so
> they are stronger ! They are very good for RF, my main concern. I have seen
> them somewhere, so I will start hunting !!
>
> There used to be a small tool that was used to create an island around
> a drill hole. it was effectively a micro sized hole saw. The
> technique was to drill holes in copper clad where you wanted them,
> isolate this hole with the tool (as needed) and then bridge from
> island to island with the parts.
>
> You've probably seen that one and decided it's not what you want. A
> similar approach would be to use a dremel as a router, make a small
> template that is large enough to manage, and has various patterns in
> it, then use the dremel as a router to remove the copper around that
> island. Never seen anyone do this, but it would have an advantage
> that you could make templates of your favorite circuits with a sheet
> of scrap aluminum, isolate as needed, (no through holes required) and
> have essentially the same layout each time.
>
> you'd have to be somewhat careful with the depth setting, but a small
> fixture could be made to allow you fast setup.
>
> Harvey
>
>
> >
> >Paul
> >
> >
> >Probably the best that suits me is a ready made copper
> >--- In Homebrew_PCBs@yahoogroups.com, Mitch Davis <mjd@...> wrote:
> >>
> >> On Mon, Dec 31, 2012 at 2:11 AM, AlienRelics <alienrelics@...> wrote:
> >> > This all sounds more and more complex.
> >>
> >> Indeed. But some people are like that.
> >>
> >> > What is wrong with toner transfer, direct inkjet resist, or
> scratch-and-etch?
> >> > Or isolation milling in a CNC mill?
> >>
> >> Nothing at all (but he didn't ask about them, he asked about hand or
> >> machine tools for scratching the surface of a copper board).
> >>
> >> Paul, you'd probably get better ideas if you shared with us what
> >> you're trying to achieve :-)
> >>
> >> Mitch.
> >>
> >
>
>
>
[Non-text portions of this message have been removed]