"Frogwatch" wrote in message
...

Failure can be very profitable too so whenever something does not work
remember it and WHY. Then use that as the basis for something else.
A personal example that Eisboch will probable be familar with.
We once wanted to make a conductive coating that was very shiny and we
would then electroplate gold onto it and then peel of the resulting
gold foil. We electron beam evaporated chromium onto glass because
this made a beautiful surface. Then we electroplated the gold onto
that expecting the gold to peel off, WRONG. It turns out that Chrome
is used as an adhesion layer for gold.
Now, I often use this mistake to ensure gold sticks.

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Nickel is commonly referred to as a "glue" layer for those of you guys that
are into multilayer, thin film coatings.

Side note ... I often thought that thin film engineers sniffed too much
thorium fluoride in their careers. Some are very strange people.

Eisboch