At 10:49 AM 8/13/2009, peter foti wrote:
to non-adhesion.
John
>I wasn't implying that every piece of aluminum is coated with a thinLOL! I understand, and I agreed with your theory that oxidation leads
>film of sapphire. I was just trying to express that "aluminum oxide is
>very hard" in a jokey kind of way, not mislead anyone. The point is
>that Al2O3 is harder than pure aluminum and has different properties
>and that it *might* be contributing to the pnp not sticking.
to non-adhesion.
John
