Re: micron level cnc


"kurgan" <kgringioni@xxxxxxxxxxx> wrote in message
news:1149029996.846118.269160@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

jeff wrote:

I have suspected as much. There is a lot of activity in micron and sub
micron scale patterning on various substrates and embossing drums and
not
all of it is LCD related, although with 3m's key patents expiring there
is a
lot of activity in that area. Interesting time to be alive.
What patents are you referring to?

Don't know the #s but they apply to embossed patterns for LDC back lighting.
To date virtually every back lit LCD has paid royalties to 3M. This summer
they expire. They also apply to a lot light modifying films.


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