Replies to post #40266 on GT Advanced Technologies Inc fka GTAT

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If you search GOOGLE SCHOLAR for "ion implantation sapphire" you will find many highly technical articles on the subject.

http://link.springer.com/article/10.1007/BF00553270#page-1
http://link.springer.com/article/10.1007/BF00559353#page-1
http://www.sciencedirect.com/science/article/pii/S0168583X87801635

My point is that ion implantation in sapphire is not new.....some of these date back to the mid 1980's. HYPERION may make it easier but is not mandatory. There are other methods of achieving the goal besides Hyperion.