Comment innotec SNF 2012-10-08 13:56:49: Si spikes at the shutter?

popomoo at popomoo at
Fri Jan 11 13:06:37 PST 2013

There were some spikes at the bottom surface of the shutter. It seems that Si was popped off from the target and some of them was deposited at the shutter. 
However, it seems like they were bonded tightly and I don't think they would be peeled off. Thus, I didn't change the shutter.

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