01.10.2013 Views

What is vacuum?

What is vacuum?

What is vacuum?

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Why glow d<strong>is</strong>charge?<br />

• Neutral particles are difficult to accelerate. Ions<br />

and electrons can be extracted from a glow<br />

d<strong>is</strong>charge and easily accelerated.<br />

• Accelerated inert ions are used for:<br />

Ion milling<br />

Sputter deposition<br />

• Accelerated reactive ions are used for:<br />

Reactive ion beam etching (RIBE)<br />

Reactive ion etching (RIE)<br />

• Accelerated ions can be filtered and counted:<br />

Residual gas analys<strong>is</strong> (RGA)

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