| CPC H05H 7/001 (2013.01) [A61N 5/10 (2013.01); H05H 6/00 (2013.01); A61N 2005/109 (2013.01); H05H 2007/002 (2013.01); H05H 2007/008 (2013.01)] | 20 Claims |

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1. A method of operating a beam, comprising:
scanning the beam across a scannable surface of a target along a first path; and
scanning the beam across the scannable surface of the target along a second path, wherein the first path forms a first pattern at a first radial orientation, and the second path forms substantially the first pattern at a second radial orientation different from the first radial orientation.
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