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SuperSweep64 - dirac

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SuperSweep Operation<br />

SuperSweep Operation<br />

The programmable sweep produces beam sweep patterns by varying<br />

the current in the coils of the e-beam source.<br />

The SS64 is a hardware device that controls the intensity and pattern<br />

of the e-beam, which is created by an e-beam gun. The SS64<br />

EEPROM can store up to 64 wave pattern recipes. The following<br />

options allow you to modify values of the wave pattern (along the x-<br />

and y-axes):<br />

• wave selection<br />

• amplitude<br />

• frequency<br />

• position<br />

• emission current<br />

Also, the SS64 system includes a PC software component that allows<br />

you to create and modify wave pattern recipes and to control the<br />

SS64 unit remotely. Further discussion on this will follow.<br />

Definitions<br />

The following SS64 system features and functions are identified and<br />

defined below.<br />

Amplitude<br />

Amplitude refers to the maximum latitudinal or longitudinal position<br />

of the waveform. It is displayed as a percent of Full Scale.<br />

Temescal SuperSweep 6/6/02 7

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