ADAPTIVE CONTROL FOR CHARGED PARTICLE BEAM PROCESSING

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20170002467A1
SERIAL NO

15201590

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An improved process control for a charged beam system is provided that allows the capability of accurately producing complex two and three dimensional structures from a computer generated model in a material deposition process. The process control actively monitors the material deposition process and makes corrective adjustments as necessary to produce a pattern or structure that is within an acceptable tolerance range with little or no user intervention. The process control includes a data base containing information directed to properties of a specific pattern or structure and uses an algorithm to instruct the beam system during the material deposition process. Feedback through various means such as image recognition, chamber pressure readings, and EDS signal can be used to instruct the system to make automatic system modifications, such as, beam and gas parameters, or other modifications to the pattern during a material deposition run.

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Patent Owner(s)

Patent OwnerAddress
FEI COMPANY5350 NE DAWSON CREEK DRIVE HILLSBORO OR 97124

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Botman, Aurelien Philippe Jean Maclou Portland, US 15 30
Chandler, Clive D Portland, US 53 1409
Randolph, Steven Portland, US 22 170
Rue, Chad Portland, US 39 208
Straw, Marcus Portland, US 22 235
Utlaut, Mark W Scappoose, US 40 614

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