Wide aperature wien ExB mass filter

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United States of America Patent

PATENT NO 8294093
APP PUB NO 20120261565A1
SERIAL NO

13089875

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Abstract

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An E×B Wien mass filter provides an independently-adjustable electric field combined with the dipole electric field required for mass separation. The independently adjustable electric field can be used provide a larger optical aperture, to correct astigmatism and to deflect the beam in direction parallel and/or perpendicular to the magnetic field.

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Patent Owner(s)

Patent OwnerAddress
FEI COMPANYHILLSBORO OR 97124-5793

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Parker, N William Hillsboro, US 55 1875
Tuggle, David Portland, US 4 88

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