H01J 49/168
Ion sources; Ion guns using surface ionisation, e.g. field-, thermionic- or photo-emission {field ionisation, e.g. corona discharge }
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Edits on 16 Mar, 2022
Golden AI
Edits on 5 Mar, 2022
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Description (+133 characters)
H01J 49/168
Ion sources; Ion guns using surface ionisation, e.g. field-, thermionic- or photo-emission {field ionisation, e.g. corona discharge }
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