4. Radiant energy
  5. Ion generation
  6. Field ionization type

David E. Rock

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Ion source and metals used in making components thereof and...

Radiant energy – Ion generation – Arc type
Reexamination Certificate

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Ion source including magnet and magnet yoke assembly

Radiant energy – Ion generation – Field ionization type
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3185218

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