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CPC Subgroup
H01J 11/20

Constructional details

Full Title

Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP] (circuits or methods for driving PDPs G09G3/28); Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel > Constructional details

7 direct subcodes

Child Classifications

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  • H01J 11/46 Connecting or feeding means, e.g. leading-in conductors
  • H01J 11/48 Sealing, e.g. seals specially adapted for leading-in conductors
  • H01J 11/50 Filling, e.g. selection of gas mixture
  • H01J 11/52 Means for absorbing or adsorbing the gas mixture, e.g. by gettering
  • H01J 11/54 Means for exhausting the gas