H
SECTION H — ELECTRICITY
 H05
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
 H05H
PLASMA TECHNIQUE (fusion reactors G21B; ion-beam tubes H01J 27/00; magnetohydrodynamic generators H02K 44/08); PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS (obtaining neutrons from radioactive sources G21, e.g. G21B, G21C, G21G); PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS (atomic clocks G04F 5/14; devices using stimulated emission H01S; frequency regulation by comparison with a reference frequency determined by energy levels of molecules, atoms, or subatomic particles H03L 7/26)
 H05H

Note(s)

  1. This subclass covers:
    1. generating or handling plasma;
    2. devices not covered by subclass H01J and in which electrons, ion beams, or neutral particles are accelerated to high energies;
    3. devices for producing neutral particle beams; [3]
    4. targets for (a), (b), or (c). [3]
  2. Attention is drawn to subclass G21K[3]
 H05H 1/00
Generating plasma; Handling plasma
 H05H 1/02
·  Arrangements for confining plasma by electric or magnetic fields; Arrangements for heating plasma (electron optics H01J)
 H05H 1/03
·  ·  using electrostatic fields  [3]
 H05H 1/04
·  ·  using magnetic fields substantially generated by the discharge in the plasma
 H05H 1/06
·  ·  ·  Longitudinal pinch devices
 H05H 1/08
·  ·  ·  Theta pinch devices
 H05H 1/10
·  ·  using applied magnetic fields only
 H05H 1/11
·  ·  ·  using cusp configuration (H05H 1/14 takes precedence)  [3]
 H05H 1/12
·  ·  ·  wherein the containment vessel forms a closed loop, e.g. stellarator
 H05H 1/14
·  ·  ·  wherein the containment vessel is straight and has magnetic mirrors
 H05H 1/16
·  ·  using applied electric and magnetic fields
 H05H 1/18
·  ·  ·  wherein the fields oscillate at a very high frequency, e.g. in the microwave range
 H05H 1/20
·  ·  Ohmic heating
 H05H 1/22
·  ·  for injection heating
 H05H 1/24
·  Generating plasma  [2]
 H05H 1/26
·  ·  Plasma torches  [2]
 H05H 1/28
·  ·  ·  Cooling arrangements  [3]
 H05H 1/30
·  ·  ·  using applied electromagnetic fields, e.g. high-frequency or microwave energy (H05H 1/28 takes precedence)  [3]
 H05H 1/32
·  ·  ·  using an arc (H05H 1/28 takes precedence)  [3]
 H05H 1/34
·  ·  ·  ·  Details, e.g. electrodes, nozzles  [3]
 H05H 1/36
·  ·  ·  ·  ·  Circuit arrangements (H05H 1/38, H05H 1/40 take precedence)  [3]
 H05H 1/38
·  ·  ·  ·  ·  Guiding or centering of electrodes  [3]
 H05H 1/40
·  ·  ·  ·  ·  using applied magnetic fields, e.g. for focusing or rotating the arc  [3]
 H05H 1/42
·  ·  ·  ·  with provisions for introducing materials into the plasma, e.g. powder, liquid (electrostatic spraying, spraying apparatus with means for charging the spray electrically B05B 5/00)  [3]
 H05H 1/44
·  ·  ·  ·  using more than one torch  [3]
 H05H 1/46
·  ·  using applied electromagnetic fields, e.g. high frequency or microwave energy (H05H 1/26 takes precedence)  [3]
 H05H 1/48
·  ·  using an arc (H05H 1/26 takes precedence)  [3]
 H05H 1/50
·  ·  ·  and using applied magnetic fields, e.g. for focusing or rotating the arc  [3]
 H05H 1/52
·  ·  using exploding wires or spark gaps (H05H 1/26 takes precedence; spark gaps in general H01T)  [3]
 H05H 1/54
·  Plasma accelerators  [3]
 H05H 3/00
Production or acceleration of neutral particle beams, e.g. molecular or atomic beams  [3]
 H05H 3/02
·  Molecular or atomic-beam generation, e.g. resonant beam generation (gas masers H01S 1/06)  [3]
 H05H 3/04
·  Acceleration by electromagnetic wave pressure  [3]
 H05H 5/00
Direct voltage accelerators; Accelerators using single pulses
 H05H 5/02
·  Details (targets for producing nuclear reactions H05H 6/00)  [3]
 H05H 5/03
·  ·  Accelerating tubes (vessels or containers of electric discharge tubes with improved potential distribution over surface of vessel H01J 5/06; shields of X-ray tubes associated with vessels or containers H01J 35/16)  [4]
 H05H 5/04
·  energised by electrostatic generators, e.g. by van de Graaff generator
 H05H 5/06
·  Tandem accelerators; Multi-stage accelerators
 H05H 5/08
·  Particle accelerators using step-up transformers, e.g. resonance transformers  [4]
 H05H 6/00
Targets for producing nuclear reactions (supports for targets or objects to be irradiated G21K 5/08)  [3]
 H05H 7/00
Details of devices of the types covered by groups H05H 9/00-H05H 13/00 (targets for producing nuclear reactions H05H 6/00)  [3]
 H05H 7/02
·  Circuits or systems for supplying or feeding radio-frequency energy (radio-frequency generators H03B)
 H05H 7/04
·  Magnet systems; Energisation thereof
 H05H 7/06
·  Two-beam arrangements; Multi-beam arrangements
 H05H 7/08
·  Arrangements for injecting particles into orbits
 H05H 7/10
·  Arrangements for ejecting particles from orbits
 H05H 7/12
·  Arrangements for varying final energy of beam
 H05H 7/14
·  Vacuum chambers (H05H 5/03 takes precedence)  [4]
 H05H 7/16
·  ·  of the waveguide type  [4]
 H05H 7/18
·  ·  Cavities; Resonators  [4]
 H05H 7/20
·  ·  ·  with superconductive walls  [4]
 H05H 7/22
·  Details of linear accelerators, e.g. drift tubes (H05H 7/02-H05H 7/20 take precedence)  [4]
 H05H 9/00
Linear accelerators (H05H 11/00 takes precedence)
 H05H 9/02
·  Travelling-wave linear accelerators
 H05H 9/04
·  Standing-wave linear accelerators
 H05H 11/00
Magnetic induction accelerators, e.g. betatrons
 H05H 11/02
·  Air-cored betatrons
 H05H 11/04
·  Biased betatrons
 H05H 13/00
Magnetic resonance accelerators; Cyclotrons
 H05H 13/02
·  Synchrocyclotrons, i.e. frequency-modulated cyclotrons
 H05H 13/04
·  Synchrotrons
 H05H 13/06
·  Air-cored magnetic resonance accelerators
 H05H 13/08
·  Alternating-gradient magnetic resonance accelerators
 H05H 13/10
·  Accelerators comprising one or more linear accelerating sections and bending magnets or the like to return the charged particles in a trajectory parallel to the first accelerating section, e.g. microtrons  [4]
 H05H 15/00
Methods or devices for acceleration of charged particles not otherwise provided for  [4]