IPC 7 English version H01J 41/00-H01J 65/08

IPC ⁷ English version

H01J 33/00 - H01J 40/20

H01J04100-H01J06508

SECTION H – ELECTRICITY

H 01

BASIC ELECTRIC ELEMENTS

H 01 J

ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS (spark-gaps H01T; arc lamps with consumable electrodes H05B; particle accelerators H05H)

41/

Discharge tubes and means integral therewith for measuring gas pressure (vacuum gauge systems using such tubes G01L 21/30); Discharge tubes for evacuation by diffusion of ions

41/

Discharge tubes and means integral therewith for measuring gas pressure [2]

41/

with ionisation by means of thermionic cathodes [2]

41/

with ionisation by means of cold cathodes [2]

41/

with ionisation by means of radioactive substances, e.g. alphatrons [2]

41/

of particle-spectrometer type (particle spectrometers in general H01J 49/00) [2]

41/

Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps [2]

41/

with ionisation by means of thermionic cathodes [2]

41/

using gettering substances [2]

41/

with ionisation by means of cold cathodes [2]

41/

using gettering substances [2]

43/

Secondary-emission tubes; Electron-multiplier tubes (dynamic electron-multiplier tubes H01J 25/76; secondary-emission detectors for measurement of nuclear or X-radiation G01T 1/28)

43/

Tubes in which one or a few electrodes are secondary-electron-emitting electrodes

43/

Electron multipliers

43/

Electrode arrangements

43/

Cathode arrangements (construction of photo cathodes H01J 40/06, H01J 40/16, H01J 47/00, H01J 49/08)

43/

Dynodes (H01J 43/24, H01J 43/26 take precedence; secondary-electron-emitting electrodes in general H01J 1/32)

43/

Anode arrangements

43/

Control of electron beam by magnetic field

43/

Electrode arrangements using essentially one dynode

43/

Electrode arrangements using essentially more than one dynode

43/

Dynodes consisting of sheet material, e.g. plane, bent

43/

Dynodes consisting of electron-permeable material, e.g. foil, grid, tube, venetian blind

43/

Dynodes having potential gradient along their surfaces

43/

Box dynodes

43/

Vessels; Windows; Screens; Suppressing undesired discharges or currents

43/

Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for

45/

Discharge tubes functioning as thermionic generators

47/

Tubes for determining the presence, intensity, density or energy of radiation or particles (photoelectric discharge tubes not involving the ionisation of a gas H01J 40/00) [3]

47/

Ionisation chambers [3]

47/

Capacitive ionisation chambers, e.g. the electrodes of which are used as electrometers (electrostatic dosimeters in general G01T 1/14) [3]

47/

Proportional counter tubes [3]

47/

Geiger-Müller counter tubes [3]

47/

Spark counters (H01J 47/14 takes precedence; spark gaps H01T) [3]

47/

Neutron detector tubes, e.g. BF₃ tubes [3]

47/

Parallel electrode spark or streamer chambers; Wire spark or streamer chambers [3]

47/

characterised by readout of each individual wire [3]

47/

the readout being electrical (H01J 47/20 takes precedence) [3]

47/

the readout employing electrical or mechanical delay lines, e.g. magnetostrictive delay lines [3]

47/

characterised by another type of readout [3]

47/

the readout being acoustical [3]

47/

the readout being optical [3]

49/

Particle spectrometers or separator tubes (for measuring gas pressure H01J 41/10) [3]

Note

In classifying particle separators, no distinction is made between spectrometry and spectrography, the difference being only in the manner of detection which in the first case is electrical and in the second case is by means of a photographic film. [3]

49/

Details [3]

49/

Arrangements for introducing or extracting samples to be analysed, e.g. vacuum locks; Arrangements for external adjustment of electron- or ion-optical components [3]

49/

Electron- or ion-optical arrangements (H01J 49/04 takes precedence) [3]

49/

Electron sources, e.g. for generating photo-electrons, secondary electrons or Auger electrons [3]

49/

Ion sources; Ion guns [3]

49/

using an arc discharge, e.g. of the duoplasmatron type [3]

49/

using particle bombardment, e.g. ionisation chambers [3]

49/

using surface ionisation, e.g. field-, thermionic- or photo-emission [3]

49/

using spark ionisation [3]

49/

Magnetic deflection [3]

49/

Electrostatic deflection [3]

49/

Vacuum systems, e.g. maintaining desired pressures [3]

49/

Mass spectrometers or separator tubes (isotope separation using these tubes B01D 59/44; mass spectrometers specially adapted for column chromatography G01N 30/72) [3]

49/

Static spectrometers [3]

49/

using magnetic analysers [3]

49/

using double focusing [3]

49/

Dynamic spectrometers [3]

49/

Radio frequency spectrometers, e.g. Bennett-type spectrometers, Redhead-type spectrometers [3]

49/

Omegatrons [3]

49/

Time-of-flight spectrometers (H01J 49/36 takes precedence) [3]

49/

Stability-of-path spectrometers, e.g. monopole, quadrupole, multipole, farvitrons [3]

49/

Energy spectrometers, e.g. alpha-, beta-spectrometers [3]

49/

Static spectrometers [3]

49/

using electrostatic analysers, e.g. cylindrical sector, Wien filter [3]

Discharge lamps

61/

Gas- or vapour-discharge lamps (use for sterilising milk products A23C; use for medical purposes A61N 5/00; use for disinfecting water C02F; use for lighting F21; circuits therefor H05B; arc lamps with consumable electrodes H05B; electroluminescent lamps H05B)

61/

Details

61/

Electrodes (for igniting H01J 61/54); Screens; Shields

61/

Main electrodes

61/

067

for low-pressure discharge lamps [2]

61/

073

for high-pressure discharge lamps [2]

61/

Hollow cathodes [2]

61/

Shield, screens, or guides for influencing the discharge

61/

Selection of substances for gas fillings; Specified operating pressure or temperature

61/

having one or more carbon compounds as the principal constituents

61/

having helium, argon, neon, krypton, or xenon as the principle constituent

61/

having a metallic vapour as the principal constituent

61/

mercury vapour

61/

vapour of an alkali metal

61/

Means for obtaining or maintaining the desired pressure within the vessel

61/

Means for absorbing or adsorbing gas, e.g. by gettering; Means for preventing blackening of the envelope

61/

Means for producing, introducing, or replenishing gas or vapour during operation of the lamp

61/

Vessels; Containers

61/

Special longitudinal shape, e.g. for advertising purposes

61/

Special shape of cross-section, e.g. for producing cool spot

61/

Double-wall vessels or containers

61/

provided with coatings on the walls thereof; Selection of materials for the coatings (using coloured coatings H01J 61/40; using luminescent coatings H01J 61/42)

61/

Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors

61/

Devices for influencing the colour or wavelength of the light

61/

by light-filters; by coloured coatings in or on the envelope

61/

by transforming the wavelength of the light by luminescence

61/

Devices characterised by the luminescent material (luminescent materials C09K 11/00)

61/

Devices characterised by the binder or other non-luminescent constituent of the luminescent material, e.g. for obtaining desired pouring or drying properties

61/

Separate coatings of different luminous materials

61/

Auxiliary parts or solid material within the envelope for reducing risk of explosion upon breakage of the envelope, e.g. for use in mines

61/

Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space

61/

Igniting arrangements, e.g. promoting ionisation for starting (circuit arrangements H05B)

61/

One or more circuit elements structurally associated with the lamp

61/

Lamps with both liquid anode and liquid cathode

61/

Lamps in which the discharge space is substantially filled with mercury before ignition

61/

Lamps with gaseous, e.g. plasma cathode

61/

Cathode glow lamps (designed as tuning or voltage indicators H01J 17/40)

61/

having one or more specially shaped cathodes, e.g. for advertising purposes

61/

Lamps in which the main discharge is between parts of a current-carrying guide, e.g. halo lamp

61/

Lamps with low-pressure unconstricted discharge

61/

having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury

61/

having a main light-emitting filling of difficult vaporisable metal vapour, e.g. sodium

61/

having a filling of permanent gas or gases only

61/

with cold cathode; with cathode heated only by discharge, e.g. high-tension lamp for advertising

61/

Lamps suitable only for intermittent operation, e.g. flash lamp

61/

Lamps with high-pressure unconstricted discharge

61/

Lamps with discharge constricted by high pressure

61/

with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection

61/

with discharge additionally constricted by envelope

61/

Lamps suitable only for intermittent operation, e.g. flash lamp

61/

Lamps with more than one main discharge path

61/

Paths producing light of different wavelengths, e.g. for simulating daylight

61/

Lamps with control electrode for varying intensity or wavelength of the light, e.g. for producing modulated light

61/

Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope, e.g. for simulating daylight (lamps with filament heated only by non-luminous discharge H01K)

61/

Lamps with closely spaced electrodes heated to incandescence by light-emitting discharge, e.g. tungsten arc lamp

63/

Cathode-ray or electron-stream lamps (flying-spot tubes H01J 31/10; magic-eye tuning indicators H01J 31/14; lamps with incandescent body heated by the ray or stream H01K)

63/

Details, e.g. electrode, gas filling, shape of vessel

63/

Vessels provided with luminescent coatings; Selection of materials for the coatings

63/

Lamps with luminescent screen excited by the ray or stream

63/

Lamps with gas plasma excited by the ray or stream

65/

Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel

65/

Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating

65/

Lamps in which a gas filling is excited to luminesce by radioactive material structurally associated with the lamp, e.g. inside the vessel

65/

Lamps in which a screen or coating is excited to luminesce by radioactive material located inside the vessel

H01J 33/00 - H01J 40/20