(0)G21H:0/0:
IPC6
SECTION G - PHYSICS
OBTAINING ENERGY FROM RADIOACTIVE SOURCES; APPLICATIONS OF...
G21H
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G 21 H

 OBTAINING ENERGY FROM RADIOACTIVE SOURCES; APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES; UTILISING COSMIC RADIATION (measurement of nuclear or X-radiation G 01 T; fusion reactors G 21 B; nuclear reactors G 21 C ; semiconductor devices sensitive to electromagnetic or corpuscular radiation H 01 L 31/00)

 

 

 
 

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/ 00 Arrangements for obtaining electrical energy from radioactive sources, e.g. from radioactive isotopes

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/ 02 • Cells charged directly by beta radiation  

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/ 04 • Cells using secondary emission induced by alpha radiation, beta radiation, or gamma radiation (discharge tubes H 01 J 40/00, H 01 J 47/00)  

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/ 06 • Cells wherein radiation is applied to the junction of different semiconductor materials  

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/ 08 • Cells in which radiation ionises a gas in the presence of a junction of two dissimilar metals, i.e. contact potential-difference cells (discharge tubes H 01 J)  

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/ 10 • Cells in which radiation heats a thermoelectric junction or a thermionic converter (discharge tubes functioning as thermionic generators H 01 J 45/00; thermoelectric devices comprising a junction of dissimilar materials H 01 L 35/00) [2]  

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/ 12 • Cells using conversion of the radiation into light combined with subsequent photoelectric conversion into electric energy  
 

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/ 00 Arrangements for direct conversion of radiation energy from radioactive sources into forms of energy other than electric energy, e.g. light (lasers H 01 S 3/00)

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/ 02 • in which material is excited to luminesce by the radiation (lamps in which a gas filling or screen or coating is excited to luminesce by radioactive material structurally associated with the lamp H 01 J 65/00)  
 

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/ 00 Applications of radiation from radioactive sources or arrangements therefor (producing mutation in plants A 01 H 1/06; preservation of dairy products A 23 C; preservation of foodstuffs A 23 L 3/26; for therapeutic purposes A 61 N 5/10; in chemical, physical or physicochemical processes in general B 01 J 19/08; in electrostatic separation B 03 C 3/38; for after-treatment of coatings applied as liquids or other fluent materials B 05 D 3/06; for action between electric vehicles and tracked apparatus B 61 L 1/10, B 61 L 3/06; introducing isotopes into organic compounds C 07 B 59/00; for preparation of organic chemical compounds C 07, C 08, e.g. C 08 F 2/46; for treating macromolecular substances or articles made therefrom B 29 C 71/04, C 08 J 3/28, C 08 J 7/18; for cracking of hydrocarbon oils C 10 G 15/00, C 10 G 32/04; for reforming naphtha C 10 G 35/16; preservation or ageing of products obtained from fermentation processes C 12 H 1/06, C 12 H 1/16; for bleaching fibres D 06 L 3/04; measuring G 01; irradiation devices, gamma- or X-ray microscopes G 21 K; in discharge tubes H 01 J; apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere, H 01 T 23/00; for carrying-off electrostatic charges H 05 F 3/06)

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/ 02 • as tracers  
 

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/ 00 Use of effects of cosmic radiation