ELECTRODELESS DISCHARGING TUBE APPARATUS FOR MICROWAVE
PURPOSE:To make emission stable instantaneously by a method wherein a discharging tube of an ultraviolet ray source is made electrodeless, and microwaves are absorbed into the discharging tube with a microwave coupling portion whose antenna portion is provided in parallel with the discharging tube....
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| creator | OTAKE KOHEI KAWAHARA YOSHITAKA HASEBE KINGO |
| description | PURPOSE:To make emission stable instantaneously by a method wherein a discharging tube of an ultraviolet ray source is made electrodeless, and microwaves are absorbed into the discharging tube with a microwave coupling portion whose antenna portion is provided in parallel with the discharging tube. CONSTITUTION:With a microwave electrodeless discharging tube 15 which causes plasma discharge with excitation of microwave used as an ultraviolet ray source, this discharging tube 15 is placed in a cavity with its one face opened to realize constitution wherein microwaves generated by a microwave generator are supplied via a waveguide 13 by a microwave coupling portion 14 consisting of at least a pair of conductors, whose one end is fixed to the waveguide 13 or a wall of the cavity, provided in parallel with the electrodeless discharging tube 15. In other words, the microwaves are supplied to the discharging tube 15 by an antenna portion 14-1 of the microwave coupling portion 14, and plasma is generated in the discharging tube 15. By placing the antenna portion 14-1 approximately in parallel with the discharging tube 15, the microwaves can be efficiently absorbed in the discharging tube 15, thereby permitting emission of the discharging tube 15 to be stable. |
| format | Patent |
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CONSTITUTION:With a microwave electrodeless discharging tube 15 which causes plasma discharge with excitation of microwave used as an ultraviolet ray source, this discharging tube 15 is placed in a cavity with its one face opened to realize constitution wherein microwaves generated by a microwave generator are supplied via a waveguide 13 by a microwave coupling portion 14 consisting of at least a pair of conductors, whose one end is fixed to the waveguide 13 or a wall of the cavity, provided in parallel with the electrodeless discharging tube 15. In other words, the microwaves are supplied to the discharging tube 15 by an antenna portion 14-1 of the microwave coupling portion 14, and plasma is generated in the discharging tube 15. By placing the antenna portion 14-1 approximately in parallel with the discharging tube 15, the microwaves can be efficiently absorbed in the discharging tube 15, thereby permitting emission of the discharging tube 15 to be stable.</description><language>eng</language><subject>BLASTING ; ELECTRIC HEATING ; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; NON-PORTABLE LIGHTING DEVICES ; SYSTEMS THEREOF ; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS ; WEAPONS</subject><creationdate>1990</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900501&DB=EPODOC&CC=JP&NR=H02117003A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900501&DB=EPODOC&CC=JP&NR=H02117003A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>OTAKE KOHEI</creatorcontrib><creatorcontrib>KAWAHARA YOSHITAKA</creatorcontrib><creatorcontrib>HASEBE KINGO</creatorcontrib><title>ELECTRODELESS DISCHARGING TUBE APPARATUS FOR MICROWAVE</title><description>PURPOSE:To make emission stable instantaneously by a method wherein a discharging tube of an ultraviolet ray source is made electrodeless, and microwaves are absorbed into the discharging tube with a microwave coupling portion whose antenna portion is provided in parallel with the discharging tube. CONSTITUTION:With a microwave electrodeless discharging tube 15 which causes plasma discharge with excitation of microwave used as an ultraviolet ray source, this discharging tube 15 is placed in a cavity with its one face opened to realize constitution wherein microwaves generated by a microwave generator are supplied via a waveguide 13 by a microwave coupling portion 14 consisting of at least a pair of conductors, whose one end is fixed to the waveguide 13 or a wall of the cavity, provided in parallel with the electrodeless discharging tube 15. In other words, the microwaves are supplied to the discharging tube 15 by an antenna portion 14-1 of the microwave coupling portion 14, and plasma is generated in the discharging tube 15. 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CONSTITUTION:With a microwave electrodeless discharging tube 15 which causes plasma discharge with excitation of microwave used as an ultraviolet ray source, this discharging tube 15 is placed in a cavity with its one face opened to realize constitution wherein microwaves generated by a microwave generator are supplied via a waveguide 13 by a microwave coupling portion 14 consisting of at least a pair of conductors, whose one end is fixed to the waveguide 13 or a wall of the cavity, provided in parallel with the electrodeless discharging tube 15. In other words, the microwaves are supplied to the discharging tube 15 by an antenna portion 14-1 of the microwave coupling portion 14, and plasma is generated in the discharging tube 15. By placing the antenna portion 14-1 approximately in parallel with the discharging tube 15, the microwaves can be efficiently absorbed in the discharging tube 15, thereby permitting emission of the discharging tube 15 to be stable.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BLASTING ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY HEATING LIGHTING MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES SYSTEMS THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS |
| title | ELECTRODELESS DISCHARGING TUBE APPARATUS FOR MICROWAVE |
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