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US 2007/0165784 A1Published application
X-ray generator employing hemimorphic crystal and ozone generator employing it
AssigneesThe Doshisha, Yoshikazu Nakanishi
InventorsYoshikazu Nakanishi, Shinzo Yoshikado, Yoshiaki Ito, Shinji Fukao, Sei Fukushima
Life of this patent
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Abstract
An x-ray generator comprising a vessel 1 in which a low pressure gas atmosphere is maintained, hemimorphic crystal supporting means 3a and 3b provided in the vessel, at least a pair of hemimorphic crystals 5a and 5b arranged oppositely at an interval and supported by the hemimorphic crystal supporting means in the vessel, and means 3a, 3b; 6b to 8a and 8b for elevating and lowering the temperature of the hemimorphic crystals. X-rays are radiated from the vessel as the temperature of the hemimorphic crystals is elevated or lowered.
Claims22
1-20. (canceled)
An x-ray generator comprising:
- a vessel for holding a low pressure gas atmosphere inside;
- hemimorphic crystal supporting means provided in said vessel;
- at least a pair of hemimorphic crystals supported by said hemimorphic crystal supporting means in said vessel and arranged oppositely to each other at a distance therebetween;
- and
- a heating and cooling means for elevating and lowering a temperature of said hemimorphic crystals, wherein
- x-rays are radiated from said vessel as the temperature of said hemimorphic crystals is elevated or lowered.
3 more elements
An x-ray generator comprising:
- a vessel for holding a low pressure gas atmosphere inside;
- hemimorphic crystal supporting means arranged in said vessel;
- a pair of hemimorphic crystals supported by said hemimorphic crystal supporting means in said vessel and arranged oppositely to each other at a distance therebetween, said pair of hemimorphic crystals being arranged oppositely to each other at planes having a charge of the same sign;
- a metal target surrounding a space between said pair of hemimorphic crystals in said vessel and supported by a target supporting means arranged in said vessel;
- and
- a heating and cooling means for elevating and lowering a temperature of said hemimorphic crystals, wherein
- x-rays are radiated from said vessel as the temperature of said hemimorphic crystals is elevated or lowered.
4 more elements
An x-ray generator comprising:
- a vessel for holding a low pressure gas atmosphere inside;
- hemimorphic crystal supporting means arranged in said vessel;
- a pair of hemimorphic crystal aggregates supported by said hemimorphic crystal supporting means in said vessel and arranged oppositely to each other at a distance therebetween;
- a heating and cooling means for elevating and lowering a temperature of said hemimorphic crystal aggregates;
- said pair of hemimorphic crystal aggregates being respectively composed of a number of hemimorphic crystals supported on a base and concavely curved, all of the hemimorphic crystals constituting one of said hemimorphic crystal aggregates facing positively charged planes toward a side apart from said base, all of the hemimorphic crystals constituting the other of said hemimorphic crystal aggregates facing negatively charged planes toward the side apart from said base, said pair of hemimorphic crystal aggregates being arranged oppositely to each other at a concave side apart from said base thereof;
- and
- a metal target arranged between said pair of hemimorphic crystal aggregates and supported by a target supporting means in said vessel.
4 more elements
An x-ray generator, comprising:
- a vessel for holding a low pressure gas atmosphere inside, said vessel being formed of a material for blocking x-ray transmission;
- hemimorphic crystal supporting means arranged in said vessel;
- a pair of hemimorphic crystal aggregates arranged oppositely and joined to each other through a dielectric material, and supported by said hemimorphic crystal supporting means in said vessel;
- a heating and cooling means for elevating and lowering a temperature of said hemimorphic crystal aggregates;
- said pair of hemimorphic crystal aggregates being respectively composed of a number of hemimorphic crystals supported on a concave side of hemispherical shell-shaped bases, all of the hemimorphic crystals constituting one of the hemimorphic crystal aggregates facing positively charged planes toward a side apart from said base, all of the hemimorphic crystals constituting the other of said hemimorphic crystal aggregates facing negatively charged planes toward the side apart from said base, said pair of hemimorphic crystal aggregates being arranged oppositely to each other at the concave side apart from said base thereof and joined to each other through a ring-shaped dielectric material so as to form a spherical shell;
- and
- a metal target supported by a target supporting means in said spherical shell at a position including a center of said spherical shell, at least one of said pair of hemimorphic crystal aggregates being provided with at least one through hole, a wall of said vessel being provided with an x-ray transmission window aligning with said at least one through hole.
4 more elements
An ozone generator, comprising:
- a low pressure gas sealing housing;
- a hemimorphic crystal arranged in said housing;
- a heating and cooling means for repeatedly heating and cooling said hemimorphic crystal arranged in said housing;
- and
- a vessel for a material gas for generating ozone, said vessel being arranged adjacently to an outside or inside of said housing, said vessel for the material gas for generating ozone being irradiated with soft x-rays generated from said hemimorphic crystal through an x-ray transmission window.
2 more elements
An ozone generation method, comprising the steps of:
- arranging a hemimorphic crystal in a low pressure gas sealing housing, and repeatedly thermally exciting said hemimorphic crystal in a cycle of a predetermined period of time, and thereby, continuously generating soft x-rays from said hemimorphic crystal, and generating ozone by irradiating a material gas for generating ozone with the x-rays.
An ozone generation method, comprising the steps of:
- arranging and thermally exciting a hemimorphic crystal in a sealed low pressure gas housing, and thereby, inducing an intensive electric field so as to generate and project charged particles and x-rays from said hemimorphic crystal to an x-ray target, and then, irradiating a material gas for generating ozone with secondary x-rays excited on said target, so as to generate ozone.
Dependencies are inferred from the claim text.