X-ray apparatus

Details X-ray apparatus X-ray apparatus

2007-04-17

2007-04-17

Glick, Edward J. (Department: 2882)

X-ray or gamma ray systems or devices

Source

Electron tube

C378S141000

Reexamination Certificate

active

11401270

ABSTRACT:
An X-ray apparatus includes a rotation-anode type X-ray tube which is configured such that a rotatable anode target and a cathode that is disposed to be opposed to the anode target are accommodated within a vacuum envelope, a stator which generates an induction electromagnetic field for rotating the anode target, a housing which accommodates and holds at least the rotation-anode type X-ray tube, a circulation path which is provided near at least a part of the rotation-anode type X-ray tube, and through which a water-based coolant is circulated, and a cooling unit including a circulation pump, which is provided at a position along the circulation path and forcibly feeds the water-based coolant, and a radiator which radiates heat of the water-based coolant, wherein an amount of dissolved oxygen at 25° C. in the water-based coolant is 5 mg/liter or less.

REFERENCES:
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patent: 2003-197136 (2003-07-01), None
International Search Report dated Aug. 11, 2005 for Appln. No. PCT/JP2004/015387 filed Oct. 18, 2004.

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