发明名称 |
X-RAY TUBE AND X-RAY CT APPARATUS |
摘要 |
An X-ray tube includes: a Wehnelt electrode having a dent inside; a filament arranged in the dent of the Wehnelt electrode and configured to emit an electron beam when electricity is passed therethrough; an anode configured to emit an X-ray in response to the incident electron beam; an electrode part configured by at least one pair of electrode members, the electrode members facing each other across a path of the electron beam, a voltage being applied to each of the electrode members; a voltage controller configured to control the voltage applied to the electrode part; and a shield member arranged in contact with the Wehnelt electrode and configured to cover part of the dent by a projecting part. |
申请公布号 |
US2011051884(A1) |
申请公布日期 |
2011.03.03 |
申请号 |
US20100868437 |
申请日期 |
2010.08.25 |
申请人 |
KABUSHIKI KAISHA TOSHIBA;TOSHIBA MEDICAL SYSTEMS CORPORATION |
发明人 |
HASHIMOTO SUSUMU;HONDA TOYOMASA;HARADA SANAE;MIYAZAKI HIROAKI |
分类号 |
A61B6/03;H01J35/06 |
主分类号 |
A61B6/03 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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