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- W2170869842 abstract "A microfocus x-ray tube is useful to perform magnification digital radiography, including phase-contrast effects. The 100-m-focus x-ray generator consists of a main controller for regulating the tube voltage and current, and a tube unit with a high-voltage circuit and a fixed anode x-ray tube. The maximum tube voltage, current, and electric power are 105 kV, 0.5 mA, and 50 W, respectively. Using a 3-mm-thick aluminum filter, the x-ray intensity is 26.0 Gy/s at 1.0 m from the source, with a tube voltage of 60 kV and a current of 0.50 mA. Because the peak photon energy is approximately 35 keV using the filter with a tube voltage of 60 kV, the bremsstrahlung x-rays are absorbed effectively by iodine-based contrast media with an iodine K-edge of 33.2 keV. Magnification angiography is performed by three-fold magnification imaging with a computed radiography sys-tem using iodine-based microspheres 15 m in diameter. In angiography of nonliving animals, we observe fine blood vessels approximately 100 m with high contrasts." @default.
- W2170869842 created "2016-06-24" @default.
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- W2170869842 date "2007-02-01" @default.
- W2170869842 modified "2023-10-17" @default.
- W2170869842 title "K-edge magnification digital angiography using a <inline-formula><math altimg=none display=inline overflow=scroll><mrow><mn>100</mn><mtext>‐</mtext><mi mathvariant=normal>μ</mi><mi mathvariant=normal>m</mi></mrow></math></inline-formula>-focus tungsten tube" @default.
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- W2170869842 doi "https://doi.org/10.1117/1.2542285" @default.
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