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Performance of a hot-cathode-ionization-gauge head with correcting electrode and shield tube, operated with an automated-pressure-compensating circuit in a synchrotron radiation environment
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10.1116/1.2208992
/content/avs/journal/jvsta/24/4/10.1116/1.2208992
http://aip.metastore.ingenta.com/content/avs/journal/jvsta/24/4/10.1116/1.2208992
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Experimental setup at Beam Line No. 5 (BL5) in the New SUBARU electron storage ring. Synchrotron radiation (SR) produced in the bending magnet (BM5) is absorbed by the photon absorber.

Image of FIG. 2.
FIG. 2.

Indicated pressures with the BA-S3 (엯), the IKR070 with the gauge shield (▵), the NIG-2F (◆), and the IKR070 without the gauge shield (▴), as a function of the stored-electron-beam current at a beam energy of . Also note the emission current changes in the NIG-2F.

Image of FIG. 3.
FIG. 3.

(a) Detected currents at the anode of the IKR070, with the gauge shield including the gauge cable (▵) when the anode was not powered by the TPG300, and detected currents at the collector of the NIG-2F (◆) when was applied to the grid, without emission from the gauge filament, as a function of the stored-electron-beam current. (b) Detected current at the grid (applied voltage of ) of the NIG-2F as a function of the stored-electron-beam current.

Image of FIG. 4.
FIG. 4.

Available and unavailable pressure ranges for the developed gauge system in the ring as a function of the stored-electron-beam current, calculated using the results in Fig. 3(a), where the border is obtained using the reduction factor of the shield tube, 0.1 and the soft x-ray limit of the gauge system is .

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/content/avs/journal/jvsta/24/4/10.1116/1.2208992
2006-06-20
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Performance of a hot-cathode-ionization-gauge head with correcting electrode and shield tube, operated with an automated-pressure-compensating circuit in a synchrotron radiation environment
http://aip.metastore.ingenta.com/content/avs/journal/jvsta/24/4/10.1116/1.2208992
10.1116/1.2208992
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