1887
banner image
No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
CdTe x-ray image sensor using a field emitter array
Rent:
Rent this article for
USD
10.1116/1.3079651
/content/avs/journal/jvstb/27/2/10.1116/1.3079651
http://aip.metastore.ingenta.com/content/avs/journal/jvstb/27/2/10.1116/1.3079651
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Operation principle of the CdTe x-ray image sensor using a field emitter array.

Image of FIG. 2.
FIG. 2.

Current-voltage characteristic of the Shottky CdTe diode.

Image of FIG. 3.
FIG. 3.

Fabrication process of the matrix-structured FEA with HfC coating.

Image of FIG. 4.
FIG. 4.

Whole picture (a) and specifics (b) of the matrix-structured FEA mounted on a ceramic package. SEM images of the (c) and emitter tip (d) of the matrix-structured FEA.

Image of FIG. 5.
FIG. 5.

Electron emission characteristic for one pixel (750 tips) of the matrix-structured FEA.

Image of FIG. 6.
FIG. 6.

Schematic of the CdTe x-ray image sensor which we have constructed. The figure also shows a Cu plate with three kinds of thickness which was used in measuring the dependence of the output current on Cu plate thickness.

Image of FIG. 7.
FIG. 7.

(Color online) Output current characteristic under the exposure of electron beam with and without x-ray irradiation. The x-ray tube voltage was changed from at intervals of . The x-ray tube current was . The voltage of the mesh electrode was . The voltage of the cathode electrode , extraction gate , and focus electrode were 0, 45, and , respectively. The anode voltage was .

Image of FIG. 8.
FIG. 8.

Dependence of the output current on Cu plate thickness. A Cu plate with three kinds of thickness was set in front of the glass window. X ray was irradiated through the Cu plate. The x-ray tube voltage and current were and , respectively. The voltage of the mesh electrode was . The voltage of the cathode electrode , extraction gate , and focus electrode were 0, 55, and , respectively. The anode voltage was .

Loading

Article metrics loading...

/content/avs/journal/jvstb/27/2/10.1116/1.3079651
2009-03-27
2014-04-16
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: CdTe x-ray image sensor using a field emitter array
http://aip.metastore.ingenta.com/content/avs/journal/jvstb/27/2/10.1116/1.3079651
10.1116/1.3079651
SEARCH_EXPAND_ITEM