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3D pixel detector

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Stanford (Manchester)<br />

<strong>3D</strong> electrode configurations<br />

Design and fabrication by:<br />

J. Hasi, Manchester<br />

C. Kenney, MBC at CIS-Stanford<br />

50 µm<br />

50 µm<br />

50 µm<br />

2E<br />

400 µm<br />

p 103µm<br />

Vfd ~20V<br />

3E<br />

400 µm<br />

4E<br />

n<br />

n<br />

p<br />

71 µm<br />

Vfd ~8V<br />

400 µm<br />

p<br />

Vfd ~5V<br />

n<br />

56 µm<br />

Thickness <br />

p-type substrate 12kΩcm<br />

Baby-2E Baby-3E<br />

Financial support:<br />

STFC-UK for the FP420 project<br />

DOE, USA for ATLAS Upgrade<br />

10 wafers competed. Yield~80% (1 wafer)<br />

Atlas chip<br />

picture from<br />

Bekerle<br />

Vertex03<br />

ATLAS <strong>pixel</strong> chip<br />

7.2 x 8 mm 2<br />

2880 <strong>pixel</strong>s

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