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An abuttable CCD imager for visible and X-ray focal plane arrays

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7 Author(s)
Burke, B.E. ; MIT Lincoln Lab., Lexington, MA, USA ; Mountain, R. ; Harrison, D.C. ; Bautz, Marshall W.
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A frame-transfer silicon charge-coupled-device (CCD) imager has been developed that can be closely abutted to other imagers on three sides of the imaging array. It is intended for use in multichip arrays. The device has 420×420 pixels in the imaging and frame-store regions and is constructed using a three-phase triple-polysilicon process. Particular emphasis has been placed on achieving low-noise charge detection for low-light-level imaging in the visible and maximum energy resolution for X-ray spectroscopic applications. Noise levels of 6 electrons at 1-MHz and less than 3 electrons at 100-kHz data rates have been achieved. Imagers have been fabricated on 1000-Ω cm material to maximize quantum efficiency and minimize split events in the soft X-ray regime

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Electron Devices, IEEE Transactions on  (Volume:38 ,  Issue: 5 )