The CCD 297 is an intra-oral dental sensor that utilizes a “full frame transfer” architecture and was designed specifically for digital radiography. The design of this CCD chip is also enhanced by the use of a patented architecture which allows the corners of the chip to be "clipped" or chamfered. The resulting non-rectangular array provides more comfort to the patient when inserted in the mouth. This architecture places the horizontal output register in the center of the imaging area instead of at one end. Besides the ergonomic benefits, the resulting "center readout register" provides an additional benefit. The register is used to detect the initiation of an x-ray and can alert the system to such an occurrence. Once the x-ray is detected, the center readout register then goes into the imaging mode and is utilized like the rest of the imaging area. The CCD 297 sensor assembly consists of a chip assembly (CCD chip, ceramic substrate, fiber optic faceplate, scintillator), housing and cable.

1600 x 1280 photosite array Full frame transfer imager 4 clipped corners Center readout register Multi-pinned phase (MPP) Three-phase buried channel NMOS Fiber optic faceplate Scintillator

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