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ESPROS Announces TDI Imager Process

ESPROS' Jan 2013 Chips newsletter (subscription-only) announces CMOS process with CCD-like TDI functionality:

"This apparently simple concept is very difficult to implement in CMOS technology since a true charge handling over several stages is normally not provided. This is whereour ESPROS Photonic CMOS process plays its strengths. In a pure CCD process, the core pixels could be implemented straightforward (in-fact a 2D CCD array does the job), but there is no performance analog circuitry available to gather, multiplex and amplify the incoming lines on one or few output pads at the required speed.

In close cooperation with a very ambitious customer, epc engineers created an implementation of the TDI concept in the ESPROS Photonic CMOS process. The challenging requirements were assessed using device simulation and optimum structures were selected for the test-chip, which is currently in production.
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ESPROS Announces TDI Imager Process ESPROS Announces TDI Imager Process Reviewed by MCH on January 30, 2013 Rating: 5

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