Four-phase charge-coupled device having an oversized electrode
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United States of America Patent
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Apr 22, 1986
Issued Date -
N/A
app pub date -
Mar 19, 1985
filing date -
Jun 5, 1981
priority date (Note) -
Expired
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Abstract
In a 4-phase CCD with 90.degree. overlap of the clock voltages, the area below two clock electrodes may be used for the storage of charge packets which thus can be 2.times. as large as in conventional modes of operation. By choosing the penultimate electrode before the reading stage to be approximately 2.5.times. as large as the other electrodes, this double charge packet can be transferred undivided in time to the output diode, a feature which is particularly advantageous for further signal processing.
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