Device for subtracting or adding charge in a charge-coupled...

H - Electricity – 01 – L

Patent

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Details

H01L 31/113 (2006.01) H01L 31/00 (2006.01)

Patent

CA 2576338

The present invention provides an apparatus for adding or subtracting an amount charge to or from a charge packet in a CCD as the packet traverses the CCD. The apparatus uses a "wire transfer" device structure to perform the addition or subtraction of charge during the charge packets traversal across the device. A pair of electrically interconnected diffusions are incorporated within the charge couple path to provide an amount of charge which can be added or subtracted from packets as the packets traverse the CCD.

La présente invention concerne un appareil destiné à ajouter une charge à un paquet de charge ou à la soustraire de ce paquet dans un dispositif à couplage de charge (DCC) lorsque le paquet traverse ce DCC. Cet appareil fait appel à une structure de dispositif de "transfert filaire" pour réaliser l'addition ou la soustraction de la charge pendant que les paquets de charge traversent le dispositif. Une paire de moyens de diffusion électriquement connectés sont intégrés dans le chemin de couplage de charge en vue de l'obtention d'une quantité de charge pouvant être ajoutée aux paquets ou soustraite des paquets lorsqu'ils traversent le DCC.

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