Patent application number | Description | Published |
20090032854 | IMAGE SENSOR AND SENSOR UNIT - This image sensor is so formed as to control at least either the potential of a portion of a transfer channel corresponding to a third electrode or the potential of another portion of the transfer channel corresponding to a fourth electrode to be lower than the potentials of portions of the transfer channel corresponding to a first electrode and a second electrode respectively in a signal charge transferring operation and a signal charge increasing operation. | 02-05-2009 |
20090057724 | IMAGE SENSOR AND SENSOR UNIT - An image sensor includes a charge storage portion for storing and transferring signal charges, a first electrode for forming an electric field storing the signal charges in the charge storage portion, a charge increasing portion for increasing the signal charges stored in the charge storage portion and a second electrode for forming another electric field increasing the signal charges in the charge increasing portion, wherein the quantity of the signal charges storable in the charge storage portion is not less than the quantity of the signal charges storable in the charge increasing portion. | 03-05-2009 |
20090057734 | IMAGE SENSOR - An image sensor includes a photoelectric conversion portion generating signal charges, a first electrode for forming an electric field transferring the signal charges generated by the photoelectric conversion portion, formed to be adjacent to the photoelectric conversion portion; and a second electrode for forming an electric field transferring the signal charges, provided on a side opposite to the photoelectric conversion portion with respect to the first electrode and formed to partially extend on the first electrode. | 03-05-2009 |
20090134437 | IMAGE SENSOR AND CMOS IMAGE SENSOR - In an image sensor, a first electrode, a second electrode, a third electrode and a fourth electrode are formed between a photoelectric conversion portion and a voltage conversion portion and are provided so as not to overlap with at least a part of the photoelectric conversion portion in plan view. | 05-28-2009 |
20090134438 | Image Sensor - A CMOS image sensor includes an impurity region provided under at least the first electrode, the second electrode and the third electrode for forming a path through which the signal charges transfer, wherein the impurity concentration of a region of the impurity region corresponding to a portion located under the first electrode is higher than the impurity concentration of a region of the impurity region corresponding to each of portions located under at least the second electrode and the third electrode. | 05-28-2009 |
20090315086 | IMAGE SENSOR AND CMOS IMAGE SENSOR - An image sensor includes a first electrode for applying a voltage to a charge storage portion, a second electrode for applying a voltage to a charge increasing portion, a third electrode provided between the first electrode and the second electrode and an impurity region of a first conductive type for forming a path through which the signal charges are transferred, wherein an impurity concentration of a region of the impurity region corresponding to a portion located under the second electrode is higher than an impurity concentration of a region of the impurity region corresponding to a portion located under the third electrode. | 12-24-2009 |
20090316032 | IMAGE SENSOR AND METHOD OF MANUFACTURING IMAGE SENSOR - An image sensor includes an increase portion for impact-ionizing and increasing signal charges, a charge increasing electrode for applying a voltage increasing the signal charges to the increase portion and an insulating film provided between the charge increasing electrode and the increase portion, wherein the insulating film includes a first insulating film made of a thermal oxide film and a second insulating film made of an oxide film, formed on the first insulating film. | 12-24-2009 |
20100013975 | IMAGE SENSOR - This image sensor includes a charge transfer region transferring signal charge, a transfer electrode formed on the surface of the charge transfer region through a first insulating film, an increasing portion provided on the charge transfer region for increasing the signal charge and a transistor, provided on a region other than the charge transfer region, having a second insulating film smaller in thickness than the first insulating film. | 01-21-2010 |
20100194960 | CHARGE INCREASER - This charge increaser includes a charge supplying portion having a signal source formed by a measurement object other than visible light and supplying signal charges corresponding to the signal source and a charge increasing portion for increasing the amount of charges corresponding to the signal charges stored in the charge supplying portion by measuring the measurement object other than visible light. | 08-05-2010 |