摘要:
The charge read out efficiency of a line sensor utilizing a large photodiode is improved. A line sensor formed of a photoelectric converting portion utilizing a photodiode divided into a plurality of regions and having a potential inclination configuration wherein the potential wells thereof become deeper the closer the position thereof is to a readout gate is provided.
摘要:
A charge read-out method and a solid-state imaging device capable of shortening a read-out time of charges stored in a plurality of light receiving units arranged linearly are provided. The charge read-out method includes the steps of moving the charges, which are generated and stored in the plurality of light receiving units linearly arranged by receiving light, to charge transfer paths disposed along a row of the light receiving units on both sides thereof, transferring the charges along the charge transfer paths to an output unit, and calculating a sum of converted values based on amounts of the charges transferred from the charge transfer paths for outputting.
摘要:
A radiation-image data readout apparatus in which the charge transferring time occurring during a readout operation utilizing a line sensor having a broad-width light-receiving portion is shortened is provided. A line sensor having two photodiode portions, each having a width of 100 um, disposed adjacently with a microscopic gap therebetween, and a charge transferring device corresponding to each photodiode portion provided on the exterior side in the width direction of each corresponding photodiode portion, are provided.
摘要:
In the obtainment of image signals by receiving emitted light, generated by a stimulable phosphor sheet due to irradiation thereof by an excitation light, at the light receiving surfaces of photoelectric conversion elements, then obtaining an electrical image signal based on the charges stored in the photoelectric conversion elements by an image signal obtainment means comprising a charge transfer path and an output circuit, the area surrounding the light receiving surfaces of the photoelectric conversion elements have been covered by a filter that absorbs only blue light, and the emitted light is received.
摘要:
A linear image sensor chip is manufactured by forming an image pickup section, peripheral circuit sections, a plurality of bonding pads, and a light-suppressing layer on a semiconductor substrate having an elongated shape. In this case, each of the bonding pads is formed outer than photodiode groups in the image pickup section along a longitudinal direction of the semiconductor substrate. Even if the dynamic range of an image reader utilizing such a linear image sensor chip is broadened, it is possible to suppress generation of noises without lowering the sensitivity.
摘要:
A linear image sensor is constituted to include a red diode line 11, a green diode line 12 and a blue diode line 13, and the green diode line 12 positioned between the red diode line 11 and the blue diode line 13 is provided with a shift of an approximately ½ pitch in the vertical direction of a photodiode as shown. Electric charge transfer channels 21, 22 and 23 for transferring signal charges detected by the photodiodes are formed close to the red diode line 11, the green diode line 12 and the blue diode line 13 respectively, and take a winding shape extended in a main scanning direction. Signal charges read onto the electric charge transfer channels 21, 22 and 23 are transferred in the main scanning direction and are output from output ends OUT31, OUT32 and OUT33.
摘要:
A method and apparatus for controlling a multi-gas sensor, including an NOX sensor section and an ammonia sensor section. The NOX sensor section includes a first pumping cell adapted to pump oxygen into or out of a gas under measurement introduced into a first measurement chamber, and a second pumping cell communicating with the first measurement chamber and configured such that a second pumping current Ip2 corresponds to an NOX concentration of the gas under measurement. Oxygen concentration is calculated on the basis of a first pumping current flowing through the first pumping cell, and a corrected ammonia concentration is calculated on the basis of the oxygen concentration and the ammonia concentration output of the ammonia sensor section.
摘要:
A red phosphor where the crystal phase constituting the phosphor is monoclinic Eu-activated CaAlSiN3. A red phosphor which is Eu-activated CaAlSiN3 powder having an average particle diameter of 10 μm or less as measured in the non-pulverized state by the laser scattering particle size distribution analysis. A light-emitting device comprising a blue light-emitting element, a yellow phosphor capable of converting the blue light emitted from the blue light-emitting element into yellow light, and the above-described red phosphor capable of converting the blue light emitted from the blue light-emitting element into red light. A method for producing Eu-activated CaAlSiN3, comprising firing a raw material powder comprising Ca3N2, AlN, Si3N4 and EuN at 1,400 to 2,000° C. in a nitrogen-containing atmosphere, the Ca3N2, AlN and Si3N4 giving a composition falling in the region surrounded by a straight line connecting the following four points A to D in the composition diagram of FIG. 1, and EuN being contained in an amount of 0.01 to 10 parts by weight as Eu per 100 parts by weight in total of Ca3N2, AlN and Si3N4.
摘要:
A solid state imaging device comprises a semiconductor substrate defining a two-dimensional surface, a plurality of photoelectric conversion elements disposed in a light receiving area of said semiconductor substrate in a plurality of rows and columns, color filters in a plurality of colors, each color filter being arranged in correspondence with each photoelectric conversion element, wherein at least a color defining resolution corresponds to two photoelectric conversion elements adjacent to each other in a horizontal direction or in a vertical direction, a vertical electric charge transferring device that vertically transfers signal electric charges generated by the photoelectric conversion elements, a horizontal electric charge transfer device that horizontally transfers the signal electric charges transferred by the vertical electric charge transferring device, and an output device that outputs the signal electric charges transferred by the horizontal electric charge transferring device.
摘要:
A drain region is formed along a horizontal charge transfer channel constituting a horizontal charge transfer element, and a barrier region for charges is formed between the horizontal charge transfer channel and drain region. A two-electrode element is formed by using the horizontal charge transfer channel, barrier region and drain region. A solid state image pickup device can be manufactured with high productivity, which device can drain charges in the horizontal charge transfer element at high speed.