Abstract: The present invention provides a diffuser plate and a method for producing a diffuser plate that can improve variations in luminance of transmitted light or reflected light in a simple structure and that enable easy design and production.

Abstract: The present disclosure provides a diffuser plate capable of achieving excellent appearance quality when an image is projected. A transmissive diffuser plate including a microlens angle modulation distribution group provided on at least one of a light incident surface and a light emitting surface is provided. A microlens angle modulation distribution group includes a plurality of microlenses and an angle modulation part having an angle modulation distribution for angle-modulating a direction of main light emitted from each of the plurality of microlenses. When a ratio ?/P of a wavelength ? [?m] of the main light to an average arrangement period P [?m] of the microlens is denoted by ? [rad], and when the direction of the main light emitted from each of the plurality of microlenses is modulated by a modulation angle ? [rad], a ratio ?/? of the modulation angle ? to ? satisfies 0.1<?/?<10.0.

Abstract: The present invention provides a method for designing a light diffusion pattern with which a light diffusion pattern to exhibit desired light diffusion properties can be designed depending on a few systematic procedures. The method includes a lens data preparation step of preparing lens data having desired light diffusion properties, a placement step of placing a plurality of lens data (100) prepared in the lens data preparation step in a predetermined region (200), a cutting step of, when an overlap (210) of lenses (100) occurs in the placement step, cutting out a part (421) of a lens shape to eliminate the overlap (210), and a repositioning step of replicating a shape of the cutout part (421) and repositioning it to another place.

Abstract: The present disclosure provides a composite diffuser plate capable of inhibiting luminance unevenness from occurring locally. Provided is a composite diffuser plate (100, 200, 300) including a first diffuser plate (10) and a second diffuser plate (20, 30) arranged in this order from an incident side. At least one of the first diffuser plate (10) and the second diffuser plate (20, 30) is composed of a random microlens array (10) including a plurality of microlenses (12). The plurality of microlenses (12) include a plurality of parameters defining a lens shape. At least one of the plurality of parameters is randomly distributed. The random microlens array (10) causes a phase difference to be generated in transmitted light.

Abstract: A diffuser plate includes a plurality of fine structures having two or more types of lens functions arranged on a main surface. Intensity of diffused light within a desired diffusion angle range is substantially uniform, and the diffuser plate satisfies a relation of P×P×Sk?400 [?m2], where P is an average pitch of the plurality of fine structures, Sk is a standard deviation of relative luminance of the plurality of fine structures in their front directions, P?200 [?m], and Sk?0.005. Thus, it is possible to provide a diffuser plate having a simple structure capable of achieving optical properties with little luminance and color unevenness and excellent appearance quality when an image is projected.

Abstract: Provided is a coating apparatus that allows high-quality coating by causing a coated object to pass through a falling curtain of paint without vibrating the coated object. A coating apparatus 1, which coats a surface of a plate-shaped coated object M, includes: a table 10, on which the coated object M is disposed; a flow coater head 20, from which a curtain of paint P falls; a gutter-shaped liquid receiver 30, which is disposed below the flow coater head 20 and which collects the paint P falling from the flow coater head 20; and a horizontal conveying portion 41, which conveys the table 10, on which the coated object M is disposed, in a horizontal direction to pass through the paint P falling from the flow coater head 20.

Abstract: The present invention provides a diffuser plate and a method for producing a diffuser plate that can improve variations in luminance of transmitted light or reflected light in a simple structure and that enable easy design and production.

Abstract: The present invention provides a diffuser plate in a simple structure capable of achieving optical properties with less luminance irregularity and color irregularity and good quality of appearance. A diffuser plate is a diffuser plate where a plurality of microlenses are placed on a principal surface, shapes of the plurality of microlenses along a cross-section perpendicular to the principal surface are different from one another and do not have an axis of symmetry. A method for designing the diffuser plate includes steps of determining a specific reference microlens; placing the reference microlens on the principal surface; forming a specific phase modulation shape; and determining a shape of the plurality of microlenses by combining the specific reference microlens and the specific phase modulation shape.

Abstract: A control apparatus that causes data in a first storage unit to be written in a second storage unit, with power supplied from a sub power supply, when supply of power from a main power supply is discontinued, the control apparatus includes a remaining feed duration obtaining unit that obtains remaining feed duration during which the sub power supply can supply the power; and a retry count setting unit that sets a maximum retry count for writing the data from the first storage unit to the second storage unit, based on the remaining feed duration obtained by the remaining feed duration obtaining unit, when an error occurs while the data is being written.

Abstract: The present invention provides a method for designing a light diffusion pattern with which a light diffusion pattern to exhibit desired light diffusion properties can be designed depending on a few systematic procedures. The method includes a lens data preparation step of preparing lens data having desired light diffusion properties, a placement step of placing a plurality of lens data (100) prepared in the lens data preparation step in a predetermined region (200), a cutting step of, when an overlap (210) of lenses (100) occurs in the placement step, cutting out a part (421) of a lens shape to eliminate the overlap (210), and a repositioning step of replicating a shape of the cutout part (421) and repositioning it to another place.

Abstract: A ceramic substrate is provided that includes a ceramic substrate main body including a principal surface, a connecting terminal portion disposed on the principal surface of the ceramic substrate main body that is capable of being connected to another component via solder, the connecting terminal portion including a copper layer and a coating metal layer covering a surface of the copper layer; a contact layer of titanium or chromium disposed between the ceramic substrate main body and the connecting terminal portion; and an intermediate layer disposed between the copper layer of the connecting terminal portion and the contact layer, the intermediate layer including one of a titanium-tungsten alloy, a nickel-chromium alloy, tungsten, palladium, and molybdenum. The contact layer and the intermediate layer are set back from a side surface of the copper layer in a substrate plane direction.

Abstract: A ceramic substrate is provided that includes a ceramic substrate main body having a principal surface, and a connecting terminal portion disposed on the principal surface of the ceramic substrate main body that is capable of being connected to another component via solder. The connecting terminal portion includes a copper layer and a coating metal layer covering a surface of the copper layer. The ceramic substrate includes a contact layer disposed between the ceramic substrate main body and the copper layer. The contact layer includes one of a nickel-chromium alloy, chromium, molybdenum, and palladium, and is set back from a side surface of the copper layer in a substrate plane direction.

Abstract: A write DMA includes a write unit, a read unit and a parity generation unit. The read unit reads parity data from one of two NAND flashes storing the parity data therein. The parity generation unit generates parity data based on the read parity data and a plurality of stripes obtained by dividing user data. The write unit writes a stripe into any of a plurality of NAND flashes storing stripes therein, and writes generated parity data into the other NAND flash from which parity data is not read.

Abstract: A control apparatus that causes data in a first storage unit to be written in a second storage unit, with power supplied from a sub power supply, when supply of power from a main power supply is discontinued, the control apparatus includes a remaining feed duration obtaining unit that obtains remaining feed duration during which the sub power supply can supply the power; and a retry count setting unit that sets a maximum retry count for writing the data from the first storage unit to the second storage unit, based on the remaining feed duration obtained by the remaining feed duration obtaining unit, when an error occurs while the data is being written.

Abstract: A storage apparatus includes a storage medium configured to store data and a control unit configured to control access to the storage medium. The control unit includes first storage configured to store data to be stored in the storage medium, a second storage configured to store data, a control information generator configured to generate control information indicating a storage state of the data in the first storage and a transfer controller configured to control transfer of the data stored in the first storage to the second storage on the basis of the control information generated by the control information generator when the supply of power to the control unit is stopped.

Abstract: A control apparatus includes a capacitor to store electric power supplied from the power supply unit and to supply the stored electric power to the control apparatus when the power supply from the power supply unit is stopped, a first nonvolatile memory, a second nonvolatile memory, a first controller, and a second controller. The first controller writes the data, stored in the cache memory, into the first nonvolatile memory when the external power supply is stopped verifies whether the data stored in the first nonvolatile memory is normal, and sends information of area where the data in the first nonvolatile memory is not normal when the verification indicates that the writing is not normal. And the second controller writes the information sent from the first controller into the second nonvolatile memory.

Abstract: An access control apparatus for controlling an access to a storage device, the access control apparatus includes a measuring unit configured to measure the time to erase data stored in the storage device, and a determination unit configured to determine a data size of an error correcting code added to data stored in the storage device in accordance with the time measured by the measuring unit. The access control apparatus includes a generation unit configured to generate the error correcting code having the data size determined by the determination unit, and an access controller configured to write the data and the error correcting code generated by the generation unit into the storage device.

Abstract: A non-volatile semiconductor memory device includes: a memory unit including a plurality of memory cells, each of the plurality of memory cells to perform a multi-level storage operation by assigning a value including a plurality of bits to at least four data states defined according to a threshold level; and a controller to control the memory unit, wherein the controller sets at least one of the plurality of bits to an error correction bit that indicates one of a first state and a second state; assigns the first state to the error correction bits that correspond to the data states having a minimum threshold level and a maximum threshold level and the second state to the error correction bits that correspond to the data state having other threshold level; and resets the error correction bit to the first state when the error correction bit indicates the second state.

Abstract: A ceramic substrate is provided that includes a ceramic substrate main body having a principal surface, and a connecting terminal portion disposed on the principal surface of the ceramic substrate main body that is capable of being connected to another component via solder. The connecting terminal portion includes a copper layer and a coating metal layer covering a surface of the copper layer. The ceramic substrate includes a contact layer disposed between the ceramic substrate main body and the copper layer. The contact layer includes one of a nickel-chromium alloy, chromium, molybdenum, and palladium, and is set back from a side surface of the copper layer in a substrate plane direction.

Abstract: A ceramic substrate is provided that includes a ceramic substrate main body including a principal surface, a connecting terminal portion disposed on the principal surface of the ceramic substrate main body that is capable of being connected to another component via solder, the connecting terminal portion including a copper layer and a coating metal layer covering a surface of the copper layer; a contact layer of titanium or chromium disposed between the ceramic substrate main body and the connecting terminal portion; and an intermediate layer disposed between the copper layer of the connecting terminal portion and the contact layer, the intermediate layer including one of a titanium-tungsten alloy, a nickel-chromium alloy, tungsten, palladium, and molybdenum. The contact layer and the intermediate layer are set back from a side surface of the copper layer in a substrate plane direction.