Abstract: An image pickup apparatus for endoscope includes: an imager, an optical device, an optical module on which the optical device is mounted, an optical fiber optically coupled with the optical device, a ferrule having an insertion hole into which the optical fiber is inserted, and a wiring board including a first rigid board, a second rigid board and a flexible intermediate board. The ferrule is fixed to the second rigid board or a first principal surface of the optical module. A first side surface of the optical module is glued to the first rigid board, and the first principal surface is glued to the second rigid board.

Abstract: An image pickup apparatus for endoscope includes: an imager, an optical device, an optical module on which the optical device is mounted, an optical fiber optically coupled with the optical device, a ferrule having an insertion hole into which the optical fiber is inserted, and a wiring board including a first rigid board, a second rigid board and a flexible intermediate board. The ferrule is fixed to the second rigid board or a first principal surface of the optical module. A first side surface of the optical module is glued to the first rigid board, and the first principal surface is glued to the second rigid board.

Abstract: An ink composition according to the present invention contains a polymerizable compound and a photopolymerization initiator, wherein an amount of organic sulfonic acid measured at a temperature of 25° C. by using a water extraction method is 50 ppm or less, and an amount of water measured by a Karl Fischer method is 0.50 mass % or less with respect to a total mass of the ink composition. Also, an ink-jet ink set according to the present invention includes the above-described ink composition of the present invention. Also, an ink-jet printing system according to the present invention uses the above-described ink composition of the present invention and an ink-jet recording apparatus, and the ink-jet recording apparatus includes an ink heating portion and an ink filter.

Abstract: An ink composition according to the present invention contains a polymerizable compound and a photopolymerization initiator, wherein an amount of organic sulfonic acid measured at a temperature of 25° C. by using a water extraction method is 50 ppm or less, and an amount of water measured by a Karl Fischer method is 0.50 mass % or less with respect to a total mass of the ink composition. Also, an ink-jet ink set according to the present invention includes the above-described ink composition of the present invention. Also, an ink-jet printing system according to the present invention uses the above-described ink composition of the present invention and an ink-jet recording apparatus, and the ink-jet recording apparatus includes an ink heating portion and an ink filter.

Abstract: An image pickup module includes a plurality of semiconductor devices laminated via a sealing layer a signal is transmitted via a signal cable connected to a rear surface of the image pickup module, a first semiconductor device has a semiconductor circuit portion in a central area on a first principal plane, through wires in an intermediate area and first electrodes connected to the through wires in the central area on a second principal plane, the second semiconductor device has second electrodes in the central area on a third principal plane, and an external connection terminal to which the signal cable is connected, on a rear surface, and the sealing layer includes a first sealing layer arranged in the central area and a second sealing layer disposed in an outer circumferential area surrounding the intermediate area and with a Young's modulus smaller than a Young's modulus of the first sealing layer.

Abstract: An ink composition according to the present invention contains a polymerizable compound and a photopolymerization initiator, wherein an amount of organic sulfonic acid measured at a temperature of 25° C. by using a water extraction method is 50 ppm or less, and an amount of water measured by a Karl Fischer method is 0.50 mass % or less with respect to a total mass of the ink composition. Also, an ink-jet ink set according to the present invention includes the above-described ink composition of the present invention. Also, an ink-jet printing system according to the present invention uses the above-described ink composition of the present invention and an ink-jet recording apparatus, and the ink-jet recording apparatus includes an ink heating portion and an ink filter.

Abstract: An image pickup module includes a plurality of semiconductor devices laminated via a sealing layer a signal is transmitted via a signal cable connected to a rear surface of the image pickup module, a first semiconductor device has a semiconductor circuit portion in a central area on a first principal plane, through wires in an intermediate area and first electrodes connected to the through wires in the central area on a second principal plane, the second semiconductor device has second electrodes in the central area on a third principal plane, and an external connection terminal to which the signal cable is connected, on a rear surface, and the sealing layer includes a first sealing layer arranged in the central area and a second sealing layer disposed in an outer circumferential area surrounding the intermediate area and with a Young's modulus smaller than a Young's modulus of the first sealing layer.

Abstract: An ink composition according to the present invention contains a polymerizable compound and a photopolymerization initiator, wherein an amount of organic sulfonic acid measured at a temperature of 25° C. by using a water extraction method is 50 ppm or less, and an amount of water measured by a Karl Fischer method is 0.50 mass % or less with respect to a total mass of the ink composition. Also, an inkjet ink set according to the present invention includes the above-described ink composition of the present invention. Also, an ink-jet printing system according to the present invention uses the above-described ink composition of the present invention and an inkjet recording apparatus, and the inkjet recording apparatus includes an ink heating portion and an ink filter.

Abstract: Disclosed is an ink composition for clear layer formation having excellent adhesion properties on substrates, recording layers, and clear layers, as well as excellent overcoat characteristics and refinishing properties. Further disclosed are a coating method for the ink composition, and a printed article formed using the ink composition. The ink composition for clear layer formation is used for forming at least one clear layer on a substrate, or on a printed article on which a printed coating film is formed on a substrate as a recording layer. The ink composition for clear layer formation is characterised in that: the surface free energy of the substrate is 30-45 (mJ/m2); the surface free energy of the recording layer is 40-50 (mJ/m2); the contact angle of the ink composition to the substrate is 30-65 degrees, the contact angle of the ink composition to the recording layer is 40-55 degrees, and the contact angle of the ink composition to the clear layer is 45-60 degrees.

Abstract: An endoscope includes illumination units and an image pickup unit that acquires an object image, in a distal end portion of an insertion portion. Each the illumination unit includes: a light-emitting section including an LED, the light-emitting section outputting light from an upper surface; a wiring board including a recess portion with the light-emitting section disposed therein, and a connection electrode connected to a device electrode of the LED via a relay electrode and an internal wiring in a first principal surface; a prism disposed above the upper surface of the light-emitting section with a transparent resin layer interposed therebetween, the prism changing a direction of the light outputted by the light-emitting section; and a signal cable connected to the connection electrode.

Abstract: A light-emitting device includes: a light-emitting element that generates ultraviolet light; a first wavelength conversion layer placed on the light-emitting element, the first wavelength conversion layer including a plurality of types of phosphor particles dispersed in a transparent resin, each of the plurality of types of phosphor particles converting the ultraviolet light into light having a longer wavelength; and a second wavelength conversion layer placed on at least a part of the first wavelength conversion layer, the second wavelength conversion layer including at least any of the plurality types of phosphor particles dispersed in a transparent resin.

Abstract: Disclosed is an ink composition for clear layer formation having excellent adhesion properties on substrates, recording layers, and clear layers, as well as excellent overcoat characteristics and refinishing properties. Further disclosed are a coating method for the ink composition, and a printed article formed using the ink composition. The ink composition for clear layer formation is used for forming at least one clear layer on a substrate, or on a printed article on which a printed coating film is formed on a substrate as a recording layer. The ink composition for clear layer formation is characterised in that: the surface free energy of the substrate is 30-45 (mJ/m2); the surface free energy of the recording layer is 40-50 (mJ/m2); the contact angle of the ink composition to the substrate is 30-65 degrees, the contact angle of the ink composition to the recording layer is 40-55 degrees, and the contact angle of the ink composition to the clear layer is 45-60 degrees.

Abstract: There is provided an image pickup module which can be formed by a simple process while securing the mechanical strength of an inner lead at the time of bending and when fixed, without increasing an outer dimension of the image pickup module. The image pickup module includes an image pickup element having an image pickup surface, and a flexible substrate is drawn to be directed rearward of the image pickup surface. A guide member which fixes the image pickup element and the flexible substrate is provided, and the guide member includes a portion which is extended along a rear surface of the image pickup element, and a portion which is extended along a gap between the image pickup element and the flexible substrate.

Abstract: A light-emitting apparatus includes a blue color LED, a fluorescent substance mixed transparent resin that covers the blue color LED and generates yellow light, a red LED disposed on the fluorescent substance mixed transparent resin and a transparent resin that covers the red LED.

Abstract: There is provided an image pickup module which can be formed by a simple process while securing the mechanical strength of an inner lead at the time of bending and when fixed, without increasing an outer dimension of the image pickup module. The image pickup module includes an image pickup element having an image pickup surface, and a flexible substrate is drawn to be directed rearward of the image pickup surface. A guide member which fixes the image pickup element and the flexible substrate is provided, and the guide member includes a portion which is extended along a rear surface of the image pickup element, and a portion which is extended along a gap between the image pickup element and the flexible substrate.

Abstract: The semiconductor light emitting device includes a plurality of transparent light emitting elements of the same size which are arranged in a layered manner on an electric substrate by using a wire bonding. On one of the light emitting elements including a bonding wire connected to a bonding pad of the light emitting element, another one of the light emitting elements is layered with a transparent resin layer interposed therebetween, and on the another one of the light emitting elements, yet another one of the light emitting elements is layered in the same state. Emitting lights of the light emitting elements on a lower side transmit the light emitting elements on an upper side, and emitting light of the light emitting element positioned uppermost directly irradiates a surface to be irradiated. Therefore, there is no restriction in size, and high-luminance light emitting elements are mounted in a smaller area.

Abstract: There is disclosed an optical deflector comprising a mirror structure having a first and second surfaces in a front/back relation, single plate base for holding the mirror structure, and a driver for driving the mirror structure. The mirror structure comprises a pair of supports, a movable plate, and a pair of elastic members for connecting the movable plate and the supports, such that the movable plate is able to rock with respect to the supports. The movable plate has a mirror surface on the second surface. The base has an opening for exposing the mirror surface. The supports of the mirror structure are fixed to the base with the second surfaces of the supports in contact therewith. The driver includes a conductive element formed on the first surface of the movable plate, and magnetic field generating elements fixed on the base.

Abstract: A vibrator comprises a vibrating member and a fixing member. The vibrating member has a pair of support members, a movable plate capable of vibrating with respect to the support members, and a pair of elastic members connecting the support members to the movable plate. The fixing member holds the support members of the vibrating member. A material mainly constituting the fixing member has a larger coefficient of thermal expansion than that of a material mainly constituting the elastic members of the vibrating member.

Abstract: An optical scanner has a coil and a reflection face. This optical scanner also has: a movable plate positioned at its neutral position in a stop state; torsion bars connected to the movable plate; a support body turnably supporting the movable plate by means of the torsion bars; and a restriction member disposed at a position spaced with a predetermined distance from a surface of the movable plate. The restriction member comes into physical contact with the movable plate when a shock is applied to the optical scanner. The restriction member restricts a displacement of the movable plate equal to or greater than a predetermined quantity. The movable plate is turned with the torsion bars being a turning axis.

Abstract: A vibrator comprises a vibrating member and a fixing member. The vibrating member has a pair of support members, a movable plate capable of vibrating with respect to the support members, and a pair of elastic members connecting the support members to the movable plate. The fixing member holds the support members of the vibrating member. A material mainly constituting the fixing member has a larger coefficient of thermal expansion than that of a material mainly constituting the elastic members of the vibrating member.