Abstract: The present invention provides a resin material and a film made of the resin material, the resin material being able to form a molded body having high transparency, excellent mechanical strength, few foreign matter defects, excellent heat stability, excellent solvent resistance, and extremely good appearance. The resin material contains a thermoplastic resin (A) and a polymer (B) satisfying the following conditions. That is, the polymer (B) is a graft copolymer obtained by multistep polymerization, and at least one step of the multistep polymerization is polymerization of a monomer mixture containing: a (meth)acrylic monomer having a ring structure; and (meth)acrylic acid and/or its salt.

Abstract: There is provided a solid-state image pickup device that includes a functional region provided with an organic film, and a guard ring surrounding the functional region.

Abstract: An endoscope includes: an operation portion grasped by an operator; an insertion portion pivotable relative to the operation portion; a switch portion provided on the operation portion and switchable by a grasping hand of the operator; a pulling/relaxing member pulled and relaxed by back and forth movement in the operation portion based on switch operation of the switch portion; and a braking unit that includes a deformation portion deformed by the pulling and the relaxing of the pulling/relaxing member and that restrains or allows rotation of the insertion portion.

Abstract: There is provided a solid-state image pickup device that includes a functional region provided with an organic film, and a guard ring surrounding the functional region

Abstract: Provided are a fluorine-containing (meth)acrylic (co)polymer that scarcely generates gas when subjected to molding process, and is capable of supplying a molded body excellent in external appearance and transparency; a fluorine-containing (meth)acrylic resin film thereof; and a fluororesin laminated resin film having the same properties. The (co)polymer is a fluorine-containing (meth)acrylic (co)polymer obtained by polymerizing a monomer component including 100 to 70% by weight of a fluoroalkyl(meth)acrylate monomer, and 0 to 30% by weight of a different monomer copolymerizable therewith by effect of a radical polymerization initiator having a solubility in water of 0.1% or less by weight at 25 C, and having 8 to 14 carbon atoms.

Abstract: An object of the present invention is to provide a resin material capable of producing a molded body having few defects due to foreign substances, having high mechanical strength, very small in both orientation birefringence and photoelastic birefringence, and having high transparency, and having high transparency even when such a resin material is stretched. Provided is a resin composition containing a resin (A) and a multilayer structure polymer (B), wherein the multilayer structure polymer (B) has a crosslinked polymer layer and a hard polymer layer, and the hard polymer layer has at least two different hard polymer layers, at least one of which is a hard polymer layer (C) opposite in sign of a photoelastic constant to that of the resin (A).

Abstract: A solid-state image pickup unit includes: a first member including a photoelectric conversion section; and a second member including a reflective plate with a concave surface section, the second member being bonded to a surface opposite to a light incident surface of the first member to allow the concave surface section of the reflective plate to face the photoelectric conversion section.

Abstract: An object of the present invention is to provide an optical resin material and an optical film, which are very small in both orientation birefringence and photoelastic birefringence, excellent in transparency, have few defects due to foreign substances, and are excellent in heat resistance and mechanical strength. Provided is an optical resin material containing a graft copolymer (C) obtained by polymerizing a vinyl-based monomer mixture (B) in the presence of a vinyl-based polymer (A) having at least one crosslinked structure layer, wherein the graft copolymer (C) has an orientation birefringence of ?15×10?4 to 15×10?4 and a photoelastic constant of ?10×10?12 to 10×10?12 Pa?1.

Abstract: A distal end bending piece subjected to processing for fastening a nail-plate portion so as to allow seesaw movements is assembled on a proximal end side of a distal end rigid portion, a sleeve is inserted from a rear side, and the sleeve is fitted and fixed to the distal end rigid portion in a state where a distal end bending piece is housed in the sleeve, thereby allowing a first nail-plate portion to elastically press an inner circumferential surface of the sleeve and allowing a second nail-plate portion to elastically press a bottom surface of a recessed portion of the distal end rigid portion at a predetermined contact pressure. Such a configuration enables a secure and stable electrical conduction between the distal end rigid portion and the distal end bending piece without interfering with a reduction in a diameter of the insertion portion.

Abstract: An electronic endoscope includes a plurality of small signal cables that extend from an image pickup unit and are inserted through and disposed in an inner space formed in an insertion portion, wherein the plurality of small signal cables are covered by a metal sheath and thereby brought together to form a single signal cable bundle and are arranged as the single signal cable bundle inside an endoscope cable as far as an operation portion, are arranged inside the operation portion in a state in which the metal sheath is stripped off therefrom inside the operation portion, and the plurality of small signal cables protruding from the metal sheath which is stripped off are arranged in a slackened state inside the operation portion.

Abstract: A solid-state image pickup device includes at least two stacked first and second photoelectric conversion sections in each of a plurality of pixels. Sensitivity of the first photoelectric conversion section to a light incident angle is equivalent to sensitivity of the second photoelectric conversion section to a light incident angle, for each of the pixels.

Abstract: Disclosed herein is a non-birefringent resin material that is very small in both orientation birefringence and photoelastic birefringence, has high transparency, and is capable of providing a molded article having few foreign matter defects and a film made of such a material. The non-birefringent resin material contains a resin (A) and a polymer (B) and has an orientation birefringence of ?1.7×10?4 to 1.7×10?4 and a photoelastic constant of ?4×10?12 to 4×10?12 Pa?1.

Abstract: There is configured a solid-state imaging unit including: a semiconductor base 21 having one surface serving as a circuit formation surface and another surface serving as a light receiving surface; a photoelectric conversion section 22 provided in the semiconductor base 21; a reflection layer 24 provided on the circuit formation surface above the photoelectric conversion section 22; and an insulating section 23 arranged in the reflection layer 24.

Abstract: A solid-state imaging device includes a plurality of photoelectric conversion regions stacked at different depths within a semiconductor substrate of each pixel to photoelectrically convert light of different wavelength bands, and a discharge region formed between the photoelectric conversion regions adjacent to each other in a depth direction of the semiconductor substrate to discharge charges generated by photoelectric conversion in regions between the photoelectric conversion regions.

Abstract: Solid-state imaging devices, methods to produce the solid-state imaging devices, and electronic apparatuses including the solid-state imaging devices, where the solid-state imaging devices include a semiconductor substrate including a light receiving surface; a plurality of photoelectric conversion parts provided within the semiconductor substrate; and a plurality of reflection portions provided in the semiconductor substrate on a side of the photoelectric conversion parts that is opposite from the light receiving surface; where each of the reflection portions includes a reflection plate and a plurality of metal wirings, and where the plurality of metal wirings are disposed in a same layer of the semiconductor substrate as the reflection plate.

Abstract: There is provided a solid-state image pickup device that includes a functional region provided with an organic film, and a guard ring surrounding the functional region

Abstract: A distal end bending piece subjected to processing for fastening a nail-plate portion so as to allow seesaw movements is assembled on a proximal end side of a distal end rigid portion, a sleeve is inserted from a rear side, and the sleeve is fitted and fixed to the distal end rigid portion in a state where a distal end bending piece is housed in the sleeve, thereby allowing a first nail-plate portion to elastically press an inner circumferential surface of the sleeve and allowing a second nail-plate portion to elastically press a bottom surface of a recessed portion of the distal end rigid portion at a predetermined contact pressure. Such a configuration enables a secure and stable electrical conduction between the distal end rigid portion and the distal end bending piece without interfering with a reduction in a diameter of the insertion portion.

Abstract: Provided are a fluorine-containing (meth)acrylic (co)polymer that scarcely generates gas when subjected to molding process, and is capable of supplying a molded body excellent in external appearance and transparency; a fluorine-containing (meth)acrylic resin film thereof; and a fluororesin laminated resin film having the same properties. The (co)polymer is a fluorine-containing (meth)acrylic (co)polymer obtained by polymerizing a monomer component including 100 to 70% by weight of a fluoroalkyl(meth)acrylate monomer, and 0 to 30% by weight of a different monomer copolymerizable therewith by effect of a radical polymerization initiator having a solubility in water of 0.1% or less by weight at 25 C, and having 8 to 14 carbon atoms.

Abstract: A solid-state imaging device includes a plurality of photoelectric conversion regions stacked at different depths within a semiconductor substrate of each pixel to photoelectrically convert light of different wavelength bands, and a discharge region formed between the photoelectric conversion regions adjacent to each other in a depth direction of the semiconductor substrate to discharge charges generated by photoelectric conversion in regions between the photoelectric conversion regions.

Abstract: A solid-state imaging device of the type having photoelectric conversion elements formed in a matrix pattern on a semiconductor substrate, vertical transfer elements each of which reads signal charges from the photoelectric conversion elements arranged in the column direction and transfers the signal charges in the vertical direction, and a horizontal transfer element which transfers in the horizontal direction the signal charges sent from each of the vertical transfer elements, the horizontal transfer element includes: a charge transfer channel; a first transfer electrode; a second transfer electrode; and an interelectrode insulating film; with the first transfer electrode and the second transfer electrode being at the same potential.