Abstract: An aluminum alloy sheet includes an aluminum alloy substrate having a composition containing, by mass percentage, 3.0 to 4.0% of magnesium, 0.2 to 0.4% of manganese, 0.1 to 0.5% of iron, not less than 0.03% but less than 0.10% of copper, and less than 0.20% of silicon, with the remainder being aluminum and unavoidable impurities. A peak concentration of a copper concentration distribution in a thickness direction in a region at a depth of 15 nm to 200 nm from the surface of the aluminum alloy substrate is equal to or more than 0.15%, and the aluminum alloy substrate has a recrystallized structure with an average grain size of 15 ?m or less.

Abstract: The present invention provides an optical waveguide photosensitive resin composition containing a resin component and a photoacid generator, wherein the photoacid generator has a characteristic property (x) such that an absorption limit (O—O transition energy) calculated based on the shape of an ultraviolet spectrum obtained by spectrometrically analyzing a 0.1 wt % propylene carbonate solution of the photoacid generator by means of an ultraviolet/visible spectrophotometer is 3.5 to 4.1 eV. Where an optical waveguide core layer is formed by using the inventive optical waveguide photosensitive resin composition, for example, the optical waveguide core layer has a lower loss, and is excellent in patternability and reflow resistance.

Abstract: According to the present invention, a photosensitive resin composition for an optical waveguide contains a resin component and a photopolymerization initiator. The resin component has an absorbance of less than 0.03 as measured at 2960 cm?1 by an attenuated total reflection measurement (ATR) method by means of a Fourier transform infrared spectrophotometer (FT-IR), and includes a polymerizable substituent-containing resin as a main component. Where the inventive optical waveguide photosensitive resin composition is used as a material for the optical waveguide, particularly as a core layer formation material for the optical waveguide, it is possible to reduce a loss, for example, by avoiding vibrational absorption occurring at an optical waveguide transmission light wavelength of 850 nm due to a resin skeleton.

Abstract: The present disclosure relates to a control device, a medical device, and a medical device system that enable to provide a user who tries to connect the medical device to the control device with user support information including a result of compatibility determination between the devices. A control device according to one aspect of the present disclosure is provided with a connector joint to which a connector unit provided on a cable extending from a medical device is connected, a communication unit that performs radio communication with the connector unit by proximity radio communication, and a notification unit that notifies a user of user support information based on information from the medical device received by the communication unit. The present disclosure is applicable to an endoscopic surgical system, for example.

Abstract: The present invention provides a photosensitive epoxy resin composition for an optical waveguide. The photosensitive epoxy resin composition contains: (A) a cresol novolak polyfunctional epoxy resin, the cresol novolak polyfunctional epoxy resin not being fluorene skeleton-containing epoxy resins (C) and (D); (B) a solid bisphenol-A epoxy resin; (C) a solid fluorene skeleton-containing epoxy resin; (D) a liquid fluorene skeleton-containing epoxy resin; and (E) a cationic curing initiator, wherein the components (A) to (E) are each present in a proportion falling within a predetermined range based on the amount of the overall epoxy resin component. Therefore, the photosensitive epoxy resin composition is excellent in coatability, patterning resolution, roll-to-roll process adaptability and the like, and has higher transparency and heat resistance.

Abstract: An aluminum alloy sheet which has high strength enabling application to automobile body sheet and which is excellent in press-formability and shape fixability and a method of production of the same are provided. Aluminum alloy sheet having a composition of ingredients which contains Mg, Fe, and Ti, restricts the impurity Si to less than 0.20 mass %, and has a balance of Al and unavoidable impurities and a metal structure with an average grain size of less than 15 ?m and having second phase particles with a circle equivalent diameter of 3 ?m or more in a number of less than 300/mm2 and having a tensile strength of 240 MPa or more, a yield strength of less than 130 MPa, an elongation of 30% or more, and a plane strain fracture limit at a strain rate of 20/sec of 0.20 or more.

Abstract: An optical waveguide photosensitive resin composition containing an aliphatic resin having a polymerizable substituent and a photopolymerization initiator, in which the aliphatic resin having the polymerizable substituent is formed of a side-chain polyfunctional aliphatic resin (A) and a bifunctional long-chain aliphatic resin (B), is provided. Accordingly, the composition brings together high transparency, satisfactory roll-to-roll compatibility, and a high resolution patterning property, and has excellent reflow resistance. Therefore, the composition is useful as a material for forming an optical waveguide, especially a core layer-forming material.

Abstract: There is provided a surgical system including a monitoring sensor configured to sense a characteristic of a surgical site within a body, in a sensing region of the surgical site which includes at least a part of a region outside a display field of an endoscope, and circuitry configured to detect an occurrence of a medical abnormality in the region outside the display field of the endoscope based on a result of the sensing by the monitoring sensor, and generate notification information regarding the detected medical abnormality.

Abstract: [Object] To make it possible to more stably perform communication. [Solution] There is provided a communication control device including: a communication status grasping unit configured to grasp a communication status of wireless communication of image information between an image shooting device and a surgical site image information acquiring unit on the basis of an operating room image showing a situation of an operating room, the image shooting device capturing an image of a surgical site of a patient, the surgical site image information acquiring unit acquiring information on a surgical site image captured by the image shooting device for display control of the surgical site image; and a communication method deciding unit configured to decide a communication method between the image shooting device and the surgical site image information acquiring unit on the basis of the grasped communication status.

Abstract: [Object] To make it possible to more stably perform communication. [Solution] There is provided an observation device including: an image shooting unit composed of a first housing and configured to capture an image of a surgical site of a patient; and a communication unit composed of a second housing disposed away from the first housing, and configured to wirelessly transmit, to an external device, image information on the surgical site the image of which is captured by the image shooting unit.

Abstract: Disclosed is a photosensitive resin composition for an optical waveguide containing a resin component and a photoacid generator. In the photosensitive resin composition, the resin component is constituted of an epoxy resin component containing both an aromatic epoxy resin and an aliphatic epoxy resin, and the content of the aromatic epoxy resin is 55 wt. % or more and less than 80 wt. % of the entirety of the epoxy resin component and the content of the aliphatic epoxy resin is more than 20 wt. % and 45 wt. % or less of the entirety of the epoxy resin component. Accordingly, for example, when a core layer of an optical waveguide is formed using the disclosed photosensitive resin composition for an optical waveguide, a core layer of an optical waveguide having satisfactorily low tackiness and high transparency while maintaining satisfactory roll-to-roll compatibility and a high resolution patterning property can be formed.

Abstract: Provided is an optical waveguide photosensitive resin composition containing a photocurable resin and a photopolymerization initiator, in which the photopolymerization initiator is a specific photoacid generator represented by the general formula (1). Accordingly, when a core layer is formed by using the optical waveguide photosensitive resin composition as a material for forming an optical waveguide, especially a core layer-forming material, excellent high transparency (low loss effect) is obtained. In the formula (1), R1 and R2 each represent hydrogen or an alkyl group having 1 to 15 carbon atoms, and may be identical to or different from each other.

Abstract: Provided is an optical waveguide photosensitive resin composition containing a resin component and a photopolymerization initiator, in which the resin component contains an aliphatic resin having a polymerizable substituent as a main component. Accordingly, when, for example, the core layer of an optical waveguide is formed by using the optical waveguide photosensitive resin composition, the optical waveguide has high transparency, and vibration absorption derived from a resin skeleton at a wavelength of 850 nm serving as the wavelength of light propagating through the optical waveguide can be avoided. As a result, a reduction in loss of the optical waveguide can be realized.

Abstract: A surgical control device that includes circuitry that changes an imaging viewpoint of a surgical imaging device in order to maintain a substantially constant distance between a focal point of an object and the surgical imaging device that images the object, based on a first instruction of a user and position information acquired by an acquisition unit implemented by circuitry configured to acquire position information indicating a position of the focal point of the object.

Abstract: The present invention provides an optical waveguide photosensitive resin composition containing a resin component and a photoacid generator, wherein the photoacid generator has a characteristic property (x) such that an absorption limit (O-O transition energy) calculated based on the shape of an ultraviolet spectrum obtained by spectrometrically analyzing a 0.1 wt % propylene carbonate solution of the photoacid generator by means of an ultraviolet/visible spectrophotometer is 3.5 to 4.1 eV. Where an optical waveguide core layer is formed by using the inventive optical waveguide photosensitive resin composition, for example, the optical waveguide core layer has a lower loss, and is excellent in patternability and reflow resistance.

Abstract: According to the present invention, a photosensitive resin composition for an optical waveguide contains a resin component and a photopolymerization initiator. The resin component has an absorbance of less than 0.03 as measured at 2960 cm?1 by an attenuated total reflection measurement (ATR) method by means of a Fourier transform infrared spectrophotometer (FT-IR), and includes a polymerizable substituent-containing resin as a main component. Where the inventive optical waveguide photosensitive resin composition is used as a material for the optical waveguide, particularly as a core layer formation material for the optical waveguide, it is possible to reduce a loss, for example, by avoiding vibrational absorption occurring at an optical waveguide transmission light wavelength of 850 nm due to a resin skeleton.

Abstract: The present invention provides a photosensitive epoxy resin composition which contains: (A) a cresol novolak polyfunctional epoxy resin; (B) a liquid epoxy resin having a fluorene skeleton in its main chain; and (C) a photoacid generator; wherein the components (A) and (B) are present in a mixing weight ratio of (A)/(B)=40/60 to 60/40. Where the inventive photosensitive epoxy resin composition is used as an optical waveguide forming material, particularly as an optical waveguide core layer forming material for formation of a core layer, the optical waveguide core layer can be formed as having excellent reflow resistance and a lower loss through a coating process and a roll-to-roll process without altering the conventional production process.

Abstract: Provided is an optical waveguide photosensitive resin composition containing a photocurable resin and a photopolymerization initiator, in which the photopolymerization initiator is a specific photoacid generator represented by the general formula (1). Accordingly, when a core layer is formed by using the optical waveguide photosensitive resin composition as a material for forming an optical waveguide, especially a core layer-forming material, excellent high transparency (low loss effect) is obtained. In the formula (1), R1 and R2 each represent hydrogen or an alkyl group having 1 to 15 carbon atoms, and may be identical to or different from each other.

Abstract: An optical waveguide photosensitive resin composition containing an aliphatic resin having a polymerizable substituent and a photopolymerization initiator, in which the aliphatic resin having the polymerizable substituent is formed of a side-chain polyfunctional aliphatic resin (A) and a bifunctional long-chain aliphatic resin (B), is provided. Accordingly, the composition brings together high transparency, satisfactory roll-to-roll compatibility, and a high resolution patterning property, and has excellent reflow resistance. Therefore, the composition is useful as a material for forming an optical waveguide, especially a core layer-forming material.

Abstract: Provided is an optical waveguide photosensitive resin composition containing a resin component and a photopolymerization initiator, in which the resin component contains an aliphatic resin having a polymerizable substituent as a main component. Accordingly, when, for example, the core layer of an optical waveguide is formed by using the optical waveguide photosensitive resin composition, the optical waveguide has high transparency, and vibration absorption derived from a resin skeleton at a wavelength of 850 nm serving as the wavelength of light propagating through the optical waveguide can be avoided. As a result, a reduction in loss of the optical waveguide can be realized.