Abstract: Provided is a structure for individual authentication in which a pillar pattern region including a plurality of nanopillars formed of synthetic quartz glass is formed on at least a part of a surface portion of a synthetic quartz glass substrate. In the pillar pattern region, the nanopillars have an indentation elastic modulus of 35 to 100 GPa as measured by a nanoindentation method, and the nanopillars are plastically deformed.

Abstract: A turbine and so on capable of enabling high reliability are provided. In the turbine of an embodiment, a turbine rotor is accommodated in a turbine casing, and is rotated by a working medium which is introduced after flowing in an inlet pipe of a combustor. A sleeve is provided at the turbine casing, and accommodates the inlet pipe therein. Here, the sleeve is thicker than the inlet pipe, and a cooling fluid whose temperature is lower than the working fluid flows between the inlet pipe and the sleeve.

Abstract: A fixing device includes: an optical system that includes a lens serving as a light guiding path and concentrates laser light for image fixing at an interface between the lens and a recording material; a holding part that holds the lens of the optical system; an operating part that rotates together with the holding part; and a suppressing unit that suppresses propagation of energy of the laser light from the holding part to the operating part.

Abstract: A fixing device includes: an optical system that includes a lens serving as a light guiding path and concentrates laser light for image fixing at an interface between the lens and a recording material; a holding part that holds the lens of the optical system; an operating part that rotates together with the holding part; and a suppressing unit that suppresses propagation of energy of the laser light from the holding part to the operating part.

Abstract: A control method executed by an information processing apparatus that includes a plurality of communication ports, the control method includes storing a port list including information of the plurality of communication ports and addresses respectively allocated to one of the plurality of communication ports; detecting that an address, which belongs to a communication segment of a first communication port among the plurality of communication ports, is not set to a device coupled to the first communication port, the communication segment indicating a group of addresses that are capable of mutual communication; specifying a second communication port to which an address that belongs to a second communication segment of the device, is set; updating the port list by exchanging an address allocated to the specified second communication port, and an address allocated to the first communication port; and executing communication with the device based on the updated port list.

Abstract: Provided is an illuminating device including a cylindrical lens in which a light incidence surface and a light emission surface, which are opposite to each other, extend in a longitudinal direction, and a light source that is disposed in such a manner that a positional relationship between a paraxial virtual image of the light source due to the light incidence surface of the cylindrical lens and a center of curvature of the light emission surface is in a predetermined range.

Abstract: In a semiconductor device, an active region includes: a first impurity region to which a predetermined voltage is applied; second and third impurity regions forming a pair of conductive electrodes of an insulated gate field effect transistor; and at least one impurity region disposed between the first and second impurity regions. A voltage that causes electrical conduction between the second and third impurity regions is applied to a gate electrode disposed between the second and third impurity regions. All gate electrodes disposed between the first and second impurity regions are configured to be electrically connected to the first impurity region constantly. All impurity regions disposed between the first and second impurity regions are electrically isolated from the first and second impurity regions and maintained in a floating state.

Abstract: A successive approximation type AD converter includes: a comparator comparing an analog input signal and a DA-converted comparison code; and a control circuit. When an output of the comparator settles before a limit time period has passed since the comparator started a comparison operation, the control circuit updates the comparison code on the basis of the settled output of the comparator. When the limit time period has passed before the output of the comparator settles, the control circuit updates the comparison code not on the basis of the present output of the comparator.

Abstract: A successive approximation type AD converter includes: a comparator comparing an analog input signal and a DA-converted comparison code; and a control circuit. When an output of the comparator settles before a limit time period has passed since the comparator started a comparison operation, the control circuit updates the comparison code on the basis of the settled output of the comparator. When the limit time period has passed before the output of the comparator settles, the control circuit updates the comparison code not on the basis of the present output of the comparator.

Abstract: Provided is an illuminating device including a cylindrical lens in which a light incidence surface and a light emission surface, which are opposite to each other, extend in a longitudinal direction, and a light source that is disposed in such a manner that a positional relationship between a paraxial virtual image of the light source due to the light incidence surface of the cylindrical lens and a center of curvature of the light emission surface is in a predetermined range.

Abstract: A successive approximation type AD converter includes: a comparator comparing an analog input signal and a DA-converted comparison code; and a control circuit. When an output of the comparator settles before a limit time period has passed since the comparator started a comparison operation, the control circuit updates the comparison code on the basis of the settled output of the comparator. When the limit time period has passed before the output of the comparator settles, the control circuit updates the comparison code not on the basis of the present output of the comparator.

Abstract: An image reading device includes a light source member having a substrate extending in a predetermined main scanning direction, and light source portions releasing light and supported by the substrate in the main scanning direction; a light guide member that has an input section disposed facing the light source portions and receiving the light, and an output section outputting the light, and that guides the light toward a predetermined radiation position; a support member supporting the light source member and the light guide member and having higher rigidity than the light guide member and the substrate; a first positioning section positioning the light guide member in the main scanning direction and a sub scanning direction; a second positioning section positioning the light guide member in the sub scanning direction; and a reader member receiving the light from the radiation position so as to read an image thereof.

Abstract: A turbine and so on capable of enabling high reliability are provided. In the turbine of an embodiment, a turbine rotor is accommodated in a turbine casing, and is rotated by a working medium which is introduced after flowing in an inlet pipe of a combustor. A sleeve is provided at the turbine casing, and accommodates the inlet pipe therein. Here, the sleeve is thicker than the inlet pipe, and a cooling fluid whose temperature is lower than the working fluid flows between the inlet pipe and the sleeve.

Abstract: In a semiconductor device, an active region includes: a first impurity region to which a predetermined voltage is applied; second and third impurity regions forming a pair of conductive electrodes of an insulated gate field effect transistor; and at least one impurity region disposed between the first and second impurity regions. A voltage that causes electrical conduction between the second and third impurity regions is applied to a gate electrode disposed between the second and third impurity regions. All gate electrodes disposed between the first and second impurity regions are configured to be electrically connected to the first impurity region constantly. All impurity regions disposed between the first and second impurity regions are electrically isolated from the first and second impurity regions and maintained in a floating state.

Abstract: A detection device includes: a detection member that includes an emission member emitting a beam toward a direction of a transportation path and a beam receiving member receiving a reflected beam reflected from a medium; a transmissive member that is provided to allow a regular reflected beam of the beam reflected from the medium to be obliquely incident thereto, and through which the beam emitted from the emission member is transmitted; and a multiple-layered antireflective film that is provided on the transmissive member, the antireflective film being formed such that a maximum value of reflectivity of a first incident beam incident at the same angle as an incident angle of the regular reflected beam becomes smaller than a maximum value of reflectivity of a second incident beam incident in the direction perpendicular to the transmissive member within a visible light wavelength range.

Abstract: In a semiconductor device, an active region includes: a first impurity region to which a predetermined voltage is applied; second and third impurity regions forming a pair of conductive electrodes of an insulated gate field effect transistor; and at least one impurity region disposed between the first and second impurity regions. A voltage that causes electrical conduction between the second and third impurity regions is applied to a gate electrode disposed between the second and third impurity regions. All gate electrodes disposed between the first and second impurity regions are configured to be electrically connected to the first impurity region constantly. All impurity regions disposed between the first and second impurity regions are electrically isolated from the first and second impurity regions and maintained in a floating state.

Abstract: A detection device includes: an imaging unit that forms an image of an incident beam on an image detection unit; an emission unit that includes a guided portion that is guided to a guiding portion provided at the imaging unit and guiding an attachment-detachment operation of the guided portion, a positioned portion that is positioned in a positioning portion provided at the imaging unit, and an emission member that emits a beam toward a direction of a transportation path such that a beam reflected from the medium is incident to the imaging unit; and a setting unit that includes a positioned portion that is positioned in a positioning portion provided at the emission unit when a drawing unit is pressure-inserted into the image forming apparatus and a setting surface that sets a position on the medium at which the beam is reflected.

Abstract: A sensing device including: a sensing section having an illuminating section that illuminates light and a light-receiving section that receives reflected light of light illuminated from the illuminating section, the sensing section sensing an image on a recording medium; a housing that accommodates the illuminating section; a covering member covering the housing, that is freely installed at and removed from the housing, having a transmitting member through which the light from the illuminating section is transmitted; and a setting section disposed at an opposite side to a housing side with respect to the covering member, the setting section being freely installed at and removed from the housing, and having a setting surface that sets a position at which the recording medium reflects light, wherein, at a positioning portion of the setting section, the covering member is positioned at least in a direction perpendicular to the setting surface, is provided.

Abstract: An image scanner includes: a light source that irradiates, with light, a recording medium on which an image is formed; a light receiving portion that receives light reflected by the recording medium; a reflecting portion that has plural reflecting surfaces respectively disposed at positions having different distances in an optical axis direction from the light receiving portion; and a processing portion that generates information on the image formed on the recording medium and information for measuring illumination depth of the light source, by use of the light received by the light receiving portion.

Abstract: An image reading device includes a first reader member, an optical system, and a second reader member. The first reader member reads an image recorded on a surface of a medium traveling through a predetermined read area by receiving light from the medium. The read area is set on a transport path along which the medium is transported. The optical system guides the light from the medium to the first reader member. The second reader member has a color measurement unit disposed on an optical path of the light guided by the optical system and performing color measurement on the light. The second reader member reads a color of the image recorded on the surface of the medium on the basis of the light. The second reader member reads a color of an image in a predetermined second area included in the read area read by the first reader member.