Abstract: A method for manufacturing a sintered mesh includes a step of preparing a mesh made of austenite stainless steel and including a plurality of wires extending respectively in intersecting directions, and a step of heat treatment for controlling an ambient temperature of the mesh. The step of heat treatment includes a temperature rising process for raising the ambient temperature to a treatment temperature, a holding process for holding the ambient temperature at the treatment temperature, and a temperature lowing process for lowing the ambient temperature. The treatment temperature is more than an austenitic temperature. The temperature lowering step includes an quenching process, where the ambient temperature is lowered under an argon gas ambient at a temperature lowering speed more than 3° C./min.

Abstract: This insert-molded filter is obtained by insert-molding a cylindrically-shaped mesh into a resin body. This insert-molded filter is provided with: a body which is equipped with a first annular part, a second annular part, and multiple columnar parts connected to the first and second annular parts, and which has multiple openings formed so as to be separated by the multiple columnar parts between the first and second annular parts; and a mesh which is integrally molded with the body so as to cover the multiple openings separated by the multiple columnar parts. The body is provided with a resin introduction part that is disposed outside of the mesh in the radial direction of the first annular part.

Abstract: A mesh for insert molding is formed from a single mesh sheet. The mesh for insert molding includes a side wall part that has a band shape extending along the longitudinal direction and includes two joining margins at the longitudinal end parts thereof, a bottom part positioned in the width direction of the side wall part, and a connecting part for connecting the bottom part to the side wall part. The mesh for insert molding is configured so as to be arranged in a die in a state of being molded into a cylindrical shape.

Abstract: An antenna device, incorporated in an electronic apparatus, which communicates with an external device via an electromagnetic field signal, comprising: an antenna coil provided by winding a conducting wire in a two-dimensional shape and inductively coupled to the external device; and a thermal diffusion sheet provided so as to overlap the antenna coil at a surface of the antenna coil that faces the external device, wherein the thermal diffusion sheet is provided with a slit formed so as to extend from a region overlapping an opening of the antenna coil to an end of the thermal diffusion sheet and a thermal diffusion sheet side opening or slit connected to the slit and formed in the region overlapping the opening of the antenna coil.

Abstract: An X-ray inspection device for a drone includes: a suspension device provided in the drone; an X-ray generator device for a drone, the X-ray generator device being movable up and down by the suspension device and including an X-ray source that emits an X-ray toward an object to be inspected; and a detector that is movable up and down by the suspension device and detects the X-ray transmitted through the object to be inspected.

Abstract: An antenna device incorporated in an electronic apparatus to communicate with an external apparatus via an electromagnetic field signal includes a first conductor provided inside a housing of the electronic apparatus and opposing the external apparatus, a loop antenna having an antenna coil conductively coupled to the external apparatus and coiling thereon, a sheet-like second conductor provided as being spaced with a predetermined space from the first conductor and partially overlapping or making contact with a surface of the loop antenna opposite to a surface opposing the external apparatus, and a sheet-like third conductor provided between the first conductor and the second conductor and having one end overlapping or making contact with the first conductor and other end partially overlapping or making contact with the second conductor.

Abstract: An electronic device and an antenna device are provided that use a coil module which is thinned without losing the characteristics of the coil module and which can be mounted in a narrowed space. A coil module including a loop-shaped antenna coil wounded in a planar shape and a sheet-shaped magnetic sheet which is formed of a magnetic material and which overlaps with at least a part of the antenna coil is included. In the coil module, a part of the antenna coil is overlapped with an internal structure of a housing and the magnetic sheet is provided in a position that does not overlap with the internal structure on an antenna coil surface side that overlaps with the internal structure.

Abstract: The present provides a variable capacitance element enabling a further reduction in capacitance variation among variable capacitance elements, and provides a packaged circuit including the variable capacitance element. A variable capacitance element is configured to include an element body unit, a compensation unit, a first external terminal for signals, a second external terminal for signals, external terminals for control, and external terminals for capacitance compensation. The compensation unit has second variable-capacitance capacitor units C9 to C 11, each including a second dielectric layer formed of a ferroelectric material, and is connected to the element body unit, and has a capacitance varying according to a control voltage signal.

Abstract: A residual seismic-resistant performance evaluation system includes a seismograph including a seismic intensity sensor, a network interface, a storage, an A/D converter, a temporary storage means and a CPU; a data processing terminal for recording and processing measurement data; and a data processing server for evaluating residual seismic-resistant performance based on the measurement data. The system causes the data processing terminal to perform the steps below: a) calculating seismic intensity data based on the measurement data; b) setting a threshold value for the seismic intensity data; determining whether or not the seismic intensity data exceeds the threshold value; and d) transmitting the seismic intensity data exceeding the threshold value to the data processing server.

Abstract: The purpose is to provide an antenna device ensuring good communication performance using a magnetic shielding effect, even when an antenna is arranged at back surface cover side of an electronic apparatus, and an electronic apparatus incorporating this antenna device. An antenna device incorporated in an electronic apparatus and communicating with an external apparatus via an electromagnetic field signal, including: an antenna coil inductively coupled to the external apparatus and arranged by winding around a conducting wire such that conducting wires opposing in width direction via an opening will be close to each other; a thermal diffusion sheet opposing to the external apparatus and arranged inside of a housing of the electronic apparatus; and a conductive sheet overlapped with a part of the antenna coil and the thermal diffusion sheet.

Abstract: The purpose of the present invention is to ensure satisfactory antenna communication performance even in a case where an antenna coil is placed on the underside of a thermal diffusion sheet. An antenna device (1), incorporated in an electronic apparatus, which communicates with an external device via an electromagnetic field signal, comprising: an antenna coil (12) provided by winding a conducting wire (12a) in a two-dimensional shape and inductively coupled to the external device; and a thermal diffusion sheet (20) provided so as to overlap the antenna coil at a surface of the antenna coil that faces the external device, wherein the thermal diffusion sheet is provided with a slit (18) formed so as to extend from a region overlapping an opening of the antenna coil to an end of the thermal diffusion sheet and a thermal diffusion sheet side opening (19) or slit connected to the slit and formed in the region overlapping the opening of the antenna coil.

Abstract: In order to reduce device size and costs, an antenna device incorporated into an electronic apparatus is provided with an antenna substrate including an antenna coil portion having an antenna coil formed therein, a component portion, and a bending portion arranged along the X-direction, the bending portion being sandwiched between the antenna coil portion and the component portion, wherein on each of the front surface and the back surface of the component portion, an I/O interface for connecting electrically to the body of the electronic apparatus is provided. The antenna substrate is bendable at the bending portion.

Abstract: The purpose is to provide an antenna device ensuring good communication performance using a magnetic shielding effect, even when an antenna is arranged at back surface cover side of an electronic apparatus, and an electronic apparatus incorporating this antenna device. An antenna device incorporated in an electronic apparatus and communicating with an external apparatus via an electromagnetic field signal, including: an antenna coil inductively coupled to the external apparatus and arranged by winding around a conducting wire such that conducting wires opposing in width direction via an opening will be close to each other; a thermal diffusion sheet opposing to the external apparatus and arranged inside of a housing of the electronic apparatus; and a conductive sheet overlapped with a part of the antenna coil and the thermal diffusion sheet.

Abstract: Provided is an antenna device that achieves good communication characteristics when incorporated into an electronic apparatus. The antenna device incorporated into an electronic apparatus and configured to communicate with an external device via an electromagnetic field signal comprises: a metal plate serving as a first electric conductor, being provided inside a casing of the electronic apparatus and facing the external device; an antenna substrate provided inside the casing of the electronic apparatus, and having an antenna coil inductively coupled to the external device and wound around thereon; and metal foil serving as a second electric conductor in sheet form, being provided inside the casing of the electronic apparatus, overlapping or being in contact with the metal plate serving as the first electric conductor, and at least partially overlapping a surface of the antenna substrate, the surface being opposite to a surface facing the external device.

Abstract: An electronic device incorporated with a coil module that achieves favorable communication characteristics is provided. In an electronic device incorporated with a coil module, the coil module includes a loop coil wounded in a planar shape and a sheet-shaped magnetic sheet which is formed of a magnetic material and which overlaps with a part of the loop coil, and the magnetic sheet is arranged on at least one side extending from a center of the loop coil.

Abstract: The loss is reduced even when loop coils of a multi-coil module are overlaid with each other. The multi-coil module includes a first coil module, having a first magnetic sheet and a first loop coil provided on the first magnetic sheet and wound in a planar shape, and a second coil module, having a second magnetic sheet and a second loop coil provided on the second magnetic sheet and wound in a planar shape. The first coil module and the second coil module are stacked on each other, and at least an innermost coil pattern of the first loop coil and the second loop coil are overlaid with each other. The line width of the innermost coil pattern t of the first loop coil overlaid with the second loop coil is 1 mm or less.

Abstract: A communication device that, when incorporated in an electronic device, can reduce the size and the thickness of a housing of the electronic device while maintaining communication characteristics. The communication device includes an antenna coil that is arranged on a peripheral part of a housing surface facing a reader-writer of a mobile phone, a magnetic sheet that attracts the magnetic filed transmitted from the reader-writer to the antenna coil, and a communication processing unit that is driven by a current flowing through the antenna coil and communicates with the reader-writer. The magnetic sheet is arranged to be closer to reader-writer than the antenna coil in the central part, and the antenna coil is arranged to be closer to the reader-writer on the outer periphery side, and at least a part of the conductive line of the antenna coil is superimposed in a direction orthogonal to a circuit board.

Abstract: In order to reduce device size and costs, an antenna device incorporated into an electronic apparatus is provided with an antenna substrate including an antenna coil portion having an antenna coil formed therein, a component portion, and a bending portion arranged along the X-direction, the bending portion being sandwiched between the antenna coil portion and the component portion, wherein on each of the front surface and the back surface of the component portion, an I/O interface for connecting electrically to the body of the electronic apparatus is provided. The antenna substrate is bendable at the bending portion.

Abstract: An antenna device incorporated in an electronic apparatus to communicate with an external apparatus via an electromagnetic field signal includes a first conductor provided inside a housing of the electronic apparatus and opposing the external apparatus, a loop antenna having an antenna coil conductively coupled to the external apparatus and coiling thereon, a sheet-like second conductor provided as being spaced with a predetermined space from the first conductor and partially overlapping or making contact with a surface of the loop antenna opposite to a surface opposing the external apparatus, and a sheet-like third conductor provided between the first conductor and the second conductor and having one end overlapping or making contact with the first conductor and other end partially overlapping or making contact with the second conductor.

Abstract: Provided is a wireless communication system which has excellent communication characteristics even between antenna modules having antenna coils between which there is a large difference in outside diameter. The wireless communication system includes: a first antenna module including a first antenna coil; and a second antenna module including a second antenna coil and capable of communication by receiving a magnetic field transmitted from the first antenna module, in which the first antenna coil and the second antenna coil have mutually different outside diameters, and, out of the first antenna coil and the second antenna coil, the antenna coil having a larger outside diameter is formed in such a way that the area of an opening portion inside the innermost perimeter of an antenna pattern is not more than 120% of the outside diameter area of the other antenna coil having a smaller outside diameter.