Abstract: A power generation device includes a thermoelectric conversion part; a cooling member configured to be disposed on one principal surface of the thermoelectric conversion part; and a heat generation part configured to be disposed on another principal surface of the thermoelectric conversion part, to be formed of a viscoelastic body having a plurality of cavities formed in the viscoelastic body, and to generate heat by violation.

Abstract: A downsized current sensor with a switch function is disclosed. The current sensor includes: a magnetic circuit to converge a magnetic flux generated from an electric circuit at a magnetic sensor; a switch to open and close the electric circuit in a way that operates together with a movable magnetic body configuring a part of the magnetic circuit; and a magnetizing coil to generate magnetic force enabling the movable magnetic body to be attracted to a fixed magnetic body configuring a part of the magnetic circuit.

Abstract: The present invention relates to a thermoelectric conversion element and a method for manufacturing the same and relates to suppression of breakage and deterioration of the thermoelectric conversion element due to partial pressurization from the vertical direction. This thermoelectric conversion element has: at least one n-type semiconductor body; at least one p-type semiconductor body; a first connecting electrode; a first out-put electrode for n-side output; and a second output electrode for p-side output, wherein areas of respective joint sections of the n-type semiconductor body with the first connecting electrode, the first output electrode, and the second output electrode and of the p-type semiconductor body with the first connecting electrode, the first output electrode, and the second output electrode are greater than respective cross-sectional areas in other positions, in an axial direction, of the n-type semiconductor body and the p-type semiconductor body.

Abstract: A microchannel cooling device includes a heat sink having a liquid refrigerant flow channel having a microscopic cross section and connected to a heat source thermally, and a thermoelectric element provided on the heat sink and extending parallel to a direction of extension of the liquid refrigerant flow channel.

Abstract: A method is provided for making a micromirror unit which includes a frame, a mirror forming base, and bridges connecting the frame to the mirror forming base. The method includes the following steps. First, a first mask pattern is formed on a substrate for masking portions of the substrate which are processed into the frame and the mirror forming base. Then, a second mask pattern is formed on the substrate for masking portions of the substrate which are processed into the bridges. Then, the substrate is subjected to a first etching process with the first and the second mask patterns present as masking means. Then, the second mask pattern is removed selectively. Then, the substrate is subjected to a second etching process with the first mask pattern present as masking means. Finally, the first mask pattern is removed.

Abstract: A three-dimensional mounting semiconductor device includes a layer structure including a plurality of first substrates with a trench-shaped concavity formed in and a plurality of second substrates with semiconductor elements formed in, which are alternately stacked, wherein an unevenness defined by a size difference between the first substrate and the second substrate is formed on a side surface, and a first through-hole are defined by an inside surface of the trench-shaped concavity and a surface of the second substrate, and a third substrate jointed to the side surface of the layer structure and having an unevenness formed on a surface jointed to the layer structure which are engaged with the unevenness formed on the side surface of the layer structure.

Abstract: A power strip includes: a first power line; a second power line between which and the first power line a power supply voltage is applied; a jack portion; a current meter configured to measure a current being supplied to an external electrical device from the jack portion; a first photocoupler including a first light emitting diode connected between the first power line and the second power line and configured to output a first output signal whose level is changed when the power supply voltage exceeds a first threshold; and a computing unit configured to calculate a power value by using instantaneous values of the current measured by the current meter and instantaneous values of the power supply voltage estimated from the length of a period when the level of the first output signal is changed.

Abstract: A power strip includes: jack portions; current meters each configured to measure a current being supplied from the corresponding jack portion to one of external electrical devices, and to output a measurement signal corresponding to a magnitude of the current; and a computing unit configured to obtain instantaneous values of the current at a plurality of time points on the basis of the measurement signal, and to calculate a power value using the instantaneous values. The computing unit configured to obtain the instantaneous values of the current by using any one of a first zero point and a second zero point as a reference.

Abstract: An actuator includes a first part having a magnetomotive element and configured to absorb heat up to at least a first temperature; a second part arranged so as to face the first part; a temperature-sensitive magnetic body provided between the first part and the second part and configured to move between a first position for contact with the first part and a second position for contact with the second part, the temperature-sensitive magnetic body having a Curie point lower than the first temperature and higher than a temperature of the second part; and a restoring part configured to restore the temperature-sensitive magnetic body from the first position to the second position.

Abstract: A micro movable device includes a movable member, a stationary portion, and connecting portions each connected to the movable member and the stationary portion. The movable member includes a pair of electrodes. The stationary portion includes a pair of electrodes cooperating with the electrodes of the movable member to generate a driving force for translating the movable member in its thickness direction. The connection points at which the respective connecting portions are connected to the movable member are spaced from each other. The electrodes of the movable member are positioned between two mutually spaced connection points, as viewed along the spacing direction of the two connection points.

Abstract: A microstructure comprises a laminate structure having a first conductor, a second conductor, and an intervening insulator located between the first and the second conductors. The first conductor includes opposite faces in relation to the second conductor, side faces, and edge parts which form the boundaries of the aforementioned opposite faces and side faces. The second conductor includes an extended face extending beyond the edge parts exceeding the first conductor. The insulation film includes an area covering at least part of an edge part and/or at least part of a side face.

Abstract: A micro movable element array includes a first frame; a second frame; a first movable part row including plural first movable parts and a second movable part row including plural second movable parts. The first movable parts include first movable main parts. The second movable parts include second movable main parts. The first and second frames are stacked such that the first and second movable part rows are opposed to each other. In the first movable part row, the first movable parts are located such that the first movable main parts are arranged in a first direction and the first movable main parts and gaps are disposed alternately. In the second movable part row, the second movable parts are located such that the second movable main parts are arranged in the first direction and the second movable main parts are opposed to the corresponding gaps.

Abstract: A power strip includes a casing including a plurality of plug insertion portions each having a first insertion port and a second insertion port into which first and second plug blades of a socket plug are to be respectively inserted, a magnetic core which is provided in each of the plurality of plug insertion portions and includes a first opening into which the first plug blade is to be inserted, a second opening into which the second plug blade is to be inserted, and a slit to communicate between the first plug blade and the second plug blade, and a magnetic sensor provided inside the slit.

Abstract: A micro-movable device includes a frame, a movable section including a body section, and a torsion coupling section for coupling the frame with the movable section to define an axis of oscillation of the movable section, wherein the frame includes a first extending portion and a second extending portion that are spaced apart from each other in a direction parallel to the axis and extend along the body section, and oppose the body section via a gap.

Abstract: A micro-mirror array including a plurality of micro-mirror elements and each of the micro-mirror elements includes a mirror rotating around two axes and a support unit connected to an outer frame and supporting the mirror. The support unit extends between the mirror of the micro-mirror elements including the support unit and one of two mirrors adjacent to the mirror, and both ends of the support unit are connected to the outer frame.

Abstract: A semiconductor device includes a semiconductor chip having an electric circuit; and a cooling device including at least one channel serving as a flow path through which coolant flows, an external surface including projections, and a metallic layer formed over the external surface including the projections. In the semiconductor device, the projections of the external surface of the cooling device are brought into contact with a first surface of the semiconductor chip via the metallic layer such that the semiconductor chip is cooled by allowing the coolant to flow through the channel formed in the cooling device.

Abstract: A method for manufacturing a micro movable element includes: forming a movable section, a frame, and a connecting section connecting the movable section with the frame on a substrate; bonding a film to a surface of the substrate in forming the movable section, the frame, and the connecting section; and patterning the film to form a support structure being bridged between the movable section and the frame.

Abstract: A micro electro mechanical device includes an inner frame provided with a movable part and an outer frame provided in a circumference of the inner frame. The outer frame has a fixing part fixed by a joining material. A first torsion bar is provided between the outer frame and the inner frame so as to swingably support the inner frame on the outer frame. A first opening is formed in the outer frame in a vicinity of the first torsion bar. The first opening is positioned between the fixing part of the outer frame and the first torsion bar.

Abstract: A method is provided for making a micromirror unit which includes a frame, a mirror forming base, and bridges connecting the frame to the mirror forming base. The method includes the following steps. First, a first mask pattern is formed on a substrate for masking portions of the substrate which are processed into the frame and the mirror forming base. Then, a second mask pattern is formed on the substrate for masking portions of the substrate which are processed into the bridges. Then, the substrate is subjected to a first etching process with the first and the second mask patterns present as masking means. Then, the second mask pattern is removed selectively. Then, the substrate is subjected to a second etching process with the first mask pattern present as masking means. Finally, the first mask pattern is removed.

Abstract: A micro-oscillating element includes a frame, a movable functional portion, and a torsional joint for joining the frame and the functional portion. The micro-oscillating element also includes first and second comb-tooth electrodes for generation of the driving force for the oscillating motion of the movable functional portion about the torsional joint. The first comb-tooth electrode includes a plurality of first electrode teeth each having a first conductor, an insulator and a second conductor laminated in the direction of the oscillating motion, where the first conductor and the second conductor are electrically connected with each other. The second comb-tooth electrode includes a plurality of second electrode teeth caused not to face the second conductor but to face the first conductor of the first electrode teeth during non-operation. The second electrode teeth are longer than the first conductor in the direction of the oscillating motion.