Abstract: A decorative part, a timepiece, and a manufacturing method of the decorative part capable of stabilizing and improving the aesthetic appearance while using a fixing member are provided. In an oscillating weight which includes a body of an oscillating weight and screws for fixing the body of the oscillating weight to a weight, the body of the oscillating weight and the screws are a member to which an anodizing can be applied.

Abstract: A manufacturing method of a timepiece part which has small variation in hardness and a metallic luster is provided. Configuration includes a heat treatment process that heat-treats a timepiece part and coarsens a plurality of crystals of titanium or the like, a shape processing process that processes the shape of the timepiece part, an etching process that etches titanium or the like, mirror-finishes the surfaces of each crystal, and makes the normal directions of the surfaces of each crystal to be different from one another, and an anodizing process that performs anodizing on the surface of the timepiece part.

Abstract: A part, a timepiece, and a manufacturing method of the part capable of avoiding the limitations on the member which is used, expanding variation in the design, being easily manufactured, and improving the aesthetic appearance are provided. In an oscillating weight in which a body of the oscillating weight to which anodizing can be applied and a conductive weight are fixed to each other, an insulating layer is interposed between the body of the oscillating weight and the weight.

Abstract: A detent escapement for a timepiece has an escape wheel and a balance that freely oscillates about a balance staff and includes an impulse jewel that contacts a wheel tooth of the escape wheel and an unlocking stone. A blade includes a locking stone that contacts the wheel tooth of the escape wheel and is supported so as to be capable of approaching to and separating from the escape wheel. A one-side actuating spring contacts the unlocking stone and is elastically deformed along the approaching and separating direction with respect to the blade. The blade is constituted of a blade main body and a blade adjustment portion that is separated from the blade main body.

Abstract: A detent escapement for a timepiece capable of decreasing energy loss with respect to a free oscillation of a balance and improving a timekeeping accuracy is provided. In addition, a detent escapement of a timepiece capable of realizing miniaturization and suppressing variations in the accuracy of a finished product due to assembly errors is provided. A one-side actuating spring of a detent 7 is formed so that a maximum stress portion, which is generated at the time of operating due to the contact of an unlocking stone 4 when a balance 5 is return-rotated, is present to be perpendicular to a first straight line L1 which connects the center of the balance staff 9 and a fulcrum 23a of the blade 23, and to be the side opposite to the balance by a second straight line L2 which passes through the fulcrum 23a.

Abstract: The present invention aims to provide a sliding component of high wear resistance having a lubricating oil retaining structure and a structure helping to supply a lubricating oil regardless of the contact angle between itself and the mating component. There is provided a precision machinery component having at least three layers stacked together, characterized in that a portion substantially parallel to the stacking direction has a sliding portion coming into contact with another component, and that at least a part of the sliding portion has a recess.

Abstract: In a method of manufacturing an electroforming mold, a first photoresist layer is formed on an upper surface of a bottom conductive film of a substrate, and the first photoresist layer is divided into a first soluble portion and a first insoluble portion. A conductive material is thermally deposited on an upper surface of the first photoresist layer within a predetermined temperature range, to thereby form an intermediate conductive film. An intermediate conductive film is patterned. A second photoresist layer is formed on an exposed upper surface of the first photoresist layer after the intermediate conductive film is removed, and on an upper surface of the intermediate conductive film remaining after patterning. The second photoresist layer is divided into a second soluble portion and a second insoluble portion. Next, the first and second photoresist layers are developed, and the first and second soluble portions are removed.

Abstract: A thermoelectric conversion device is manufactured by the following steps of forming. A metallic material is formed on a substrate. A photosensitive resin pattern is formed on the metallic material. Patterned n-type or p-type thermoelectric material elements having a predetermined thickness and electrode junction layers are formed by plating. Next, the photosensitive resin pattern is dissolved and the metallic material is removed. And the substrate having the p-type thermoelectric material elements and the substrate having the n-type thermoelectric material elements are joined with the electrode junction layers interposed between the each thermoelectric material elements and the opposed substrate.

Abstract: A timepiece has a case back made of a thermally conductive material, an upper case body made of a thermally conductive material and disposed opposite to the case back, and a lower case body made of a thermally insulating material and disposed between the upper case body and the case back. A thermoelectric generator unit generates an electromotive force in accordance with heat conducted from the case back. At least one step-up circuit steps up an electromotive force generated by the thermoelectric generator unit. A storage member stores power and an electromotive force stepped up by the step-up circuit. A timepiece driving circuit is driven by power stored in the storage member or by electromotive force stepped up by the step-up circuit. A power supply operating control circuit controls power flow from the step-up circuit to the storage member and controls whether the electromotive force stepped up by the step-up circuit or the power stored in the storage member is supplied to the timepiece driving circuit.

Abstract: A portable electronic device has a casing has an upper case body and a rear case cover both made of a thermally conductive material. A heat insulating member thermally insulates the rear case cover from the upper case body of the casing. A thermoelectric generator unit is disposed in the casing for generating an electromotive force based on the Seebeck effect. The thermoelectric generator unit has a heat radiating plate for transferring heat to the upper case body and a heat absorbing plate. A heat conductive spacer is made of a thermally conductive and elastically deformable sheet of material and has opposed main surfaces. One of the main surface is disposed in contact with the heat absorbing plate of the thermoelectric generator unit and the other main surface is disposed in contact with an inner side surface of the rear case cover for conducting heat from the rear case cover to the thermoelectric generator unit.

Abstract: A power generating block is provided with a thermoelectric generator unit 180 containing one or more of electrothermic elements 140, further, including a 1st thermally conductive plate 120 constituting a heat absorbing plate and including a 2nd thermally conductive plate constituting a heat radiating plate. A thermal conductive body 244 made of a thermally conductive material is arranged to be brought into contact with the 2nd thermally conductive plate 170. The power generating block with a thermoelectric generator unit is provided with a step-up circuit block 240 including a step-up circuit 410 for boosting electromotive force generated by the thermoelectric generator unit 180 and a power supply operation control circuit 416 for controlling operation of storing the electromotive force generated by the thermoelectric generator unit 180 and controlling operation of the step-up circuit 410.

Abstract: A thermoelectric device comprises a pair of substrates each having a surface, P-type and N-type thermoelectric material chips interposed between the pair of substrates, electrodes disposed on the surface of each substrate and connecting adjacent P-type and N-type thermoelectric material chips to each other, and support elements disposed over the surface of each of the substrates for supporting and aligning the thermoelectric material chips on the respective electrodes and between the pair of substrates. Each of the thermoelectric material chips has a first distal end connected to one of the electrodes of one of the substrates and a second distal end connected to one of the electrodes of the other of the substrates.

Abstract: A cooling unit is structured such that a temperature sensor is formed on at least one of the substrates that form a thermoelectric conversion device to which thermoelectric elements are connected, an input/output electrode extending from the temperature sensor and an electrode formed on the other surface opposed to the substrate on which the temperature sensor is formed are connected to each other by electrically conductive material, and a control circuit for controlling a current supplied to the thermoelectric conversion device according to an output of the temperature sensor is connected thereto. By this structure, only one surface of the substrate is subjected to a manufacturing process, and there is no need for a temperature sensor such as a thermistor to be supplied as a discrete component for mounting on a substrate of the thermoelectric conversion device.

Abstract: A .pi.-type thermoelectric conversion component detects and controls temperature and at the same time exhibits a cooling performance inherently possessed by the thermoelectric conversion component without the need for mounting a discrete temperature detecting unit. To achieve this, a temperature detecting unit, such as a thin film thermistor or doped semiconductor region, is directly integrated on a surface of a substrate forming the thermoelectric component. In one embodiment, a monocrystalline silicon wafer is used as at least one of the opposing substrates of the thermoelectric conversion component, a temperature detecting unit having a diffused resistor is formed therein. An electrode of the temperature detecting unit is connected to an electrode formed on the opposing substrate to reduce the thermal load.

Abstract: A thermoelectric device comprises a pair of substrates each having a surface, electrodes disposed on the surface of each of the substrates, and P-type and N-type thermoelectric material chips interposed between the pair of substrates. Each of the thermoelectric chips has a first distal end connected to one of the electrodes of one of the substrates and a second distal end connected to one of the electrodes of the other of the substrates. Support elements are disposed over the surface of each of the substrates for supporting and aligning the thermoelectric material chips on the respective electrodes and between the pair of substrates.

Abstract: A method of making a thermoelectric device comprises forming electrodes on a surface of a first substrate and on a surface of a second substrate. Thereafter, a P-type thermoelectric material plate is bonded to the surface of the first substrate having the electrodes, and an N-type thermoelectric material plate is bonded to the surface of the second substrate having the electrodes. Each of the thermoelectric material plates are then processed by cutting and removing portions thereof to form P-type and N-type thermoelectric material chips bonded to the first and second substrates, respectively. Thereafter, the N-type thermoelectric material chips of the second substrate are bonded to the electrodes of the first substrate, and the P-type thermoelectric material chips of the first substrate are bonded to the electrodes of the second substrate to form PN-junctions between the first and second substrates.

Abstract: An apparatus for forming a thin film irradiates an electron beam on a vaporizable substance held in a crucible. A pair of electromagnets are disposed in coplanar relation and at right angles to each other to generate a magnetic field which deflects the electron beam. An alternating current is applied to the electromagnets to generate the magnetic field, and the magnitude and frequency of the current are controlled so as to scan the electron beam in a circular pattern on the vaporizable substance.

Abstract: The invention relates to a method of making permanent magnets, especially rare-earth ion permanent magnets composed of compacted Fe-B-R type alloy particles. Accordingly, the method provides compacting the magnetic particles into a desired shape having voids between some of the compacted particles. The voids between the particles are filled with a sealing agent and the compact is further coated with either an organic coating or metallic coating.

Abstract: A rare earth-iron permanent magnet is comprised of compacted Re-B-R type alloy particles in which R represents at least one element selected from rare earth elements and yttrium. The magnet has a sealing agent filling voids between the compacted Fe-B-R type alloy particles and a coating layer formed on outer surfaces thereof. The coating layer is formed by coating the surfaces wrought in a desired magnet shape.

Abstract: The present device relates to an ornamental part utilized in watchcases, watchbands, spectacle frames, accessories and such, wherein the material of the member is heat-resisting material such as metal, ceramics, or plastic, the material being covered by a three-layer structure coating, the successively formed layers being; a layer which has gold colored titanium nitride as its main component; a layer which has gold colored zirconium nitride as its main component; and a gold or gold alloy layer formed on the outer layer.