摘要:
Provided are a small wire-wound inductor having desired inductor characteristics, while allowing for high-density mounting and low-height mounting on circuit boards at the same time, as well as a method for manufacturing such wire-wound inductor which has a drum-shaped core member constituted by an assembly of soft magnetic alloy grains containing iron (Fe), silicon (Si) and 2 to 15 percent by weight of chromium (Cr), a coil conductive wire wound around the core member, a pair of terminal electrodes connected to the terminals of the coil conductive wire, and an outer sheath member covering the wound coil conductive wire and constituted by a magnetic powder-containing resin having a specified magnetic permeation ratio.
摘要:
An electronic component has a drum-shaped core member constituted by an assembly of soft magnetic alloy grains containing iron (Fe), silicate (Si) and chromium (Cr), a coil conductive wire wound around the core member, a pair of terminal electrodes connected to ends of the coil conductive wire, and an outer sheath resin part covering the wound coil conductive wire and constituted by a magnetic powder-containing resin; wherein there is an area where only the resin material in the magnetic powder-containing resin is permeated from the surface of the core member to a specified depth.
摘要:
When grooves 44, 45A and 45B of an armature 42 and a rotor 43 are formed by laser beam machining, a metal oxide layer 100 is formed on wall surfaces defining the grooves 44, 45A and 45B. The metal oxide layer 100 is brought into sliding contact with a first contact surface A1 to a fourth contact surface A4 in a process in which an electromagnetic clutch is used, so that a part of the metal oxide layer 100 is ground and peeled off, whereby particles made of a metal oxide are produced. The particles enter the contact surface between the armature 42 and the rotor 43, which increases the frictional force therebetween to thereby prevent slippage. As a result, the torque transmission capability of the electromagnetic clutch M is enhanced, and the increase in the torque of a scroll compressor is achieved.
摘要:
A semiconductor device includes a first wiring board, a first semiconductor element mounted on the first wiring board, a second wiring board disposed over the first semiconductor element, and a second semiconductor element mounted on the second wiring board. The wiring boards are electrically interconnected by a connecting portion interposed therebetween. A resin layer is formed between the wiring boards such that the first semiconductor element mounted on the first wiring board is sealed and such that the wiring boards having the respective semiconductor elements mounted thereon are bonded together.
摘要:
The present invention provides low hygroscopic forms of aripiprazole and processes for the preparation thereof which will not convert to a hydrate or lose their original solubility even when a medicinal preparation containing the anhydrous Aripiprazole crystals is stored for an extended period.
摘要:
Provided are a tripod constant velocity joint, and a method and a device for assembling the joint. The opening of a through-hole formed in an inner member of the tripod constant velocity joint has formed therein a tapered, reduced diameter section having a diameter tapered from the opening toward the inside. A first annular groove is formed in the side wall of a driving power transmission shaft, and a clip serving as an engaging member is engaged with the first annular groove. A second annular groove is formed in the inner wall of the through-hole in the inner member. In inserting the driving power transmission shaft through the through-hole in the inner member, the tapered, reduced diameter section guides the shaft in such a manner that the clip is contracted toward the bottom surface of the first annular groove. The clip expands and contracts due to the elasticity thereof when the positions of the first annular groove and the second annular groove coincide with each other.
摘要:
The present invention provides a solid electrolytic capacitor and a method producing the same, in which high reliability is realized and further in which the product yield is improved by suppressing the increase of ESR or the like. In the present invention, the electroconductive polymer layer includes first electroconductive polymer layer 3 and second electroconductive polymer layer 10, in which first electroconductive polymer layer 3 covers the surface of dielectric polymer 2, and the second electroconductive polymer layer is provided on a surface of first electroconductive polymer layer 3 covering the bottom surface and the side surfaces, and is provide with opening at least a part of the leading surface of first electroconductive polymer layer 3.
摘要:
A solid electrolytic capacitor including a solid electrolytic capacitor component comprises a porous anode body 2 composed of valve metal having a anode lead 1 protruding therefrom, a anode oxide film, a solid electrolyte layer 4, a graphite layer 5, a silver paste layer 6, a resist layer 3 separating the anode lead 1 used as a anode portion and the porous anode body 2 used as a cathode portion, and a anode lead element 7 connected to the anode lead 1, the anode oxide film, solid electrolyte layer 4, graphite layer 5, silver paste layer 6 being successively formed on the surface of the porous anode body 2, wherein the solid electrolytic capacitor component is bonded on a mounting substrate 21 having a anode terminal 21a, a cathode terminal 21b, and an insulating portion 21c therebetween with a precuring insulating adhesive 9 formed on the insulating portion 21c of the mounting substrate 21 and precuring conductive adhesives 8 formed on the anode terminal and cathode terminal, and sealed with exterior resin 10.
摘要:
An optical pickup includes a semiconductor laser, a beam splitter, a collimating lens, an objective lens, an aperture and a front monitor. The beam splitter splits a light beam emitted by the semiconductor laser into transmitted light and reflected light. The front monitor detects luminous energy of the transmitted light. The front monitor is disposed near an optical axis of the transmitted light so that the following is satisfied: 1≦(S×L)/(s×f)≦6.8. S is an area of an entrance pupil of the objective lens, f is an optical distance from an emission portion of the semiconductor laser to the collimating lens, s is an effective receiving area of the front monitor, and L is an optical distance from the emission portion of the semiconductor laser to the front monitor.
摘要:
Provided is a thermal printer in which positioning precision between a platen roller and a thermal head is enhanced, thereby being capable of positively arranging heating elements within a heating element allowable range. A positioning mechanism (38) includes: a through-hole (40) which allows a head support member (23) to be movable with respect to a detachable frame (21); a regulating surface (44a) formed in the head support member (23), an elastic member (42) for urging the head support member (23) so that the regulating surface (44a) is abutted to a bearing (18) of the platen roller (6); and a guide portion (44b), which is formed in the head support member (23), for guiding the head support member (23) by moving the head support member along the through-hole (40) in association with a mounting operation of a cover unit (4) while sliding with the bearing (18) so that the regulating surface (44a) abuts the bearing (18), and the regulating surface (44a) is formed in a flat surface, and a normal line direction of the regulating surface (44a) coincides with a direction perpendicular to an axial direction of the platen roller (6) within a plane which is parallel with a head surface 19a of a thermal head (19).