Abstract: A control means of a molding machine is designed so as to control molding cycles SA and SB for sequentially performing injection of molten resin into a product portion of a mold 1 to fill it therewith, cooling down and solidification of the filled molten resin, mold opening of the mold 1, taking-out of a molded product, and mold closing of the mold 1 as well as changing the shape of a molten resin filled region of the product portion in accordance with the shape of a molded product to be molded in the next molding cycle during the present one molding cycle. Therefore, it is possible to change the shapes of molded products without the need to stop the molding cycle.

Abstract: A dielectric ceramic composition comprising at least a main component containing a dielectric oxide of a composition expressed by {(Sr1?xCax)O}m.(Ti1?yZry)O2 and a first subcomponent containing at least one type of compound selected from oxides of V, Nb, W, Ta, and Mo and/or compounds forming these oxides after firing, wherein the symbols m, x, and y showing the molar ratio of the composition in the formula contained in the main component are in relations of 0.94<m<1.08, 0?x?1.00, and 0?y?0.20 and the ratio of the first subcomponent with respect to 100 moles of the main component, which is converted to the metal element in the oxide, is 0.01 mole?first subcomponent<2 moles. According to this dielectric ceramic composition, it is possible to obtain a superior resistance to reduction at the time of firing, obtain a superior capacity-temperature characteristic after firing, and improve the accelerated life of the insulation resistance.

Abstract: A dielectric ceramic composition comprising at least a main component containing a dielectric oxide of a composition expressed by {(Sr1-xCax)O}m.(Ti1-yZry)O2 and a first subcomponent containing at least one type of compound selected from oxides of V, Nb, W, Ta, and Mo and/or compounds forming these oxides after firing, wherein the symbols m, x, and y showing the molar ratio of the composition in the formula contained in the main component are in relations of 0.94<m<1.08, 0≦x≦1.00, and 0≦y≦0.20 and the ratio of the first subcomponent with respect to 100 moles of the main component, which is converted to the metal element in the oxide, is 0.01 mole≦first subcomponent<2 moles. According to this dielectric ceramic composition, it is possible to obtain a superior resistance to reduction at the time of firing, obtain a superior capacity-temperature characteristic after firing, and improve the accelerated life of the insulation resistance.

Abstract: An electronic unit device includes a connector and a casing. The connector is connectable to a to-be-connected device. The casing includes a cover panel which can be opened and closed. The cover panel comprises a panel body and a partial panel. The panel body has a cut section. The partial panel is attachable and detachable to and from the cut section, and covers at least the surface of the connector, when the partial panel is attached into the cut section. The panel body includes a falling-prevention section, for preventing the installed partial panel from falling from the cut section, and a guide section for guiding the partial panel. The partial panel includes at least one engagement section to be engaged with the falling prevention section. The partial panel includes a section, to be in contact with the panel body, which is formed in such a shape as to be fit into the guide section.

Abstract: A dielectric ceramic composition comprising at least a main component containing a dielectric oxide of a composition expressed by {(Sr1−xCax)O}m.(Ti1−yZry)O2 and a fourth subcomponent containing an oxide of R (where R is at least one element selected from Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu), wherein the symbols m, x, and y showing the molar ratio of the composition in the formula contained in the main component are in relations of 0.94<m<1.02, 0≦x≦1.00, and 0≦y≦0.20 and the ratio of the fourth subcomponent with respect to 100 moles of the main component, which is converted to the R in the oxide, is 0.02 mole≦fourth subcomponent<2 moles. According to this dielectric ceramic composition, it is possible to obtain a superior resistance to reduction at the time of firing, obtain a superior capacity-temperature characteristic after firing, and improve the accelerated life of the insulation resistance.

Abstract: A method of producing an electronic device comprising a dielectric layer constituted by a dielectric ceramic composition containing a main component expressed by a composition formula of {(Sr1-xCax)O}m. (Ti1-yZry)O2, wherein the mole ratio m satisfies 0.94<m<1.08, the code x satisfies 0≦x≦1.00 and the code y satisfies 0≦y≦0.20; and a fourth subcomponent including an oxide of R (note that R is at least one of rare-earth element); characterized by producing the dielectric ceramic composition by using a composition source material wherein at least a part of a source material for the fourth subcomponent is brought to react with a source material for the main component.

Abstract: A dielectric ceramic composition comprising at least a main component containing a dielectric oxide of a composition expressed by {(Sr1−xCax)O}m·(Ti1−yZry)O2 and a first subcomponent containing at least one type of compound selected from oxides of V, Nb, W, Ta, and Mo and/or compounds forming these oxides after firing, wherein the symbols m, x, and y showing the molar ratio of the composition in the formula contained in the main component are in relations of 0.94<m<1.08, 0≦x≦1.00, and 0≦y≦0.20 and the ratio of the first subcomponent with respect to 100 moles of the main component, which is converted to the metal element in the oxide, is 0.01 mole≦first subcomponent<2 moles. According to this dielectric ceramic composition, it is possible to obtain a superior resistance to reduction at the time of firing, obtain a superior capacity-temperature characteristic after firing, and improve the accelerated life of the insulation resistance.

Abstract: A method of producing an electronic device including a dielectric layer includes a dielectric ceramic composition containing a main component expressed by a formula of {(Sr1−xCax)O}m.(Ti1−yZry)O2, wherein x fulfills 0≦x≦1.00 and y fulfills 0≦y≦0.20, and producing said dielectric ceramic composition by using a material expressed by a formula of {(Sr1−xCax)O}m′.(Ti1−yZry)O2 wherein the mole ratio m′ fulfills m′<m. It is possible to produce an electronic device, such as a chip capacitor, having excellent resistance to reducing during firing and excellent capacity-temperature characteristics after firing, wherein the insulation resistance is hard to be deteriorated particularly when made to be a thin layer and defect rate of the initial insulation resistance is low.

Abstract: A device unit housing apparatus provided with a simple structure to easily engage and disengage a device unit such as a magnetic disk drive unit with or from an apparatus main body. The device unit housing apparatus includes an apparatus main body provided with an engaging through-hole formed therein for accommodating a device unit or an engaged subject, and a unit engaging mechanism provided on the device unit. The unit engaging mechanism includes a unit engaging body movable and engageable with the engaging through-hole, and an elastic member which can always press the unit engaging body against the engaging through-hole.

Abstract: A method of producing an electronic device comprising a dielectric layer includes a dielectric ceramic composition containing a main component expressed by a composition formula of {(Sr1−xCax)O}m.(Ti1−yZry)O2, wherein the code x in said composition formula fulfills 0≦x≦1.00 and the code y in said composition formula fulfills 0≦y≦0.20, and characterized by producing said dielectric ceramic composition by using a material expressed by a composition formula of {(Sr1−xCax)O}m′.(Ti1−yZry)O2 wherein the mole ratio m′ in said composition formula fulfills m′<m. Due to the method, it is possible to produce an electronic device, such as a chip capacitor, having excellent resistance to reducing during firing and excellent capacity-temperature characteristics after firing, wherein the insulation resistance is hard to be deteriorated particularly when made to be a thin layer and defect rate of the initial insulation resistance is low.

Abstract: A method of producing an electronic device comprising a dielectric layer constituted by a dielectric ceramic composition containing a main component expressed by a composition formula of {(Sr1-xCax)O}m.(Ti1-yZry)O2, wherein the mole ratio m satisfies 0.94<m<1.08, the code x satisfies 0≦x≦1.00 and the code y satisfies 0≦y≦0.20; and a fourth subcomponent including an oxide of R (note that R is at least one of rare-earth element); characterized by producing the dielectric ceramic composition by using a composition source material wherein at least a part of a source material for the fourth subcomponent is brought to react with a source material for the main component.

Abstract: A device unit housing apparatus provided with a simple structure to easily engage and disengage a device unit such as a magnetic disk drive unit with or from an apparatus main body. The device unit housing apparatus includes an apparatus main body provided with an engaging through-hole formed therein for accommodating a device unit or an engaged subject, and a unit engaging mechanism provided on the device unit. The unit engaging mechanism includes a unit engaging body movable and engageable with the engaging through-hole, and an elastic member which can always press the unit engaging body against the engaging through-hole.

Abstract: An electronic unit device includes a connector and a casing. The connector is connectable to a to-be-connected device. The casing includes a cover panel which can be opened and closed. The cover panel comprises a panel body and a partial panel. The panel body has a cut section. The partial panel is attachable and detachable to and from the cut section, and covers at least the surface of the connector, when the partial panel is attached into the cut section. The panel body includes a falling-prevention section, for preventing the installed partial panel from falling from the cut section, and a guide section for guiding the partial panel. The partial panel includes at least one engagement section to be engaged with the falling prevention section. The partial panel includes a section, to be in contact with the panel body, which is formed in such a shape as to be fit into the guide section.

Abstract: A dielectric ceramic composition comprising at least a main component containing a dielectric oxide of a composition expressed by {(Sr1−xCax)O}m.(Ti1−yZry)O2 and a fourth subcomponent containing an oxide of R (where R is at least one element selected from Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu), wherein the symbols m, x, and y showing the molar ratio of the composition in the formula contained in the main component are in relations of 0.94<m<1.02, 0≦x≦1.00, and 0≦y≦0.20 and the ratio of the fourth subcomponent with respect to 100 moles of the main component, which is converted to the R in the oxide, is 0.02 mole≦fourth subcomponent<2 moles. According to this dielectric ceramic composition, it is possible to obtain a superior resistance to reduction at the time of firing, obtain a superior capacity-temperature characteristic after firing, and improve the accelerated life of the insulation resistance.

Abstract: A dielectric ceramic composition comprising at least a main component containing a dielectric oxide of a composition expressed by {(Sr1−xCax)O}m ·(Ti1−yZry)O2 and a first subcomponent containing at least one type of compound selected from oxides of V, Nb, W, Ta, and Mo and/or compounds forming these oxides after firing, wherein the symbols m, x, and y showing the molar ratio of the composition in the formula contained in the main component are in relations of 0.94<m<1.08, 0≦x≦1.00, and 0≦y≦0.20 and the ratio of the first subcomponent with respect to 100 moles of the main component, which is converted to the metal element in the oxide, is 0.01 mole≦first subcomponent≦2 moles. According to this dielectric ceramic composition, it is possible to obtain a superior resistance to reduction at the time of firing, obtain a superior capacity-temperature characteristic after firing, and improve the accelerated life of the insulation resistance.

Abstract: A bulk superconductor is produced by subjecting REBa.sub.2 Cu.sub.3 O.sub.y oxide to oxygen annealing after many holes have been formed in the oxide body.

Abstract: A battery pack includes on the bottom surface of its casing an information output terminal. An internal circuit board has an overcharge preventing circuit, an overdischarge preventing circuit and an overvoltage preventing circuit are provided. Integrated circuitry for generating an identification (ID) signal and for processing is assembled on a part of the circuit board or its clearance and the ID signal is mixed with inside information. Analog and digital signals or a mixed signal thereof are output from the information output terminal.

Abstract: A magnetic disk apparatus has a disk assembly including a single servo disk and a plurality of data disks, a servo-head supporting structure for supporting a servo head and data-head supporting structures for supporting data heads. These heads are so disposed as to cooperate with respective disks. The servo-head and data-head supporting structures are driven by an actuator to move the servo head and the data heads to the required positions on the corresponding disks. The servo-head supporting structure and each of the data-head supporting structures have different proper oscillations to prevent the occurrence of a resonance during a seek operation.