Abstract: A liquid hammer prevention device has a casing led to a fluid channel via passage hole, an elastic cushion made of foamed material incorporated in the casing; and a diaphragm partitioning the inside of the into an area led to the fluid channel and another area incorporating the elastic cushion. The elastic cushion is “Asker C 30 and 85” according to Japanese Industrial Standard S 6050 measured by the level gauge of a durometer “Asker C,” and is 0.30-0.70 of apparent specific gravity.

Abstract: An in-line type fluid hammer prevention device capable of maintaining pressure energy conversion efficiency of elastic cushion for a long time by improving fluid sealing tightness against an elastic cushion by elastic cylindrical diaphragm, wherein an inlet cylindrical connecting body (1) and an outlet connecting body (3) are connected at an intermediate position of fluid channel (R) of a piping system in series, and both ends of a sleeve (5) is positioned between center through-holes (1C, 3C), and a cylindrical diaphragm (7) is placed around the outer periphery side of small holes (5E) provided on the wall of the sleeve (5), and inward lip portions (7A, 7B) at the both ends of the cylindrical diaphragm (7) are pressed and supported by the protrusive flanges (5C, 5D) and the recessed seats (1D, 3D), and an elastic cushion (8) is placed outside the cylindrical diaphragm (7) around the outer periphery side of the small holes (5E) of the sleeve (5).

Abstract: The present invention provides a bolting structure for a magnesium alloy member, having a non-magnesium alloy and conventional member 12 disposed on the magnesium alloy member 15, the magnesium alloy member 15 being covered with an insulator 14, and a bolt 18 initially inserted through the magnesium alloy member 15 and then into the conventional member 12, thereby permitting the conventional member 12 and the magnesium alloy member 15 to be bolted together, comprising: a washer 17 disposed between a head 18a of the bolt 18 and the magnesium alloy member 15, the washer 17 having a boss 16 disposed thereon, wherein the magnesium alloy member 15 is formed with a through-hole 13 that is greater in diameter than a bolthole 19 of the washer 17. The above boss 16 and through-hole 13 eliminate a chance that the bolt 18 contacts the through-hole 13. The insulator 14 remains intact because of non-contact of the bolt 18 with the through-hole 13 so that no stray current corrosion occurs.

Abstract: A wheel balance weight includes a weight and an installation member. The weight is composed of at least one member selected from the group consisting of zinc and a zinc-based alloy, is formed as a substantially strip shape having a substantially uniform thickness, and has opposite surfaces and at least a groove. The groove is formed in at least one of the opposite surfaces of the weight, and crosses in the width-wise direction of the weight. The installation member is adapted for installing the weight to a rim in a wheel. Since the weight is composed of zinc or a zinc-based alloy, environments are inhibited from being polluted when the wheel balance weight is abolished. Moreover, it is possible to manufacture the wheel balance weight at reduced costs and install it to wheels with ease.

Abstract: An in-line type fluid hammer prevention device capable of maintaining pressure energy conversion efficiency of elastic cushion for a long time by improving fluid sealing tightness against an elastic cushion by elastic cylindrical diaphragm, wherein an inlet cylindrical connecting body (1) and an outlet connecting body (3) are connected at an intermediate position of fluid channel (R) of a piping system in series, and both ends of a sleeve (5) is positioned between center through-holes (1C, 3C), and a cylindrical diaphragm (7) is placed around the outer periphery side of small holes (5E) provided on the wall of the sleeve (5), and inward lip portions (7A, 7B) at the both ends of the cylindrical diaphragm (7) are pressed and supported by the protrusive flanges (5C, 5D) and the recessed seats (1D, 3D), and an elastic cushion (8) is placed outside the cylindrical diaphragm (7) around the outer periphery side of the small holes (5E) of the sleeve (5).

Abstract: A two-component developing device to stir a developer with toners so as to fully and evenly stir the toners. The two-component developing device developer carrying members (1 to 3) for carrying the developer (130) containing carriers and toners, to a latent image carrier (12), a stirring and carrying screw (6) for stirring the toners with the developer. The stirring and carrying screw (6) includes a screw shaft, a spiral screw (61) with a relatively short diameter, and another spiral screw (62) with a relatively long diameter, which are alternately wound around the same screw shaft. By arranging the short-diameter spiral screw (61) as a member for stirring the surface layer of the developer, the developer can be fully stirred while being carried on the face of a blade thereof.

Abstract: A shade is moved to a high-beam position by a driving force of a solenoid and held in that position. The shade is switched to a low-beam position by a spring force of a plate spring and held in that position. The solenoid is the pull-type solenoid. The shade is thin and therefore light in weight. As a result, low-cost and light-weight headlamp is obtained. Moreover, switching of the beams can be performed accurately.

Abstract: A semiconductor device includes a semiconductor substrate having a device element, an interlayer dielectric layer (silicon oxide layer, BPSG layer) formed on the semiconductor substrate, a through hole defined in the interlaver dielectric layer, a barrier layer formed on surfaces of the interlayer dielectric layer and the through hole, and a wiring layer formed on the barrier layer. The barrier layer includes a first metal oxide layer formed from an oxide of a metal that forms the barrier layer (e.g., a first titanium oxide layer), a metal nitride layer formed from a nitride of the metal that forms the barrier layer (e.g., a titanium nitride layer), and a second metal oxide layer formed from an oxide of the metal that forms the barrier layer (e.g., a second titanium oxide layer). The semiconductor device thus manufactured has a barrier layer of an excellent barrier capability.

Abstract: A transfer film (1) having a print pattern is floated on a liquid surface (12A) within a transfer bath and a transfer objective body (2) is immersed into a liquid (12) within the transfer bath together with the transfer film (1) whereby the print pattern on the transfer film (1) is transferred onto the surface of the transfer objective body (2) using a liquid pressure. The surface portion of the transfer objective body (2) on which the print pattern should be transferred is immersed under the liquid surface (12A) while the surface portion of the transfer objective body follows the transfer film (1) so as to be developed thereon in a plane manner by rolling the surface portion of the transfer objective body (2) on the transfer film (1).

Abstract: A semiconductor device includes a semiconductor substrate having a device element, an interlayer dielectric layer (silicon oxide layer, BPSG layer) formed on the semiconductor substrate, a through hole defined in the interlayer dielectric layer, a barrier layer formed on surfaces of the interlayer dielectric layer and the through hole, and a wiring layer formed on the barrier layer. The barrier layer includes a first metal oxide layer formed from an oxide of a metal that forms the barrier layer (e.g., a first titanium oxide layer), a metal nitride layer formed from a nitride of the metal that forms the barrier layer (e.g., a titanium nitride layer), and a second metal oxide layer formed from an oxide of the metal that forms the barrier layer (e.g., a second titanium oxide layer). The semiconductor device thus manufactured has a barrier layer of an excellent barrier capability.

Abstract: A method for manufacturing a semiconductor device that fills contact holes with conductive material such as aluminum or an aluminum alloy. A semiconductor device is manufactured by the process of forming an opening such as a contact hole in an interlayer dielectric film formed on a semiconductor substrate having a device element formed thereon. A first film and a second film made of conductive material such as aluminum or an alloy containing aluminum are formed on the interlayer dielectric film and the opening. The second film is then gradually cooled.

Abstract: The present invention provides a bolt tightening structure of a magnesium alloy member capable of insulating between magnesium alloy members and steel or other bolts without lowering the bolt shaft power, and preventing occurrence of electrolytic corrosion if contacting with electrolyte such as water. This is a bolt tightening structure of a magnesium alloy member for tightening magnesium alloy members with each other or a magnesium alloy member and a heterogeneous material by means of a bolt. Cationic electrodeposition coating having a film thickness of 15 &mgr;m or more is provided at least on the surface of the magnesium alloy member contacting with a bolt head, a powder coating having a film thickness of 40 to 150 &mgr;m is provided on surface of the cationic electrodeposition coating, zinc-nickel plating and then cosmer treatment are carried out on the bolts, and an alumite-treated aluminum washer is interposed between the bolt head and the magnesium alloy member.

Abstract: An air-driven dental instrument (10) includes a replaceable vibrator module (16) detachably accommodated in an axial lodgment defined by an elongated outer casing (14) comprised of a frontal cap (22A) and a main body (26A) coupled with each other. When the cap (22A) is coupled, the module (16) is axially positioned against the cap (22A) by a positioning sleeve (90A) and is rotationally locked against the sleeve (90A) by a hexagonal formation (128) engaging into cutouts (136) formed on a housing (134). When the cap (22A) is disconnected from the main body (26A), the module (16) is retained by the housing (134) but is partly exposed therefrom. This permits a user to grip the module to thereby facilitate replacement of the module (16).

Abstract: A semiconductor device includes a semiconductor substrate having a device element, an interlayer dielectric layer (silicon oxide layer, BPSG layer) formed on the semiconductor substrate, a through hole defined in the interlayer dielectric layer, a barrier layer formed on surfaces of the interlayer dielectric layer and the through hole, and a wiring layer formed on the barrier layer. The barrier layer includes a first metal oxide layer formed from an oxide of a metal that forms the barrier layer (e.g., a first titanium oxide layer), a metal nitride layer formed from a nitride of the metal that forms the barrier layer (e.g., a titanium nitride layer), and a second metal oxide layer formed from an oxide of the metal that forms the barrier layer (e.g., a second titanium oxide layer). The semiconductor device thus manufactured has a barrier layer of an excellent barrier capability.

Abstract: This invention relates to a radiation-resistant acrylic adhesive composition with less reduction in the adhesion thereof upon irradiation with radiations, which composition comprises an acrylic polymer and a radiation-resistant agent, and a radiation-resistant adhesive product comprising the composition.

Abstract: A method and device for replacing quickly a pipe electrode small-hole electric discharge machining to make a small-hole in a work by electric discharge machining. To make replacement of a pipe electrode 1, an electrode magazine 5 containing an electrode guide 4 in which the pipe electrode 1 is accommodated is replaced by using means. The electrode magazine 5 has a self-position maintenance tip 8 for maintaining the position taken by the electrode 1 until then while the electrode magazine 5 is removed from the electrode discharge machine and resuming the electrode discharge from the position after the electrode magazine 5 is attached again to the electric discharge machine.

Abstract: A liquid hammer prevention device has a casing led to a fluid channel via passage hole, an elastic cushion made of foamed material incorporated in the casing; and a diaphragm partitioning the inside of the into an area led to the fluid channel and another area incorporating the elastic cushion. The elastic cushion is “Asker C 30 and 85” according to Japanese Industrial Standard S 6050 measured by the level gauge of a durometer “Asker C,” and is 0.30-0.70 of apparent specific gravity.

Abstract: A photo film cassette includes a spool core (13) on which photo film is wound in a form of a roll. A cassette shell (3, 4) contains the spool core in rotatable fashion. In each of a pair of disks (16, 17), a bearing hole (16a, 17a) is formed. The disks are secured to first and second ends of the spool core, and regulate edges of the photo film. To produce at least one kind of disk, a continuous sheet (27, 78, 88, 162, 171, 215) of thermoplastic synthetic resin is partially masked with a mask plate (48, 87, 160, 161, 170). A portion of the sheet emerging out of the mask plate is heated at temperature higher than a softening point of the sheet. The emerging portion is subjected to vacuum/air-pressure forming, so as to form a disk-like portion (20) in the sheet. The bearing hole and a contour of the disks is cut in the disk-like portion, to produce the disks.

Abstract: A semiconductor device is manufactured by a method including the steps of forming a through hole in an interlayer dielectric layer (silicon oxide layer, BPSG layer, etc.) formed on a semiconductor substrate having a device element. A barrier layer is formed on surfaces of the interlayer dielectric layer and the through hole. A wiring layer is formed on the barrier layer. The barrier layer is formed by a method including the following steps. A titanium layer that forms at least a part of the barrier layer is formed. A heat treatment is conducted in a nitrogen atmosphere to form a titanium nitride layer at least on a surface of the titanium layer. The titanium nitride layer is contacted with oxygen in an atmosphere including oxygen. A heat treatment is conducted in a nitrogen atmosphere to form titanium oxide layers and to densify the titanium nitride layer.

Abstract: Disclosed is in a two-component developing device to stir a developer with the supplied toners so as to fully stir even a large amount of supplied toners. The two-component developing device comprising developer carrying members (1 to 3) for carrying the developer (130) containing carriers and toners, to a latent image carrier (12), a stirring and carrying screw (6) for stirring the supplied toners with the developer. The stirring and carrying screw (6) comprises a screw shaft, a spiral screw (61) with a relatively short diameter, and another spiral screw (62) with a relatively long diameter, which are alternately wound around the same screw shaft. By arranging the short-diameter spiral screw (61) as a member for stirring the surface layer of the developer, the developer can be fully stirred while being carried on the face of a blade thereof.