Abstract: A water lubrication type bearing material contains 12 wt. % to 25 wt. % of a tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer resin (PFA resin), 18 wt. % to 33 wt. % of a carbon fiber, and a remainder including a polytetrafluoroethylene (PTFE) resin and/or a modified PTFE resin. The bearing material has excellent wear resistance and sliding characteristics for a water lubrication type bearing.

Abstract: A robot control device controls a robot provided with a force detection device. The robot control device includes an extension slot having a connector to which an interface board to communicate with the force detection device can be connected. It is preferable that the extension slot is removable. It is also preferable that the robot control device has the interface board having a connector to be connected to the extension slot.

Abstract: A force detection device includes a charge output element that outputs charge in accordance with a received external force, a conversion and output circuit, having a first switching element and a first capacitor, which converts the charge into a voltage and outputs the voltage, a compensation signal output circuit, having a second switching element and a second capacitor, which outputs a compensation signal, and an external force detection circuit that detects an external force on the basis of the voltage which is output from the conversion and output circuit and the compensation signal which is output from the compensation signal output circuit. The capacitance of the second capacitor is smaller than the capacitance of the first capacitor.

Abstract: A water lubrication type bearing material contains 12 wt. % to 25 wt. % of a tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer resin (PFA resin), 18 wt. % to 33 wt. % of a carbon fiber, and a remainder including a polytetrafluoroethylene (PTFE) resin and/or a modified PTFE resin. The bearing material has excellent wear resistance and sliding characteristics for a water lubrication type bearing.

Abstract: A force detection device includes a charge output element that outputs charge in accordance with a received external force, a conversion and output circuit, having a first switching element and a first capacitor, which converts the charge into a voltage and outputs the voltage, a compensation signal output circuit, having a second switching element and a second capacitor, which outputs a compensation signal, and an external force detection circuit that detects an external force on the basis of the voltage which is output from the conversion and output circuit and the compensation signal which is output from the compensation signal output circuit. The capacitance of the second capacitor is smaller than the capacitance of the first capacitor.

Abstract: A force detection device includes a charge output element that outputs charge in accordance with a received external force, a conversion and output circuit, having a first switching element and a first capacitor, which converts the charge into a voltage and outputs the voltage, a compensation signal output circuit, having a second switching element and a second capacitor, which outputs a compensation signal, and an external force detection circuit that detects an external force on the basis of the voltage which is output from the conversion and output circuit and the compensation signal which is output from the compensation signal output circuit. The capacitance of the second capacitor is smaller than the capacitance of the first capacitor.

Abstract: Disclosed is a PTFE resin composition comprising 70 to 90 wt. % of polytetrafluoroethylene or modified polytetrafluoroethylene, and 30 to 10 wt. % of curved carbon fibers. The PTFE resin composition, which is prepared by blending a specific amount of curved carbon fibers with PTFE or modified PTFE, can be effectively used as a molding material that can provide a water pump lip seal material having excellent deformation resistance, abrasion resistance, and sealing properties against cooling water. In particular, even when this composition is used as a vehicle cooling water circulating pump seal, the falling of the carbon fibers can be effectively prevented even under severe conditions, i.e., cooling water seal, and the leakage of cooling water caused by deformation and abrasion during use does not occur; thus, the sealing properties thereof can be sufficiently satisfied.

Abstract: A sensor device includes a package, a sensor element that is disposed in the package, and a lid that seals the package, in which the sensor element includes a contacting surface that comes in contact with the lid, the package includes a joint surface which is joined to the lid, and the contacting surface and the joint surface are not on the same flat surface.

Abstract: A sensor module includes a first member including a first recess in which a piezoelectric element including an electrode is arranged, a second member joined to the first member, a first plate in contact with the second member, a second plate in contact with the first member, and a fastening section configured to fasten the first plate and the second plate. A first projection projecting toward the second member is provided on the first plate. The internal height of the first recess of the first member is larger than the height of the piezoelectric element. The piezoelectric element is in contact with the second member.

Abstract: A sensor element is formed by, when an ? axis, a ? axis orthogonal to the ? axis, and a ? axis orthogonal to the ? axis and the ? axis are set, laminating piezoelectric substrates and electrodes in the ? axis direction. The sensor element includes connecting sections arranged such that a part of external sections of the electrodes aligns with a part of external sections of the piezoelectric substrates. The connecting sections are arranged not to align with one another in a direction of the ? axis. Conductors that electrically connect the connecting sections and external connecting sections are formed along outer peripheral sections of the piezoelectric substrates.

Abstract: A piezoelectric substrate includes vibrating arms, a base portion to which one end portion of each vibrating arm is connected, spindle portions formed in the other end portion of each vibrating arm, formed to have a large width, and having first groove portions formed therein, and second groove portions that are formed along the resonator center line of each vibrating arm, and flexure-torsional combined resonator is excited. A piezoelectric resonator element has flexural resonator of flexure-torsional combined resonator that is excited as its principal resonator and sets the cutting angle of the piezoelectric substrate, the widths and the depths of the first groove portion and the second groove portion, and the thickness of the vibrating arm such that the frequency-temperature characteristics represent third-order characteristics with respect to the temperature.

Abstract: A force detection device includes a charge output element that outputs charge in accordance with a received external force, a conversion and output circuit, having a first switching element and a first capacitor, which converts the charge into a voltage and outputs the voltage, a compensation signal output circuit, having a second switching element and a second capacitor, which outputs a compensation signal, and an external force detection circuit that detects an external force on the basis of the voltage which is output from the conversion and output circuit and the compensation signal which is output from the compensation signal output circuit. The capacitance of the second capacitor is smaller than the capacitance of the first capacitor.

Abstract: A sensor module includes a first member including a first recess in which a piezoelectric element including an electrode is arranged, a second member joined to the first member, a first plate in contact with the second member, a second plate in contact with the first member, and a fastening section configured to fasten the first plate and the second plate. A first projection projecting toward the second member is provided on the first plate. The internal height of the first recess of the first member is larger than the height of the piezoelectric element. The piezoelectric element is in contact with the second member.

Abstract: A piezoelectric substrate includes vibrating arms, a base portion to which one end portion of each vibrating arm is connected, spindle portions formed in the other end portion of each vibrating arm, formed to have a large width, and having first groove portions formed therein, and second groove portions that are formed along the resonator center line of each vibrating arm, and flexure-torsional combined resonator is excited. A piezoelectric resonator element has flexural resonator of flexure-torsional combined resonator that is excited as its principal resonator and sets the cutting angle of the piezoelectric substrate, the widths and the depths of the first groove portion and the second groove portion, and the thickness of the vibrating arm such that the frequency-temperature characteristics represent third-order characteristics with respect to the temperature.

Abstract: There is provided an optical information recording medium which can meet opposite requirements of enhancement in ink absorption and fixation properties of an image forming layer and suppression and prevention of solid attachment of a printed portion, which has excellent printability to obtain high image quality and an excellent holding property of the printed portion, and which little makes the solid attachment on the printed surface layer occur. At this time, a thick layer can be formed even by the use of a coating solution for the image forming layer. The optical information recording medium has the image forming layer on various layers stacked on a surface of a light transmitting substrate and optically readable signals are recorded or can be recorded therein by the use of laser beams incident on the other surface of the light transmitting substrate, wherein the image forming layer includes an ink absorbing porous layer made of a resin layer containing vapor inorganic particles.

Abstract: There is provided an optical information recording medium which can meet opposite requirements of enhancement in ink absorption and fixation properties of an image forming layer and suppression and prevention of solid attachment of a printed portion, which has excellent printability to obtain high image quality and an excellent holding property of the printed portion, and which little makes the solid attachment on the printed surface layer occur. At this time, a thick layer can be formed even by the use of a coating solution for the image forming layer. The optical information recording medium has the image forming layer on various layers stacked on a surface of a light transmitting substrate and optically readable signals are recorded or can be recorded therein by the use of laser beams incident on the other surface of the light transmitting substrate, wherein the image forming layer includes an ink absorbing porous layer made of a resin layer containing vapor inorganic particles.

Abstract: A lip type seal (3A) has an annular casing (31), a plurality of seal lips (32, 34) and a rear surface support ring (35) arranged at the rear side. The casing (31) is installed to an inner circumferential surface of a seal installation part (1a) of a shaft hole housing (1) of an equipment through a main gasket (36) made of rubber state elastic material. An inner circumferential part of the seal lips (32, 34) is closely contacted with an outer circumferential surface of a rotary shaft (2). A sub-gasket (41) made of a material having a CO2 transmission coefficient being smaller than that of rubber material is interposed between the rear surface support ring (35) and the shaft hole housing (1).

Abstract: First pumping threads are formed on an inner circumferential surface of the seal lip portion of an elastomer lip member. The first pumping threads generate a pumping action in a leakage direction when a shaft rotates. A first resin lip member is arranged at a rear side of the elastomer lip member. Second pumping threads generate a pumping action in a direction opposite to the leakage direction when the shaft rotates. The second pumping threads are formed from an inner circumferential surface of a seal lip portion of the first resin lip member to a rear portion of a bent portion thereof. A second resin lip member is arranged at a rear side of the first resin lip member and has a surface sliding on the shaft, which is formed smoothly.

Abstract: A lip type seal (3A) has an annular casing (31), a plurality of seal lips (32, 34) and a rear surface support ring (35) arranged at the rear side. The casing (31) is installed to an inner circumferential surface of a seal installation part (1a) of a shaft hole housing (1) of an equipment through a main gasket (36) made of rubber state elastic material. An inner circumferential part of the seal lips (32, 34) is closely contacted with an outer circumferential surface of a rotary shaft (2). A sub-gasket (41) made of a material having a CO2 transmission coefficient being smaller than that of rubber material is interposed between the rear surface support ring (35) and the shaft hole housing (1).

Abstract: First pumping threads 125 are formed on an inner circumferential surface of the seal lip portion 124 of an elastomer lip member 12. The first pumping threads 125 generate a pumping action in a leakage direction when a shaft 2 rotates. A first resin lip member 14 is arranged at a rear side of the elastomer lip member 12. Second pumping threads 144 generate a pumping action in a direction opposite to the leakage direction when the shaft 2 rotates. The second pumping threads 144 are formed from an inner circumferential surface of a seal lip portion 143 of the first resin lip member 14 to a rear portion of a bent portion 142 thereof. A second resin lip member 18 is arranged at a rear side of the first resin lip member 18 and has a surface sliding on the shaft 2, which is formed smoothly.