Abstract: According to an aspect of an embodiment, a head slider includes: a slider substrate; and an operating unit arranged on the slider substrate, the operating unit having a pair of electrodes and a piezoelectric component arranged between the pair of electrodes, the pair of electrodes being constituted by a first electrode and a second electrode, in which the product of the Young's modulus and the thickness of the first electrode in the direction from the first electrode to the second electrode is larger than the product of the Young's modulus and the thickness of the second electrode in the direction from the first electrode to the second electrode. The head slider further includes a magnetic head arranged on the slider substrate with the operating unit, opposite to the slider substrate.

Abstract: According to an aspect of an embodiment, a method for manufacturing a magnetic head support having a piezoelectric device on a metal plate member comprises the steps of: providing a metal plate member; forming a piezoelectric layer of a piezoelectric material on the plate member at an elevated temperature; forming a first electrode layer of an electrical conducting material on the piezoelectric layer; and bending the metal plate member at a bending portion adjacent to the piezoelectric layer while the temperature is lowered from the elevated temperature after forming the piezoelectric layer.

Abstract: It is an object of the present invention to provide polylactic acid containing a stereocomplex crystal and having excellent moldability, a high molecular weight, high crystallinity and a high melting point and a process for manufacturing the same. It is another object of the present invention to provide a composition comprising the polylactic acid and a molded product of the polylactic acid. The present invention is characterized from polylactic acid having a weight average molecular weight of 80,000 to 500,000 and a melting peak at 195° C. or higher which accounts for 80% or more of the total of melting peaks in the temperature elevation step when measured by a differential scanning calorimeter (DSC) and a process for manufacturing the same.

Abstract: A photonic crystal structural body has a structure that a second mediums whose refractive index changes with an external field is periodically distributed in a first medium whose refractive index changes with the external field. An external field generator applies the external field to the photonic crystal structural body. It is possible to increase a change amount of a photonic band gap.

Abstract: A thin-film piezoelectric device is disclosed that includes a substrate, a piezoelectric pattern disposed on the substrate, the piezoelectric pattern including plural spaced-apart piezoelectric regions, and a pair of electrodes that apply an electric field to the piezoelectric pattern.

Abstract: A resonator pattern made of superconductive material is disposed over a first surface of a base substrate made of dielectric. An adjustment substrate made of dielectric is disposed facing the first surface at a distance from the first surface. The adjustment substrate is supported by a support mechanism for supporting the adjustment substrate in such a manner capable of changing an angle between the first surface and a surface of the adjustment substrate facing the base substrate. A superconductive filter is provided which can shift a center frequency of a filter band and suppress disturbance of a waveform of a filter characteristic, with a simple method.

Abstract: An optical deflection element is configured to include a prism electrode provided on an optical waveguide, a first photonic crystal structure provided forward of the prism electrode in a light traveling direction being a position after a light passes through the prism electrode, a control electrode provided to confront a counter electrode layer via the optical waveguide on the first photonic crystal structure, and a second photonic crystal structure provided in the lateral direction of the prism electrode in parallel with the light traveling direction.

Abstract: An optical element is constituted by providing an optical waveguide formed with a piezoelectric material, a photonic crystal structure provided within the optical waveguide, a pair of control electrodes, which are provided so as to sandwich the upper and lower surfaces of the optical waveguide, for applying a voltage to the optical waveguide and supporting parts formed at the both ends of the lower control electrode.

Abstract: A photonic crystal structural body has a structure that a second mediums whose refractive index changes with an external field is periodically distributed in a first medium whose refractive index changes with the external field. An external field generator applies the external field to the photonic crystal structural body. It is possible to increase a change amount of a photonic band gap.

Abstract: The optical device comprises a first substrate 10 having a control circuit formed on; optical waveguide layer 40 formed above the first substrate and having a refractive index changed by electro-optic effect; and second substrates 14a, 14b having prism electrodes 18 for applying voltages to the optical waveguide layer. The control circuit and the prism electrodes are electrically connected to each other via columnar conductors 20. Even in a case where thermal expansion coefficients of the control substrate and of the light deflection substrates are very different from each other, the pins are flexed corresponding to eternal forces, whereby junction is protected from being damaged in the joining processing. Thus, the optical switch can be highly reliable.

Abstract: A tractor with a backhoe is disclosed. The backhoe is mounted to a rear portion of the tractor. The backhoe has a boom, an arm pivotally supported to a leading end of the boom, a bucket pivotally supported to a leading end of the arm, a boom cylinder for operating the boom, an arm cylinder for operating the arm and a bucket cylinder for operating the bucket. The tractor includes a frame attached to a rear portion of the tractor, a swing bracket supported to a rear portion of the frame to be pivotable about a vertical axis, a control valve unit having control valves for controlling the boom cylinder, the arm cylinder and the bucket cylinder and a hose unit for feeding pressure oil from the control valve unit to the boom cylinder, the arm cylinder and the bucket cylinder. The wing bracket includes a first opening open to the front side and a second opening open to the rear side. The control valve unit is disposed, in its plan view, on an extension line of the first opening and the second opening.

Abstract: An optoelectronic component is mounted at a precise position on a waveguide substrate so as to reduce loss in propagating light, and electrically connect electrodes on the waveguide substrate and the optoelectronic component. The waveguide substrate has an optical waveguide and a recessed portion for mounting the optoelectronic component, and electrodes are arranged on the recessed portion. A great number of globular elastic conductive particles are distributed on the bottom surface of the recessed portion. Thereafter, the optoelectronic component is placed in the recessed portion so as to press the globular elastic conductive particles, and alignment between the optical waveguide in the waveguide substrate and an optical waveguide in the optoelectronic component is adjusted. Then, the optoelectronic component is fixed to the waveguide substrate with an optical adhesive while the alignment is precisely adjusted.

Abstract: An optical wiring substrate provides a slab optical waveguide having a refractive index different from a refractive index of other surrounding portions and a planar convex lens being provided continuously to a tip portion of an optical path of an optical wave guide including a core and cladding and formed on a substrate. The optical path of light passing through the planar convex lens is converted approximately by 90° with a mirror. The light reflected with the mirror is made as parallel light rays by use of a cylindrical lens.

Abstract: The optical device comprises a first substrate 10 having a control circuit formed on; optical waveguide layer 40 formed above the first substrate and having a refractive index changed by electro-optic effect; and second substrates 14a, 14b having prism electrodes 18 for applying voltages to the optical waveguide layer. The control circuit and the prism electrodes are electrically connected to each other via columnar conductors 20. Even in a case where thermal expansion coefficients of the control substrate and of the light deflection substrates are very different from each other, the pins are flexed corresponding to eternal forces, whereby junction is protected from being damaged in the joining processing. Thus, the optical switch can be highly reliable.

Abstract: An optical deflection element is configured to include a prism electrode provided on an optical waveguide, a first photonic crystal structure provided forward of the prism electrode in a light traveling direction being a position after a light passes through the prism electrode, a control electrode provided to confront a counter electrode layer via the optical waveguide on the first photonic crystal structure, and a second photonic crystal structure provided in the lateral direction of the prism electrode in parallel with the light traveling direction.

Abstract: A core layer contains photonic crystals formed by ferroelectric members made of a ferroelectric substance and periodically disposed along a one-dimensional direction or two-dimensional directions. Electrodes apply an electric field to the core layer. An optical function device is provided which can be made compact and can set a wavelength at high speed.

Abstract: A reinforcing frame construction having ROPS and a rear axle casing projecting to the right and left from a tractor vehicle body. The construction includes a pair of right and left loader attaching members for detachably attaching a front loader, the loader attaching members being connected to an intermediate portion of the vehicle body and projecting therefrom to the lateral sides, a pair of right and left rear supporting members provided in the rear axle casing for supporting right and left legs of the ROPS, and a pair of right and left connecting members to which a rear implement is connected, the connecting members being fitted into the rear axle casing and being detachably connected to the rear supporting members. Extension portions of the connecting members extending forwardly therefrom are detachably connected to the loader attaching members.

Abstract: A location management method manages the location of a member which move around carrying a GPS-equipped portable telephone. The method includes inquiring of the GPS-equipped portable telephone about its current location, making the GPS-equipped portable telephone return positional information of the current location measured by the GPS function, managing the returned positional information of the current location in a file, searching a map database based on the positional information of the current location, and preparing and displaying map data linked with the positional information of the current location.

Abstract: An optoelectronic component is mounted at a precise position on a waveguide substrate so as to reduce loss in propagating light, and electrically connect electrodes on the waveguide substrate and the optoelectronic component. The waveguide substrate has an optical waveguide and a recessed portion for mounting the optoelectronic component, and electrodes are arranged on the recessed portion. A great number of globular elastic conductive particles are distributed on the bottom surface of the recessed portion. Thereafter, the optoelectronic component is placed in the recessed portion so as to press the globular elastic conductive particles, and alignment between the optical waveguide in the waveguide substrate and an optical waveguide in the optoelectronic component is adjusted. Then, the optoelectronic component is fixed to the waveguide substrate with an optical adhesive while the alignment is precisely adjusted.

Abstract: An optical wiring substrate provides a slab optical waveguide having a refractive index different from a refractive index of other surrounding portions and a planar convex lens being provided continuously to a tip portion of an optical path of an optical wave guide including a core and cladding and formed on a substrate. The optical path of light passing through the planar convex lens is converted approximately by 90° with a mirror. The light reflected with the mirror is made as parallel light rays by use of a cylindrical lens.