Abstract: A base sequence detection apparatus is provided with a channel formed on a base sequence detection chip. Working electrodes are formed along the channel and include a probe immobilized thereon, counter electrodes are formed on the inner surface of the channel and, reference electrodes are formed on the inner surface of the channel. An introduction port introduces solution or air from the upstream side of the channel, a delivery port delivers the solution or air in the channel, and the sample is injected into the channel through a sample injection port.

Abstract: A connection structure for a resin pipe, in which leakage of fluid from between a metal pipe and the resin pipe fitted on the metal pipe is prevented for a long time. In the connection structure, at least two diameter-expanded sections (10, 11) are formed with a spacing on an end region of a metal pipe (1), the spacing between the two diameter-expanded sections (10, 11) functioning as a circumferential groove (12) in which a seal ring (SR) is received, and a resin tube (2) is fitted up to a position beyond a far side diameter-expanded section (11) of the two diameter-expanded sections (10, 11). A back ring (BR) is received in the circumferential groove (12) together with the seal ring (SR). The diameter-expanded sections (10, 11) of the metal tube (1) are formed by bulging or spool shape-forming process.

Abstract: An electric power steering apparatus comprises a rotary shaft member connected to a steering wheel, an elongate member, a rack-and-pinion mechanism, a ball screw mechanism constructed of a screw member, a nut member and a multiplicity of balls interposed between the screw member and the nut member, an electric motor unit, and a meshing type rotation decelerating mechanism including a plurality of meshing components. The meshing components include an output shaft pinion gear, a deceleration gear, and an intermediate gear, interposed between the output shaft pinion gear and the deceleration gear, having a contact portion composed of a synthetic resin.

Abstract: A device includes a flow channel through which a solution containing at least one of a target nucleic acid and a nucleic acid recognition body flows. The flow channel includes a flat bottom surface parallel to the flowing direction of the solution and an inclined surface gradually projecting from the bottom surface in the flowing direction. The device also includes a probe electrode provided on the inclined surface. The probe electrode is formed of an exposed portion of a metal film through an opening of a passivation film stacked on the metal film. An angle ? that the probe electrode forms with respect to the bottom surface, a maximal width R of the opening in the flowing direction, and a thickness d of the passivation film satisfy tan ?>d/R.

Abstract: A nucleic acid detection device includes a flow channel through which a solution containing a nucleic acid recognition body flows, probe electrodes having immobilized nucleic acid probes, and a counter electrode used to measure an electrochemical response of the nucleic acid recognition body. The flow channel includes a curved portion and a straight portion continued from and located downstream of the curved portion. The probe electrodes are arranged at intervals along the straight portion, avoiding an upstream end of the straight portion that is located within a distance L from the curved portion. The distance L is given by L=0.065×Re×D, Re=?uD/?, and D=4 S/Lp where ?, u, and ? are a concentration, a flow velocity, and a viscosity of the solution, and S and Lp are a sectional area and a wall peripheral perimeter of the flow channel, respectively.

Abstract: A nucleic acid detection device includes a flow channel which allows a solution containing a nucleic acid recognition body to flow therethrough, at least two first electrode portions including a probe electrode to which at least one nucleic acid probe is immobilized, and at least two second electrode portions including a reference electrode to be used for measuring a reference value. The first and second electrode portions are arranged in the flow channel to form a row along the flow channel. One of the second electrode portions is adjacent to one of the first electrode portions.

Abstract: An electric power steering apparatus comprises a ball nut rotationally driven by an electric motor through a gear train and having a female thread groove formed in the inner periphery thereof, a rack shaft disposed through the ball nut on the axis thereof and having a male thread groove so formed in its outer periphery as to face to the female thread groove, a ball screw mechanism having a number of circulation balls interposed between the female thread groove and the male thread groove, and a housing for holding the ball nut rotatably through the bearing. An elastic member is interposed between the housing and the ball nut in order to permit the ball nut to make a predetermined displacement.

Abstract: The present invention provides an all-solid-state reflection-controlable electrochromic device and a reflection-controlable member using that device, and the present invention relates to the all-solid-state reflection-controlable electrochromic device, which is a reflection-controlable device in which a multilayer thin film is formed on a transparent base material, wherein, at least a transparent conductive film layer, an ion storage layer, a solid electrolyte layer, a catalyst layer and a reflection-controlable layer using a magnesium-nickel based alloy thin film are formed on the base material; and, a reflection-controlable member incorporating this reflection-controlable electrochromic device, and it is possible to provide a reflection-controlable electrochromic device, having a novel multilayer structure with high transmissivity when transparent and capable of switching in a short period of time over a large surface area, and a reflection-controlable member incorporating this device.

Abstract: A conductive detecting electrode (2), first blocking molecules (21) formed so as to cover a surface of the detecting electrode (2), the first blocking molecules decreasing adsorption of an intercalating agent to the surface of the detecting electrode (2), a target-complementary probe (23) immobilized to the detecting electrode (2) via a spacer member (22) comprising straight chain organic molecules, the target-complementary probe including a base sequence complementary to a target base sequence which is an object of detection, a conductive comparison electrode (3), and second blocking molecules (31) formed so as to cover a surface of the comparison electrode (3), the second blocking molecules decreasing adsorption of an intercalating agent to the surface of the comparison electrode (3), are provided.

Abstract: A circuit board is accommodated in a camera-housing and a connector housing portion formed integrally with the camera housing. An interior wiring has its one end connected to the circuit board and the other end connected to a connector terminal in a pressing state. The connector terminal is accommodated to be held in the camera housing, so that an external connecting connector portion is formed. An external connector located at an external harness is connected to the external connecting connector portion, so that a vehicle mounting camera apparatus is connected to an external apparatus through an external harness.

Abstract: A nucleic acid detection cassette includes a cassette body, a nucleic acid detection region disposed in the cassette body, a first channel disposed in the cassette body, a second channel disposed in the cassette body. The nucleic acid detection region, in which a nucleic acid probe is immobilized, has a reagent inflow port, to which the first channel is connected, and a reagent outflow port, to which the second channel is connected. The nucleic acid detection cassette further includes a reagent injection portion which injects a reagent into the first channel, and a nucleic acid pretreatment region which is disposed in the first channel and which performs pretreatment for the detection of a nucleic acid. The first channel, the second channel, the nucleic acid detection region, the nucleic acid pretreatment region, and the reagent injection portion are sealed.

Abstract: A conductive detecting electrode (2), first blocking molecules (21) formed so as to cover a surface of the detecting electrode (2), the first blocking molecules decreasing adsorption of an intercalating agent to the surface of the detecting electrode (2), a target-complementary probe (23) immobilized to the detecting electrode (2) via a spacer member (22) comprising straight chain organic molecules, the target-complementary probe including a base sequence complementary to a target base sequence which is an object of detection, a conductive comparison electrode (3), and second blocking molecules (31) formed so as to cover a surface of the comparison electrode (3), the second blocking molecules decreasing adsorption of an intercalating agent to the surface of the comparison electrode (3), are provided.

Abstract: An electric power steering apparatus comprises a ball nut rotationally driven by an electric motor through a gear train and having a female thread groove formed in the inner periphery thereof, a rack shaft disposed through the ball nut on the axis thereof and having a male thread groove so formed in its outer periphery as to face to the female thread groove, a ball screw mechanism having a number of circulation balls interposed between the female thread groove and the male thread groove, and a housing for holding the ball nut rotatably through the bearing. An elastic member is interposed between the housing and the ball nut in order to permit the ball nut to make a predetermined displacement.

Abstract: A camera taking an image in a wide range of a visual field cuts out, an image of a vehicle's rear part of the image picked up by the camera. The camera rotates or inverts the image and adjusts the image in the direction corresponding to a mirror image of a door mirror. The rearward image that can be sensitively, easily and visually recognized by a driver can be provided. A forward image or the sideward image is properly switched as required. When a part of the image picked up by the camera is cut out, images showing the range of the visual field of the cut out image are synthesized and displayed in a display device.

Abstract: A fuel filler pipe interconnecting a fuel tank and canister, and a fuel supply port of an automobile includes a fuel filler pipe body having an upper end and a circulation tube and an air vent tube each of which has an end communicating with the upper end of the fuel filler pipe body. Each of the filler pipe body, circulation tube and air vent tube includes a clad tube made of an aluminum and having a double-layer structure including a core made of an aluminum alloy and a outer cladding layer made of an aluminum alloy and having an effect of sacrificial anode for the core.

Abstract: A wafer dividing method for dividing a wafer along a first set of plural streets extending parallel to each other, and a second set of plural streets extending parallel to each other and extending perpendicularly to the first set of the streets, the wafer having a plurality of rectangular regions defined on the face thereof by these streets. The wafer dividing method includes a groove forming step of forming grooves along the streets on the face of the wafer, and a grinding step of grinding the back of the wafer after the groove forming step. The grooves formed by the groove forming step include grooves having a first depth D1, and grooves having a second depth D2 which is greater than the first depth D1 (D2>D1).

Abstract: A circuit board is accommodated in a camera-housing and a connector housing portion formed integrally with the camera housing. An interior wiring has its one end connected to the circuit board and the other end connected to a connector terminal in a pressing state. The connector terminal is accommodated to be held in the camera housing, so that an external connecting connector portion is formed. An external connector located at an external harness is connected to the external connecting connector portion, so that a vehicle mounting camera apparatus is connected to an external apparatus through an external harness.

Abstract: A fuel filler pipe interconnecting a fuel tank and canister, and a fuel supply port of an automobile includes a fuel filler pipe body having an upper end and a circulation tube and an air vent tube each of which has an end communicating with the upper end of the fuel filler pipe body. Each of the filler pipe body, circulation tube and air vent tube includes a clad tube made of an aluminum and having a double-layer structure including a core made of an aluminum alloy and a outer cladding layer made of an aluminum alloy and having an effect of sacrificial anode for the core.

Abstract: Since a nut 45 is provided with paths for connecting rolling paths 23b, 45f and circulating paths 45c, that is, return paths 45d at end caps 45b, 45b attached to both ends of a main body 45a, a receiving portion for receiving power transmitted from an electric motor 35, that is, a driven gear portions 45e is provided at a center of an outer peripheral face on outer sides in a radius direction of the rolling paths and therefore, when power is transmitted from the electric motor 35 to the driven gear portion 45e, smooth operation can be carried out by restraining the nut 45 from being twisted.

Abstract: An electric power steering apparatus comprises a ball nut rotationally driven by an electric motor through a gear train and having a female thread groove formed in the inner periphery thereof, a rack shaft disposed through the ball nut on the axis thereof and having a male thread groove so formed in its outer periphery as to face to the female thread groove, a ball screw mechanism having a number of circulation balls interposed between the female thread groove and the male thread groove, and a housing for holding the ball nut rotatably through the bearing. An elastic member is interposed between the housing and the ball nut in order to permit the ball nut to make a predetermined displacement.