Abstract: Disclosed are a separator for lipid bilayer membrane formation capable of forming a lipid bilayer membrane with excellent properties, wherein the separator for lipid bilayer membrane formation has sufficient mechanical strength and can be easily manufactured in a large scale by using a general-purpose machine without need of using an expensive machine, and a method of producing the separator. The separator for lipid bilayer membrane formation includes a thin film having one or more through holes and made of a resin capable of being wet-etched, and reinforcing layers covering both surfaces of the thin film and made of a resin capable of being wet-etched. The reinforcing layers cover the whole area of the thin film, except for the through holes and the peripheries thereof, and each through hole has a tapered cross-sectional shape.

Abstract: An optical fiber preform including a glass material and a refractive index adjusting additive is disclosed. This preform has striae due to difference in concentration of the additive and the striae have concentric refractive index periodicity in at least a part thereof from a radial center of the preform to an outer periphery thereof. The respective striae pitches each indicating a period of the refractive index periodicity increase from the center of the preform to the outer periphery thereof.

Abstract: Provided is a glass fine particle deposit in which a pH of glass fine particles on a surface of the glass fine particle deposit is 5.5 or more and less than 8.5, in which a color difference ?E*ab with respect to a white calibration plate when the surface of the glass fine particle deposit is measured by the SCI method using a spectrophotometer is 0.5 or more and less than 5. Provided is a method for manufacturing a glass preform including: manufacturing a transparent glass preform by heating a glass fine particle deposit in which a pH of glass fine particles on a surface of the glass fine particle deposit is 5.5 or more and less than 8.5; and measuring the surface of the deposit by the SCI method using a spectrophotometer and determining whether a color difference ?E*ab with respect to a white calibration plate is 5 or more.

Abstract: A method for manufacturing a glass fine particle deposit includes: emitting a siloxane gas, a carrier gas, and a combustion gas from a burner; setting volume concentration of a supply volume amount of the siloxane gas per unit time with respect to the sum of the supply volume amount of the siloxane gas per unit time and a supply volume amount of the carrier gas per unit time (C1) to 10.6 volume %<C1<20.0 volume %; and setting volume concentration of the supply volume amount of the siloxane gas per unit time with respect to the sum of the supply volume amount of the siloxane gas per unit time, the supply volume amount of the carrier gas per unit time, and a supply volume amount of the seal gas per unit time (C2) to 5.8 volume %<C2<10.0 volume %.

Abstract: A method for producing a glass particulate deposit, said method comprising using siloxane as a raw material for glass, discharging the siloxane gasified in a vaporizer and a combustion gas from a burner and combusting, and thus forming a glass particulate deposit in a reaction vessel, wherein: after producing a good section of the glass particulate deposit, the supply of the siloxane that is the raw material for glass to the burner is ceased while continuously supplying the combustion gas to the burner; then the glass particulate deposit is taken out from the reaction vessel; a raw material gas port from the vaporizer to the burner is purged by flowing an inert gas therethrough; and, when a color derived from the combustion of the siloxane gas is not observed any more in the flame of the burner, then the supply of the combustion gas is ceased.

Abstract: A method for manufacturing a glass preform, the method having: a depositing step for installing a starting rod and a burner for generating glass fine particles in a reaction container, introducing a siloxane as a glass raw material to the burner, oxidizing the glass raw material in a flame formed by the burner and generating glass fine particles, depositing the generated glass fine particles on the starting rod and fabricating a glass fine particle deposited body; and a transparentizing step for heating the glass fine particle deposited body and manufacturing a transparent glass preform, wherein, after the depositing step, the transparentizing step is performed after the glass fine particle deposited body is heated for a time range of one to eight hours in an oxygen-containing atmosphere at a temperature lower than the temperature of the transparentizing step.

Abstract: Disclosed are a separator for lipid bilayer membrane formation capable of forming a lipid bilayer membrane with excellent properties, wherein the separator for lipid bilayer membrane formation has sufficient mechanical strength and can be easily manufactured in a large scale by using a general-purpose machine without need of using an expensive machine, and a method of producing the separator. The separator for lipid bilayer membrane formation includes a thin film having one or more through holes and made of a resin capable of being wet-etched, and reinforcing layers covering both surfaces of the thin film and made of a resin capable of being wet-etched. The reinforcing layers cover the whole area of the thin film, except for the through holes and the peripheries thereof, and each through hole has a tapered cross-sectional shape.

Abstract: Provided is a method for producing a glass particulate deposit, the method including disposing at least one burner at a position facing a rod that rotates around an axis, and spraying glass particulates generated in the flame from the burner to the rod while relatively reciprocating the rod and the burner in the axis direction of the rod, to deposit glass particulates, wherein the relation of 0.1 W?V/R?1.0 W is satisfied, where W mm represents the luminance width of the flame of the glass raw material, R rotations/min represents the rotational speed of the rod, and V mm/min represents the speed of the reciprocation.

Abstract: An optical fiber preform including a glass material and a refractive index adjusting additive is disclosed. This preform has striae due to difference in concentration of the additive and the striae have concentric refractive index periodicity in at least a part thereof from a radial center of the preform to an outer periphery thereof. The respective striae pitches each indicating a period of the refractive index periodicity increase from the center of the preform to the outer periphery thereof.

Abstract: A method for producing a glass fine particle deposit is provided, which arranges a glass synthesis burner and a starting rod in a reaction vessel, and relatively reciprocates the starting rod in an axial direction with respect to the glass synthesis burner so that glass fine particles synthesized by the glass synthesis burner are deposited on the starting rod, in which, as a diameter of the glass fine particle deposit increases, while relatively retracting the glass synthesis burner from the glass fine particle deposit, the method shortens a distance between the glass fine particle deposit and the glass synthesis burner at an end of deposition from that at a start of deposition.

Abstract: Provided is a sliding device that allows two release levers to operate in a synchronous manner. The sliding device includes a lock portion that is displaceable between a locking position and a non-locking position; a release lever configured to be displaced by an operating force; an operation portion provided at a first end of the release lever in an extending direction thereof to receive the operating force; an action portion provided at a second end of the release lever in the extending direction thereof to transmit the operating force to the lock portion via the release lever; and an operating lever provided to the movable rail and displaceable between an operating position to apply the operating force to the operation portion and a non-operating position to apply no operating force to the operation portion.

Abstract: Provided is a sliding device that allows two release levers to operate in a synchronous manner. The sliding device includes a lock portion that is displaceable between a locking position and a non-locking position; a release lever configured to be displaced by an operating force; an operation portion provided at a first end of the release lever in an extending direction thereof to receive the operating force; an action portion provided at a second end of the release lever in the extending direction thereof to transmit the operating force to the lock portion via the release lever; and an operating lever provided to the movable rail and displaceable between an operating position to apply the operating force to the operation portion and a non-operating position to apply no operating force to the operation portion.

Abstract: An apparatus includes a susceptor and a protective pipe. A gas containing 50% or more of argon or nitrogen is used as a gas to be supplied into the susceptor. The protective pipe has a heat insulating region (17a) enclosed with a heat insulator (18) with a length of Db (mm) at the upper section thereof and a non-heat insulating region (17b) not enclosed with any heat insulators at the lower section thereof. The temperature of the glass fiber at the outlet of the protective pipe becomes 1700° C. or less. The outer diameter of the glass fiber at the outlet of the protective pipe is within a range of the target outer diameter of the glass fiber+6 ?m or less.

Abstract: The present invention provides a glass preform heating furnace in which the occurrence of arching is suppressed. The glass preform heating furnace is equipped with a susceptor (3); a slit heater (4); an insulator; and a furnace body, wherein, in the case that the space between the slit heater (4) and the susceptor or between the slit heater (4) and the conductive member closest to the slit heater is D, that the maximum value of the electric field in this space is E1, that the number of the slits in the slit heater is N, that the slit width of the slit heater is S, and that the maximum value of the electric field in the slit space is E2, the values of D, N and S are set so that E1?E2 is established.

Abstract: An apparatus includes a susceptor and a protective pipe. A gas containing 50% or more of argon or nitrogen is used as a gas to be supplied into the susceptor. The protective pipe has a heat insulating region (17a) enclosed with a heat insulator (18) with a length of Db (mm) at the upper section thereof and a non-heat insulating region (17b) not enclosed with any heat insulators at the lower section thereof. The temperature of the glass fiber at the outlet of the protective pipe becomes 1700° C. or less. The outer diameter of the glass fiber at the outlet of the protective pipe is within a range of the target outer diameter of the glass fiber+6 ?m or less.

Abstract: The present invention provides a glass preform heating furnace in which the occurrence of arching is suppressed. The glass preform heating furnace is equipped with a susceptor (3); a slit heater (4); an insulator; and a furnace body, wherein, in the case that the space between the slit heater (4) and the susceptor or between the slit heater (4) and the conductive member closest to the slit heater is D, that the maximum value of the electric field in this space is E1, that the number of the slits in the slit heater is N, that the slit width of the slit heater is S, and that the maximum value of the electric field in the slit space is E2, the values of D, N and S are set so that E1?E2 is established.

Abstract: An antenna for receiving electromagnetic waves in a desired frequency band, includes a radiating conductor and a ground conductor, a feeder part, a wavelength-shortening section, and a magnetic field applying section. The radiating conductor and a ground conductor resonate at a resonance point frequency. The feeder part is configured to feed the radiating conductor with electricity. The wavelength-shortening section in which a magnetic body having both a dielectric property and a magnetic property is disposed close to the radiating conductor shifts the resonance point frequency into a band lower than the desired frequency band by a wavelength-shortening effect obtained based on the dielectric property and the magnetic property. The magnetic field applying section is configured to apply a magnetic field to the magnetic body so as to reduce a magnetic loss due to the magnetic body.

Abstract: A seat slide device includes a handle rotatably supported in holding holes provided respectively at a pair of upper rails to rotate a radial projection portion for releasing a lock mechanism, and a bearing member having an outer edge portion disposed between the upper rail and the radial projection portion formed at the handle, a holding portion disposed between the upper rail and the outer periphery of the handle, and a cushioning portion allowing the handle to move in an axial direction. The bearing member is disposed to fit into the holding hole for supporting the handle.

Abstract: A seat sliding apparatus for a vehicle includes a lower rail fixed to a vehicle floor, an upper rail fixed to a vehicle seat, rolling engagement members disposed between the lower rail and the upper rail for making the upper rail to be movable relative to the lower rail in a longitudinal direction thereof, and two retainers arranged between the lower rail and the upper rail along a longitudinal direction thereof and each including a notch. The rolling engagement members are rotatably held at a front end portion and a rear end portion of the retainer. In addition, the lower rail includes a first engagement projection engaging with front end and rear end surfaces of the notch in response to a sliding movement of the upper rail relative to the lower rail.

Abstract: In a seat sliding device having a lock mechanism disposed within an inner space defined by an upper rail and a lower rail, to tilt a lock lever from the inner space toward the outside of the rails, a torsion bar 40 is used as urging means for urging the lock lever 31 in the lock mechanism 30. When an operation lever 50 is in its inoperative state, the lock lever is urged by torsional force of the torsion bar in its locking direction, claws 32 are fitted into engaging holes 11a and 21a, from the inside of the lower rail 10 and upper rail 20 toward the outside of the rails, to be placed in its locking position. When the operation lever is operated, the lock lever is tilted against the torsional force of the torsion bar, the fitted state with the claws being fitted into the engaging holes of both rails is released, to make the upper rail movable relative to the lower rail.