Abstract: A transparent ceramic for a magneto-optical element includes a paramagnetic garnet-type composite oxide represented by Formula (1) and containing terbium, lutetium, and aluminum; and 100 to 1,000 mass ppm of Si as a sintering aid, (Tb1-xLux)3Al5O12??(1) wherein 0.05?x?0.45. A magneto-optical element is an optical isolator that includes the transparent ceramic for a magneto-optical element as a Faraday rotator and a polarizer and an analyzer before and after the Faraday rotator on an optical axis and that is usable in a wavelength range of 0.9 to 1.1 ?m.

Abstract: A transparent ceramic material is manufactured by molding a source powder into a compact, the source powder comprising a rare earth oxide consisting of at least 40 mol % of terbium oxide and the balance of another rare earth oxide, and a sintering aid, sintering the compact at a temperature T (1,300° C.?T?1,650° C.) by heating from room temperature to T1 (1200° C.?T1?T) at a rate of at least 100° C./h, and optionally heating from T1 at a rate of 1-95° C./h, and HIP treating the sintered compact at 1,300-1,650° C. The ceramic material has improved diffuse transmittance in the visible region and functions as a magneto-optical part in a broad visible to NIR region.

Abstract: The paramagnetic garnet-type transparent ceramic a sintered object of a composite oxide represented by formula (1), (Tb1?x?yYxScy)3(Al1?zScz)5O12 (0.05?x<0.4, 0?y<0.004, 0.6?1?x?y<0.95, 0?z<0.004, and 0.001<y+z<0.005), which contains SiO2 as a sintering aid in an amount larger than 0 mass % but not larger than 0.1 mass %, and having an average sinter-grain diameter of 5 ?m or larger. The transparent ceramic has a total light transmittance of 84.0% or greater and a forward scatter of 0.5% or less at an optical path length of 25 mm and a wavelength of 1,064 nm and has a total light transmittance of 84.0% or greater and a forward scatter of 0.5% or less at an optical path length of 25 mm and a wavelength of 1,300 nm. In the formula (1).

Abstract: A feeder magazine includes a ceiling portion, a bottom portion, and a back portion. Multiple support grooves are formed in the ceiling portion so as to extend in parallel to each other from an opening portion toward the back portion, and into which upper end portions of the feeders are detachably inserted. A flat surface is formed on the bottom portion so as to face the multiple support grooves of the ceiling portion, and multiple positioning portions that are disposed in the bottom portion respectively correspond to the multiple support grooves on an opening portion side of the flat surface and respectively engage with engaging portions formed on lower end portions of the feeders as the feeders are pushed from the opening portion toward the back portion.

Abstract: A method of producing a culture solution for human or animal cell culture includes bringing an iron supply source including an iron-containing section and a plating layer provided thereon into contact with an aqueous medium to supply iron from the iron supply source to the aqueous medium.

Abstract: A tape guide includes a guide section configured to guide a carrier tape, a component exposing section configured to open a cover tape to expose an electronic component in a component storage section during conveyance of the carrier tape guided by the guide section, a tongue portion provided on the component exposing section and configured such that a distal end portion is movable between a first height position at which the distal end portion enters between a base tape and the cover tape and a second height position higher than the first height position, a pressing section placed above the tongue portion to apply a pressing force to the tongue portion to cause the tongue portion to move downward, and a stepped portion provided on a facing surface on which the tongue portion and the pressing section face each other.

Abstract: A tape feeder that feeds a carrier tape constituted of a bottom tape accommodating multiple components and a cover tape adhered to the bottom tape to supply the components includes a peeling section configured to peel the cover tape from the bottom tape at a position in front of a supply position of the component, a tension applying section configured to pull the cover tape into a predetermined location by driving a motor to collect the cover tape peeled from the bottom tape, and a holding section configured to hold the cover tape between the peeling section and the tension applying section when a power supply of the tape feeder is turned off and to release the holding of the cover tape when the power supply of the tape feeder is turned on.

Abstract: A feeder of the present disclosure includes a feeder main body configured to feed a tape in which a component is accommodated to a predetermined position, and a reel holder attached to an upstream side of the feeder main body in a feeding direction of the tape and configured to hold a reel on which the tape is wound, in which the reel holder includes a holder main body configured to hold the reel, a slider that is integrated with the holder main body, and a tape pressing member that is integrated with the slider and is capable of pressing the tape fed from the reel toward the feeder main body from an upper side.

Abstract: A feeder of the present disclosure includes a feeder main body configured to feed a tape in which a component is accommodated to a predetermined position; and a reel holder attached to an upstream side of the feeder main body in a feeding direction of the tape and configured to hold a reel on which the tape is wound. The reel holder is swingably attached to the feeder main body in an axial direction of the reel.

Abstract: A sintered body of Tb-conitaining rare earth aluminum garnet represented by formula (1) (where 0 < x < 0.45, 0 < y ? 0.1, and 0.004 < z < 0.2), wherein: | a-b | ? 0.1 when at least 900 mn < ? < 1,100 nm, where, in terms of a total light transmittance spectrum on an optical path length of 24 mm, a% is the total light transmittance at the wavelength 900 mn and b% is the total light transmittance at any wavelength ? more to the long-wavelength side than 900 nm; and no thermal lensing effect is produced even with respect to a 100-W laser output, allowing for use as a Faraday rotator of a high-power fiber laser.

Abstract: A paramagnetic garnet-type transparent ceramic that exhibits a high laser damage threshold, said ceramic being a sintered body of a Tb-containing rare earth-aluminum garnet represented by formula (1), and being characterized in that the average sintered grain size is 10-40 ?m, and the insertion loss at a wavelength of 1,064 nm in the optically effective region along the length direction of a 20 mm-long sample is 0.05 dB or less. (Tb1-x-yYxScy)3(Al1-zScz)5O12??Formula (1) (In the formula, 0?x<0.45, 0?y<0.08, 0?z<0.2, and 0.001<y+z<0.20.

Abstract: Tape-feeder setting work apparatus (40), which is used when an operator performs a work of setting a component supply tape wound on tape reel (12), in tape feeder (10), includes feeder set base (41) configured to hold the tape feeder in the setting work of the component supply tape, power supply section (47) configured to supply a power to tape feeding device (29) inside the tape feeder, and operation section (51) configured to allow the operator to operate the tape feeding device inside the tape feeder. When a work of setting a tip portion of the component supply tape by pulling out the tip portion from the tape reel set in the tape feeder held by the feeder set base is performed, the operator operates the operation section of the tape-feeder setting work apparatus to operate a tape feeding operation of the tape feeding device inside the tape feeder, and feeds the tip portion of the component supply tape pulled out from the tape reel to a component pickup position of the tape feeder.

Abstract: To provide a bicycle hub unit and a bicycle wheel assembly that allow a wheel unit to be appropriately coupled to a hub body, a bicycle hub unit is coupled to a rotary body to which a brake is applied by a brake device. The bicycle hub unit includes a hub body that rotates around a hub axle and a rotary body coupling portion that couples the rotary body to the hub body. The hub body includes a first joint portion and a second joint portion. The first joint portion includes an external thread coupled to an internal thread of the wheel unit. The second joint portion is coupled to a restriction member that restricts relative rotation of the first joint portion and the wheel unit.

Abstract: A tape guide includes a guide section configured to guide a carrier tape, a component exposing section configured to open a cover tape to expose an electronic component in a component storage section during conveyance of the carrier tape guided by the guide section, a tongue portion provided on the component exposing section and configured such that a distal end portion is movable between a first height position at which the distal end portion enters between a base tape and the cover tape and a second height position higher than the first height position, a pressing section placed above the tongue portion to apply a pressing force to the tongue portion to cause the tongue portion to move downward, and a stepped portion provided on a facing surface on which the tongue portion and the pressing section face each other.

Abstract: A tilt structure allows the tilt of a console to be changed through simple motion and has a simple configuration. The tilt structure includes: a second frame attached to an upper portion of a first frame and is swingable upward and downward; and a control member attached to the second frame and is tiltable backward and forward through a tilting shaft. The control member includes a guide part with a groove housing a first frame pin. A locked and unlocked state switch to each other by causing the control member to tilt. The locked state includes a pin engaged with any of the engagement parts. The unlocked state includes the pin disengaged. The tilt of the second frame relative to the first frame is changed by engaging the pin with an arbitrary engagement part of any of the engagement parts and changing a distance between the tilting shaft and pin.

Abstract: A tape feeder that feeds a carrier tape constituted of a bottom tape accommodating multiple components and a cover tape adhered to the bottom tape to supply the components includes a peeling section configured to peel the cover tape from the bottom tape at a position in front of a supply position of the component, a tension applying section configured to pull the cover tape into a predetermined location by driving a motor to collect the cover tape peeled from the bottom tape, and a holding section configured to hold the cover tape between the peeling section and the tension applying section when a power supply of the tape feeder is turned off and to release the holding of the cover tape when the power supply of the tape feeder is turned on.

Abstract: A tape guide includes a guide section to guide the carrier tape, the carrier tape including the base tape provided with the component storage section for storing the electronic component and the cover tape provided on a surface of the base tape to close the component storage section, and a component exposing section having a tongue portion inserted between the base tape and the cover tape during conveyance of the carrier tape guided by the guide section to expose the electronic component in the component storage section. The tongue portion moves up and down so that a distal end portion of the tongue portion is movable between a first height position at which the distal end portion can enter between the base tape and the cover tape and a second height position higher than the first height position.

Abstract: To a co-precipitating aqueous solution, aqueous solutions containing (a) Tb ions, (b) at least one other rare earth ions selected from the group consisting of Y ions and lanthanoid rare earth ions (excluding Tb ions), (c) Al ions and (d) Sc ions are added; the resulting solution is stirred at a liquid temperature of 50° C. or less to induce a co-precipitate of the components (a), (b), (c) and (d); the co-precipitate is filtered, heated and dehydrated; and the co-precipitate is fired thereafter at from 1,000° C. to 1,300° C., thereby forming a sinterable garnet-type complex oxide powder.

Abstract: A method produces transparent ceramics having high transmittance and no bubble defects with uniform insertion loss over the entire inner surface thereof. The method comprising the steps of: obtaining a candidate composition containing a binder, optionally a dispersant, and optionally a plasticizer; dissolving the candidate composition in a solvent, then reducing a contained solvent volume to 0.1% by mass or less, and measuring a glass transition temperature; selecting a candidate composition having a glass transition temperature of 25° C. or more and 60° C.

Abstract: A transparent complex oxide sintered body is manufactured by sintering a compact in an inert atmosphere or vacuum, and HIP treating the sintered compact, provided that the compact is molded from a source powder based on a rare earth oxide: (TbxY1-x)2O3 wherein 0.4?x?0.6, and the compact, when heated in air from room temperature at a heating rate of 15° C./min, exhibits a weight gain of at least y % due to oxidative reaction, y being determined by the formula: y=2x+0.3. The sintered body has a long luminescent lifetime as a result of controlling the valence of Tb ion.