Abstract:
A direct image-recording device in which a predetermined gap set between an image carrier and a hole forming member can be maintained, and an image forming apparatus provided with the direct image-recording device. In the direct image-recording device including: housing that accommodates an agent; an agent carrier that is rotatably supported by the housing and faces outside from an opening formed in the housing; a sheet-like hole forming member having a plurality of holes formed therein and facing the agent carrier at a predetermined distance therefrom; and a plurality of electrodes, by which the agent flies, provided at the hole forming member correspondingly to each of the plurality of holes and form an electric field causing the agent to fly selectively from the agent carrier toward the hole, a positioning member is provided at the housing so as to cover the agent carrier, the positioning member being configured to hold the hole forming member along the axial direction of the agent carrier by a side wall of the positioning member that has open portions formed in locations at least opposing the plurality of holes formed in the hole forming member, and configured to position the holes relative to the agent carrier so that the relative positions of the agent carrier and the holes are in a predetermined positional relationship.
Abstract:
In the transplant of a living organism tissue, such as a heart valve, taken from an animal, etc. into a human body, a cell removing solution for removing original cells from the living organism tissue is provided with flow approximately equal to the bloodstream of transplant recipient living body, and the living organism tissue is placed in the flow so as to effect immersion of the living organism tissue in the cell removing solution. In the immersion, it is preferred that the living organism tissue placed in the cell removing solution, while being rotated, be irradiated with microwave. As a result, original cells can be removed from the living organism tissue uniformly and reliably, so that the biocompatibility of living organism tissue after transplant can be enhanced.
Abstract:
An optical scanning system includes a light source, a coupling lens, a polygon mirror, an f.theta. lens, and a barrel toroidal lens. The barrel toroidal lens includes a barrel toroidal surface in which the radius of curvature thereof measured in the sub-scanning direction decreases with an increased distance from the optical axis of the barrel toroidal lens in a direction parallel to the main scanning direction.
Abstract:
To provide a steel pipe as a fuel injection pipe with high material strength, high internal pressure limit free from fatigue failure, prolonged fatigue life, and high reliability. A steel pipe as a fuel injection pipe of 500 N/mm2 or higher tensile strength comprising, by mass, C: 0.12 to 0.27%, Si: 0.05 to 0.40%, and Mn: 0.8 to 2.0%, and the balance being Fe and impurities, the contents of Ca, P, and S in the impurities being Ca: 0.001% or less, P: 0.02% or less, and S: 0.01% or less, respectively, characterized in that the maximum diameter of nonmetallic inclusions present in at least in a region extending from the inner surface of the steel pipe to a depth of 20 μm is 20 μm or less. Further, this steel pipe may contain, in place of a portion of Fe, at least one selected from among Cr: 1% or less, Mo: 1% or less, Ti: 0.04% or less, Nb: 0.04% or less, and V: 0.1% or less.
Abstract translation:提供具有高材料强度的钢管作为燃料喷射管,没有疲劳破坏的高内压极限,延长的疲劳寿命和高可靠性。 作为500N / mm 2以上的拉伸强度的燃料喷射管的钢管,以质量计C:0.12〜0.27%,Si:0.05〜0.40%,Mn:0.8〜2.0%,余量为Fe, 杂质中Ca,P,S的含量分别为Ca:0.001%以下,P:0.02%以下,S:0.01%以下,其特征在于,非金属夹杂物的最大直径存在于 至少在从钢管的内表面延伸到20μm的深度的区域中,为20μm以下。 此外,该钢管可以含有选自Cr:1%以下,Mo:1%以下,Ti:0.04%以下,Nb:0.04%以下的至少一种,代替Fe的一部分, V:0.1%以下。
Abstract:
A wafer polishing apparatus increases the polishing uniformity by adjusting an abutting pressure of a retainer ting to an optimum value. A wafer holding head 32 of this apparatus has a head body 34, a carrier 46 provided within the head body 34, a retainer ring 50 arranged on the outer periphery of the carrier 46, a diaphragm 44 for pressing the carrier 46, a ring-shaped tube 54 which is made of an elastic material and mounted between the head body 34 and the retainer ring 50, and a second pressure regulating mechanism 60 for regulating a pressure of a fluid filled within the tube 54.
Abstract:
An optical scanning apparatus includes: a light source for emitting a laser light ray; a cylinder lens for converting the laser light ray into a first convergent light ray that converges only in a sub-scanning direction and remains unchanged in a main scanning direction; a deflection unit for deflecting the first convergent light ray from the cylinder lens; a focusing unit for converting the deflected light ray into a second convergent light ray that converges in the main scanning direction, and for focusing the second convergent light ray on a scanned surface as a light spot; an aperture unit, arranged between the light source and the deflection unit, for blocking an outer peripheral portion of the laser light ray and for restricting a width of the laser light ray in the sub-scanning direction to a first width of an aperture of the aperture unit; and an adjusting unit for adjusting the first width of the aperture of the aperture unit so as to eliminate a deviation of the diameter of the light spot on the scanned surface from a design value.
Abstract:
In an optical scanner, a light beam deflected by an optical deflector is reflected on a reflective image forming element and is converged as a light spot onto a scanned face through an elongated lens to perform an optical scanning operation. The reflective image forming element is formed by a plastic material and has a function for approximately converging the deflected light beam onto the scanned face with respect to a main scan-corresponding direction. The reflective image forming element also has a function for approximately moving the light spot at an equal speed. The elongated lens is formed by plastic and has a function for converging the deflected light beam onto the scanned face with respect to a cross scan-corresponding direction in cooperation with the reflective image forming element. The elongated lens also has negative refracting power with respect to the main scan-corresponding direction. In this optical scanner, the influence of a change in temperature on optical scanning characteristics can be reduced.
Abstract:
A truing apparatus for a wafer polishing pad is provided which is capable of obtaining a sufficient truing effect while keeping the polishing amount of a polishing pad to a maximum. The truing apparatus includes a truing grinding wheel having an abrasive grain layer having ultra-abrasive grains electrodeposited thereon, a support arm for rotatably supporting the truing grinding wheel by bringing the polishing surface of an electrodeposition abrasive grain layer into abutment with the polishing pad, a grinding wheel rotary motor for rotating the grinding wheel, a self-aligning bearing disposed between a grinding wheel support plate and a grinding wheel rotation shaft, and pure water supply means for supplying pure water from the inside of the truing grinding wheel. The outer diameter of the grinding wheel is greater than the outer diameter of the wafers W, and the polishing surface of the grinding wheel is brought into abutment with the polishing pad over the overall width of one circumferential portion of a wafer polishing area. The grain size of the ultra-abrasive grains is preferably set at #60 to #230.
Abstract:
To provide a steel pipe as a fuel injection pipe with high material strength, high internal pressure limit free from fatigue failure, prolonged fatigue life, and high reliability. A steel pipe as a fuel injection pipe of 500 N/mm2 or higher tensile strength comprising, by mass, C: 0.12 to 0.27%, Si: 0.05 to 0.40%, and Mn: 0.8 to 2.0%, and the balance being Fe and impurities, the contents of Ca, P, and S in the impurities being Ca: 0.001% or less, P: 0.02% or less, and S: 0.01% or less, respectively, characterized in that the maximum diameter of nonmetallic inclusions present in at least in a region extending from the inner surface of the steel pipe to a depth of 20 μm is 20 μm or less. Further, this steel pipe may contain, in place of a portion of Fe, at least one selected from among Cr: 1% or less, Mo: 1% or less, Ti: 0.04% or less, Nb: 0.04% or less, and V: 0.1% or less.
Abstract translation:提供具有高材料强度的钢管作为燃料喷射管,没有疲劳破坏的高内压极限,延长的疲劳寿命和高可靠性。 作为500N / mm 2以上的拉伸强度的燃料喷射管的钢管,以质量计C:0.12〜0.27%,Si:0.05〜0.40%,Mn:0.8〜2.0%,余量为Fe, 杂质中Ca,P,S的含量分别为Ca:0.001%以下,P:0.02%以下,S:0.01%以下,其特征在于,非金属夹杂物的最大直径存在于 至少在从钢管的内表面延伸到20μm的深度的区域中,为20μm以下。 此外,该钢管可以含有选自Cr:1%以下,Mo:1%以下,Ti:0.04%以下,Nb:0.04%以下的至少一种,代替Fe的一部分, V:0.1%以下。
Abstract:
A direct image-recording device in which a predetermined gap set between an image carrier and a hole forming member can be maintained, and an image forming apparatus provided with the direct image-recording device. In the direct image-recording device including: housing that accommodates an agent; an agent carrier that is rotatably supported by the housing and faces outside from an opening formed in the housing; a sheet-like hole forming member having a plurality of holes formed therein and facing the agent carrier at a predetermined distance therefrom; and a plurality of electrodes, by which the agent flies, provided at the hole forming member correspondingly to each of the plurality of holes and form an electric field causing the agent to fly selectively from the agent carrier toward the hole, a positioning member is provided at the housing so as to cover the agent carrier, the positioning member being configured to hold the hole forming member along the axial direction of the agent carrier by a side wall of the positioning member that has open portions formed in locations at least opposing the plurality of holes formed in the hole forming member, and configured to position the holes relative to the agent carrier so that the relative positions of the agent carrier and the holes are in a predetermined positional relationship.