Abstract: A laser welded structure is formed by laser welding together a resin molded body formed from a thermoplastic polymer alloy containing a crystalline resin and an amorphous resin and a metal body made of a metal. A glass transition temperature of the amorphous resin is lower than a melting start temperature of the crystalline resin.

Abstract: A reticle unit equipped with an optical apparatus such as a riflescope includes: red and green light sources radiating red light and green light; a disc-like shaped reticle substrate that has a diffraction grating formed at substantially the center of a surface having substantially circular shape; and red and green mirror members converge light radiated from the red and green light sources, make incidence on the reticle substrate from corresponding side surface portions of the reticle substrate to illuminate the diffraction grating so as to emit first order diffracted light reflected and diffracted by the diffraction grating along a normal direction of the diffraction grating.

Abstract: A flow rate sensor includes: a housing made from a resin material and having a bottom base portion and a side wall, at least one surface side of the housing being open; a cover made from a resin material, covering the one surface side of the housing, welded to an upper surface of the side wall of the housing, and defining, with the bottom base portion and the side wall of the housing, an auxiliary passage within which a gas to be measured flows that is taken in from a main passage; and a flow rate detection unit disposed within the auxiliary passage. A protruding portion for height control is provided to one of the housing and the cover at least in a vicinity of the side wall around the flow rate detection unit so as to suppress sinking in of the cover during welding.

Abstract: A flow sensor includes an auxiliary channel having an opening into which a fluid to be measured is taken; a sensor element that measures the flow of the fluid to be measured; a housing that accommodates electronic parts; and a resin cover. The flow sensor is configured such that junctions of the housing and the cover are formed in locations where first target weld portions, which are formed so that the circuit chamber is surrounded, face each other and second target weld portions, which are disposed for additional reinforcement of the joints, face each other on a bonding face of the housing and a bonding face of the cover with a step being provided. The positioning of the housing and the cover is determined, and the first target weld portions are welded to each other and second target weld portions are welded to each other by way of laser radiation.

Abstract: According to one embodiment, a memory system is connectable to a host. The memory system includes a nonvolatile first memory, a volatile second memory and a controller. The nonvolatile first memory stores translation information. The translation information associates a logical address and a physical address. The volatile second memory stores location information. The location information associates a logical address and a location where the translation information is stored in the first memory. The controller saves a first memory image in the first memory at a first timing, and saves a second memory image in the first memory at a second timing different from the first timing. The first memory image is a part of a memory image of the location information. The second memory image is another part, different form the first memory image, of the memory image of the location information.

Abstract: Provided are a reticle unit that can secure excellent visibility of a reticle regardless of the background and an optical instrument including the reticle unit. A reticle unit 30 used in an optical instrument such as a rifle scope 50 includes: a reflector 32 provided with a concave portion 32b on one of surfaces of a plate-like optical member, wherein at least part of a side surface of the concave portion 32b is a reflection surface 32c; a light source 33 that is arranged laterally to the reflector 32 and that emits light; and a light collector 34 that is arranged between the light source 33 and the reflector 32 and that collects the light from the light source 33 to guide the light to the reflection surface 32c, wherein at least part of the light incident on the reflection surface 32c is totally reflected by the reflection surface 32c and emitted from the other surface of the reflector 32.

Abstract: A recording method including: emitting laser light from optical-fiber-array to record image of writing units with moving recording target and the optical fiber array relatively using recording device including laser light-emitting elements, and emitting unit including the optical-fiber-array, where optical fibers to guide laser light emitted from the laser light-emitting elements are aligned, wherein, where the laser light is applied from the optical fibers adjacent to each other in main-scanning direction to the recording target to record solid image of the writing units at least partially overlapped to each other in the main-scanning direction, recording is performed by reducing irradiation energy of the laser light for recording the writing units other than both edges of the solid image relative to the main-scanning direction, compared to irradiation energy of the laser light for recording the writing units present at the both edges of the solid image.

Abstract: A recording method including: emitting laser light from an optical fiber array to record an image formed of writing units with moving a recording target and the optical fiber array relatively using a recording device including a plurality of laser light-emitting elements and an emitting unit including the optical fiber array, in which a plurality of optical fibers configured to guide laser light emitted from the laser light-emitting elements are aligned, wherein a maximum length of the writing unit along a sub-scanning direction is controlled with set values of: a duty ratio and a cycle of a pulse signal input to the emitting unit; recording energy applied to the recording target; and a spot diameter of the laser light, to record with overlapping an edge of the writing unit with an edge of the adjacent writing unit in the sub-scanning direction.

Abstract: According to one embodiment, a memory system which is connectable to a host, the memory system includes a first memory as a nonvolatile memory storing information associated with an address translation between a logical address and a physical address, a second memory temporarily storing a part of the information at least, a first controller executing a read operation and a write operation of the information for the second memory in a first data unit, the first data unit being changeable and being a data size of one of regions obtained by dividing in a first address space, the part of the information at least stored in the first memory, and a second controller executing a read operation and a write operation of the information for the first memory in a second data unit different from the first data unit.

Abstract: A porous metal body is manufactured by which a flow rate of a fluid flowing in an axial direction and a radial direction of the porous metal body can be equalized in the circumferential direction of the porous metal body, and a strength of the porous metal body can be increased. The manufacturing can include at least a step of preparing an intermediary body made of a tubular wire mesh, a star-shaped polygonal body forming step of forming a star-shaped polygonal body by alternately forming, in a circumferential direction of the intermediary body, a plurality of protrusions protruding radially outwards and a plurality of recesses receding radially inwards, and a molding step of inserting the star-shaped polygonal body into a mold that restricts an inner peripheral side and an outer peripheral side of the star-shaped polygonal body and compressing the star-shaped polygonal body from one side in an axial direction of the star-shaped polygonal body.

Abstract: According to one embodiment, a memory system includes a nonvolatile first memory, a second memory, and a processor. The second memory includes a first cache area for caching in units of a data-unit. The processor transfers the first data and translation information for the first data into the first memory and performs garbage collection. The garbage collection includes first to third process. The first process is determining whether second data is valid or invalid on the basis of translation information for the second data. The second data is corresponding to the first data in the first memory. The second process is copying third data within the first memory. The third data is corresponding to the second data determined to be valid. The third process is updating translation information for the third data. The processor caches, in the first cache area, only a data-unit including translation information for the first process.

Abstract: Molded bodies formed from PA-12 resin lose elasticity by absorbing water and lose strength as a result. Due to this, application to only some products used in low humidity environments is possible, which is a problem that needed to be addressed. This resin powder material, for use in powder laminate molding methods, is characterized in that the resin powder is a polybutylene terephthalate resin which has a crystallization temperature lower than that of homopolybutylene terephthalate resins.

Abstract: A grain-oriented electrical steel sheet includes: a base steel sheet; a primary film formed on a surface of the base steel sheet; and a tension insulation coating formed on a surface of the primary film, in which a magnetic domain control is performed by irradiating the tension insulation coating with a laser from above. When a strip-like sample having a length of 300 mm in a direction parallel to a rolling direction of the grain-oriented electrical steel sheet and a length of 60 mm in a direction parallel to a transverse direction is extracted from the grain-oriented electrical steel sheet, a range from a surface of the tension insulation coating to a depth position of 5 ?m toward the base steel sheet side from an interface between the base steel sheet and the primary film is removed by pickling at least one surface of the sample, and a warpage amount of the sample is thereafter measured, the warpage amount satisfies predetermined conditions.

Abstract: A memory system includes a non-volatile memory and a controller circuit. The controller circuit is configured to carry out an atomic write operation in the non-volatile memory in response to an atomic write command, and selectively carry out one of a first operation and a second operation corresponding to address mapping between a logical address and a physical address of the non-volatile memory, along with the atomic write operation. When the first operation is selected, the controller circuit starts to update the address mapping after receiving a notification that writing of all data of the atomic write operation has been completed. When the second operation is carried out, the controller circuit starts to update the address mapping before receiving the notification.

Abstract: A silicon steel sheet (1) containing Si is cold-rolled. Next, a decarburization annealing (3) of the silicon steel sheet (1) is performed so as to cause a primary recrystallization. Next, the silicon steel sheet (1) is coiled so as to obtain a steel sheet coil (31). Next, an annealing (6) of the steel sheet coil (31) is performed through batch processing so as to cause a secondary recrystallization. Next, the steel sheet coil (31) is uncoiled and flattened. Between the cold-rolling and the obtaining the steel sheet coil (31), a laser beam is irradiated a plurality of times at predetermined intervals on a surface of the silicon steel sheet (1) from one end to the other end of the silicon steel sheet (1) along a sheet width direction (2). When the secondary recrystallization is caused, grain boundaries passing from a front surface to a rear surface of the silicon steel sheet (1) along paths of the laser beams are generated.

Abstract: According to one embodiment, a memory system is connectable to a host. The memory system includes a first memory including a cache area, and a memory controller. The memory controller sets the available amount of the cache area in response to a first command from the host. In a case where the available amount of the cache area is successfully set, the memory controller transmits a setting completion notification to the host. In a case where the available amount of the cache area cannot be set, the memory controller transmits a notification of non-settable to the host.

Abstract: Provided is a method capable of enhancing the quality (interlaminar strength, void reduction) of a lamination shaped article and using a high-heat resistant resin, and which has low cost and good quality and does not use a process window, and enhances release properties of a support. A laser powder shaping method for fabricating a lamination shaped article, the method having a step for providing a powder material as a thin layer and a laser irradiating step for irradiating the provided powder material with a laser and thereby sintering or melting the powder material, the laser powder shaping method characterized by having a step for performing a surface modification treatment for generating or increasing the number of oxygen functional groups in a region irradiated by the laser before or after the step for providing the powder material, or before or after the laser irradiation step.

Abstract: A mark position detection unit includes an illumination unit which illuminates an identification mark provided on a leaf with detection light, and a detection unit which detects a light emitted from the identification mark which is illuminated with the detection light. The illumination unit includes a light source which emits the detection light. The detection unit includes a polarizing filter which filters the light emitted from the identification mark and an imaging device which detects a transmitted light filtered by the polarizing filter.

Abstract: A multi-leaf collimator includes a plurality of leaves aligned in a thickness direction of the leaf, a driving device which advances and retracts the leaves with respect to radiation (Sr), and an identification mark identifiable at least from a direction perpendicular to both the advancing and retracting direction of the leaves and the thickness direction of the leaf to detect positions of the leaves, wherein, when the plurality of leaves are disposed in a preset reference position (P), gaps (d2) between adjacent identification marks in the thickness direction are formed to be larger than gaps (d1) between adjacent leaves in the thickness direction.

Abstract: Provided is a telescope (TSC) having: an objective optical system (OB); an erecting optical system (PR) for erecting an image formed by the Objective optical system (OB); and an eyepiece optical system (EP) for observing the image which is formed by the Objective optical system (0B) and erected by the erecting optical system (PR). The objective optical system (OB) includes, in order from an object, a first lens group (G1) having positive or negative refractive power, a second lens group (G2) having positive refractive power, and a third lens group (G3) having negative refractive power. The second lens group (G2) and the third lens group (G3) rotate together around a point (O) on the optical axis of the Objective optical system (OB) in order to correct the image.