Abstract: A semiconductor device includes a substrate, a first source finger provided on the substrate, a first gate finger provided adjacent to the first source finger in a width direction of the first source finger, a second source finger having a width smaller than a width of the first source finger, a second gate finger provided adjacent to the second source finger in the width direction of the second source finger, a first source wiring connecting the first source finger to the second source finger, a first gate wiring sandwiching the second source finger between the first gate wiring and the second gate finger, a second gate wiring intersecting the first source wiring in a non-contact manner, and connecting the first gate wiring to the first gate finger, and a first drain finger sandwiching the first gate finger and the second gate finger between the first drain finger.

Abstract: According to one embodiment, a magnetic disk device includes a recording medium, a recording head including a main magnetic pole, a write shield magnetic pole, a coil, and a spin torque oscillator provided between the main magnetic pole and the write shield magnetic pole and a controller including a record current supply circuit and a drive current supply circuit. The controller executes a process of monitoring variation of a resistance value of the spin torque oscillator while increasing the record current in a state in which the spin torque oscillator is energized and detecting a record current value when the resistance value is increased most largely, and a process of setting the detected record current value to a lower limit of the record current supplied to the coil.

Abstract: According to one embodiment, a magnetic recording and reproducing device includes a perpendicular magnetic recording medium, a perpendicular magnetic recording head, a thermal assisted magnetic recording medium, and a thermal assisted magnetic recording head.

Abstract: A non-volatile memory circuit includes: a first memory including a plurality of cells that store values by respectively having elements whose states change physically due to application of a voltage from an exterior, a second memory including a plurality of cells that store values by respectively having the elements, a detector that, at a time of reading from the first memory, judges a value stored in each of the cells by comparing a threshold value and current values from the plurality of cells and a judging circuit supplying current of a predetermined current value to the detector as the threshold value.

Abstract: The present disclosure relates to pretreating a magnetic recording head for magnetic media drive. For a heat assisted magnetic recording (HAMR) head, a light source provides the necessary heat for the drive to operation. A vertical cavity surface emitting laser (VCSEL) is mounted to a top surface of a slider. A plurality of laser beams are emitted from the bottom surface of the VCSEL and directed to a corresponding number of waveguide structures within the HAMR head. The waveguide structures feed into a multimode interference (MMI) device that then directs the laser into a single waveguide for focusing on a near field transducer (NFT). The VCSEL lasers are phase coherent and have no mode hopping.

Abstract: The present invention is provided with: a command acquisition unit that acquires a command related to operation of electronic data; a remote control unit that establishes a remotely controllable communication path with an execution environment in which the operation of the electronic data is to be executed, and transmits an execution instruction for executing the operation of the electronic data on the execution environment to the execution environment via the remotely controllable communication path; a data transmission unit that transmits the electronic data or the electronic data converted based on a predetermined algorithm to the execution environment; an execution history storage unit that stores the electronic data or the electronic data converted based on the predetermined algorithm for a predetermined period; and a malware detection unit that scans the electronic data stored or the electronic data converted based on the predetermined algorithm in the execution history storing unit to detect malware.

Abstract: The present disclosure relates to pretreating a magnetic recording head for magnetic media drive. For a heat assisted magnetic recording (HAMR) head, a light source provides the necessary heat for the drive to operation. A vertical cavity surface emitting laser (VCSEL) is mounted to a top surface of a slider. A plurality of laser beams are emitted from the bottom surface of the VCSEL and directed to a corresponding number of waveguide structures within the HAMR head. The waveguide structures feed into a multimode interference (MMI) device that then directs the laser into a single waveguide for focusing on a near field transducer (NFT). The VCSEL lasers are phase coherent and have no mode hopping.

Abstract: The present disclosure relates to pretreating a magnetic recording head for magnetic media drive. For a heat assisted magnetic recording (HAMR) head, a light source provides the necessary heat for the drive to operation. A vertical cavity surface emitting laser (VCSEL) is mounted to a top surface of a slider. A plurality of laser beams are emitted from the bottom surface of the VCSEL and directed to a corresponding number of waveguide structures within the HAMR head. The waveguide structures feed into a multimode interference (MMI) device that then directs the laser into a single waveguide for focusing on a near field transducer (NFT). The VCSEL lasers are phase coherent and have no mode hopping.

Abstract: With the object of providing a battery mounting structure and working machine which can improve the degrees of freedom in layout of constituent components including a battery, without restrictions in the mounting direction of the battery, it is configured to include a placement member provided at an upper part of an electrical component, a battery which is provided detachably to the placement member and drives the electrical component, and a connection member which extends from the electrical component towards the battery and can electrically connect the electrical component and the battery.

Abstract: A work machine includes a control unit that starts cruise control that continues a travel ON mode of the travel unit even if travel levers, functioning as a travel operator, are in a state corresponding to a travel OFF mode. As a result, work is enabled to be performed at constant travel speed with ease.

Abstract: A heat-assisted magnetic recording (HAMR) head has a gas-bearing slider that supports a near-field transducer (NFT) and a main magnetic pole. First heat-sink material is located on the cross-track sides of the main pole and second heat-sink material is located on the cross-track sides of the waveguide. The second heat-sink material may be in contact with the first heat-sink material, and a thermal shunt of high thermal conductivity may interconnect the NFT with the first and second heat-sink material. Heat from the NFT output tip flows to the second heat sink material through the NFT and the thermal shunt. Optically reflective material may be located between the waveguide and the second heat-sink material to improve the optical efficiency of the NFT.

Abstract: According to one embodiment, a magnetic recording and reproducing device includes a perpendicular magnetic recording medium, a perpendicular magnetic recording head, a thermal assisted magnetic recording medium, and a thermal assisted magnetic recording head.

Abstract: The present disclosure relates to pretreating a magnetic recording head for magnetic media drive. For a heat assisted magnetic recording (HAMR) head, a light source provides the necessary heat for the drive to operation. A vertical cavity surface emitting laser (VCSEL) is mounted to a top surface of a slider. A plurality of laser beams are emitted from the bottom surface of the VCSEL and directed to a corresponding number of waveguide structures within the HAMR head. The waveguide structures feed into a multimode interference (MMI) device that then directs the laser into a single waveguide for focusing on a near field transducer (NFT). The VCSEL lasers are phase coherent and have no mode hopping.

Abstract: A non-oriented electrical steel sheet has a predetermined chemical composition, and when an average value of Mn concentrations in a range from a surface of a base iron to a position where a depth from the surface of the base iron is 2 ?m is set to [Mn2], and an Mn concentration at a position where a depth from the surface of the base iron is 10 ?m is set to [Mn10], the base iron satisfies the following expression 1. 0.1?[Mn2]/[Mn10]?0.

Abstract: An OCT system includes an OCT optical system and a reference attachment. The OCT optical system has a beam splitter for splitting light into a measurement optical path and a reference optical path, a photodetector, a first waveguide, a second waveguide, and first connectors provided at end portions of the first waveguide and the second waveguide respectively for indirectly or directly connecting the first waveguide and the second waveguide. The reference attachment has a third waveguide, and second connectors formed at both ends of the third wave guide and configured to be attachable to and detachable from the first connector, and is attached to and detached from the OCT optical system h attaching and detaching each of the second connectors to and from the first connector to change an optical path length of the reference optical path.

Abstract: A communication device includes a communication part capable of communicating with a network device via a relay device; and a control part controlling an operation of the communication part such that, in a case where communication of the communication part fails, when the relay device is not a device that performs a route search operation using a spanning tree protocol, the communication part resumes communication with the network device after a first time period has elapsed, and, when the relay device is a device that performs the route search operation, the communication part resumes communication with the network device after a second time period longer than the first time period has elapsed.

Abstract: A non-oriented electrical steel sheet includes, as a chemical composition, by mass %: C: 0.0015% to 0.0040%; Si: 3.5% to 4.5%; Al: 0.65% or less; Mn: 0.2% to 2.0%; Sn: 0% to 0.20%; Sb: 0% to 0.20%; P: 0.005% to 0.150%; S: 0.0001% to 0.0030%; Ti: 0.0030% or less; Nb: 0.0050% or less; Zr: 0.0030% or less; Mo: 0.030% or less; V: 0.0030% or less; N: 0.0010% to 0.0030%; O: 0.0010% to 0.0500%; Cu: less than 0.10%; Ni: less than 0.50%; and a remainder including Fe and impurities, in which a product sheet thickness is 0.10 mm to 0.30 mm, an average grain size is 10 ?m to 40 ?m, an iron loss W10/800 is 50 W/Kg or less, a tensile strength is 580 MPa to 700 MPa, and a yield ratio is 0.82 or more.

Abstract: A heat-assisted magnetic recording (HAMR) head has a gas-bearing slider that supports a a main magnetic pole, a near-field transducer (NFT) and a waveguide optically coupled to the NFT. Optically reflective side shields are located adjacent the cross-track sides of the waveguide at the slider's gas-bearing surface (GBS). The side shields may also be located adjacent the cross-track sides of the NFT and extend in the along-the-track direction to the write head's magnetic return pole. The cross-track gap width between a portion of the side shields adjacent the NFT at the GBS may be different from the cross-track gap width between a portion of the side shields adjacent the waveguide end at the GBS.

Abstract: Provided is a pneumatic radial tire for an aircraft including a bead core, a radial carcass and a stiffener, the radial carcass including one or more turn-up plies and one or more down plies, wherein in tire axial direction cross-sectional view, when an intersection point of a virtual circle with a ply closest to a tire axial direction inner side of the stiffener among the plies intersecting with the virtual circle having a radius that is twice as large as a diameter D of the bead core from a center O of the bead core is a point A, an intersection point of the virtual circle with a ply closest to a tire axial direction outer side of the stiffener is a point B, and a midpoint between the point A and the point B is a reference point C, then a line segment OC connecting the center O of the bead core to the reference point C has an inclination angle ? of 17° or less to a tire radial direction line passing the center O of the bead core on the tire axial direction outer side.

Abstract: The present disclosure relates to pretreating a magnetic recording head for magnetic media drive. For a heat assisted magnetic recording (HAMR) head, a light source provides the necessary heat for the drive to operation. A vertical cavity surface emitting laser (VCSEL) is mounted to a top surface of a slider. A plurality of laser beams are emitted from the bottom surface of the VCSEL and directed to a corresponding number of waveguide structures within the HAMR head. The waveguide structures feed into a multimode interference (MMI) device that then directs the laser into a single waveguide for focusing on a near field transducer (NFT). The VCSEL lasers are phase coherent and have no mode hopping.