Abstract: A high withstand voltage Schottky barrier diode includes a first layer that includes a first Ga2O3-based single crystal including a first Group IV element and Cl at a concentration of not more than 5×1016 cm?3 and that has an effective donor concentration of not less than 1×1013 and not more than 6.0×1017 cm?3, a second layer that includes a second Ga2O3-based single crystal including a second Group IV element and that has a higher effective donor concentration than the first layer and is laminated on the first layer, an anode electrode formed on the first layer, and a cathode electrode formed on the second layer.

Abstract: A grinder according to one aspect of the present disclosure includes a motor, a housing for housing the motor, a spindle protruding from the housing and configured to be driven to be rotated by the motor, a wheel cover configured to cover a part of a tip end tool attached to the spindle, a detector configured to detect the wheel cover, and a controller configured to stop or restrict the spindle being driven by the motor in response to non-detection of the wheel cover by the detector.

Abstract: A high withstand voltage Schottky barrier diode includes a first layer that includes a first Ga2O3-based single crystal including a first Group IV element and Cl at a concentration of not more than 5×1016 cm?3 and that has an effective donor concentration of not less than 1×1013 and not more than 6.0×1017 cm?3, a second layer that includes a second Ga2O3-based single crystal including a second Group IV element and that has a higher effective donor concentration than the first layer and is laminated on the first layer, an anode electrode formed on the first layer, and a cathode electrode formed on the second layer.

Abstract: A crystal laminate structure includes a Ga2O3-based substrate, and a ?-Ga2O3-based single crystal film formed by epitaxial crystal growth on a principal surface of the Ga2O3-based substrate. The ?-Ga2O3-based single crystal film includes Cl and a dopant doped in parallel with the crystal growth at a concentration of not less than 1×1013 atoms/cm3 and not more than 5.0×1020 atoms/cm3.

Abstract: A semiconductor element includes a high-resistivity substrate that includes a ?-Ga2O3-based single crystal including an acceptor impurity, a buffer layer on the high-resistivity substrate, the buffer layer including a ?-Ga2O3-based single crystal, and a channel layer on the buffer layer, the channel layer including a ?-Ga2O3-based single crystal including a donor impurity. A crystalline laminate structure includes a high-resistivity substrate that includes a ?-Ga2O3-based single crystal including an acceptor impurity, a buffer layer on the high-resistivity substrate, the buffer layer including a ?-Ga2O3-based single crystal, and a donor impurity-containing layer on the buffer layer, the donor impurity-containing layer including a ?-Ga2O3-based single crystal including a donor impurity.

Abstract: Generating a movie preview can include generating a preview object from frames associated with a media object and encoding the preview object for display in a display area. Based on a position of a control device within the display area, a frame can be selected from the preview object for display in the display area. Additionally, generating the preview object can include concatenating the frames to form a single image.

Abstract: A semiconductor substrate for being used as a base substrate for epitaxial crystal growth by HVPE method includes a ?-Ga2O3-based single crystal, and a principal surface that is a plane parallel to a [010] axis of the ?-Ga2O3-based single crystal. An epitaxial wafer includes the semiconductor substrate, and an epitaxial layer that includes a ?-Ga2O3-based single crystal and is formed on the principal surface of the semiconductor substrate by epitaxial crystal growth using the HVPE method. A method for manufacturing the epitaxial wafer includes forming the epitaxial layer by epitaxial crystal growth using the HVPE method on the semiconductor substrate.

Abstract: A grinder (100) includes a motor (12), a housing (4, 6, 30), a spindle (24), a first cover (120), and a second cover (170). The spindle protrudes downward from the housing, is driven by the motor, and thereby rotates. The first cover is provided in the circumferential direction of the spindle, is fixed to the housing, and at least partially covers a tool accessory (40), which is mounted on the spindle, from above. The second cover is detachably mounted on the housing (6) independently of the first cover.

Abstract: As one embodiment, the present invention provides a method for growing a ?-Ga2O3-based single crystal film by using HVPE method. The method includes a step of exposing a Ga2O3-based substrate to a gallium chloride-based gas and an oxygen-including gas, and growing a ?-Ga2O3-based single crystal film on a principal surface of the Ga2O3-based substrate at a growth temperature of not lower than 900° C.

Abstract: A crystal layered structure includes a Ga2O3 substrate and a nitride semiconductor layer and is capable of providing a light emitting element having high light output and a light emitting element includes this crystal layered structure. The crystal layered structure includes a Ga2O3 substrate a dielectric layer which is formed on the Ga2O3 substrate so as to partially cover the upper surface of the Ga2O3 substrate, and which has a refractive index difference of 0.15 or less relative to the Ga2O3 substrate and a nitride semiconductor layer which is formed on the Ga2O3 substrate with the dielectric layer interposed therebetween, and which is in contact with the dielectric layer and a portion not covered by the dielectric layer on the upper surface of the Ga2O3 substrate.

Abstract: A computer-implemented method includes receiving a message from a mobile device over a wireless network, the message including several attachments, wherein the several attachments include one or more mobile device attachments corresponding to content captured using the mobile device, identifying the one or more mobile device attachments; and separating the one or more mobile device attachments from the plurality of attachments.

Abstract: A computer-implemented method includes generating a user interface for displaying one or more images, receiving a request from a remote device to view the user interface, determining whether the remote device is a mobile device communicating over a wireless network, depending on a result of the determination, generating a low resolution version of the user interface that is computationally less intensive to render compared to the previously generated user interface, and transmitting the low resolution version of the user interface to the requesting device.

Abstract: A computer-implemented method can include displaying a display region, on a display device associated with a computer system, corresponding to a container at a remote location operatively coupled to the computer system over a network, wherein the container includes at least two content items, dividing the display region into at least two portions, wherein each portion corresponds to one of the at least two items, and upon detecting a positioning of a cursor in a first portion of the at least two portions, transmitting a request to the remote location for a first content item, of the at least two content items, receiving the first content item, and displaying the first content item in the display region.

Abstract: A computer-implemented method includes generating a user interface for displaying one or more images, receiving a request from a remote device to view the user interface, determining whether the remote device is a mobile device communicating over a wireless network, depending on a result of the determination, generating a low resolution version of the user interface that is computationally less intensive to render compared to the previously generated user interface, and transmitting the low resolution version of the user interface to the requesting device.

Abstract: A computer-implemented method includes receiving a message from a mobile device over a wireless network, the message including several attachments, wherein the several attachments include one or more mobile device attachments corresponding to content captured using the mobile device, identifying the one or more mobile device attachments; and separating the one or more mobile device attachments from the plurality of attachments.

Abstract: A computer-implemented method includes generating a user interface for displaying one or more images, receiving a request from a remote device to view the user interface, determining whether the remote device is a mobile device communicating over a wireless network, depending on a result of the determination, generating a low resolution version of the user interface that is computationally less intensive to render compared to the previously generated user interface, and transmitting the low resolution version of the user interface to the requesting device.

Abstract: A computer-implemented method includes receiving a message from a mobile device over a wireless network, the message including several attachments, wherein the several attachments include one or more mobile device attachments corresponding to content captured using the mobile device, identifying the one or more mobile device attachments; and separating the one or more mobile device attachments from the plurality of attachments.

Abstract: To provide a network game system for switching a server-client machine without deteriorating the excitement of a game. A network game system (10) causes each of a plurality of game machines (12) to operate as a client and at least one of the plurality of game machines (12) to also operate as a server, thereby providing a game to be played by the players of the plurality of game machines (12). A game play evaluation value calculation unit (40) calculates a play evaluation value corresponding to each of the plurality of game machines (12) during a game. In the case where a predetermined switching determination time arrives during the game, a server switching unit (52) switches the game machine (12) operating as the server from the game machine (12) currently operating as the server to another game machine (12) of the plurality of game machines (12), based on the evaluation value calculated by the play evaluation value calculation unit (40).

Abstract: Provided is a network game system for providing a game played by players of game machines by operating at least one of the game machines as a server, in which: the game machine to be operated as a server can be appropriately selected; a measuring unit (22) of each of the game machines (12) measures a time required to exchange predetermined data between the game machine (12) and another game machine (12) of the game machines (12); and a server determining unit (28) determines at least one of the game machines (12) as the game machine (12) to be operated as the server according to the results of the measurement by the measuring units (22) of the game machines (12).

Abstract: To provide a network game system capable of switching a server-client machine, while avoiding deterioration in the excitement of a game. A network game system (10) causes each of a plurality of game machines (12) to operate as a client and at least one of the plurality of game machines (12) to operate as a server. In the where a switching determination time arrives, a switching determination unit (52) determines whether or not to switch the game machine (12) operating as a server from the game machine (12) currently operating as the server to another game machine (12) of the plurality of game machines (12), based on the play evaluation value corresponding to each of at least one of the game machines (12).