Abstract: According to the present disclosure, provided is a network system including a plurality of devices and a network management apparatus connected to the plurality of devices by an IP transmission line, and the network management apparatus (100) includes a setting execution unit (116) configured to execute setting of a path to which the plurality of devices are connected, and setting of parameters for controlling the plurality of devices. With this configuration, it is possible to freely set a connection path and devices in a system in which a plurality of devices are connected.

Abstract: A grinding wheel with excellent grinding performance and providing stable grinding over a long period of time is provided. A glass filler-containing metal bond grinding wheel (10) includes a metal bond layer (14) including abrasive grains (11), a metal bond (12), and a glass filler (13). The glass filler-containing metal bond grinding wheel (10) has abrasive grains (11) that are diamonds and/or cubic boron nitrides, the metal bond (12) is a metal containing Cu, the ratio of the glass filler (13) volume to the metal bond (12) volume is 0.025 or more to 1.0 or less, and the metal bond (12) and the glass filler (13) are mutually diffused.

Abstract: An optical filter member includes a transparent base; and an optical film disposed on a surface of the base. The optical film includes a first, a second and a third dielectric multilayer films, in the respective multilayer films a plurality of dielectric layers having different refractive indexes being laminated. The first dielectric multilayer film has a first light transmission range within a wavelength of visible light. The second dielectric multilayer film has a second light transmission range falling within the first light transmission range and has an average refractive index higher than that of the first dielectric multilayer film. The third dielectric multilayer film blocks light having twice a wavelength of a central wavelength of the second light transmission range. The second dielectric multilayer film is disposed, together with the first dielectric multilayer film or the third dielectric multilayer film, on a same main surface side of the base.

Abstract: An optical filter member includes a transparent base; and an optical film disposed on a surface of the base. The optical film includes a first, a second and a third dielectric multilayer films, in the respective multilayer films a plurality of dielectric layers having different refractive indexes being laminated. The first dielectric multilayer film has a first light transmission range within a wavelength of visible light. The second dielectric multilayer film has a second light transmission range falling within the first light transmission range and has an average refractive index higher than that of the first dielectric multilayer film. The third dielectric multilayer film blocks light having twice a wavelength of a central wavelength of the second light transmission range. The second dielectric multilayer film is disposed, together with the first dielectric multilayer film or the third dielectric multilayer film, on a same main surface side of the base.

Abstract: A new storage tier is added to a plurality of storage tiers configured in storage areas of a plurality of types of storage devices, whose processing performance is different from each other, without changing its operation form. If a new Tier3 constituting a file system FS4 is added between Tier2 and Tier3, a file server 16 adds a registered generation 1 to a tier number change management table 78, sets Tier3 as the added file system FS4 in the registered generation 1, manages Tier4 as a file system FS5, which has been changed from the former Tier3, adds a policy corresponding to a policy number 1005 to a migration policy management table76, updates only the registered generation from 0 to 1 for policy numbers 1002, 1005, and manages the migration policy management table.