Abstract: A resin-sealing method compression molds a resin on a workpiece having a plurality of components mounted on a carrier and manufactures a plurality of packages in each of which at least one of the components is sealed with the resin, the resin-sealing method including: setting a sheet resin in a resin molding die; and compression molding the sheet resin set in the resin molding die, wherein a penetrating hole is formed in a central portion of the sheet resin so that the amount of the resin is less in the central portion than in a peripheral portion of the sheet resin in plan view.

Abstract: A diode (11) is provided on a substrate (1) and thermally insulated from the substrate (1). A positive feedback circuit (18) provides a positive feedback loop so that when a current of the diode (11) decreases due to a change in temperature of the diode (11), the positive feedback circuit (18) further decreases the current of the diode (11), and when the current of the diode (11) increases, the positive feedback circuit (18) further increases the current of the diode (11).

Abstract: A product management system includes a product management apparatus, a product wireless tag provided on the product and into which a product identifier indicating the product is written, a tool wireless tag provided on a holding tool for holding the product and into which a tool identifier indicating the holding tool is written, a display zone communication apparatus provided in a display zone in which at least one set of the product and the holding tool is disposed and having a wireless tag reader for reading the product identifier from the product wireless tag and reading the tool identifier from the tool wireless tag. The display zone communication apparatus transmits both the product identifier and the tool identifier read by the wireless tag reader to the product management apparatus. The product management apparatus links the holding tool and the product held by the holding tool with each other.

Abstract: A product management system includes a product management apparatus for managing a product, a user communication apparatus carried by a user, and a tool communication apparatus provided on a holding tool for holding the product. The tool communication apparatus transmits first notification information including a tool identifier indicating the holding tool when detecting that the holding tool is taken out from a display zone in which the holding tool is disposed. The user communication apparatus receives the first notification information from the tool communication apparatus, and transmits a user identifier indicating the user or the user communication apparatus and the first notification information to the product management apparatus.

Abstract: A wireless communication device includes a communication module configured to transmit data to another wireless communication device using a short range wireless communication protocol, and a controller configured to make the communication module transmit data to the other wireless communication device at predetermined intervals, when the data to be transmitted to the other wireless communication device is generated, in a connection state with the other wireless communication device using the short range wireless communication protocol. The controller performs a process for changing the predetermined interval in accordance with presence or absence of the generation of the data to be transmitted.

Abstract: A wireless communication device includes a communication module configured to transmit data to another wireless communication device using a short range wireless communication protocol, and a controller configured to make the communication module transmit data to the other wireless communication device at predetermined intervals, when the data to be transmitted to the other wireless communication device is generated, in a connection state with the other wireless communication device using the short range wireless communication protocol. The controller performs a process for changing the predetermined interval in accordance with presence or absence of the generation of the data to be transmitted.

Abstract: Membrane electrode assemblies are disposed in openings provided in a substrate, respectively. Each membrane electrode assembly includes an electrolyte membrane, an anode catalyst layer, and a cathode catalyst layer. The substrate has an insulating region that insulates a conducting region used to connect an adjacent membrane electrode assembly in series, and an insulating region used to insulate the periphery of the membrane electrode assembly. The conducting region is provided between adjacent membrane electrode assemblies. The conducting region and the insulating region share the same material used for their base portions, and the electric conductivity increases continuously from the insulating region toward the conducting region.