A positioning device to position a first member relative to a second member includes two convex parts disposed on a side of the first member and apart from each other; and positioning portions disposed on a side of the second member so as to contact the convex parts, each of which is disposed apart from each other and opposed to the two convex parts. The one-part epoxy resin composition of the present invention comprises a bisphenol A type andor F type epoxy resin which is in liquid form at room temperature, methylnadic anhydride as a cycloaliphatic anhydride which is in liquid form at room temperature, and a nitrogen-containing latent hardening accelerator. The inverter includes a first input terminal coupled to the first sourcedrain of the first transistor. One implementation of the microcontroller device has a microprocessor coupled to a physical communications unit, a ROM and a RAM. The common service interface is independent of the application that is providing the service and is also independent of the integration server.