A delay locked loop comprises a circuit configured to receive a clock signal, divide the clock signal by two to provide a divided clock signal, and mirror with respect to the divided clock signal a fractional portion of a feedback delay remaining after dividing the feedback delay by a multiple of a cycle of the clock signal to provide a first signal. The sensor tag device includes generation means 6 and 7 using one or more environmental changes, power supply voltage rise control means 8, and power supply synthesis means 9, and power is supplied to a microprocessor 12 and event data is stored in the microprocessor 12 when an event, i. The tasks are managed in a queue and are processed in order by loading the associated code into the instruction cache for execution on the microprocessor. The pressure introduction unit has a stepped portion in an end portion on an opened end side, and has a protruding portion protruding from the stepped portion to the base member side in an end portion. Barbs project from the fasteners and engage an outer surface of the bores to prevent the fastener from backing out of the bores. 002 gcm3 greater than the density of the first polymer.