A light emitting diode device is provided. Each tooth portion has a rectangular cross-section perpendicular to the axis of the stator core. In addition, in response to a decrease in the level of the packet queue below an exit threshold value, the generation of receive interrupts and the automatic indication of packets to the protocol stack may be re-enabled. The third and fourth heat treatments are performed in an inert gas atmosphere of nitrogen, helium, argon, etc.