Provided is a manufacturing method of a crystallized rare-earth thin films on a glass or a silicon substrate. The memory includes memory cells that may each include a magnetoresistive bit. The method may comprise determining at least one flow rate associated with a plurality of packets. When it is the demagnetization failure, motor control continues after changing the voltage threshold. A heat exchanger is connected to the second heater. Such implants provide low friction, highly wear resistant coatings especially useful in artificial joints, such as hip joints, knee joints, elbows, etc.