To record production history up to each component constituting a finished product with respect to each finished product, and to make use of the production history in process control, etc.
A process control method uses a non-contact IC tag which is installed in a material, and is provided with radio antenna for signal transmission/reception, and a circuit for receiving a signal from a reader and for transmitting a responding signal to an interrogator. The process control method using the non-contact IC tag includes a step for receiving an interrogation signal transmitted from the interrogator, a step for obtaining information on the material on the basis of the responding signal from the non-contact IC tag, and a step for performing the process control on the basis of a material information.
OYA MASAHITO
NAKAGAWA YOSHIHIRO
YOKOMIZO KOICHI
