A pressure-sensed ink-filled pen comprises at least a pen tube, a valve, a filler seat and a filler. 8 \u03bcm or smaller with a dry medium-stirring type pulverizer; and a second step mixing and pulverizing the pulverized crystal nucleator ingredient obtained in the previous step and a metal aliphatic carboxylate ingredient containing one or two or more kinds of specific metal aliphatic carboxylates. The demodulator unit may be configured to generate a soft decision based upon a frequency and an energy value of each received text telephone symbol. The card also has a battery pack that is in communication with the internally housed transponder, CPU, and GPS capability. The control circuitry also receives a read signal from the disk device and converts the read signal into a data signal.