illustrate the use of

FIG. 7 illustrates the use of an array of MEMS devices to selectively establish thermal connections between the Peltier type thermoelectric devices and a cold sink.
US Pat. 5966941

FIG. 3 illustrates the use of a mask to form a pattern of exposing radiation.
US Pat. 4557995

FIG. 2C illustrates the use of a consumer's smart card in the four-party protocol, in accordance with the invention.
US Pat. 6327578