Tokyo, 6th February 2006 --- Hitachi, Ltd. (NYSE:HIT / TSE:6501) today announced it has developed and verified operation of a 0.15 x 0.15 millimeter (mm), 7.5 micrometer (µm)*1 thick contactless IC chip, the smallest and thinnest in the world, to date. The chip is a smaller version of the 0.4 x 0.4 mm "µ-Chip"*2 currently being marketed by Hitachi, maintaining the same level of functionality. The distance between each circuit element was reduced by using SOI technology,*3 which has an insulating...