For decades, loudspeakers, batteries and antennas remained the three key electronic technologies most neglected in the rush towards miniaturisation, but all three have made giant strides in the past decade, and Matsushita Electronics Corp and Synthetic Rubber Corp look to have another major battery breakthrough on their hands: Newsbytes Japan reports that the pair have jointly developed an electrical conductor that can be fabricated as a flexible sheet a mere 0.04 – 40 thou – thick, with which they reckon they can make a paper battery for incorporation into things like embedded microprocessor Smart Cards, pocket computers, radios and hearing aids.
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