Photograph of wireless sensor mode with similar sized dime, and diagrams of an alpha-voltaic power stack with 10-nanometer americium 241 and of an alpha-voltaic bifacial unit cell composed of layers of a 4-micrometer indium gallium phosphide cell, two layers of 20- to 50-micrometer phosphor and another layer of 4-micrometer indium gallium phosphide cell.
Last updated: October 6, 2006 11:11 AM
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