| http://www.w3.org/ns/prov#value | - In most prior art electrophoretic media, this fluid is a liquid, but electrophoretic media can be produced using gaseous fluids; see, for example, Kitamura, T., et al., ???Electrical toner movement for electronic paper-like display???, IDW Japan, 2001, Paper HCS1-1, and Yamaguchi, Y, et al., ???Toner display using insulative particles charged triboelectrically???, IDW Japan, 2001, Paper AMD4-4).
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