Methods for producing droplets for use in capsule-based electrophoretic displays
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United States of America Patent
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Apr 23, 2002
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app pub date -
Apr 6, 2000
filing date -
Apr 6, 1999
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Abstract
Methods are provided for forming a dispersion of substantially uniform droplets. An internal phase that includes a plurality of particles suspended in a first fluid is provided and an external phase including a second fluid is provided. The internal phase is vibrated and the internal phase is applied to the external phase. Either the internal phase or a combination of the internal and external phases form a series of droplets or complex droplets of substantially uniform size.
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