Front face erasable microcapsule magnetophoretic display...

Details Front face erasable microcapsule magnetophoretic display... Front face erasable microcapsule magnetophoretic display...

2006-07-04

2006-07-04

Jackson, Monique R. (Department: 1773)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

C428S327000, C428S402200, C428S403000, C428S900000, C434S409000

Reexamination Certificate

active

07070856

ABSTRACT:
Disclosed herein is a front face erasable microcapsule magnetophoretic display sheet having a support and a solid dispersion layer provided on one surface of the support and composed of microcapsules having an average particle diameter of 50 to 650 μm, in which a liquid dispersion, a white pigment, additives and magnetic particles are encapsulated, and a binder. The magnetic particles include at least two kinds of magnetic particles different in particle diameter from each other. An erasing magnet for front face erasing and a writing magnet for front face erasable microcapsule magnetophoretic display sheet are also disclosed.

REFERENCES:
patent: 4143472 (1979-03-01), Murata et al.
patent: 5332488 (1994-07-01), Mitsuji
patent: 6275130 (2001-08-01), Yoshimura et al.
patent: 6450401 (2002-09-01), Hirota et al.
patent: 6562289 (2003-05-01), Staubach et al.

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