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,...http://www.google.com/patents/US7070856?utm_source=gb-gplus-sharePatent US7070856 - Front face erasable microcapsule magnetophoretic display sheet, erasing magnet and writing magnet
