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    • 2. 发明授权
    • Preparation of micromultichromal spheres
    • 微复合球的制备
    • US07172712B2
    • 2007-02-06
    • US10249483
    • 2003-04-14
    • Peter M. KazmaierBarkev KeoshkerianGeorge LiebermannNaveen ChopraHadi K. MahabadiJaan NoolandiFrancisco E. Torres
    • Peter M. KazmaierBarkev KeoshkerianGeorge LiebermannNaveen ChopraHadi K. MahabadiJaan NoolandiFrancisco E. Torres
    • B29D11/00G02B26/00
    • G02B26/026B01J13/04B01J13/08B01J13/16Y10T428/2991
    • A method of making a multichromal sphere includes the steps of preparing a composition of at least (1) a matrix material and (2) at least two sets of particles, each of the sets of particles having a color different from at least one of another of the sets of particles and a segregation (e.g., an electrical or magnetic) property different from at least one of another of the sets of particles, encapsulating the composition within a shell to form an encapsulated sphere, immobilizing the encapsulated sphere in a manner to restrict at least rotation of the encapsulated sphere, subjecting the immobilized encapsulated sphere to an external field associated with the segregation property different among the sets of particles, under conditions in which the sets of particles are able to migrate within the matrix material, thereby producing color segregation in the immobilized encapsulated sphere, and solidifying the matrix material while substantially maintaining the color segregation. In the multichromal spheres, each of the sets of particles is segregated within a separate segment of the solidified matrix material of the core on the basis of the different segregation property.
    • 制备多重色球的方法包括以下步骤:制备至少(1)基质材料的组合物和(2)至少两组颗粒,每组颗粒具有不同于其它颗粒中的至少一种的颜色 的颗粒组以及不同于另一组颗粒的分离(例如,电或磁)性质,将组合物包封在壳体内以形成封装的球体,将封装的球体以 限制封装球体的至少旋转,使固定的包封球体在与该组颗粒之间不同的分离特性相关联的外部场中,在该组颗粒能够在基体材料内迁移的条件下,由此产生颜色 在固定化的包封球体中分离,并固化基质材料,同时基本上保持颜色偏析。 在多重色粉球中,基于不同的分离性质,将这些颗粒组中的每一组分离在核心的固化基质材料的单独部分内。
    • 3. 发明授权
    • Colored cyber toner using multicolored gyricon spheres
    • 彩色网络碳粉使用多彩陀螺球
    • US06699570B2
    • 2004-03-02
    • US09985825
    • 2001-11-06
    • Naveen ChopraSteven GeorgesPeter M. KazmaierSammy Y.H. RoMan C. TamFrancisco E. TorresSophie V. Vandebroek
    • Naveen ChopraSteven GeorgesPeter M. KazmaierSammy Y.H. RoMan C. TamFrancisco E. TorresSophie V. Vandebroek
    • B32B300
    • B32B5/02B32B2554/00Y10T428/24835Y10T428/25Y10T428/2915Y10T428/2982Y10T442/2418
    • A dynamic reimageable document or electric paper can be formed from ordinary substrates such as paper, transparencies or fabric by printing of microencapsulated Gyricon beads onto one or more discrete surface areas of the substrate. The substrate can include both fixed print regions formed by conventional fixed ink processes and dynamic reimageable regions formed by the Gyricon beads. The Gyricon beads are preferably bichromal and of contrasting colors, such as black/white so as to be changeable to display two states by selective application of electromagnetic force to the beads. By providing bichromal beads in differing color combinations, such as red/white and black/white, a multi-colored document can be achieved in which various fields of the document, representing text, images or graphics, may be in differing colors. Moreover, operations to perform both imaging or erasure can act on the discrete reimageable regions so that the versatility of the electric paper can be enhanced. The Gyricon beads may be dispersed in a solution to form a liquid Gyricon toner that can be directly marked, such as by a jet nozzle, into a desired pattern on the substrate.
    • 通过将微胶囊化Gyricon珠粒印刷到基底的一个或多个离散的表面区域上,可以由诸如纸,透明胶片或织物的普通基材形成动态可再成像的文件或电纸。 衬底可以包括通过常规固定油墨工艺形成的固定印刷区域和由Gyricon珠形成的动态可再形成区域。 Gyricon珠子优选是双色的,并且具有对比色,例如黑色/白色,以便通过选择性地向珠粒施加电磁力来显示两种状态。 通过提供不同颜色组合的双色珠,例如红/白和黑/白,可以实现多色文档,其中表示文本,图像或图形的文档的各个领域可以具有不同的颜色。 此外,执行成像或擦除的操作可以作用于离散的可再成像区域,使得可以增强电纸的通用性。 Gyricon珠可以分散在溶液中以形成液体Gyricon调色剂,其可以通过喷嘴直接标记成基底上所需的图案。
    • 5. 发明授权
    • Reverse write erasable paper
    • 反写可擦写纸
    • US07811741B2
    • 2010-10-12
    • US12391499
    • 2009-02-24
    • Peter M. KazmaierEric ShraderKentaro MorimitsuTyler NorstenGabriel IftimeFazilia SekerNaveen Chopra
    • Peter M. KazmaierEric ShraderKentaro MorimitsuTyler NorstenGabriel IftimeFazilia SekerNaveen Chopra
    • G03F7/00G03F7/004G03F7/20
    • G03C1/685G03C1/73
    • An image-forming medium and methods for forming and imaging the medium are provided. The disclosed medium can be strongly colored under room illumination (or deliberate UV) and can be selectively discolored at an appropriate light wavelength to form an image. In one embodiment, the image-forming medium can include a substrate (e.g., a sheet of paper), a photochromic material incorporated with the substrate, and a photo-absorbing material incorporated with the photochromic material. Exemplary methods for using the image-forming medium to make a transient image can include first forming the image-forming medium by applying a coating solution containing photochromic material to the substrate or paper. The image-forming medium can have a medium color and can then be selectively exposed to a radiation through a mask to convert the photochromic material from a colored form to a colorless form and thus to form an image having a color contrast with its background.
    • 提供了一种图像形成介质以及用于形成和成像介质的方法。 所公开的介质可以在室内照明(或有意识的UV)下强烈着色,并且可以在适当的光波长下选择性地变色以形成图像。 在一个实施例中,图像形成介质可以包括基底(例如,一张纸),与基底结合的光致变色材料以及与光致变色材料结合的光吸收材料。 使用图像形成介质进行瞬时图像的示例性方法可以包括首先通过将含有光致变色材料的涂布溶液涂布到基材或纸上来形成图像形成介质。 图像形成介质可以具有中等颜色,然后可以通过掩模选择性地暴露于辐射,以将光致变色材料从有色形式转变成无色形式,并因此形成具有背景色彩对比度的图像。
    • 6. 发明申请
    • REVERSE WRITE ERASABLE PAPER
    • 反写可擦写纸
    • US20100216635A1
    • 2010-08-26
    • US12391499
    • 2009-02-24
    • Peter M. KAZMAIEREric ShraderKentaro MorimitsuTyler NorstenGabriel IftimeFazilia SekerNaveen Chopra
    • Peter M. KAZMAIEREric ShraderKentaro MorimitsuTyler NorstenGabriel IftimeFazilia SekerNaveen Chopra
    • B41M5/323B41M5/26
    • G03C1/685G03C1/73
    • An image-forming medium and methods for forming and imaging the medium are provided. The disclosed medium can be strongly colored under room illumination (or deliberate UV) and can be selectively discolored at an appropriate light wavelength to form an image. In one embodiment, the image-forming medium can include a substrate (e.g., a sheet of paper), a photochromic material incorporated with the substrate, and a photo-absorbing material incorporated with the photochromic material. Exemplary methods for using the image-forming medium to make a transient image can include first forming the image-forming medium by applying a coating solution containing photochromic material to the substrate or paper. The image-forming medium can have a medium color and can then be selectively exposed to a radiation through a mask to convert the photochromic material from a colored form to a colorless form and thus to form an image having a color contrast with its background.
    • 提供了一种图像形成介质以及用于形成和成像介质的方法。 所公开的介质可以在室内照明(或有意识的UV)下强烈着色,并且可以在适当的光波长下选择性地变色以形成图像。 在一个实施例中,图像形成介质可以包括基底(例如,一张纸),与基底结合的光致变色材料以及与光致变色材料结合的光吸收材料。 使用图像形成介质进行瞬时图像的示例性方法可以包括首先通过将含有光致变色材料的涂布溶液涂布到基材或纸上来形成图像形成介质。 图像形成介质可以具有中等颜色,然后可以通过掩模选择性地暴露于辐射,以将光致变色材料从有色形式转变成无色形式,并因此形成具有背景色彩对比度的图像。