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    • 72. 发明授权
    • Thermal mass transfer imaging system
    • 热质传递成像系统
    • US06761788B2
    • 2004-07-13
    • US10159871
    • 2002-05-30
    • Anemarie DeYoungJames A. FoleyAlfredo G. KniazzehEdward P. LindholmStephen J. TelferWilliam T. VetterlingMichael S. ViolaHyung-Chul Choi
    • Anemarie DeYoungJames A. FoleyAlfredo G. KniazzehEdward P. LindholmStephen J. TelferWilliam T. VetterlingMichael S. ViolaHyung-Chul Choi
    • B41M530
    • B41M5/52B41M5/345B41M5/392B41M5/41B41M5/5218B41M5/5227B41M5/529B41M2205/32Y10T428/24802
    • There is described a nanoporous receiver element for use in thermal mass transfer imaging applications. The receiver element comprises a substrate carrying an image-receiving layer comprising particulate material and a binder material. The substrate may comprise a material having a compressibility of at least 1% under a pressure of 1 Newton per mm2 (1 MPa). Optionally, there may be provided, between the substrate and the nanoporous receiving layer, a layer having a thickness of less than about 50 &mgr;m which is comprised entirely of a material having a compressibility of less than about 1% under a pressure of 1 MPa. Alternatively, the substrate may comprise only the material having a compressibility of less than about 1% under a pressure of 1 MPa, provided that the thickness of the substrate does not exceed about 50 &mgr;m. The image-receiving layer comprises particulate material and a binder material, has a void volume of from about 40% to about 70% and a pore diameter distribution wherein at least 50% of the pores having a diameter greater than about 30 nm have diameters less than about 300 nm and at least 95% of the pores having diameters greater than about 300 nm have diameters less than about 1000 nm.
    • 描述了用于热质量传递成像应用的纳米孔接收元件。 接收器元件包括承载包含颗粒材料和粘合剂材料的图像接收层的基板。 衬底可以包括在1牛顿每mm 2(1MPa)的压力下具有至少1%的压缩性的材料。 任选地,可以在基材和纳米多孔接收层之间提供厚度小于约50μm的层,其完全由在1MPa的压力下具有小于约1%的压缩性的材料组成。 或者,只要基材的厚度不超过约50μm,基材可以仅在1MPa的压力下仅包含具有小于约1%的压缩性的材料。 图像接收层包括颗粒材料和粘合剂材料,具有约40%至约70%的空隙体积和细孔直径分布,其中至少50%的直径大于约30nm的孔的直径较小 大于约300nm,直径大于约300nm的孔的至少95%具有小于约1000nm的直径。
    • 73. 发明授权
    • Process for fixing an image, and medium for use therein
    • 用于固定图像的方法和用于其中的介质
    • US5741630A
    • 1998-04-21
    • US232757
    • 1994-04-25
    • John L. MarshallRita S. Shon BakerLarry C. TakiffStephen J. TelferJohn C. Warner
    • John L. MarshallRita S. Shon BakerLarry C. TakiffStephen J. TelferJohn C. Warner
    • B41M5/28B41M5/30B41M5/323B41M5/46G03C1/73G03F7/004
    • G03F7/0045B41M5/30G03C1/73
    • A process for producing and fixing an image uses an imaging medium comprising an acid-generating layer or phase comprising a mixture of a superacid precursor, a sensitizer and a secondary acid generator, and a color-change layer comprising an image dye. The sensitizer can absorb radiation of a sensitizer wavelength which does not, in the absence of the sensitizer, cause decomposition of the superacid precursor to form the corresponding superacid. The secondary acid generator is capable of acid-catalyzed thermal decomposition by the first acid to form a second acid, and the image dye undergoes a color change upon contact with the second acid. The medium is imagewise exposed to radiation of the sensitizer wavelength, thereby causing the sensitizer, in exposed areas, to decompose superacid precursor with formation of the fist acid. The medium is then heated to cause, in the exposed areas, acid-catalyzed thermal decomposition of the secondary acid generator and formation of the second acid. The components of the acid-generating and color-change layers or phases are mixed so that in exposed areas, the second acid causes the image dye to change color. At least the non-exposed areas, a copper compound and a reactive material more reactive than the image dye to the products resulting from decomposition of the superacid precursor in the presence of the copper compound, are used to decompose the superacid precursor and fix the image.
    • 用于制备和定影图像的方法使用包含酸产生层或包含超酸前体,敏化剂和次生酸发生剂的混合物的相位的成像介质和包含图像染料的变色层。 敏化剂可以吸收敏化剂波长的辐射,其在不存在敏化剂的情况下不会导致超酸前体分解形成相应的超强酸。 二次酸产生剂能够通过第一种酸进行酸催化热分解以形成第二种酸,并且图像染料在与第二种酸接触时经历颜色变化。 介质被成像地暴露于敏化剂波长的辐射,从而使曝光区域中的敏化剂在形成第一酸时分解超酸前体。 然后将介质加热以在暴露的区域中引起二次酸发生器的酸催化热分解和第二酸的形成。 将酸产生和变色层或相的组分混合,使得在曝光区域中,第二种酸引起图像染料改变颜色。 使用未曝光区域,铜化合物和比图像染料反应性更高的反应性物质,在由铜化合物存在的情况下由超强酸前体分解而产生的产物,分解超酸前体并固定图像 。
    • 74. 发明授权
    • Imaging medium
    • 成像介质
    • US5631118A
    • 1997-05-20
    • US430420
    • 1995-04-28
    • Russell A. GaudianaRobert W. HaddockJohn L. MarshallLarry C. TakiffStephen J. TelferMichael A. Young
    • Russell A. GaudianaRobert W. HaddockJohn L. MarshallLarry C. TakiffStephen J. TelferMichael A. Young
    • B41M5/28B41M5/30B41M5/323G03C1/675G03C1/73G03F7/004G03C1/492G03C1/494G03C1/76
    • B41M5/30G03C1/73G03F7/0045
    • A process for producing an image uses an imaging medium comprising an acid-generating layer or phase comprising a mixture of a superacid precursor, a sensitizing dye and a secondary acid generator, and a color-change layer comprising an image dye. The sensitizing dye has first and second forms, the first form having substantially greater substantial absorption in a first wavelength range than the second form. The superacid precursor is capable of being decomposed to produce superacid by radiation in a second wavelength range, but is not, in the absence of the sensitizing dye, capable of being decomposed by radiation in the first wavelength range. The secondary acid generator is capable of acid-catalyzed thermal decomposition by unbuffered superacid to form a secondary acid. While at least part of the sensitizing dye is in its first form, the medium is imagewise exposed to radiation in the first wavelength range, thereby causing, in the exposed areas of the acid-generating layer, the formation of unbuffered superacid. The medium is then heated to cause, in the exposed areas, acid-catalyzed thermal decomposition of the secondary acid generator and formation of the secondary acid. The components of the acid-generating and color-change layers or phases are then mixed so that the secondary acid causes a change in color of the image dye, and the sensitizing dye is converted to its second form. The acid-generating layer or phase desirably includes a cosensitizer which is a reducing agent less basic than the secondary acid generator.
    • 用于制备图像的方法使用包含酸产生层或包含超强酸性前体,敏化染料和次级酸产生剂的混合物的相位的成像介质和包含图像染料的变色层。 敏化染料具有第一和第二形式,第一形式在比第二形式的第一波长范围内具有显着更大的实质吸收。 超酸前体能够通过在第二波长范围内的辐射分解产生超强酸,但是在不存在敏化染料的情况下,能够在第一波长范围内被辐射分解。 二次酸发生器能够通过无缓冲的超强酸进行酸催化的热分解以形成二次酸。 虽然至少部分敏化染料处于其第一种形式,但介质在第一波长范围内成像曝光于辐射,从而在酸产生层的暴露区域中形成无缓冲的超强酸。 然后将介质加热以在暴露的区域中引起二次酸发生器的酸催化热分解和二次酸的形成。 然后将酸产生和变色层或相的组分混合,使得次级酸引起图像染料的颜色变化,并且将敏化染料转化为其第二种形式。 酸产生层或相需要包含辅助剂,其是比次级酸发生剂更碱性的还原剂。