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    • 5. 发明授权
    • Black color heat-sensitive diazo microcapsule recording material with
benzoylacetic amide coupler
    • 黑色热敏重氮微胶囊记录材料与苯甲酰乙酰胺偶合剂
    • US4842979A
    • 1989-06-27
    • US129350
    • 1987-11-30
    • Sadao IshigeToshimasa UsamiHiroshi KamikawaToshiharu Tanaka
    • Sadao IshigeToshimasa UsamiHiroshi KamikawaToshiharu Tanaka
    • B41M5/323B41M5/28B41M5/30B41M5/337C07C235/80G03C1/00G03C1/58G03C1/60G03C1/61G03C5/18G03C7/36
    • B41M5/3375C07C235/80G03C1/002G03C1/58G03C5/18G03C7/362
    • A heat-sensitive recording material comprising a support having provided thereon a heat-sensitive layer containing microcapsules containing at least one diazonium salt capable of azo-coupling with 2-hydroxy-3-naphthoic acid anilide to develop a blue color, a 2-hydroxy-3-naphthoic acid amide derivative, a benzoylacetic amide derivative represented by the following formula and a basic substance: ##STR1## wherein X represents a hydrogen atom, a halogen atom, a lower alkyl group or an alkoxy, aralkyloxy, phenoxy or acylamino group having up to 18 carbon atoms; Y represents an alkyl or aralkyl group having from 7 to 18 carbon atoms, an alkoxy, aralkyloxy, phenoxy, naphthyloxy, alkylthio, aralkylthio or phenylthio group having from 6 to 18 carbon atoms, a naphthylthio group, a sulfonyloxy group, a sulfamoyl gorup, a ureido group, a thioureido group or an acylamino group; X' and Y' each represents a hydrogen atom, a halogen atom, a lower alkyl group or a lower alkoxy group; and Y and Y' may combine to form a substituted or unsubstituted benzene ring. The material has excellent preservability before heat recording, provides a high color density upon heat recording, and develops a black color fixable with light.
    • 一种热敏记录材料,其包括在其上设置有包含含有至少一种能够与2-羟基-3-萘甲酸苯胺偶氮偶联的重氮盐以形成蓝色的微胶囊的热敏层的载体,2-羟基 -3-萘甲酸酰胺衍生物,下式表示的苯甲酰基乙酰胺衍生物和碱性物质:其中X表示氢原子,卤素原子,低级烷基或烷氧基,芳烷氧基,苯氧基或酰氨基 具有多达18个碳原子; Y表示碳原子数为7〜18的烷基或芳烷基,碳原子数6〜18的烷氧基,芳烷氧基,苯氧基,萘氧基,烷硫基,芳烷硫基或苯硫基,萘硫基,磺酰氧基,氨磺酰基, 脲基,硫脲基或酰氨基; X'和Y'各自表示氢原子,卤素原子,低级烷基或低级烷氧基; 并且Y和Y'可以结合形成取代或未取代的苯环。 该材料在热记录之前具有优异的保存性,在加热记录时提供高的色彩密度,并且可以发展出可用光固定的黑色。
    • 6. 发明授权
    • Photographic element with diazo contrast enhancement layer and method of
producing image in underlying photoresist layer of element
    • 具有重氮对比度增强层的摄影元件以及在底层光致抗蚀剂层中产生图像的方法
    • US4777111A
    • 1988-10-11
    • US28980
    • 1987-03-23
    • David B. BlumelAlbert S. Deutsch
    • David B. BlumelAlbert S. Deutsch
    • G03F7/09G03C1/52G03C1/60G03F7/26
    • G03F7/091
    • This invention relates to a composition and method for enhancing the contrast of images of an underlying photolithographic layer. A photographic element, including a photoresist layer, is applied to a substrate. The photoresist layer contains a contrast-enhancing layer including at least one light-sensitive compound capable of producing acidic photoproducts upon exposure to actinic radiation, at least one indicator dye that changes color on exposure to acidic conditions and at least one polymeric binder soluble in water or weakly alkaline aqueous solutions. The photographic element is exposed to active radiation sufficient to cause photobleaching of the contrast enhancement layer and exposure of the photoresist layer. The photographic element is exposed to actinic radiation sufficient to cause photobleaching of the contrast enhancement layer and exposure of the photoresist layer. The photographic element is developed in an aqueous photoresist developer, whereby the contrast enhancement layer is stripped from the photoresist layer by the developer.
    • 本发明涉及用于增强底层光刻层的图像的对比度的组合物和方法。 将包括光致抗蚀剂层的照相元件施加到基底上。 光致抗蚀剂层包含对比度增强层,其包括至少一种能够在暴露于光化辐射时产生酸性光产物的光敏化合物,至少一种在暴露于酸性条件下改变颜色的指示剂染料和至少一种可溶于水的聚合物粘合剂 或弱碱性水溶液。 照相元件暴露于足以引起对比度增强层的漂白和曝光光致抗蚀剂层的有效辐射。 照相元件暴露于足以引起对比度增强层的光漂白和光致抗蚀剂层的曝光的光化辐射。 将照相元件在水性光致抗蚀剂显影剂中显影,由此通过显影剂将对比度增强层从光致抗蚀剂层剥离。