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    • 123. 发明授权
    • Method for recording/reproducing dye-based recordable DVD medium and apparatus thereof
    • 用于记录/再现基于染料的可记录DVD介质的方法及其装置
    • US07457216B2
    • 2008-11-25
    • US11447894
    • 2006-06-07
    • Tatsuya TomuraTsutomu SatoSoh NoguchiYasunobu Ueno
    • Tatsuya TomuraTsutomu SatoSoh NoguchiYasunobu Ueno
    • G11B7/00
    • G11B7/126G11B7/00456
    • A recording and reproducing method, wherein, on recording and reproduction of a recordable DVD medium, which has a recording layer containing an organic dye on a substrate having a guide groove with wobble, wherein linear velocity conditions for CLV recording is recorded on the substrate, recording starts at a linear velocity less than a highest linear velocity at the innermost circumference; when the linear velocity is switched over to the highest linear velocity on the way, a comparison is made between an optimum recording power of Po at the highest recording velocity that is temporarily optimized by test-writing in a power measurement area at the outermost circumference and an optimum recording power of Pi at the highest linear velocity that is recorded in the substrate; in the case of Po>Pi, a value given by the formula of “(Po+Pi)/2+(Po−Pi)2Pi” is employed as a recording power with which recording starts at the highest linear velocity; and in the case of Po≦Pi, Pi is employed.
    • 一种记录和再现方法,其中在记录和再现可记录的DVD介质时,其具有包含有机染料的记录层,在具有摆动的引导槽的基板上,其中CLV记录的线速度条件被记录在基板上, 记录以小于最内圆周的最高线速度的线速度开始; 当线速度被切换到最高线速度时,比较在最外围的功率测量区域中通过测试临时优化的最高记录速度的Po的最佳记录功率和 记录在基板中的最高线速度的Pi的最佳记录功率; 在Po> Pi的情况下,采用“(Po + Pi)/ 2 +(Po-Pi)<2> Pi”的公式给出的值作为记录功率, 最高线速度; 并且在Po <= Pi的情况下,使用Pi。
    • 126. 发明申请
    • Developer for Thermal Positive Type Photosensitive Composition
    • 热正型感光组合物显影剂
    • US20080050682A1
    • 2008-02-28
    • US11664418
    • 2005-10-25
    • Tsutomu Sato
    • Tsutomu Sato
    • G03C5/18
    • G03F7/322
    • Provided is a developer for thermal positive type photosensitive composition, which is easy in developer handling such as pH adjustment, has a developing treatment capability ensuring durability in multiple uses, has little change of pH value over a prolonged period of time and is excellent in durability, has a development capability capable of satisfactorily developing of 100 or more rolls, preferably about 300 to 400 rolls so that the developer can be applied especially to photoengraved rolls for gravure printing, and exhibits a buffering action and is minimized in the aging deterioration of processing capacity so as to realize reduction of the frequency of developer replacement. The developer for thermal positive type photosensitive composition comprises a weak alkaline aqueous solution containing (A) triethanolamine and/or diethanolamine and (B) at least one member selected from the group consisting of: potassium pyrophosphate; sodium tripolyphosphate; and sodium hexametaphosphate.
    • 提供一种用于热正性感光组合物的显影剂,其容易在诸如pH调节的显影剂处理中,具有确保多次使用的耐久性的显影处理能力,在长时间内几乎没有pH值变化并且耐久性优异 具有能够令人满意地显影100个以上的辊,优选约300〜400个辊的显影能力,使得显影剂特别适用于光刻辊,用于凹版印刷,并且表现出缓冲作用并且在处理的老化劣化中被最小化 以便实现降低显影剂更换的频率。 热阳性感光性组合物的显影剂包含含有(A)三乙醇胺和/或二乙醇胺的弱碱性水溶液和(B)选自焦磷酸钾中的至少一种; 三聚磷酸钠 和六偏磷酸钠。
    • 129. 发明申请
    • Positive Photosenstive Composition
    • 积极的Photosenstive作品
    • US20070292802A1
    • 2007-12-20
    • US11659371
    • 2005-07-12
    • Tsutomu Sato
    • Tsutomu Sato
    • G03F7/039G03F7/00G03F7/004
    • B41C1/1008B41C2210/02B41C2210/06B41C2210/22B41C2210/24
    • There is provided a positive photosensitive composition which requires no burning, makes it possible to obtain necessary and sufficient adhesion when it is applied under a humidity of 25 to 60%, can be developed at a low alkali intensity, makes it possible to carry out development with keeping high sensitivity while forming no residue, ensures sharp edges, can provide a very hard resist film and is improved in scratch resistance in the handling before development. The composition comprises (A) an alkali-soluble high molecular substance having in the molecule thereof at least one carboxyl group, (B) a photo-thermal conversion material which absorbs infrared rays from an image exposure light source to convert the rays to heat, and (C) a thiol compound.
    • 提供了不需要燃烧的正性感光性组合物,可以在25〜60%的湿度下使用时获得必要且充分的粘合性,可以以低的碱强度显影,可以进行显影 在不形成残留物的同时保持高灵敏度,确保锋利的边缘,可以提供非常硬的抗蚀剂膜,并且在显影前的处理中提高了耐擦伤性。 该组合物包含(A)在其分子中具有至少一个羧基的碱溶性高分子物质,(B)从图像曝光光源吸收红外线以将光线转换成热的光热转换材料, 和(C)硫醇化合物。