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    • 2. 发明公开
    • Laser marking on photosensitive material and photosensitive material including the marking
    • 材料和物理材料材料beinhaltend besagte Markierung
    • EP1355191A1
    • 2003-10-22
    • EP03008570.8
    • 2003-04-14
    • FUJI PHOTO FILM CO., LTD.
    • Endo, KeisukeNishida, Hiroyuki
    • G03C5/60B41M5/28G03C11/02
    • G03C5/60B41M5/288G03C11/02Y10S430/146
    • By irradiating a laser beam onto an X-ray film that includes a support layer having disposed thereon an emulsion layer, the emulsion layer is melted, numerous minute air bubbles are generated in the emulsion layer, and the emulsion layer becomes convex, whereby a visible dot pattern is formed. The irradiation time and wavelength of the laser beam are selected so that separation is not generated between the support layer and the emulsion layer. By defocusing and irradiating the laser beam, the X-ray film may substantially uniformly receives energy of the laser beam. Moreover, an undersurface layer may also be formed, and the laser beam may be irradiated onto the undersurface layer to form a dot pattern on the undersurface layer. A device and a method for forming a marking pattern representing identification information on a rolled photosensitive material and cutting the photosensitive material into sheets are disclosed.
    • 通过将激光照射到包含乳剂层上的支撑层的X射线胶片上,使乳剂层熔融,在乳剂层中产生大量微小的气泡,乳剂层变凸, 形成点图形。 选择激光束的照射时间和波长,使得在支撑层和乳剂层之间不产生分离。 通过散焦和照射激光束,X射线胶片可以基本均匀地接收激光束的能量。 此外,还可以形成下表面层,并且可以将激光束照射到下表面层上以在下表面层上形成点图案。 公开了一种用于形成表示卷绕的感光材料上的识别信息并将感光材料切割成片材的标记图案的装置和方法。
    • 3. 发明公开
    • Photosensitive material and laser marking method
    • Lichtempfindliches材料和Lasermarkierungsverfahren
    • EP1310824A2
    • 2003-05-14
    • EP02024954.6
    • 2002-11-06
    • FUJI PHOTO FILM CO., LTD.
    • Endo, KeisukeNishida, HiroyukiKusano, Toru
    • G03B27/52
    • G03B27/521G03B27/52
    • A photosensitive material in which a fog unnecessary for a photosensitive material is not generated when irradiation of a laser beam and a character or a mark is printed by an array of optically distinguishable dot patterns is provided. When the dot patterns are arrayed by M number in column and N number in row and the character or the mark having a size of A × B is printed, the dot pattern has irregularity of no more than S + 10 µm, and an almost circular shape of no lower than 100 µm and not more than the smaller diameter either A/M or B/N, when viewed from the emulsion layer side. A surface roughness is set in the range of 0.2 µm to 1.0 µm.
    • 提供了一种感光材料,其中通过光学可区分的点阵列阵列打印激光束和字符或标记的照射时不产生感光材料不需要的雾。 当点图案由列中的M数排列并且排列为N数字,并且打印具有A×B尺寸的字符或标记时,点图案具有不大于S +10μm的不规则性,并且几乎圆形 当从乳剂层侧观察时,不小于100μm且不大于A / M或B / N的较小直径的形状。 表面粗糙度设定在0.2μm〜1.0μm的范围内。
    • 5. 发明公开
    • Device and method for laser marking
    • Vorrichtung und Verfahren zur Lasermarkierung
    • EP1473590A1
    • 2004-11-03
    • EP04009955.8
    • 2004-04-27
    • Fuji Photo Film Co., Ltd.
    • Endo, KeisukeNishida, Hiroyuki
    • G03C1/498G03C11/02
    • G03C1/4989B41M5/26G03C1/498G03C11/02G03C2200/39
    • When laser beams with a wavelength of 9.3 µm or 9.6 µm are used, a pulse width t (µsec) which is a radiation time of the laser beam and an energy density E (kw/cm 2 ) of the laser beam on an X-ray film are set such that they meet requirements based on an area A between line segments A 1 and A 2 . Moreover, when laser beams with a wavelength of a 10-micrometer band, such as 10.6 µm, is used, the pulse width and the energy density are set such that they meet requirements based on an area B between line segments B 1 and B 2 . As a result, since the pulse width t is within a range of equal to or larger than 3 µsec and smaller than 30 µsec, a high-quality marking pattern with excellent visibility can be formed while improving the productivity of the X-ray film.
    • 当使用波长为9.3μm或9.6μm的激光束时,作为激光束的照射时间的脉冲宽度t(μsec),激光的能量密度E(kw / cm 2) 设置X射线胶片上的光束,使得它们满足基于线段A1和A2之间的面积A的要求。 此外,当使用波长为10微米波段(例如10.6μm)的激光束时,脉冲宽度和能量密度被设定为满足基于线段B1和B2之间的面积B的要求。 结果,由于脉冲宽度t在3μs以上且小于30μsec的范围内,所以能够在提高X射线的生产​​率的同时,形成具有良好的可视性的高质量的标记图案 电影。