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    • 33. 发明授权
    • Vertical cavity surface emitting laser element, vertical cavity surface emitting laser array, optical scanning device, and image forming apparatus
    • 垂直腔表面发射激光元件,垂直腔表面发射激光器阵列,光学扫描装置和成像装置
    • US08599233B2
    • 2013-12-03
    • US13147239
    • 2009-12-22
    • Katsunari Hanaoka
    • Katsunari Hanaoka
    • B41J2/45H01S5/00
    • B41J2/442B41J2/455B41J2/473H01S5/18311H01S5/18352H01S5/2086H01S5/423
    • A disclosed vertical cavity surface emitting laser element includes a substrate, a laminated body sandwiching a semiconductor active layer with an upper reflecting mirror and a lower reflecting mirror, a lower electrode, and an upper electrode. The laser element emits laser light in a direction perpendicular to the surface of the substrate when an electric current is supplied between the upper electrode and the lower electrode. The laser element further includes a selective oxidation layer in the upper reflecting mirror having a current blocking structure made of an oxidized region and an unoxidized region, and a detectable portion formed on a side surface of a mesa structure shaped by the upper reflecting mirror including the selective oxidation layer and the active layer, thereby enabling detecting the position of the selective oxidation layer from a top of the laminated body in a depth direction of the laminated body.
    • 所公开的垂直腔表面发射激光器元件包括基板,夹着半导体有源层与上反射镜和下反射镜,下电极和上电极的层叠体。 当在上电极和下电极之间提供电流时,激光元件在垂直于衬底表面的方向上发射激光。 激光元件还包括在上反射镜中具有由氧化区域和非氧化区域构成的电流阻挡结构的选择性氧化层,以及形成在由上反射镜形成的台面结构的侧表面上的可检测部分, 选择性氧化层和有源层,从而能够在层叠体的深度方向上从层叠体的顶部检测选择氧化层的位置。
    • 34. 发明申请
    • METHOD AND DEVICE FOR PRODUCING COLOUR IMAGES BY WAY OF A UV LASER ON PIGMENTED SUBSTRATES, AND PRODUCTS PRODUCED AS A RESULT
    • 用于通过紫外线激光在掺杂的基板上生产彩色图像的方法和装置,以及作为结果生产的产品
    • US20130314486A1
    • 2013-11-28
    • US13883591
    • 2011-09-20
    • Rainer GoldauKlaus Schafer
    • Rainer GoldauKlaus Schafer
    • B41J2/44B42D15/00
    • B41J2/442B41M3/14B41M5/28B41M5/34B42D15/00Y10S462/903
    • A method is described for producing a character, pattern, symbol and/or image (8) on a substrate (2) by way of pigment particles (1) which are arranged thereon and lose their colour effect under the action of a laser (23), wherein different pigment particles (1) with at least three different colour effects are arranged on and/or in the substrate (2). The invention is distinguished by the following method steps: (a) production of a colour chart (14), in which the individual colour effect of individual pigment particles (1) or individual clusters of pigment particles is contained as a function of their spatial coordinate on and/or in the substrate (2); (b) spatially resolved irradiation, which changes the colour effect of only individual pigment particles (1) or individual clusters of pigment particles, by way of a laser (23) at a single frequency on the basis of the colour chart (14) in order to produce a resulting colour effect. Furthermore, the present invention relates to substrates, in particular security documents, produced using a method of this type, and devices for carrying out methods of this type.
    • 描述了一种用于通过颜料颗粒(1)在衬底(2)上产生字符,图案,符号和/或图像(8)的方法,颜料颗粒(1)布置在其上并在激光作用下失去其颜色效果(23 ),其中具有至少三种不同颜色效应的不同颜料颗粒(1)布置在基材(2)和/或基材(2)上。 本发明的区别在于以下方法步骤:(a)生产颜色图(14),其中包含单个颜料颗粒(1)或单个颜料颗粒簇的单独颜色效应作为其空间坐标的函数 在基底(2)上和/或基底(2)中; (b)空间分辨照射,其通过激光器(23)以单个频率基于颜色图表(14)在单个频率上改变仅单独的颜料颗粒(1)或单个颜料颗粒簇的颜色效应 以产生所产生的色彩效果。 此外,本发明涉及使用这种方法制造的基板,特别是安全文件,以及用于执行这种方法的装置。
    • 35. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20130169731A1
    • 2013-07-04
    • US13722484
    • 2012-12-20
    • CANON KABUSHIKI KAISHA
    • Takayuki MizutaMasayoshi Takahashi
    • B41J2/435
    • B41J2/473B41J2/442G02B26/122G02B26/123G02B26/127G02B26/129G03G15/043
    • The detector that detects a light beam emitted from a light source of a second image forming device and reflected by a polygon mirror, and an adjustment device that performs adjustment processing of adjusting the velocity of the polygon mirror based on an output of the detector are provided. Before a first image forming device performs the image forming processing, the adjustment device performs the adjustment processing while causing the light source of the second image forming device to emit the light beam during a time period including at least a time period in which a photosensitive member of the second image forming device is emitted with the light beam. Before the adjustment processing is finished, the first image forming device starts to move a developing member to a developing position.
    • 提供了检测从第二图像形成装置的光源发射并被多面反射镜反射的光束的检测器,以及基于检测器的输出进行调整多面镜的速度的调整处理的调整装置 。 在第一图像形成装置执行图像形成处理之前,调整装置在使第二图像形成装置的光源在至少包括光敏部件的时间段的时间段内发射光束的同时进行调整处理 的第二图像形成装置被发射。 在调整处理完成之前,第一图像形成装置开始将显影构件移动到显影位置。
    • 39. 发明授权
    • Laser processing device
    • 激光加工装置
    • US08389963B2
    • 2013-03-05
    • US13338319
    • 2011-12-28
    • Makoto Kubota
    • Makoto Kubota
    • G21K5/10
    • B41J2/442B23K26/032B23K26/082B23K26/355
    • Provided is a laser processing device capable of preventing laser light from leaking out to the outside of the housing by emitting the laser light to the processing target with the camera detached. The laser processing device includes a laser generator; a scanning optical system for scanning the laser light with respect to a workpiece; a housing frame for accommodating the scanning optical system; a camera for photographing the workpiece, the camera being removably attached to the housing frame and having a light receiving axis branched from an emission axis of the laser light; a camera cover removably attached to the housing frame to cover the camera; a limit SW for detecting detachment of the camera cover from the housing frame; and a laser output control section for prohibiting the emission of the laser light to the workpiece based on a cover detection signal.
    • 提供了一种激光处理装置,其能够通过在相机脱离时将激光发射到处理对象来防止激光泄漏到壳体的外部。 激光加工装置包括激光发生器; 用于相对于工件扫描激光的扫描光学系统; 用于容纳扫描光学系统的外壳框架; 照相机,用于摄影工件,照相机可移除地附接到壳体框架并具有从激光的发射轴分支的光接收轴; 可拆卸地附接到壳体框架以覆盖相机的相机盖; 用于检测相机盖从壳体框架脱离的限位SW; 以及激光输出控制部,其基于盖检测信号禁止向工件发射激光。