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    • 1. 发明授权
    • Laser marking system and laser marking method
    • 激光打标系统和激光打标法
    • US5821497A
    • 1998-10-13
    • US495451
    • 1995-08-28
    • Taku YamazakiYukinori MatsumuraYukihiro TsudaAkira Mori
    • Taku YamazakiYukinori MatsumuraYukihiro TsudaAkira Mori
    • B23K26/00
    • B23K26/0838B23K26/066
    • A laser marking system and method with a laser oscillator generating a laser beam that is scanned in a single direction onto a mask (such as a liquid crystal) that displays sequentially a plurality of divided pattern blocks, and a second deflector that deflects the scanned laser beams onto corresponding portions of the surface of a workpiece so as to mark on the surface of the workpiece a combination of the divided pattern blocks . In another embodiment a plurality of masks and a second optical system for combining the beams from the masks can be used to create the mark. The system can be used with a conveyor and a loading and unloading unit using a controller.
    • PCT No.PCT / JP94 / 00069 Sec。 371日期:1995年8月28日 102(e)日期1995年8月28日PCT 1994年1月20日PCT PCT。 公开号WO94 / 16858 日期1994年8月4日激光打标系统和激光振荡器的方法,该激光振荡器产生沿单一方向扫描的激光束到顺序地显示多个划分的图案块的掩模(例如液晶),以及第二偏转器 其将扫描的激光束偏转到工件表面的相应部分上,以便在工件的表面上标记分割图案块的组合。 在另一个实施例中,可以使用多个掩模和用于组合来自掩模的光束的第二光学系统来产生标记。 该系统可以与输送机和使用控制器的装卸单元一起使用。
    • 2. 发明授权
    • Transmission type liquid crystal mask marker
    • 透射型液晶掩模标记
    • US5663826A
    • 1997-09-02
    • US619546
    • 1996-04-01
    • Yukihiro TsudaTaku YamazakiAkira MoriYukinori Matsumura
    • Yukihiro TsudaTaku YamazakiAkira MoriYukinori Matsumura
    • B23K26/06G02B26/08
    • B23K26/066
    • The present invention relates to a transmission type liquid crystal mask marker which can be incorporated easily into a conventional apparatus, and which enables high-speed and high-accuracy stable printing and an increase in the S/N ratio of a sensor output. The transmission type liquid crystal mask marker thus includes a controller for, during rewriting a static marking image displayed on a transmission type liquid crystal mask, displaying a static test image and attaining an equipotential state, and thereafter repeatedly displaying the static marking image and attaining an equipotential state up to the end of the rewriting time, measuring an actual light transmittance of the static test image during rewriting, and regulating the voltage applied to the transmission type liquid crystal mask so that the actual light transmittance is equal to the optimum light transmittance. An optical filter can be provided on a light receiving device for measuring a light transmittance.
    • PCT No.PCT / JP94 / 01574 Sec。 371日期:1996年4月1日 102(e)日期1996年4月1日PCT 1994年9月26日PCT公布。 第WO95 / 09067号公报 日期1995年4月6日本发明涉及一种可以容易地并入现有装置中的透射型液晶掩模标记,其能够进行高速高精度的稳定印刷,并且能够提高S / N比的S / N比 传感器输出。 因此,透射型液晶掩模标记器包括:控制器,用于在重写显示在透射型液晶掩模上的静态标记图像时,显示静态测试图像并获得等电位状态,然后反复显示静态标记图像并获得 等电位状态直到重写时间结束,在重写期间测量静态测试图像的实际透光率,并调节施加到透射型液晶掩模的电压,使得实际透光率等于最佳透光率。 可以在用于测量透光率的光接收装置上设置滤光器。
    • 3. 发明授权
    • Scanner
    • 扫描器
    • US5608563A
    • 1997-03-04
    • US331653
    • 1994-11-18
    • Yukinori MatsumuraKoji YoshidaTaku Yamazaki
    • Yukinori MatsumuraKoji YoshidaTaku Yamazaki
    • B23K26/00B23K26/06B23K26/08G02B26/10G02B26/12G02B26/08
    • G02B26/12B23K26/066B23K26/08B23K26/082B23K26/0821
    • To implement a high speed scanning, the positions in an image plane in the Y direction ("O") where no primary scanning is to be executed are removed. Only the positions in the Y direction ("1") where primary scanning is to be executed are stored in advance. On the other hand, the position in the Y direction which is currently being primary scanned is detected. Then, based on this result, the next position in the Y direction to be primary scanned ("1") is read from the stored information. The next primary scanning of the position in the Y direction thus read is started as soon as the current primary scanning is complete, thus making it possible to execute the scanning at a higher speed.
    • PCT No.PCT / JP93 / 00599 Sec。 371日期:1994年11月18日 102(e)1994年11月18日日期PCT提交1993年5月7日PCT公布。 公开号WO93 / 23781 日期:1月25日,为了实现高速扫描,不需要进行主扫描的Y方向(“O”)的图像面的位置被去除。 预先存储要进行主扫描的Y方向(“1”)的位置。 另一方面,检测当前正在扫描的Y方向上的位置。 然后,根据该结果,从存储的信息中读出Y原理扫描的下一个位置(“1”)。 一旦当前的主扫描完成,就开始对这样读取的Y方向位置的下一次主扫描,从而可以以更高的速度执行扫描。
    • 4. 发明授权
    • Laser marking apparatus
    • 激光打标机
    • US5587094A
    • 1996-12-24
    • US433416
    • 1995-05-23
    • Koji YoshidaTaku YamazakiAkira Mori
    • Koji YoshidaTaku YamazakiAkira Mori
    • B23K26/00B23K26/06B23K26/067B23K26/08B41M5/24G02B26/10
    • B23K26/08B23K26/066B23K26/082B23K26/0821
    • A laser marking apparatus, capable of marking at a high scanning speed, effectively utilizing a laser power, and providing high marking accuracy, irradiates an incident laser beam from a laser beam source onto a marking surface by raster-scanning through a raster scanning system. The raster scanning system includes an X-direction polarizing mirror, a Y-direction polarizing mirror, a field lens, and a mask. A double polarizing prism, which includes a pair of polarizing prisms (13a, 13b) for branching the incident laser beam (1) into twin laser beams, is arranged in series at an intermediate position between the laser beam source (2) and the upstream one of the X-direction polarizing mirror (3) and the Y-direction polarizing mirror (8). An adjusting means is provided to vary the distance between the two polarizing prisms (13a, 13b) or to rotate one or both of the polarizing prisms (13a, 13b) to vary the rotation angle by rotating one of the twin laser beams around the other, to thereby vary the distance between the centers of the twin laser beams as they irradiate the mask.
    • PCT No.PCT / JP93 / 01717 Sec。 371日期:1995年5月23日 102(e)日期1995年5月23日PCT提交1993年11月24日PCT公布。 公开号WO94 / 12309 日期:1994年6月9日一种激光打标设备,能够以高扫描速度进行标记,有效地利用激光功率,并提供高标记精度,通过光栅扫描通过激光束源将入射激光束照射到标记表面上 光栅扫描系统。 光栅扫描系统包括X方向偏振镜,Y方向偏振镜,场透镜和掩模。 包括用于将入射激光束(1)分支成双激光束的一对偏振棱镜(13a,13b)的双偏振棱镜在激光束源(2)和上游之间的中间位置串联布置 X方向偏振镜(3)和Y方向偏振镜(8)中的一个。 提供调节装置以改变两个偏振棱镜(13a,13b)之间的距离或旋转偏振棱镜(13a,13b)中的一个或两个,以通过使两个激光束中的一个围绕另一个旋转来改变旋转角度 从而在照射该掩模时改变双激光束的中心之间的距离。
    • 6. 发明授权
    • Liquid crystal mask, liquid crystal laser marker, and marking method
using the same
    • 液晶掩模,液晶激光标记和使用其的标记方法
    • US6160603A
    • 2000-12-12
    • US171107
    • 1998-10-13
    • Hirokazu TanakaTsuyoshi OhkuboTaku Yamazaki
    • Hirokazu TanakaTsuyoshi OhkuboTaku Yamazaki
    • G02F1/13B23K26/00B23K26/06B41M5/24G06K1/12G02F1/1343B41J2/435G02F1/133G09G3/36
    • B41J2/471B23K26/066B41J2/442B41J2/465B41M5/24G06K1/126
    • According to the present invention, no gap occurs in the joint between adjacent blocks when a design is marked in several blocks. In a liquid crystal laser marker for making a liquid crystal mask (2) with a plurality of pixels display a design to be marked on workpieces and for transmitting a laser beam through the liquid crystal mask to a workpiece so that the design will be marked on the workpiece, the liquid crystal mask is such that the pixels at all or part of the outermost sides have a size which is different from that of the inner pixels. The liquid crystal laser marker further includes a controller (11), when a design is divided into several blocks (1, 1, 1) and one of the blocks is displayed on the liquid crystal mask, the controller controls the liquid crystal mask such that a marking position of the block currently displayed on the liquid crystal mask overlaps a marking position of a block adjacent to the currently displayed block by a given length (L.sub.1, L.sub.2) of a portion where the outermost pixels have a size which is different from that of the inner pixels of the liquid crystal mask. A liquid crystal mask the pixels of which have the same size can be used. In this case, the controller controls the liquid crystal mask such that a marking position of a block currently displayed on the liquid crystal mask overlaps a marking position of a block adjacent to the currently displayed block by a given length (L3, L4) of a portion corresponding to part of the outermost pixels of the liquid crystal mask.
    • PCT No.PCT / JP97 / 01199 Sec。 371日期:1998年10月13日 102(e)1998年10月13日PCT PCT 1997年4月8日提交PCT公布。 公开号WO97 / 38820 PCT 日期1997年10月23日根据本发明,当在几个块中标记设计时,在相邻块之间的接合处不发生间隙。 在用于制造具有多个像素的液晶掩模(2)的液晶激光标记器中,显示要在工件上标记的设计并将激光束通过液晶掩模传送到工件,使得设计将被标记在 工件,液晶掩模使得全部或部分最外侧的像素具有与内部像素不同的尺寸。 液晶激光标记器还包括控制器(11),当将设计分成几个块(1,1,1)并且其中一个块被显示在液晶掩模上时,控制器控制液晶掩模,使得 当前显示在液晶掩模上的块的标记位置与当前显示的块相邻的块的标记位置与最外侧像素的尺寸不同的部分的给定长度(L1,L2)重叠一定长度(L1,L2) 的液晶掩模的内部像素。 可以使用其像素具有相同尺寸的液晶掩模。 在这种情况下,控制器控制液晶掩模,使得当前显示在液晶掩模上的块的标记位置与与当前显示的块相邻的块的标记位置与给定长度(L3,L4)重叠 对应于液晶掩模的最外面像素的一部分的部分。