公开(公告)号：US4464050A

公开(公告)日：1984-08-07

申请号：US345153

申请日：1982-02-02

申请人： Kiichi Kato ,  Masaharu Sakamoto ,  Shoji Yoshikawa ,  Kunio Yamamiya ,  Hiroshi Kodama ,  Ken Ohsima

发明人： Kiichi Kato ,  Masaharu Sakamoto ,  Shoji Yoshikawa ,  Kunio Yamamiya ,  Hiroshi Kodama ,  Ken Ohsima

IPC分类号： G01N21/88 ,  G01N21/95 ,  G01N21/956 ,  G11B7/0037 ,  G11B7/26 ,  H01L21/66

CPC分类号： G11B7/00375 ,  G01N21/9506

摘要： An apparatus for detecting optically defects in object such as original glass disc for use in manufacturing video and audio discs by projecting a laser light flux onto the object includes an objective lens for focussing the incident laser light flux onto the object as a small light spot, the laser light flux passing through the objective lens at only its central portion. When the object has no defect in the light spot area, the laser light flux is regularly reflected by the object surface, but when the object includes a defect in the light spot area, the light flux is scattered by the defect. The directly reflected and scattered light fluxes are collected by the objective lens and are then separated from each other by means of a small mirror arranged in an optical axis of the directly reflected light flux. The directly reflected and scattered light fluxes thus separated are received by first and second light detectors. A cylindrical lens is inserted between the small mirror and the first light detector having four divided light receiving regions. The objective lens is driven into an in-focussed position under the control of a focussing error signal which is derived by processing output signals from the four divided light receiving regions. A defect signal is derived by processing output signals supplied from the first and second light detectors.

摘要翻译： 用于通过将激光光束投射到物体上来制造视频和音频盘的用于检测用于制造视频和音频盘的原始玻璃盘的物体的光学缺陷的装置包括：用于将入射的激光光束聚焦到物体上作为小光斑的物镜， 激光光束仅在其中心部分通过物镜。 当物体在光斑区域没有缺陷时，激光光束被物体表面规则地反射，但是当物体包含光斑区域的缺陷时，光通量被缺陷散射。 直接反射和散射的光束由物镜收集，然后通过布置在直射反射光束的光轴上的小反射镜彼此分离。 这样分离的直接反射和散射的光束被第一和第二光检测器接收。 在具有四个分开的光接收区域的小反射镜和第一光检测器之间插入柱面透镜。 在通过处理来自四个分开的光接收区域的输出信号导出的聚焦误差信号的控制下，物镜被驱动到聚焦位置。 通过处理从第一和第二光检测器提供的输出信号来导出缺陷信号。

公开(公告)号：US4750163A

公开(公告)日：1988-06-07

申请号：US836673

申请日：1986-03-05

申请人： Kunio Yamamiya ,  Masaharu Sakamoto

发明人： Kunio Yamamiya ,  Masaharu Sakamoto

IPC分类号： G11B7/12 ,  G11B7/09 ,  G11B7/24 ,  G11B19/04 ,  G11B7/085 ,  G11B27/36

CPC分类号： G11B19/04 ,  G11B7/09 ,  G11B7/24

摘要： A device for detecting the abnormality of an optical pick-up head has a laser diode for emitting a light beam through an optical system to a reference reflective region formed at a predetermined portion of an optical disk, a photosensor for receiving a reflected light from the reflective region through the optical system, and a photosensor for detecting directly the light amount of the laser diode. The difference or a ratio of the detection signals of the photosensors is obtained, and the difference or the ratio is compared with a predetermined value. When the compared result exceeds a predetermined value, the result is decided to be an abnormality of the pick-up head.

摘要翻译： 用于检测光学拾取头的异常的装置具有用于通过光学系统将光束发射到形成在光盘的预定部分处的参考反射区域的激光二极管，用于接收来自光学拾取头的反射光的光电传感器 通过光学系统的反射区域和用于直接检测激光二极管的光量的光电传感器。 获得光电传感器的检测信号的差异或比率，并将差值或比率与预定值进行比较。 当比较结果超过预定值时，结果被确定为拾取头的异常。

公开(公告)号：US4505585A

公开(公告)日：1985-03-19

申请号：US362680

申请日：1982-03-29

申请人： Shoji Yoshikawa ,  Ken Ohshima ,  Hiroshi Kodama ,  Kunio Yamamiya ,  Masaharu Sakamoto ,  Kiichi Kato

发明人： Shoji Yoshikawa ,  Ken Ohshima ,  Hiroshi Kodama ,  Kunio Yamamiya ,  Masaharu Sakamoto ,  Kiichi Kato

IPC分类号： G01N21/84 ,  G01N21/88 ,  G01N21/95 ,  G06T7/00 ,  G11B7/0037 ,  G01B11/30 ,  G06F15/20

CPC分类号： G01N21/9506 ,  G11B7/00375 ,  G01N2021/8864 ,  G01N21/9501

摘要： In a system for detecting defects on an optical surface, a disk to be inspected is mounted on a turntable, and is attracted on the surface of the turntable. On the disk is provided an optical head having an objective lens located at its focal point on the surface of the disk. A laser beam emitted from a laser unit is projected through the optical head onto the disk, is reflected on the disk, and is then directed through the optical head to a photo detector. The optical head is moved in the radial direction of the disk as the turntable is rotated, and the disk is helically scanned by the laser beam. Only a defect signal is extracted from an electrical signal generated from the photo detector in a defect signal generator. The defect signal is compared in a data processing unit, and is converted to defect information of different size. When it is judged that a prescribed region on the surface of the disk is scanned by a position signal from a position sensor for detecting the position of the optical head, the data processing unit generates an address, and the defect information is stored in each size in specific assigned locations of the RAM. The defect information thus stored is displayed on a CRT or is printed out by a printer.

摘要翻译： 在用于检测光学表面上的缺陷的系统中，待检查的盘安装在转盘上，并且被吸引在转台的表面上。 在光盘上设置有一个光学头，该光学头具有位于其表面上的焦点处的物镜。 从激光单元发射的激光束通过光头投影到盘上，在盘上被反射，然后被引导通过光头到光检测器。 当转盘旋转时，光头在盘的径向上移动，并且盘被激光束螺旋扫描。 在缺陷信号发生器中仅从光电检测器产生的电信号中提取缺陷信号。 在数据处理单元中比较缺陷信号，并将其转换为不同大小的缺陷信息。 当通过来自用于检测光头的位置的位置传感器的位置信号来判断盘的表面上的规定区域被扫描时，数据处理单元生成地址，并且以每个尺寸存储缺陷信息 在RAM的特定分配位置。 由此存储的缺陷信息显示在CRT上，或由打印机打印出来。

公开(公告)号：US4499514A

公开(公告)日：1985-02-12

申请号：US362614

申请日：1982-03-29

申请人： Kunio Yamamiya ,  Hiroshi Kodama ,  Ken Ohshima ,  Shoji Yoshikawa ,  Kiichi Kato ,  Masaharu Sakamoto

发明人： Kunio Yamamiya ,  Hiroshi Kodama ,  Ken Ohshima ,  Shoji Yoshikawa ,  Kiichi Kato ,  Masaharu Sakamoto

IPC分类号： G11B17/028 ,  G11B19/20 ,  G11B23/00 ,  G11B25/04 ,  G11B5/012

CPC分类号： G11B17/0282 ,  G11B19/2009 ,  G11B23/00 ,  G11B25/043

摘要： A disc drive apparatus for driving a disc selected from discs of various diameters with and without a central hole comprises: a turntable with a hole at the center of rotation thereof; a turntable support for rotatably supporting the turntable; a motor for driving the turntable; a centering member to be detachably inserted in the hole of the turntable and for mounting a disc with a central hole; a plurality of elastic disc support members which are coaxial with the center of rotation of the turntable, which extend from the surface of the turntable, and which form a plurality of annular shapes; centering index marks, disposed on the turntable, for centering a disc without a central hole; a vacuum pump; and suction channels, one end of which is open to the surface of the turntable and the other end of which is connected to the vacuum pump, for fixing on some of the disc support members the disc selected from discs of various diameters with and without a central hole and placed on some of said disc support members.

摘要翻译： 一种盘驱动装置，用于驱动选自具有和不具有中心孔的各种直径的盘的盘，包括：具有在其旋转中心的孔的转台; 用于可旋转地支撑转盘的转盘支撑件; 用于驱动转台的电机; 定心构件可拆卸地插入转盘的孔中并用于安装具有中心孔的盘; 与转盘的旋转中心同轴的多个弹性盘支撑构件，其从转台的表面延伸并且形成多个环形形状; 设置在转盘上的定心折痕标记，用于使没有中心孔的圆盘定心; 真空泵; 以及抽吸通道，其一端通向转台的表面，另一端连接到真空泵，用于将一些盘支撑件固定在盘片上，该碟片选自具有和不具有 中心孔并放置在一些所述盘支撑构件上。

公开(公告)号：US4520280A

公开(公告)日：1985-05-28

申请号：US406487

申请日：1982-08-09

申请人： Shozi Yoshikawa ,  Hiroshi Kodama ,  Ken Ohsima ,  Masaharu Sakamoto ,  Kiichi Kato ,  Kunio Yamamiya

发明人： Shozi Yoshikawa ,  Hiroshi Kodama ,  Ken Ohsima ,  Masaharu Sakamoto ,  Kiichi Kato ,  Kunio Yamamiya

IPC分类号： H03K5/08 ,  H03K5/153

CPC分类号： H03K5/082

摘要： An input signal containing a base line which fluctuates to a great extent is detected or restored by comparing the input signal with reference levels which are shifted in accordance with the fluctuation of base line. The input signal is sampled at a variable sampling rate and an average of sampled values for a predetermined period is derived to produce a profile signal which resembles accurately the fluctuation of the base line. The profile signal thus obtained is added to upper and lower threshold voltages to produce the reference levels which have been corrected in accordance with the fluctuation of the base line of input signal.

摘要翻译： 通过将输入信号与根据基线的波动偏移的参考电平进行比较来检测或恢复包含大幅波动的基线的输入信号。 以可变采样率对输入信号进行采样，得到预定周期的采样值的平均值，以产生类似于基线波动的分布信号。 由此获得的轮廓信号被加到上限和下限阈值电压上，以产生已经根据输入信号的基线的波动校正的基准电平。

公开(公告)号：US4499572A

公开(公告)日：1985-02-12

申请号：US402075

申请日：1982-07-26

申请人： Shozi Yoshikawa ,  Masaharu Sakamoto ,  Hiroshi Kodama ,  Kunio Yamamiya ,  Kiichi Kato ,  Ken Ohsima

发明人： Shozi Yoshikawa ,  Masaharu Sakamoto ,  Hiroshi Kodama ,  Kunio Yamamiya ,  Kiichi Kato ,  Ken Ohsima

IPC分类号： G11B5/012 ,  G01N21/95 ,  G11B7/0037 ,  G11B7/013 ,  G11B20/08 ,  G11B20/10 ,  G11B27/36 ,  G11B7/00

CPC分类号： G11B27/36 ,  G01N21/9506 ,  G11B20/08 ,  G11B20/10 ,  G11B7/00375 ,  G11B7/013

摘要： In order to read out information recorded on a disc rotating at a constant angular velocity by means of a pick-up head movably arranged in a disc radius direction, a head position on the disc is detected to obtain a position signal representing a distance from a disc center to the pick-up head, and then a pulse signal having a frequency corresponding to the position signal thus obtained is generated. A detection signal supplied from the pick-up head and the pulse signal are supplied to an AND gate and pulses of the gated out pulse signal are counted by a counter. The number of the counted pulses represents correctly a length of the information recorded on the disc irrespective of position of the information on the disc.

摘要翻译： 为了通过可移动地以盘半径方向布置的拾取头读出记录在以恒定角速度旋转的盘上的信息，检测盘上的头位置以获得表示距离 光盘中心到拾取头，然后产生具有与如此获得的位置信号相对应的频率的脉冲信号。 从拾取头提供的检测信号和脉冲信号被提供给与门，门控脉冲信号的脉冲由计数器计数。 计数脉冲的数量正好表示记录在盘上的信息的长度，而与盘上的信息的位置无关。

公开(公告)号：US4495407A

公开(公告)日：1985-01-22

申请号：US362613

申请日：1982-03-29

申请人： Hiroshi Kodama ,  Masaharu Sakamoto ,  Ken Ohshima ,  Shoji Yoshikawa ,  Kunio Yamamiya ,  Kiichi Kato

发明人： Hiroshi Kodama ,  Masaharu Sakamoto ,  Ken Ohshima ,  Shoji Yoshikawa ,  Kunio Yamamiya ,  Kiichi Kato

IPC分类号： G02B7/00 ,  G02B7/32 ,  G11B7/085 ,  G11B7/09 ,  G01J1/20

CPC分类号： G11B7/08511 ,  G02B7/32 ,  G11B7/0908

摘要： A system for focusing an optical head onto a flat surface has a mechanism for moving the optical head in the direction of the optical axis of the head and a mechanism for moving an objective lens in the optical head in the direction of the optical axis of the lens. A laser beam projected from the objective lens of the optical head is reflected on the flat surface, is reflected on the beam splitter, and is introduced into a detector unit. The detector unit thus generates a focusing signal having a level responsive to the distance between the objective lens and the surface. The optical head is lowered by the mechanism for moving the optical head in accordance with the focusing signal when it passes a predetermined point, and is operated to locate the focal point of the objective lens on the surface. Thereafter, the mechanism for moving the optical head becomes inoperative, and the mechanism for moving the objective lens is operated. This mechanism operates in accordance with the focusing signal and locates the focal point of the objective lens always on the surface.

摘要翻译： 用于将光学头聚焦到平坦表面上的系统具有用于沿着光头的光轴方向移动光学头的机构，以及用于沿光学头的光轴方向移动光学头中的物镜的机构 镜片。 从光头的物镜投射的激光束在平坦表面上反射，在分束器上被反射，并被引入到检测器单元中。 因此，检测器单元产生具有响应物镜与表面之间距离的电平的聚焦信号。 通过用于在通过预定点时根据聚焦信号移动光学头的机构降低光学头，并且操作以将物镜的焦点定位在表面上。 此后，用于移动光学头的机构变得不起作用，并且用于移动物镜的机构被操作。 该机构根据聚焦信号进行操作，并将物镜的焦点始终位于表面上。

公开(公告)号：US08539390B2

公开(公告)日：2013-09-17

申请号：US13017593

申请日：2011-01-31

申请人： Tadanobu Inoue ,  Alan E. Rosenbluth ,  Kehan Tian ,  David O. Melville ,  Masaharu Sakamoto

发明人： Tadanobu Inoue ,  Alan E. Rosenbluth ,  Kehan Tian ,  David O. Melville ,  Masaharu Sakamoto

IPC分类号： G06F17/50 ,  G06F19/00 ,  G21K5/00 ,  G03F1/00 ,  G03F1/36 ,  G03F1/38

CPC分类号： G06F17/5081 ,  G03F1/0069 ,  G03F1/30 ,  G03F1/36 ,  G03F1/38 ,  G03F1/70 ,  G06F19/00 ,  G21K5/00

摘要： The manufacturability of a lithographic mask employed in fabricating instances of a semiconductor device is determined. Target edge pairs are selected from mask layout data of the mask, for determining a manufacturing penalty in making the mask. The manufacturability of the mask, including the manufacturing penalty in making the mask, is determined based on the target edge pairs as selected, and is dependent on the manufacturing penalty in making the mask. Determining the manufacturability of the mask includes, for a selected edge pair having first and second edges that are at least substantially parallel to one another, determining a manufacturing shape penalty owing to an aspect ratio of the first edge relative to a size of a gap between the first edge and the second edge. This penalty takes into account a pair of connected edges of the first edge that are at least substantially parallel to the first edge.

摘要翻译： 确定用于制造半导体器件的实例的光刻掩模的可制造性。 从掩模的掩模布局数据中选择目标边对，用于确定制作掩模时的制造损失。 基于所选择的目标边缘对来确定掩模的可制造性，包括制造掩模时的制造损失，并且取决于制造掩模时的制造损失。 确定掩模的可制造性包括：对于具有至少基本上彼此平行的第一和第二边缘的所选边缘对，由于第一边缘的纵横比相对于第一边缘的宽度比， 第一边缘和第二边缘。 这种惩罚考虑到第一边缘的至少基本平行于第一边缘的一对连接的边缘。

公开(公告)号：US08028254B2

公开(公告)日：2011-09-27

申请号：US12334488

申请日：2008-12-14

申请人： Tadanobu Inoue ,  David O. Melville ,  Hidemasa Muta ,  Kehan Tian ,  Masaharu Sakamoto ,  Alan E. Rosenbluth

发明人： Tadanobu Inoue ,  David O. Melville ,  Hidemasa Muta ,  Kehan Tian ,  Masaharu Sakamoto ,  Alan E. Rosenbluth

IPC分类号： G06F17/50

CPC分类号： G03F1/76 ,  G03F1/36

摘要： The manufacturability of a lithographic mask employed in fabricating instances of a semiconductor device is determined. Target edge pairs are selected from mask layout data of the lithographic mask, for determining a manufacturing penalty in making the lithographic mask. The mask layout data includes polygons, where each polygon has a number of edges. Each target edge pair is defined by two of the edges of one or more of the polygons. The manufacturability of the lithographic mask, including the manufacturing penalty in making the lithographic mask, is determined. Determining the manufacturing penalty is based on the target edge pairs as selected. Determining the manufacturability of the lithographic mask uses continuous derivatives characterizing the manufacturability of the lithographic mask on a continuous scale. The manufacturability of the lithographic mask is output. The manufacturability of the lithographic mask is dependent on the manufacturing penalty in making the lithographic mask.

摘要翻译： 确定用于制造半导体器件的实例的光刻掩模的可制造性。 从光刻掩模的掩模布局数据中选择目标边缘对，以确定在制作光刻掩模时的制造损失。 掩模布局数据包括多边形，其中每个多边形具有多个边。 每个目标边对由一个或多个多边形的两个边缘定义。 确定了光刻掩模的可制造性，包括制造光刻掩模的制造损失。 确定制造损失是基于所选择的目标边缘对。 确定平版印刷掩模的可制造性使用连续的衍生物来表征平版印刷掩模的可制造性在连续尺度上。 输出光刻掩模的可制造性。 光刻掩模的可制造性取决于制造光刻掩模的制造损失。

公开(公告)号：US07934063B2

公开(公告)日：2011-04-26

申请号：US11693406

申请日：2007-03-29

申请人： Masana Murase ,  Wilfred E. Plouffe, Jr. ,  Masaharu Sakamoto ,  Kanna Shimizu ,  Vladimir Zbarsky

发明人： Masana Murase ,  Wilfred E. Plouffe, Jr. ,  Masaharu Sakamoto ,  Kanna Shimizu ,  Vladimir Zbarsky

IPC分类号： G06F13/28

CPC分类号： G06F9/544

摘要： A method of invoking power processor element (PPE) serviced C library functions on a synergistic processing element (SPE) running in isolated mode. When the SPE initiates a PPE-serviced function, an SPE stub routine allocates a parameter buffer in an open area of a local store (LS) memory within the SPE. The LS memory includes an open area accessible to the PPE, and an isolated area inaccessible to the PPE. The SPE stub routine copies function parameters corresponding to the PPE-serviced function to a buffer within the open area of the LS memory, and writes a message word, which contains an identification variable of the PPE-serviced function and a location variable of the function parameters, to the open area. When execution is temporarily suspended on the SPE, the PPE reads the message word from the open area of the LS memory and executes the PPE-serviced function.

摘要翻译： 一种在隔离模式下运行的协同处理元件（SPE）上调用功率处理器元件（PPE）服务C库函数的方法。 当SPE启动PPE服务功能时，SPE stub例程在SPE内的本地存储（LS）存储器的打开区域中分配参数缓冲区。 LS存储器包括PPE可访问的开放区域和PPE无法访问的隔离区域。 SPE存根例程将对应于PPE服务功能的功能参数复制到LS存储器的开放区域内的缓冲区，并写入一个消息字，其中包含PPE服务功能的标识变量和功能的位置变量 参数，到开放区域。 当执行暂停在SPE上时，PPE从LS存储器的打开区域读取消息字，并执行PPE服务功能。