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41. 发明专利

JPH07174522A APPARATUS AND METHOD FOR MEASURING SIZE OF SEMICONDUCTOR DEVICE 失效
公开(公告)号：JPH07174522A
公开(公告)日：1995-07-14
申请号：JP32270293
申请日：1993-12-21
申请人： MITSUBISHI ELECTRIC CORP
发明人： SATO HAJIME , SAKAGAMI YOSHIKAZU
IPC分类号： G01B11/02 , G01N21/88 , H01L23/00 , H05K13/04 , H05K13/08
摘要： PURPOSE:To obtain an apparatus and a method for measuring the size of a semiconductor device, with which accurately measure the size of the semiconductor device can be measured automatically and accurately of a high speed. CONSTITUTION:LED lighting devices 6a-6c are provided at the lower part of a transparent mounting plate 4, on which a semiconductor device 1 is mounted. First and second optical data 23a and 25a, which are emitted at first and second elevation angles 24a and 26a, are received by first and second image pickup devices 29a and 29b so as to obtain the equal distance with equal-distance light reflecting means 30a and 30b. The flatness, stand-off, lead length and the like of the semiconductor device 1 are obtained based on the image data. The abnormality of the transparent mounting plate 4 is further detected, and the measured results are displayed. The number of the image pickup devices can be decreased, and the size of the semiconductor device can be measured accurately and quickly.

42. 发明专利

JPH06323825A INSPECTION EQUIPMENT FOR PRINTED MARK 失效
公开(公告)号：JPH06323825A
公开(公告)日：1994-11-25
申请号：JP11283993
申请日：1993-05-14
申请人： MITSUBISHI ELECTRIC CORP
发明人： SAKAGAMI YOSHIKAZU , SATO HAJIME , KIMURA YORIAKI , YOSHIDA KOSAKU
IPC分类号： G01B11/24 , G01B11/26
摘要： PURPOSE:To decide the abnormality (defect) of a mark accurately and easily by comparing a sample image subjected to correction of inclination angle with an operated sample image. CONSTITUTION:An image picked up by a first device in a device group printed with an identical character and an identical mark is subjected to A/D conversion 2 and stored in a multilevel memory 3. On the other hand, a CPU 10 determines the inclination angle of the image and operates the position of character region. The CPU 10 also operates an optimal threshold value for binarization based on the results of lightness histogram and binarizes the data stored in the memory 3 and then stores the binarized data in a memory 8 for sample image. The image of device in second and subsequent groups is then processed similarly and the inclination angle of a sample image thus operated is corrected 13 by the difference from the inclination angle of a sample image and stored in a sample image memory 6. A difference detector 14 compares the contents of the memories 6, 8 and if any difference is detected, the longitudinal, lateral, and oblique dimensions thereat are detected 15-18. If the detected distance exceeds a predetermined distance, a decision is made that the mark is abnormal and an alarm 19 is delivered.

43. 发明专利

JPH04205477A IMAGE PROCESSING SYSTEM 失效
公开(公告)号：JPH04205477A
公开(公告)日：1992-07-27
申请号：JP33667590
申请日：1990-11-30
申请人： MITSUBISHI ELECTRIC CORP
发明人： SAKAGAMI YOSHIKAZU , KAWATO SHINJIRO , HASHIMOTO MANABU
IPC分类号： G06T7/60
摘要： PURPOSE:To efficiently obtain an objective line from a screen by providing this image processing system with a preprocessor and a start point detecting circuit for applying a range determining condition to a feature value and selecting picture elements included in the range of the condition out of picture elements included within a determine area of an image or the edge points of the whole screen as the candidates of a start point. CONSTITUTION:The image processing system is provided with the preprocessor 3 for determining a picture element whose brightness is changed as an edge point and finding out the intensity of the edge point, a brightness changing direction on the edge point, the brightness of a point near the edge point, and a feature value data of a distance up to the succeeding edge point. The start point detecting circuit 6 forms the determined range of respective feature values obtained by the preprocessing and selects picture elements included in the condition range out of picture elements in a determined area of the screen or edge point picture elements on the whole screen as the candidates of the start point. Since only effective start points can be detected, an operation time required for the selection of the edge points and the division of a connection line can be shortened and the measurement of the size, position, status, etc., of an object or its image recognition can be rapidly and efficiently executed.

44. 发明专利

JPH01291576A SHADING CORRECTION CIRCUIT 失效
公开(公告)号：JPH01291576A
公开(公告)日：1989-11-24
申请号：JP12126088
申请日：1988-05-18
申请人： MITSUBISHI ELECTRIC CORP
发明人： WASHIMI KAZUHIKO , SAKAGAMI YOSHIKAZU , HASHIMOTO MANABU
IPC分类号： H04N5/16
摘要： PURPOSE:To miniaturize a circuit with a low cost and to perform correction by shading by generating a reference voltage varied by an offset, a gain, and the regulated amount of the shading by extracting a field component, and digitizing an input video signal based on the reference voltage. CONSTITUTION:The input video signal 20 is inputted to a field discrimination circuit 1, and a first field is discriminated from a second field, then, it goes to a field discrimination signal. The signal drives analog switches 2a and 2b, and either gain out of two kinds of gains of a video signal amplifier 5 set in advance by gain control variable resistors 4a and 4b is selected, and either two kinds of offsets set in advance by offset control variable resistors 3a and 3b is selected. The shading between the fields of the gain and the offset are corrected, and a video signal outputted from the video signal amplifier 5 goes to a signal without having the shading between the fields. The video signal is A/D-converted by an A/D converter 6, and a digitized video signal 21 can be obtained.

45. 发明专利

JPS6479881A METHOD FOR EXTRACTING LINE IN IMAGE PROCESSING 失效
公开(公告)号：JPS6479881A
公开(公告)日：1989-03-24
申请号：JP23616087
申请日：1987-09-22
申请人： MITSUBISHI ELECTRIC CORP
发明人： NAKAJIMA KEIJI , WASHIMI KAZUHIKO , SAKAGAMI YOSHIKAZU
IPC分类号： G06T7/60
摘要： PURPOSE:To reduce the price of a device for extracting lines and to improve a processing speed by adding brightness information to an edge point and adding the brightness information to the edge point at the time of executing the differential processing of an image. CONSTITUTION:In case of extracting a segment AB, the segment AB can be detected without fail by extracting an edge point indicating that the brightness of a face ABCD is 200 and that of the other face BCGF is 50 and by tracing a line. If brightness information is not added, one of 9 segments is traced at the time of tracking each line and segment tracing will be executed 9 times at maximum in order to detect the segment BC. Since several hundreds edges exist in a practical image, the effect of the line extraction to which brightness information is added will be remarkable.

46. 发明专利

JPS6365583A DEFECT DETECTING DEVICE 失效
公开(公告)号：JPS6365583A
公开(公告)日：1988-03-24
申请号：JP21038386
申请日：1986-09-05
申请人： MITSUBISHI ELECTRIC CORP
发明人： NAKAJIMA KEIJI , SAKAGAMI YOSHIKAZU
IPC分类号： G01N21/88 , G06T7/00
摘要： PURPOSE:To reduce a quantizing error and to detect a defect with high accuracy by providing a shift quantity detecting circuit, correcting a shift quantity whenever two pieces of images correspond to each other, and also, executing a calculation up to a decimal part. CONSTITUTION:An image input is obtained as the value of '0' or '1' by allowing it to pass through a binarization circuit 16. If a variation occurs in a position of (X0, Y0) of one image, whether the same variation is occurred in the position of coordinates (X0+dx, Y0+dy) to which shift quantities (dx), (dy) are added, in the other image or not is detected. Unless the same variation is occurred within (k) picture elements centering around its position [(k) picture elements have the smallest size that are decided to be a defect], its position is written as a defect in a memory device B6. If the same variation is detected within the range of + or -1 picture element, the correction of the shift quantity is executed. The shift quantity is derived by collecting 16 pieces of photographed coordinate values of coordinates in which two pieces of images correspond to each other, and averaging them, and at the time of correcting the shift quantity, 16 pieces of the latest data are used, and by deriving this value up to a decimal part, the accuracy is raised.

47. 发明专利

JPS6115025B2 JPS6115025B2 - 失效
公开(公告)号：JPS6115025B2
公开(公告)日：1986-04-22
申请号：JP4861879
申请日：1979-04-19
申请人： Mitsubishi Electric Corp
发明人： SAKAGAMI YOSHIKAZU
IPC分类号： B65H81/00 , B65H81/06

48. 发明专利

JPS6116375A Picture recognizing device 失效
标题翻译：图像识别装置
公开(公告)号：JPS6116375A
公开(公告)日：1986-01-24
申请号：JP13691384
申请日：1984-07-02
申请人： Mitsubishi Electric Corp
发明人： SAKAGAMI YOSHIKAZU , TSURUSE HIDENORI
IPC分类号： G06T7/00 , G06K9/00 , G06T7/60
摘要： PURPOSE: To cope with many objects or a complicated shape of the object by dividing brightness change points in each horizontal scanning line to prescribed areas and storing brightness change points in each divided area in a storage means group.
CONSTITUTION: The video signal from an input terminal 7 is given to D flip- flop 31 through a buffer 9 and a binarizing circuit 10. Since a binary counter 40 and a decoder 41 change individual output lines from the high level or the low level to the low level or the high level each time the binarized video signal is changed from light or darkness to darkness to light, the length to the brightness change point is taken into a latch circuit 45 each time. Length-to-brightness change points are divided to prescribed areas and are taken into latch circuits 45-1W45-3. A computer 46 completes the shape of the object on the basis of stored contents of latch circuits 45.
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：目的：通过将每个水平扫描线中的亮度变化点划分为规定区域并存储在存储装置组中的每个划分区域中的亮度变化点，来处理物体的许多物体或复杂形状。构成：来自输入端子7的视频信号通过缓冲器9和二值化电路10被提供给D触发器31.由于二进制计数器40和解码器41将各个输出线从高电平或低电平改变为每当二值化视频信号从亮度或暗度变化到暗度至亮度时，低电平或高电平，则每次将亮度变化点的长度插入锁存电路45。长度到亮度的变化点被划分为规定的区域，并被插入到锁存电路45-1-45-3中。计算机46基于锁存电路45的存储内容完成对象的形状。

49. 发明专利

JPS60217076A MASTER CONTROLLER 失效
公开(公告)号：JPS60217076A
公开(公告)日：1985-10-30
申请号：JP7434784
申请日：1984-04-12
申请人： MITSUBISHI ELECTRIC CORP
发明人： SAKAGAMI YOSHIKAZU
IPC分类号： B25J9/16 , B25J3/04 , B25J13/02

50. 发明专利

JPS58217088A Position measuring device 失效
标题翻译：位置测量装置
公开(公告)号：JPS58217088A
公开(公告)日：1983-12-16
申请号：JP10049882
申请日：1982-06-11
申请人： Mitsubishi Electric Corp
发明人： SAKAGAMI YOSHIKAZU , NEKOTSUKA MASAMICHI , TSUTSUMI HIRONOBU , HIRONAKA KAZUMITSU , AZUMA KENICHI
IPC分类号： H04N7/18 , G06K9/48 , G06T1/00 , H01L21/66
CPC分类号： G06K9/48
摘要： PURPOSE:To decide accurately the position of a subject, by performing an operation between a standard pattern and the picture signal supplied from a TV camera. CONSTITUTION:The signal obtained from scanning through a TV camera is binary coded and delivered. In this case, the time during which a horizontal synchronizing signal is delivered from the TV camera and then the logic of a video signal is inverted is measured. This time is equivalent to the distance from the edge of a picture to the contour of a subject. A microcomputer checks the correspondence between the time data needed for inversion and the order of the corresponding horizontal synchronizing signal and stores it in a memory. Then the microcomputer measures the length of the straight line segment of a contour line and compares it with the data of a standard subject which is previously supplied. Thus the present position of the subject is decided. For a wire bonder, the accuracy is improved for the subsequent bonding by teaching and showing first a chip to the TV camera.
摘要翻译：目的：通过执行标准图案与从电视摄像机提供的图像信号之间的操作来准确地确定被摄体的位置。构成：通过电视摄像机扫描获得的信号是二进制编码和传送的。在这种情况下，测量从TV摄像机传送水平同步信号，然后反转视频信号的逻辑的时间。这个时间相当于从图片边缘到被摄体轮廓的距离。微机检查反转所需的时间数据与相应的水平同步信号的顺序之间的对应关系，并将其存储在存储器中。然后微型计算机测量轮廓线的直线段的长度，并将其与先前提供的标准物体的数据进行比较。因此，决定对象的当前位置。对于引线键合机，通过教导提高随后的接合精度，并将第一个芯片显示给电视摄像机。

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