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    Screen printing method and screen printing apparatus
    4.
    发明授权
    Screen printing method and screen printing apparatus 失效
    丝网印刷法和丝网印刷装置

    公开(公告)号：US06237490B1

    公开(公告)日：2001-05-29

    申请号：US09011979

    申请日：1998-02-20

    申请人： Ken Takahashi ,  Naoichi Chikahisa ,  Yousuke Nagasawa ,  Takao Naito ,  Akihiko Wachi ,  Seishiro Yanachi ,  Nobuyasu Nagafuku ,  Nobuyuki Kakishima

    发明人： Ken Takahashi ,  Naoichi Chikahisa ,  Yousuke Nagasawa ,  Takao Naito ,  Akihiko Wachi ,  Seishiro Yanachi ,  Nobuyasu Nagafuku ,  Nobuyuki Kakishima

    IPC分类号： B41M112

    CPC分类号： B41F15/0818 ,  H05K3/1233 ,  H05K3/3484 ,  H05K2201/09727 ,  H05K2203/0139 ,  H05K2203/0264 ,  H05K2203/0783 ,  H05K2203/163

    摘要： A screen printing method and apparatus for printing a circuit pattern corresponding to that of a stencil (4), onto a print-object article (1) placed on an ascendable/descendable positioning stage (2), through moving a squeegee (5a,5b) horizontally while the squeegee is pushed in on the stencil so that print paste (9) is printed to the article via the stencil. The squeegee is lifted to an extent of a push-in stroke, to which the squeegee has been pushed in on the stencil, and thereafter the article is separated away from the stencil by moving the stage downward. The board is classified into first and second areas (121,120) where values of opening sizes of the stencil along a squeegee moving direction are smaller than and not smaller than a threshold, and a speed of the squeegee at the first area is made slower than that at the second area. Upon an occurrence of print standby time during a printing operation, the print standby time is measured, and at a resumption of printing with the print standby canceled, the paste placed on the stencil during the standby time is screen-printed, by moving the squeegee at an adjusted print speed lower than the reference print speed based on a relationship between the print standby time and a print time due to the adjusted print speed after the resumption of printing.

    摘要翻译： 一种丝网印刷方法和装置，用于通过移动刮板（5a，5b）将与模板（4）相对应的电路图案印刷到放置在可升降/定位台（2）上的打印物品（1） ），同时将刮刀推入模板上，使得印刷浆料（9）经由模板印刷到制品上。 将刮板提升到推入行程的程度，刮板被推入该冲压行程，此后通过向下移动工件将制品从模板分离开。 板被分为第一和第二区域（121,120），其中沿着刮板移动方向的模板的开口尺寸的值小于并且不小于阈值，并且使第一区域的刮板的速度比第一区域的速度慢 在第二个地区。 在打印操作期间发生打印待机时间时，测量打印待机时间，并且在打印待机状态下恢复打印被取消时，在待机时间期间放置在模板上的粘贴被丝网印刷，通过移动刮板 基于打印待机时间与打印时间之间的关系，该打印速度低于基准打印速度，该打印速度由于打印恢复后的调整打印速度而导致。

    Method for controlling screen printer
    5.
    发明授权
    Method for controlling screen printer 失效
    丝网印刷机控制方法

    公开(公告)号：US06748289B2

    公开(公告)日：2004-06-08

    申请号：US09765667

    申请日：2001-01-22

    申请人： Noboru Nishikawa ,  Akihiko Wachi ,  Hiroyoshi Saito

    发明人： Noboru Nishikawa ,  Akihiko Wachi ,  Hiroyoshi Saito

    IPC分类号： G06F1900

    CPC分类号： B41F35/005 ,  B41F15/0813 ,  H05K1/0269 ,  H05K3/1233 ,  H05K3/26 ,  H05K2203/163 ,  Y10T29/53004

    摘要： The present invention relates to a control method for improving the productivity of a screen printer for an electronics-mounting machine. Thus, a screen printer according to this invention uses a recognition camera to inspect the results of printing of a circuit board concurrently with a cleaning operation of the rear surface of a screen, thereby enabling the effective use of time. This screen printer also enables cream solder to be automatically supplied to reduce the operation time by determining whether the next screen to be used is unused. During automatic screen replacement, this screen printer enables a desired screen stored in the corresponding stocker to be automatically specified in order to replace the current screen in response to a selected NC program.

    摘要翻译： 本发明涉及一种用于提高电子安装机的丝网印刷机的生产率的控制方法。 因此，根据本发明的丝网印刷机使用识别照相机来与屏幕后表面的清洁操作同时检查电路板的打印结果，从而能够有效地利用时间。 该屏幕打印机还可以通过确定下一个要使用的屏幕是否未使用，自动提供膏状焊料以减少操作时间。 在自动屏幕更换期间，该屏幕打印机使得能够自动指定存储在相应储存器中的所需屏幕，以便响应于所选择的NC程序来替换当前屏幕。

    Adhesive applying apparatus
    6.
    发明授权
    Adhesive applying apparatus 失效
    粘合剂涂布装置

    公开(公告)号：US06394161B1

    公开(公告)日：2002-05-28

    申请号：US09443450

    申请日：1999-11-19

    申请人： Nobuyuki Kakishima ,  Akihiko Wachi ,  Hitoshi Nakahira ,  Takayuki Mibuchi

    发明人： Nobuyuki Kakishima ,  Akihiko Wachi ,  Hitoshi Nakahira ,  Takayuki Mibuchi

    IPC分类号： B05B300

    CPC分类号： B05C11/1034 ,  B05B15/52 ,  B05C5/0208 ,  H05K13/0469 ,  Y10T156/1798

    摘要： An adhesive applying apparatus having an adhesive applying nozzle (1), an elevation drive unit (B) for vertically moving the adhesive applying nozzle, a purging station (6) provided with a purging tape (5), a unit (10) for supporting a circuit board (4) and an X-Y direction drive unit (30) which moves the adhesive applying nozzle so as to position the adhesive applying nozzle in a specified position in a horizontal direction of the circuit board and the purging tape. The elevation drive unit is constructed so as to be able to selectively set the lowermost end position of the adhesive applying nozzle. Also, a control means (D) is provided for controlling the elevation drive unit with a command in order to set the lowermost end position of the adhesive applying nozzle, located in a position above the purging station, to a specified position.

    摘要翻译： 一种粘合剂施加装置，具有粘合剂施加喷嘴（1），用于垂直移动粘合剂施加喷嘴的升降驱动单元（B），设置有清洗带（5）的清洗站（6），用于支撑 电路板（4）和XY方向驱动单元（30），其移动粘合剂施加喷嘴，以将粘合剂施加喷嘴定位在电路板和清洗带的水平方向上的指定位置。 升降驱动单元被构造成能够选择性地设置粘合剂施加喷嘴的最下端位置。 此外，设置控制装置（D），用于通过命令控制升降驱动单元，以便将位于清洗站上方的粘合剂施加喷嘴的最下端位置设定到指定位置。

    Screen printing method and apparatus therefor
    7.
    发明授权
    Screen printing method and apparatus therefor 有权
    丝网印刷方法及其设备

    公开(公告)号：US6036994A

    公开(公告)日：2000-03-14

    申请号：US180267

    申请日：1998-11-06

    申请人： Tetsuya Tanaka ,  Ken Takahashi ,  Akihiko Wachi ,  Takao Naito

    发明人： Tetsuya Tanaka ,  Ken Takahashi ,  Akihiko Wachi ,  Takao Naito

    IPC分类号： B41F15/08 ,  B41F15/10 ,  B41F15/26 ,  B41F33/00 ,  B41F33/14 ,  B41M1/12 ,  H05K3/12 ,  H05K3/34 ,  B05D5/12 ,  B05C17/06

    CPC分类号： B41F15/10 ,  B41F15/0818 ,  B41F33/0081 ,  H05K3/1216 ,  B41P2215/114 ,  B41P2233/52 ,  Y10S101/36

    摘要： A screen printing method is provided in which the exchange of machine types is achieved in a short time and even minute patterns or narrowly pitched patterns can be precisely positioned for screen printing. The method comprises finding an amount of movement of the circuit board from positions of recognition marks (2, 2) on a circuit board (1) and positions of recognition marks (5, 5) on a screen plate (4), positioning the circuit board (1) in relation to the screen plate (4) on the basis of the amount of movement of the circuit board (1), detecting a discrepancy between a pattern of apertures (18) and a pattern of lands (19) in a particular portion of the circuit board (1), finding a positional correction from the discrepancy, and positioning the circuit board (1) in relation to the screen plate (4) on the basis of the amount of movement of the circuit board and the positional correction.

    摘要翻译： PCT No.PCT / JP97 / 01702 Sec。 371日期：1998年11月6日 102（e）日期1998年11月6日PCT提交1997年5月20日PCT公布。 出版物WO97 / 44192 日期1997年11月27日提供了一种丝网印刷方法，其中可以在短时间内实现机器类型的更换，甚至可以精确地定位几分之一的图案或狭窄的图案，以进行丝网印刷。 该方法包括从电路板（1）上的识别标记（2）和屏幕板（4）上的识别标记（5,5）的位置以及电路板上的识别标记位置（5）找到电路板的移动量， 基于电路板（1）的移动量相对于屏板（4）的板（1），检测孔（18）的图案与区域（19）的图案之间的差异 电路板（1）的特定部分，根据该差异找到位置校正，并且基于电路板的移动量和位置来相对于屏板（4）定位电路板（1） 更正。

    Inspection method and device by movement of the field of view of the camera
    8.
    发明授权
    Inspection method and device by movement of the field of view of the camera 失效
    检查方法和设备通过摄像机视场的移动

    公开(公告)号：US06774931B1

    公开(公告)日：2004-08-10

    申请号：US09550998

    申请日：2000-04-18

    申请人： Akihiko Wachi ,  Masaya Matsumoto ,  Nobuyasu Nagafuku

    发明人： Akihiko Wachi ,  Masaya Matsumoto ,  Nobuyasu Nagafuku

    IPC分类号： H04N718

    CPC分类号： G01N21/95684 ,  G01N21/8851 ,  H05K1/0269 ,  H05K3/1216

    摘要： An algorithm for determining the movement of camera for automatic tracing of inspection positions is preset based on the characteristic shape of the component. A start point and an end point of inspection of lands are designated to the camera, and the camera moves from the start point to the end point automatically along a predetermined path in accordance with the preset algorithm, thereby performing inspection of lands in succession.

    摘要翻译： 基于组件的特征形状来预设用于确定用于自动跟踪检查位置的照相机移动的算法。 将照相机的起点和检查结束点指定给照相机，照相机根据预先设定的算法，从起点到终点自动移动，并进行连续的检查。

    Screen printing method and screen printing apparatus
    9.
    发明授权
    Screen printing method and screen printing apparatus 有权
    丝网印刷法和丝网印刷装置

    公开(公告)号：US06694875B2

    公开(公告)日：2004-02-24

    申请号：US09829998

    申请日：2001-04-11

    申请人： Ken Takahashi ,  Naoichi Chikahisa ,  Yousuke Nagasawa ,  Takao Naito ,  Akihiko Wachi ,  Seishiro Yanachi ,  Nobuyasu Nagafuku ,  Nobuyuki Kakishima

    发明人： Ken Takahashi ,  Naoichi Chikahisa ,  Yousuke Nagasawa ,  Takao Naito ,  Akihiko Wachi ,  Seishiro Yanachi ,  Nobuyasu Nagafuku ,  Nobuyuki Kakishima

    IPC分类号： B41M112

    CPC分类号： B41F15/0818 ,  H05K3/1233 ,  H05K3/3484 ,  H05K2201/09727 ,  H05K2203/0139 ,  H05K2203/0264 ,  H05K2203/0783 ,  H05K2203/163

    摘要： A screen printing method and apparatus for printing a circuit pattern corresponding to that of a stencil (4), onto a print-object article (1) placed on an ascendable/descendable positioning stage (2), through moving a squeegee (5a, 5b) horizontally while the squeegee is pushed in on the stencil so that print paste (9) is printed to the article via the stencil. The squeegee is lifted to an extent of a push-in stroke, to which the squeegee has been pushed in on the stencil, and thereafter the article is separated away from the stencil by moving the stage downward. The board is classified into first and second areas (121, 120) where values of opening sizes of the stencil along a squeegee moving direction are smaller than and not smaller than a threshold, and a speed of the squeegee at the first area is made slower than that at the second area. Upon an occurrence of print standby time during a printing operation, the print standby time is measured, and at a resumption of printing with the print standby canceled, the paste placed on the stencil during the standby time is screen-printed, by moving the squeegee at an adjusted print speed lower than the reference print speed based on a relationship between the print standby time and a print time due to the adjusted print speed after the resumption of printing.

    摘要翻译： 一种丝网印刷方法和装置，用于通过移动刮板（5a，5b）将与模板（4）相对应的电路图案印刷到放置在可升降/定位台（2）上的打印物品（1） ），同时将刮刀推入模板上，使得印刷浆料（9）经由模板印刷到制品上。 将刮板提升到推入行程的程度，刮板被推入该冲压行程，此后通过向下移动工件将制品从模板分离开。 板被分为第一和第二区域（121,120），其中模版沿着刮板移动方向的开口尺寸的值小于并且不小于阈值，并且使第一区域上的刮板的速度变慢 比在第二个地区。 在打印操作期间发生打印待机时间时，测量打印待机时间，并且在打印待机状态下恢复打印被取消时，在待机时间期间放置在模板上的粘贴被丝网印刷，通过移动刮板 基于打印待机时间与打印时间之间的关系，该打印速度低于基准打印速度，该打印速度由于打印恢复后的调整打印速度而导致。

    Reflow soldering apparatus and method
    10.
    发明授权
    Reflow soldering apparatus and method 失效

    公开(公告)号：US06561407B2

    公开(公告)日：2003-05-13

    申请号：US10054882

    申请日：2002-01-25

    申请人： Nobuyasu Nagafuku ,  Akihiko Wachi ,  Masaya Matsumoto ,  Toshiyuki Koyama

    发明人： Nobuyasu Nagafuku ,  Akihiko Wachi ,  Masaya Matsumoto ,  Toshiyuki Koyama

    IPC分类号： B23Q15013

    CPC分类号： B23Q15/013

    摘要： The present invention provides an apparatus and a method for operating reflow soldering in a mounting field whereby an abnormality in transfer of circuit boards can be detected with high reliability. Whether or not a circuit board is transferred by a transfer conveyor is judged. A discharge conveyor is started when a control device judges occurrence of transfer abnormality. After the discharge conveyor starts, the transfer abnormality is determined to be a drop of the circuit board if a discharge completion detector detects that a dropped circuit board is discharged. And then the control device continues the reflow soldering. The transfer abnormality in the reflow soldering apparatus can be detected with high reliability because it can be detected whether the transfer abnormality is either the drop or a clog of the circuit board.