Patents by Inventor Satoshi Hanajima
Satoshi Hanajima has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12051613Abstract: A method of using a processing apparatus that includes a holding unit with a rotatable chuck table for holding a workpiece; a processing unit for processing the workpiece; a camera for imaging the workpiece that is movable in an indexing feed direction; and a control unit for controlling the components. The method includes forming a linear processed mark in the workpiece, and then moving the chuck table to an imaging zone, where the camera images the processed mark. The method further includes calculating correction values or a correction angle, and carrying out processing feed of the chuck table in the imaging zone under a condition in which the camera has been corrected in position in the Y-axis direction based on the correction values or the chuck table has been rotated by the correction angle.Type: GrantFiled: January 4, 2021Date of Patent: July 30, 2024Assignee: DISCO CORPORATIONInventors: Yoshimasa Kojima, Jun Nakama, Satoshi Hanajima
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Publication number: 20230302580Abstract: A processing method for a workpiece includes forming a first processing groove by a first processing unit, imaging the first processing groove by a first imaging unit and imaging, by a second imaging unit provided on an opposite side of the first imaging unit with respect to the holding table, a predetermined line that is formed in a position corresponding to that of the first processing groove in a thickness direction of the workpiece, detecting whether or not a position of a first center line of the first processing groove and a position of a second center line of the predetermined line are aligned in a predetermined plane, and correcting the processing position in such a manner as to make the positions of the two center lines aligned when the detected positions of the first center line and the second center line are not being aligned.Type: ApplicationFiled: March 20, 2023Publication date: September 28, 2023Inventors: Yoshimasa KOJIMA, Atsushi KUBO, Satoshi HANAJIMA
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Patent number: 11745374Abstract: A cutting apparatus includes a holding table that has at at least a part of a holding surface a transparent section including a transparent member and that holds a workpiece, a cutting unit including a cutting blade that cuts the workpiece held by the holding table, and a cutting water nozzle that supplies cutting water during cutting of the workpiece by the cutting blade, an imaging camera that images the workpiece through the transparent section, and a removing unit that removes a liquid adhered to the transparent section. The removing unit includes a contact member positioned at a contact position for making contact with the transparent section and a retracted position, and an X-axis moving unit that relatively moves on the transparent section the contact member making contact with the transparent section.Type: GrantFiled: January 8, 2021Date of Patent: September 5, 2023Assignee: DISCO CORPORATIONInventors: Satoshi Hanajima, Jun Nakama
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Patent number: 11699606Abstract: A cutting apparatus includes a table including a support plate transparent in a visible region, a cutting unit, a first feeding mechanism that includes a first moving section for supporting the table and a first motor, a second feeding mechanism that includes a second moving section for supporting the cutting unit and a second motor, a first camera disposed on the side of a first surface of the support plate, a second camera disposed on the side of a second surface opposite to the first surface of the support plate, and a storage section that stores positional deviation amounts in the X-axis direction and the Y-axis direction between an imaging region at a reference position of the first camera and an imaging region at a reference position of the second camera.Type: GrantFiled: March 29, 2021Date of Patent: July 11, 2023Assignee: DISCO CORPORATIONInventors: Yoshimasa Kojima, Jun Nakama, Satoshi Hanajima
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Publication number: 20230016598Abstract: A treatment apparatus including a chuck table, a table base, a servo motor that rotates the table base, and a determination unit that determines the kind of the chuck table mounted to the table base is provided. The determination unit includes a torque recording section in which a torque outputted by the servo motor when rotating the table base is recorded on the basis of the kind of the chuck table, and a determination section that collates the torque outputted by the servo motor with the torque recording section, to thereby determine the kind of the chuck table.Type: ApplicationFiled: September 29, 2022Publication date: January 19, 2023Inventor: Satoshi HANAJIMA
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Patent number: 11521867Abstract: A cutting apparatus includes a cassette table on which a first cassette in which a frame unit, ring-shaped frame and wafer are housed, and a second cassette in which a simple wafer is housed. A first conveying unit having a first frame holding part holds the ring-shaped frame of the frame unit withdrawn from the first cassette and conveys the frame unit to a chuck table. A first wafer holding part holds the simple wafer withdrawn from the second cassette and conveys the simple wafer to the chuck table. A cutting unit cuts the wafer, and a second conveying unit conveys the frame unit from the chuck table to a cleaning unit. A second wafer holding part holds the cut simple wafer and conveys it from the chuck table to the cleaning unit.Type: GrantFiled: December 11, 2019Date of Patent: December 6, 2022Assignee: DISCO CORPORATIONInventors: Satoshi Hanajima, Takeshi Kitaura, Natsuko Hanamura
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Patent number: 11321550Abstract: A processing apparatus includes a chuck table, a processing unit configured to process a workpiece held on the chuck table, a height measuring unit fitted to the processing unit, the height measuring unit measuring, as height data, heights at a plurality of coordinates of the holding surface measured while a moving unit is moved, a reading unit capable of reading an information medium, and a control unit. The chuck table includes an information medium on which identifying information distinguishing the chuck table is recorded. The control unit includes a height data recording section configured to record the height data and the identifying information in association with each other, and a processing control section configured to control a height of the processing unit during processing on the basis of the height data associated with the identifying information read by the reading unit.Type: GrantFiled: June 24, 2020Date of Patent: May 3, 2022Assignee: DISCO CORPORATIONInventor: Satoshi Hanajima
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Publication number: 20210313208Abstract: A cutting apparatus includes a table including a support plate transparent in a visible region, a cutting unit, a first feeding mechanism that includes a first moving section for supporting the table and a first motor, a second feeding mechanism that includes a second moving section for supporting the cutting unit and a second motor, a first camera disposed on the side of a first surface of the support plate, a second camera disposed on the side of a second surface opposite to the first surface of the support plate, and a storage section that stores positional deviation amounts in the X-axis direction and the Y-axis direction between an imaging region at a reference position of the first camera and an imaging region at a reference position of the second camera.Type: ApplicationFiled: March 29, 2021Publication date: October 7, 2021Inventors: Yoshimasa KOJIMA, Jun NAKAMA, Satoshi HANAJIMA
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Publication number: 20210229306Abstract: A cutting apparatus includes a holding table that has at at least a part of a holding surface a transparent section including a transparent member and that holds a workpiece, a cutting unit including a cutting blade that cuts the workpiece held by the holding table, and a cutting water nozzle that supplies cutting water during cutting of the workpiece by the cutting blade, an imaging camera that images the workpiece through the transparent section, and a removing unit that removes a liquid adhered to the transparent section. The removing unit includes a contact member positioned at a contact position for making contact with the transparent section and a retracted position, and an X-axis moving unit that relatively moves on the transparent section the contact member making contact with the transparent section.Type: ApplicationFiled: January 8, 2021Publication date: July 29, 2021Inventors: Satoshi HANAJIMA, Jun NAKAMA
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Publication number: 20210210375Abstract: A processing apparatus includes a processing feed unit and a control unit. The processing feed unit moves a holding unit along guide rails between a processing zone, and an imaging zone in which a workpiece is imaged by a camera. The control unit includes a correction amount calculation section configured such that, after forming a cut groove in the workpiece, the cut groove is imaged by the camera, and correction values in a Y-axis direction or a correction angle for the chuck table are or is then calculated from Y-coordinates of two points apart from each other in a processing feed direction on the cut groove, whereby when carrying out processing feed of the chuck table in the imaging zone, the camera is corrected in position in the Y-direction based on the correction values or the chuck table is rotated by the correction angle.Type: ApplicationFiled: January 4, 2021Publication date: July 8, 2021Inventors: Yoshimasa KOJIMA, Jun NAKAMA, Satoshi HANAJIMA
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Patent number: 10964555Abstract: Disclosed herein is a water jet processing apparatus including a chuck table that holds a workpiece by a holding surface, a high-pressure water injection unit having a high-pressure water nozzle that injects high-pressure water along planned dividing lines of the workpiece to remove burrs, a processing feed unit that carries out processing feed of the chuck table in an X-direction, and an indexing feed unit that carries out indexing feed of the high-pressure water nozzle in a Y-direction. The water jet processing apparatus also includes a movement unit that moves the high-pressure water nozzle in a Z-direction, an alignment unit that images the workpiece, a cassette placement region in which a cassette that houses plural workpieces is placed, and a conveying unit that conveys the workpiece between the cassette and the chuck table.Type: GrantFiled: April 23, 2018Date of Patent: March 30, 2021Assignee: DISCO CORPORATIONInventor: Satoshi Hanajima
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Publication number: 20210004553Abstract: A processing apparatus includes a chuck table, a processing unit configured to process a workpiece held on the chuck table, a height measuring unit fitted to the processing unit, the height measuring unit measuring, as height data, heights at a plurality of coordinates of the holding surface measured while a moving unit is moved, a reading unit capable of reading an information medium, and a control unit. The chuck table includes an information medium on which identifying information distinguishing the chuck table is recorded. The control unit includes a height data recording section configured to record the height data and the identifying information in association with each other, and a processing control section configured to control a height of the processing unit during processing on the basis of the height data associated with the identifying information read by the reading unit.Type: ApplicationFiled: June 24, 2020Publication date: January 7, 2021Inventor: Satoshi HANAJIMA
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Publication number: 20200185239Abstract: A cutting apparatus includes a cassette table on which a first cassette in which a frame unit, ring-shaped frame and wafer are housed, and a second cassette in which a simple wafer is housed. A first conveying unit having a first frame holding part holds the ring-shaped frame of the frame unit withdrawn from the first cassette and conveys the frame unit to a chuck table. A first wafer holding part holds the simple wafer withdrawn from the second cassette and conveys the simple wafer to the chuck table. A cutting unit cuts the wafer, and a second conveying unit conveys the frame unit from the chuck table to a cleaning unit. A second wafer holding part holds the cut simple wafer and conveys it from the chuck table to the cleaning unit.Type: ApplicationFiled: December 11, 2019Publication date: June 11, 2020Inventors: Satoshi HANAJIMA, Takeshi KITAURA, Natsuko HANAMURA
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Patent number: 10665508Abstract: A cutting apparatus includes a cutting unit configured to cut a workpiece held on a chuck table, and a groove detecting unit including a CCD imaging element photographing the workpiece held on the chuck table. The groove detecting unit photographs, by the CCD imaging element, a laser-processed groove and a cut groove illuminated by an oblique illumination set such that a light amount of light in a direction parallel with an extending direction of the laser-processed groove as viewed in plan is higher than a light amount of light in a direction orthogonal to the extending direction of the laser-processed groove.Type: GrantFiled: August 14, 2018Date of Patent: May 26, 2020Assignee: DISCO CORPORATIONInventors: Makoto Tanaka, Shinya Yasuda, Satoshi Hanajima, Harunobu Yuzawa
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Publication number: 20190378732Abstract: A treatment apparatus including a chuck table, a table base, a servo motor that rotates the table base, and a determination unit that determines the kind of the chuck table mounted to the table base is provided. The determination unit includes a torque recording section in which a torque outputted by the servo motor when rotating the table base is recorded on the basis of the kind of the chuck table, and a determination section that collates the torque outputted by the servo motor with the torque recording section, to thereby determine the kind of the chuck table.Type: ApplicationFiled: June 4, 2019Publication date: December 12, 2019Inventor: Satoshi HANAJIMA
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Publication number: 20190067108Abstract: A cutting apparatus includes a cutting unit configured to cut a workpiece held on a chuck table, and a groove detecting unit including a CCD imaging element photographing the workpiece held on the chuck table. The groove detecting unit photographs, by the CCD imaging element, a laser-processed groove and a cut groove illuminated by an oblique illumination set such that a light amount of light in a direction parallel with an extending direction of the laser-processed groove as viewed in plan is higher than a light amount of light in a direction orthogonal to the extending direction of the laser-processed groove.Type: ApplicationFiled: August 14, 2018Publication date: February 28, 2019Inventors: Makoto Tanaka, Shinya Yasuda, Satoshi Hanajima, Harunobu Yuzawa
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Patent number: 10211081Abstract: A processing method for processing a workpiece includes a holding step of holding the front surface side of the workpiece on which an alignment mark is formed by a holding table having a holding surface that reflects a near-infrared ray and exposing the back surface side and an imaging step of emitting the near-infrared ray toward the back surface side of the workpiece held by the holding table and imaging the workpiece by an imaging unit that has sensitivity to the near-infrared ray and faces the back surface side of the workpiece to form a captured image. The processing method also includes an alignment mark detection step of detecting the alignment mark based on the captured image and a processing step of processing the workpiece held by the holding table by a processing unit based on the detected alignment mark.Type: GrantFiled: February 1, 2018Date of Patent: February 19, 2019Assignee: Disco CorporationInventor: Satoshi Hanajima
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Publication number: 20180308717Abstract: Disclosed herein is a water jet processing apparatus including a chuck table that holds a workpiece by a holding surface, a high-pressure water injection unit having a high-pressure water nozzle that injects high-pressure water along planned dividing lines of the workpiece to remove burrs, a processing feed unit that carries out processing feed of the chuck table in an X-direction, and an indexing feed unit that carries out indexing feed of the high-pressure water nozzle in a Y-direction. The water jet processing apparatus also includes a movement unit that moves the high-pressure water nozzle in a Z-direction, an alignment unit that images the workpiece, a cassette placement region in which a cassette that houses plural workpieces is placed, and a conveying unit that conveys the workpiece between the cassette and the chuck table.Type: ApplicationFiled: April 23, 2018Publication date: October 25, 2018Inventor: Satoshi Hanajima
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Publication number: 20180218932Abstract: A processing method for processing a workpiece includes a holding step of holding the front surface side of the workpiece on which an alignment mark is formed by a holding table having a holding surface that reflects a near-infrared ray and exposing the back surface side and an imaging step of emitting the near-infrared ray toward the back surface side of the workpiece held by the holding table and imaging the workpiece by an imaging unit that has sensitivity to the near-infrared ray and faces the back surface side of the workpiece to form a captured image. The processing method also includes an alignment mark detection step of detecting the alignment mark based on the captured image and a processing step of processing the workpiece held by the holding table by a processing unit based on the detected alignment mark.Type: ApplicationFiled: February 1, 2018Publication date: August 2, 2018Inventor: Satoshi Hanajima
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Publication number: 20160189989Abstract: A processing apparatus including a chuck table for holding a workpiece, a processing unit for processing the workpiece held on the chuck table, a feeding unit for relatively feeding the chuck table and the processing unit, and an imaging unit for imaging the result of processing of the workpiece by the processing unit. The imaging unit includes an illuminating portion for illuminating a work area of the workpiece after the processing and an imaging portion for imaging the work area after the processing. The illuminating portion has an illumination direction selecting function for selecting an illumination direction in illuminating the work area from any one of the east, west, north, and south positions with respect to the work area.Type: ApplicationFiled: December 16, 2015Publication date: June 30, 2016Inventors: Satoshi Hanajima, Shinya Yasuda, Makoto Tanaka, Harunobu Yuzawa