APPARATUS, METHOD AND COMPUTER PROGRAM PRODUCT FOR DEFECT DETECTION IN WORK PIECES

    公开(公告)号:MY185911A

    公开(公告)日:2021-06-14

    申请号:MYPI2020006001

    申请日:2015-12-04

    Abstract: An apparatus, a method and a computer (32) program product for defect (19) detection in work pieces (2) is disclosed. At least one light source (18) is provided and the light source (18) generates an illumination light (13) of a wavelength range at which the work piece (2) is transparent. A camera (6) images (10) the light from at least one face of the work piece (2) on a detector (26) of the camera (6) by means of a lens (7). A stage (38) is used for moving the work piece (2) and for imaging the at least one face of the semiconductor (2) device completely with the camera (6). The computer (32) program product is disposed on a non-transitory, computer (32) readable medium for defect (19) detection in work pieces. A computer (32) is used to execute the various process steps and to control (31) the various means of the apparatus. (Figure 10)

    CHROMATIC CONFOCAL AREA SENSOR
    2.
    发明专利

    公开(公告)号:PH12021550169A1

    公开(公告)日:2021-10-11

    申请号:PH12021550169

    申请日:2021-01-22

    Abstract: 3D measurements of features on a workpiece, such as ball height, co-planarity, component thickness, or warpage, are determined. The system includes a broadband light source, a microlens array, a tunable color filter, a lens system, and a detector. The microlens array can focus a light beam to a points in a focal plane of the microlens array. The tunable color filter can narrow the light beam to a band at a central wavelength. The lens system can provide longitudinal chromatic aberration whereby different wavelengths are imaged at different distances from the lens system.

    APPARATUS, METHOD AND COMPUTER PROGRAM PRODUCT FOR DEFECT DETECTION IN WORK PIECES

    公开(公告)号:SG11201704388YA

    公开(公告)日:2017-06-29

    申请号:SG11201704388Y

    申请日:2015-12-04

    Abstract: An apparatus, a method and a computer program product for defect detection in work pieces is disclosed. At least one light source is provided and the light source generates an illumination light of a wavelength range at which the work piece is transparent. A camera images the light from at least one face of the work piece on a detector of the camera by means of a lens. A stage is used for moving the work piece and for imaging the at least one face of the semiconductor device completely with the camera. The computer program product is disposed on a non-transitory, computer readable medium for defect detection in work pieces. A computer is used to execute the various process steps and to control the various means of the apparatus.

    APPARATUS, METHOD AND COMPUTER PROGRAM PRODUCT FOR DEFECT DETECTION IN WORK PIECES

    公开(公告)号:SG10202110739PA

    公开(公告)日:2021-11-29

    申请号:SG10202110739P

    申请日:2015-12-04

    Abstract: An apparatus, a method and a computer program product for defect detection in work pieces is disclosed. At least one light source is provided and the light source generates an illumination light of a wavelength range at which the work piece is transparent. A camera images the light from at least one face of the work piece on a detector of the camera by means of a lens. A stage is used for moving the work piece and for imaging the at least one face of the semiconductor device completely with the camera. The computer program product is disposed on a non-transitory, computer readable medium for defect detection in work pieces. A computer is used to execute the various process steps and to control the various means of the apparatus.

    APPARATUS, METHOD AND COMPUTER PROGRAM PRODUCT FOR DEFECT DETECTION IN WORK PIECES

    公开(公告)号:SG10201913246TA

    公开(公告)日:2020-02-27

    申请号:SG10201913246T

    申请日:2015-12-04

    Abstract: An apparatus, a method and a computer program product for defect detection in work pieces is disclosed. At least one light source is provided and the light source generates an illumination light of a wavelength range at which the work piece is transparent. A camera images the light from at least one face of the work piece on a detector of the camera by means of a lens. A stage is used for moving the work piece and for imaging the at least one face of the semiconductor device completely with the camera. The computer program product is disposed on a non-transitory, computer readable medium for defect detection in work pieces. A computer is used to execute the various process steps and to control the various means of the apparatus.

    APPARATUS, METHOD AND COMPUTER PROGRAM PRODUCT FOR DEFECT DETECTION IN WORK PIECES

    公开(公告)号:PH12020551338A1

    公开(公告)日:2021-04-12

    申请号:PH12020551338

    申请日:2020-08-26

    Abstract: An apparatus, a method and a computer program product for defect detection in work pieces is disclosed. At least one light source is provided and the light source generates an illumination light of a wavelength range at which the work piece is transparent. A camera images the light from at least one face of the work piece on a detector of the camera by means of a lens. A stage is used for moving the work piece and for imaging the at least one face of the semiconductor device completely with the camera. The computer program product is disposed on a non-transitory, computer readable medium for defect detection in work pieces. A computer is used to execute the various process steps and to control the various means of the apparatus.

    CHROMATIC CONFOCAL AREA SENSOR
    7.
    发明专利

    公开(公告)号:SG11202100316UA

    公开(公告)日:2021-02-25

    申请号:SG11202100316U

    申请日:2019-07-23

    Abstract: 3D measurements of features on a workpiece, such as ball height, co-planarity, component thickness, or warpage, are determined. The system includes a broadband light source, a microlens array, a tunable color filter, a lens system, and a detector. The microlens array can focus a light beam to points in a focal plane of the microlens array. The tunable color filter can narrow the light beam to a band at a central wavelength. The lens system can provide longitudinal chromatic aberration whereby different wavelengths are imaged at different distances from the lens system.

    APPARATUS AND METHOD FOR THREE DIMENSIONAL INSPECTION OF WAFER SAW MARKS
    8.
    发明申请
    APPARATUS AND METHOD FOR THREE DIMENSIONAL INSPECTION OF WAFER SAW MARKS 审中-公开
    WATER SAW MARKS三维检测装置及方法

    公开(公告)号:WO2012014092A3

    公开(公告)日:2012-04-05

    申请号:PCT/IB2011051572

    申请日:2011-04-12

    CPC classification number: G01B11/25 G01B2210/44 G01N21/9501 H01L22/12

    Abstract: An apparatus (1) and a method for the three dimensional inspection of saw marks (2) on at least one surface (3) of a wafer (4) are disclosed. At least one camera (6) is required to capture an image of the entire surface (3) of the wafer (4). At least one line projector (8) provides a light bundle (5), centered about a central beam axis (9). The line projector (8) is arranged such that the central beam axis (9) is at an acute angle (a) with regard to the plane (P) of the wafer (4). A line shifter (12) is positioned in the light bundle (5) between each line projector (8) and the surface (3) of the wafer (4). A frame grabber (14) and an image processor (16) are used to synchronize and coordinate the image capture and the position of the pattern (20) of lines (22) on the front side (3F) and/or the back side (3B) of the wafer (4).

    Abstract translation: 公开了一种用于在晶片(4)的至少一个表面(3)上对锯痕(3)进行三维检查的装置(1)和方法。 需要至少一个照相机(6)来捕获晶片(4)的整个表面(3)的图像。 至少一个投影仪(8)提供以中心光束轴线(9)为中心的光束(5)。 线投影仪(8)被布置成使得中心束轴线(9)相对于晶片(4)的平面(P)处于锐角(a)。 线移动器(12)位于每个线投影仪(8)和晶片(4)的表面(3)之间的光束(5)中。 使用帧抓取器(14)和图像处理器(16)来同步和协调图像捕获以及在前侧(3F)和/或背面(3F)上的线(22)的图案(20)的位置 3B)。

    APPARATUS, METHOD AND COMPUTER PROGRAM PRODUCT FOR DEFECT DETECTION IN WORK PIECES

    公开(公告)号:PH12017501024A1

    公开(公告)日:2018-03-05

    申请号:PH12017501024

    申请日:2017-06-02

    Abstract: An apparatus, a method and a computer program product for defect detection in work pieces is disclosed. At least one light source is provided and the light source generates an illumination light of a wavelength range at which the work piece is transparent. A camera images the light from at least one face of the work piece on a detector of the camera by means of a lens. A stage is used for moving the work piece and for imaging the at least one face of the semiconductor device completely with the camera. The computer program product is disposed on a non-transitory, computer readable medium for defect detection in work pieces. A computer is used to execute the various process steps and to control the various means of the apparatus.

    APPARATUS AND METHOD FOR THREE DIMENSIONAL INSPECTION OF WAFER SAW MARKS

    公开(公告)号:SG187136A1

    公开(公告)日:2013-02-28

    申请号:SG2013004254

    申请日:2011-04-12

    Abstract: An apparatus (1) and a method for the three dimensional inspection of saw marks (2) on at least one surface (3) of a wafer (4) are disclosed. At least one camera (6) is required to capture an image of the entire surface (3) of the wafer (4). At least one line projector (8) provides a light bundle (5), centered about a central beam axis (9). The line projector (8) is arranged such that the central beam axis (9) is at an acute angle (a) with regard to the plane (P) of the wafer (4). A line shifter (12) is positioned in the light bundle (5) between each line projector (8) and the surface (3) of the wafer (4). A frame grabber (14) and an image processor (16) are used to synchronize and coordinate the image capture and the position of the pattern (20) of lines (22) on the front side (3F) and/or the back side (3B) of the wafer (4).

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