公开(公告)号：US07397551B2

公开(公告)日：2008-07-08

申请号：US11308428

申请日：2006-03-24

Applicant: Ling-Hua Que ,  Zhong-Kui Yuan ,  Wei Xu ,  Xiao-Bo Xin ,  Kuei-Yang Lin

Inventor： Ling-Hua Que ,  Zhong-Kui Yuan ,  Wei Xu ,  Xiao-Bo Xin ,  Kuei-Yang Lin

IPC: G01N21/00

CPC classification number: G01B21/042 ,  Y10S359/90

Abstract: A method for verifying scan precision of a laser measurement machine includes the steps of: preparing a standardized BGA model; measuring Z coordinates values of each solder ball peak of the BGA model for certain times; determining a Z coordinates conventional true value of each solder ball peak; measuring X, Y coordinates values of each solder ball centre of the BGA model; determining a coplanarity conventional true value of a seating-plane; determining an optimum scanning mode; determining optimum scanning parameters under the optimum scanning mode; scanning the BGA model under the optimum scanning parameters and the optimum scanning mode; obtaining X, Y, Z coordinates values of each solder ball peak; evaluating the veracity of Z coordinates of each solder ball peak; evaluating the veracity and repetitiveness of coplanarity; and evaluating scan precision of the laser measurement machine.

Abstract translation: 一种用于验证激光测量机的扫描精度的方法包括以下步骤：准备标准化的BGA模型; 测量BGA模型的每个焊球峰值Z坐标值一定时间; 确定每个焊球峰值的Z坐标常规真值; 测量BGA型号每个焊球中心的X，Y坐标值; 确定座面平面的传统真实值的共面性; 确定最佳扫描模式; 在最佳扫描模式下确定最佳扫描参数; 在最佳扫描参数和最佳扫描模式下扫描BGA型号; 获得每个焊球峰值的X，Y，Z坐标值; 评估每个焊球峰值的Z坐标的真实性; 评估共同性的真实性和重复性; 并评估激光测量机的扫描精度。

公开(公告)号：US07256896B2

公开(公告)日：2007-08-14

申请号：US11308319

申请日：2006-03-16

Applicant: Ling-Hua Que ,  Zhong-Kui Yuan ,  Wei Xu ,  Xiao-Bo Xin ,  Kuei-Yang Lin

Inventor： Ling-Hua Que ,  Zhong-Kui Yuan ,  Wei Xu ,  Xiao-Bo Xin ,  Kuei-Yang Lin

IPC: G01B11/30 ,  G02B26/08

CPC classification number: G01B21/042 ,  Y10S359/90

Abstract: A method for verifying scan precision of a laser measurement machine includes the steps of: preparing a transparent flat, of which the flatness of each plane is regarded as a flatness conventional true value; determining an optimum scanning mode; determining optimum scanning parameters under the optimum scanning mode; scanning the transparent flat under the optimum scanning mode and the optimum scanning parameters for certain times, and obtaining measuring data; calculating a plurality of flatness values using the measuring data; calculating an average value and a standard deviation of the flatness values, and a bias between the average value and the flatness conventional true value; evaluating the repetitiveness of the laser measurement machine according to the standard deviation; and evaluating the veracity of the laser measurement machine according to the bias.

Abstract translation: 一种用于验证激光测量机的扫描精度的方法包括以下步骤：准备透明平面，其中每个平面的平面度被认为是平坦度的常规真实值; 确定最佳扫描模式; 在最佳扫描模式下确定最佳扫描参数; 在最佳扫描模式和最佳扫描参数下扫描透明平板一定时间，并获取测量数据; 使用所述测量数据计算多个平坦度值; 计算平均值的平均值和标准偏差，平均值与平坦度之间的偏差为常规真值; 根据标准偏差评估激光测量机的重复性; 并根据偏差评估激光测量机的真实性。

公开(公告)号：US07433797B2

公开(公告)日：2008-10-07

申请号：US11308314

申请日：2006-03-16

Applicant: Ling-Hua Que ,  Zhong-Kui Yuan ,  Wei Xu ,  Xiao-Bo Xin ,  Kuei-Yang Lin

Inventor： Ling-Hua Que ,  Zhong-Kui Yuan ,  Wei Xu ,  Xiao-Bo Xin ,  Kuei-Yang Lin

IPC: G01C9/00

CPC classification number: G01B21/042

Abstract: A method for verifying scan precision of a laser measurement machine includes the steps of: preparing a standardized 3D profile model; determining an ideal curved surface as a conventional true value of the standardized 3D profile model; scanning the standardized 3D profile model by the laser measurement machine and obtaining point cloud data; calculating a bias between each point in the point cloud and the ideal curved surface; evaluating the veracity of the laser measurement machine by using the largest bias; and evaluating the receptiveness of the laser measurement machine.

Abstract translation: 一种用于验证激光测量机的扫描精度的方法包括以下步骤：准备标准化3D轮廓模型; 确定理想曲面作为标准化3D轮廓模型的传统真值; 通过激光测量机扫描标准化3D轮廓模型，获得点云数据; 计算点云中每个点与理想曲面之间的偏差; 用最大偏差评估激光测量机的真实性; 并评估激光测量机的接受度。

公开(公告)号：US20060227443A1

公开(公告)日：2006-10-12

申请号：US11308319

申请日：2006-03-16

Applicant: Ling-Hua Que ,  Zhong-Kui Yuan ,  Wei Xu ,  Xiao-Bo Xin ,  Kuei-Yang Lin

Inventor： Ling-Hua Que ,  Zhong-Kui Yuan ,  Wei Xu ,  Xiao-Bo Xin ,  Kuei-Yang Lin

IPC: G02B7/00

CPC classification number: G01B21/042 ,  Y10S359/90

Abstract: A method for verifying scan precision of a laser measurement machine includes the steps of: preparing a transparent flat, of which the flatness of each plane is regarded as a flatness conventional true value; determining an optimum scanning mode; determining optimum scanning parameters under the optimum scanning mode; scanning the transparent flat under the optimum scanning mode and the optimum scanning parameters for certain times, and obtaining measuring data; calculating a plurality of flatness values using the measuring data; calculating an average value and a standard deviation of the flatness values, and a bias between the average value and the flatness conventional true value; evaluating the repetitiveness of the laser measurement machine according to the standard deviation; and evaluating the veracity of the laser measurement machine according to the bias.

Abstract translation: 一种用于验证激光测量机的扫描精度的方法包括以下步骤：准备透明平面，其中每个平面的平面度被认为是平坦度的常规真实值; 确定最佳扫描模式; 在最佳扫描模式下确定最佳扫描参数; 在最佳扫描模式和最佳扫描参数下扫描透明平板一定时间，并获取测量数据; 使用所述测量数据计算多个平坦度值; 计算平均值的平均值和标准偏差，平均值与平坦度之间的偏差为常规真值; 根据标准偏差评估激光测量机的重复性; 并根据偏差评估激光测量机的真实性。

公开(公告)号：US20060221349A1

公开(公告)日：2006-10-05

申请号：US11308314

申请日：2006-03-16

Applicant: Ling-Hua Que ,  Zhong-Kui Yuan ,  Wei Xu ,  Xiao-Bo Xin ,  Kuei-Yang Lin

Inventor： Ling-Hua Que ,  Zhong-Kui Yuan ,  Wei Xu ,  Xiao-Bo Xin ,  Kuei-Yang Lin

IPC: G01B11/24

CPC classification number: G01B21/042

Abstract: A method for verifying scan precision of a laser measurement machine includes the steps of: preparing a standardized 3D profile model; determining an ideal curved surface as a conventional true value of the standardized 3D profile model; scanning the standardized 3D profile model by the laser measurement machine and obtaining point cloud data; calculating a bias between each point in the point cloud and the ideal curved surface; evaluating the veracity of the laser measurement machine by using the largest bias; and evaluating the receptiveness of the laser measurement machine.

Abstract translation: 一种用于验证激光测量机的扫描精度的方法包括以下步骤：准备标准化3D轮廓模型; 确定理想曲面作为标准化3D轮廓模型的传统真值; 通过激光测量机扫描标准化3D轮廓模型，获得点云数据; 计算点云中每个点与理想曲面之间的偏差; 用最大偏差评估激光测量机的真实性; 并评估激光测量机的接受度。

公开(公告)号：US20060215150A1

公开(公告)日：2006-09-28

申请号：US11308428

申请日：2006-03-24

Applicant: Ling-Hua Que ,  Zhong-Kui Yuan ,  Wei Xu ,  Xiao-Bo Xin ,  Kuei-Yang Lin

Inventor： Ling-Hua Que ,  Zhong-Kui Yuan ,  Wei Xu ,  Xiao-Bo Xin ,  Kuei-Yang Lin

IPC: G01N21/88 ,  G01B11/24

CPC classification number: G01B21/042 ,  Y10S359/90

Abstract: A method for verifying scan precision of a laser measurement machine includes the steps of: preparing a standardized BGA model; measuring Z coordinates values of each solder ball peak of the BGA model for certain times; determining a Z coordinates conventional true value of each solder ball peak; measuring X, Y coordinates values of each solder ball centre of the BGA model; determining a coplanarity conventional true value of a seating-plane; determining an optimum scanning mode; determining optimum scanning parameters under the optimum scanning mode; scanning the BGA model under the optimum scanning parameters and the optimum scanning mode; obtaining X, Y, Z coordinates values of each solder ball peak; evaluating the veracity of Z coordinates of each solder ball peak; evaluating the veracity and repetitiveness of coplanarity; and evaluating scan precision of the laser measurement machine.

Abstract translation: 一种用于验证激光测量机的扫描精度的方法包括以下步骤：准备标准化的BGA模型; 测量BGA模型的每个焊球峰值Z坐标值一定时间; 确定每个焊球峰值的Z坐标常规真值; 测量BGA型号每个焊球中心的X，Y坐标值; 确定座面平面的传统真实值的共面性; 确定最佳扫描模式; 在最佳扫描模式下确定最佳扫描参数; 在最佳扫描参数和最佳扫描模式下扫描BGA型号; 获得每个焊球峰值的X，Y，Z坐标值; 评估每个焊球峰值的Z坐标的真实性; 评估共同性的真实性和重复性; 并评估激光测量机的扫描精度。