coplanarity

Laser visual inspection system and evaluating method for grid array device coplanarity

栅状阵列器件激光视觉检测系统及共面性评价方法

Laser Scanning On Line Inspection System for Ball Grid Array Coplanarity Measurement

用于BGA共面性检测的激光扫描在线测试系统

The results show that better coplanarity can lead to better optical properties . 3 .

结果显示，更好的共平面性，可以带来更好的光学性质。

A Calibration Method for Vision Sensor Based on Coplanarity

基于共面法的视觉传感器的标定方法

Structural light projection technique for measuring ball grid array coplanarity

BGA焊点共面度的特殊结构光投影测量技术

Design and Realization of Coplanarity Photoelectric Online Detecting Instrument for Pins of SO Chip

SO型芯片引脚共面性在线光电质检仪的设计与实现

A shadow moire technique by changeable light source for BGA coplanarity measurement

BGA引脚共面度的变光源阴影莫尔测量技术

There are more than three operations to test the coplanarity of two guide rails though it is so small size .

有超过三个行动，以测试共面两导轨虽然是这么小的规模。

Sufficient & Necessary Conditions for the Equivalence of Collinearity or Coplanarity of Vectors and Points

矢量与点的共线或共面充要条件的等价性

The second catalog is constraints among geometric elements , which include common control point constraint , coplanarity constraint and symmetry constraint .

另一类是服装几何元素本身之间的共点、共面与对称约束。

The results indicate that the kind and position of the substituents in aniline ring greatly affected the conjugation system and coplanarity of the products .

结果表明，苯环上取代基的种类及位置对化合物分子的共轭体系及共平面程度有较大影响。

A new algorithm for vision location is proposed on the condition of camera fixation and coplanarity , which does not require computation camera calibration and homography matrix .

针对摄像机固定和共面约束条件下进行目标定位，提出了一种简单可行的全新算法。该算法避开了烦琐的摄像机标定这一过程，也不用精确地求解单应性矩阵。

Solder joint reliability is highly dependent on solder ball height uniformity / coplanarity , so it is very important to measure the height of solder balls on chips .

BGA焊点的可靠性与芯片上焊球高度的一致性（共面度）息息相关，因此需要测量芯片上焊球的高度值。

The paper presented the LASER measurement system of coplanarity . In the system , a motion card is used to drive two servo motors of the X-Y table , and the LASER sensor is on the table .

本文主要介绍了激光在平面度测量上的应用，系统通过运动控制卡驱动X-Y平台的伺服马达，带动激光感应器运动。

The gold stud bump of good coplanarity can be manufactured on condition that the ball bonding is good and the movement of capillary keeps consistent , and it validate the feasibility of finite element simulation of capillary shearing wire .

表明若能将金球较好地焊接到基板上面且劈刀运动的方位一致，就能制作出共面性一致的钉头金凸点，验证了劈刀剪切断丝有限元模拟的正确性。