Galvanic current method for measuring electrodeposition velocity of immersion silver plating for printed circuit board;
一种新的印刷电路板浸银镀速的测定方法
Finishing of printed circuit board in ethylenediamine-containing immersion silver system;
印刷电路板的乙二胺络合浸镀银工艺
Integrated treatment and reuse of wastewater from printed circuit board production;
印刷电路板生产废水的综合治理及废水回用
The Recovery of EDTA in Waste PCB Chemical-copper Solution;
印刷电路板化学镀铜液回收EDTA的研究
The Strain Electrical Measurement of Automatism Incising Machine with PCB;
自动切割机切割印刷电路板应变电测量
Hardware System of PCB Flying Probe Checking up System;
印刷电路板飞针检测硬件系统
This paper recommends some methods to improve the performance of digital system when designing printed circuit board(PCB).
针对高速、高精度数字系统对电磁兼容性的严格要求,分析了系统电源、地的重要性以及影响高速模数转换器(ADC)和数模转换器(DAC)电路性能的主要因素;在设计印刷电路板时,采用隔离数字部分与模拟部分、抑制地弹噪声等方法优化系统电源,通过改善ABC、DAC电路的供电方式、优化采样时钟和高速数字信号线来提高系统抗电磁干扰的能力;并比较了一个失败案例和一个成功案例,后者较前者带外抑制指标提高约15dB,表明采用所述方法可以有效改善数字系统的电磁兼容性。
Research on Defect Detecting Technology of Printed Circuit Borad;
基于图像处理的印刷电路板缺陷检测技术研究
PCB Defect Inspection and Marking Based on X-ray Image
基于X射线图像印刷电路板缺陷检测和标记技术
Design and Research of Machine Vision Based Defect Inspection System on Printed Circuit Board
基于机器视觉的印刷电路板缺陷检测系统的设计与研究
Automatic Defects Inspection System of Printed Circuit Board Based on Vision;
基于视觉的印刷电路板缺陷自动检测系统
The Study of Defect Inspection of Special Medium PCB by Computer Vision;
特殊介质印刷电路板缺陷视觉检测系统的研究
How Carry on Defect Inspection to the Surface Mount Technology Printed-Circuit Board;
如何对表面贴装印刷电路板(SMT PCB)进行缺陷检查
Simulation and Detection of Printed Circuit Board Based on CAD;
对基于CAD的印刷电路板仿真与检测
The Study of Naked Board and Sticked Parcel Components on Printed Circuit Board;
印刷电路板光板和贴片组件检测系统的研究
The Design and Research of Automatic Optical Inspection System for Printed Circuit Board;
印刷电路板自动光学检测系统的设计与研究
Research on the Approach of Real Time Visual Inspection of PCB Defective Image
印刷电路板瑕疵在线实时检测方法的研究
printed circuit board
ph.1. 印刷电路板
printed circuit boards, PCBs, integrated circuitry diagrams
印刷电路板, 印刷电路板, 集成电路图
Research on Presswork's Real-Time Defects Detection Based on Linear CCD Camera;
基于线阵CCD的印刷品缺陷在线检测方法研究
The Real-time Defect Detection System Design for Presswork Based on Machine Vision Technology;
基于机器视觉的印刷品缺陷在线检测系统设计
Algorithm Study on the Automatic Detection System for Image Defects of Color Printer;
彩色印刷品图像缺陷自动检测系统算法的研究
Research on Defect Detection System for Printed Matter Based on Machine Vision Technology;
基于机器视觉的印刷品缺陷检测系统研究
Online Defects Detection System for Print Products Based on Image Processing
基于图像处理的印刷品在线缺陷检测系统
Design of Real-time System for Presswork Defect Detection Based on DSP
基于DSP的印刷品缺陷在线检测系统设计
