A mathematical model basic on Newtonian fluids and lubrication theory for print circuit board was built for the process of fine screen printing.
在印制电路板上的应用尤为突出,而且向着更精更细的方向发展。
This paper mainly introduced electromagnetic compatibility problem that needs to be considered while designing print circuit board,and explain the reason of the problem produced.
主要介绍了在设计印制电路板时需要考虑的电磁兼容问题,并说明产生问题的原因。
The discussion about the question of treating sullage from the practice and train room of printed circuit board;
印制电路板实训室污水处理问题的探讨
Questions about the designing of printed circuit board;
印制电路板设计应注意的几个问题
Discussion About the Designing Work of Printed Circuit Board;
印制电路板设计工作的探讨
High Precision Screen Printing of Resistors on PCB;
精密网印在印制电路板内埋电阻中的应用
Study on a Way Which was Based on Protel to Predict the Reliability of PCB by Computer;
基于Protel的印制电路板可靠性预计计算机辅助方法研究
PCB Diagnostic Technique Based on Infrared Thermal Imaging;
印制电路板(PCB)的红外热像诊断技术
Electrical design engineers are well aware of the problems caused by differences between CAE and CAD data fills for printed circuit board (PCB) designs.
电子设计工程师可以发现由于在CAE和CAD数据之间的差异所引发的问题,从而满足印制电路板(printedcircuitboard简称PCB)的设计要求。
Printed Circuit Board (PCB) is the substrate and key interconnection piece for assembling electronic parts.
印制电路板(即Printed Circuit Board,简称PCB)是组装电子零件装载的基板和关键互连件,是任何电子设备或产品不可或缺得必要组成部分,有着“电子产品之母”之称。
In view of the definition of design for manufacture(DFM) and the valor software trilogy 5000 this paper explained the necessity of the DFM of printed circuit board(PCB).
从可制造性设计(DFM)的定义和trilogy 5000软件开始,说明了印制电路板(PCB)板级DFM的必要性。
The method and the principle in the printed circuit board(PCB)routing,the power wire and the ground wire design method,the correct ap- plication of the anti-interference components,reasonable components arrange and the connection principle be- tween boards are presented in order to reduce or remove the common EMI in PCB design i.
通过阐述印制电路板(PCB)的布线方法与原则、电源线与地线的设计方法、抗扰器件的正确运用、合理布置元器件及板间线的配线原则,从而在实际应用中达到减少或消除电路印制板设计中常见的干扰,提高设备的可靠性与电磁兼容性。
Key technical parameters for the laser projection system and the laser illumination system in the laser projection imaging(LPI) equipment used for printed circuit board(PCB) are analyzed.
对用于印制电路板(PCB)工业化生产的激光投影成像装置中的激光投影系统和激光照明系统的关键技术参数进行了分析,在对装置整体性能设计要求下,理论推导和分析了符合实际场景的关键技术参数,包括分辨率、焦深、物镜结构、激光光源、照明相干度、像素密度和曝光时间,得到了相关的具有一定参考价值的结论。
printed circuit board portable tester
印制电路板袖珍测试器
interlayer contact
层间接触-印制电路板的
interlayer continuity
层间连接-印制电路板的
A ( non-removable ) printed circuit board to which other ( remov able ) printed circuit boards connect.
一种(固定的)印制电路板,其它的印制板电路板就连到这块板上。
Procedure and Key Technical Points of Screen Printing for Printed Circuit Board
印制电路板丝网印刷工艺和技术要点
copper foil laminate
铜箔叠层板-印制电路板的
Application of EMC Design in PCB
电磁兼容设计在印制电路板中的应用
Application of New and High Technique in Electroplating for Printed Circuit Board
高新技术在印制电路板电镀中的应用
Come to Understand Cleaner Production Standard--PCB Manufacturing
印制电路板制造业清洁生产标准理解
Series for printed boards outside dimension
GB/T9315-1988印制电路板外形尺寸系列
infrared fault diagnosis tester for printed circuit board
印制电路板故障红外诊断测试仪
A replaceable printed circuit board.
一种可替换的印制电路板。
Advanced Drilling Technology of Micro-Via in PCB
印制电路板超细微钻孔先进加工技术
Finite Element Analysis and Optimization of Printed Circuit Board;
印制电路板有限元分析及其优化设计
Printed circuit board design based on Protel99;
基于PROTEL99的印制电路板设计
Disassembly Technology and Disassembly Process of Waste Printed Circuit Boards:a State-of-the-art
印制电路板拆解技术与拆解工艺综述
Recycle of Spent Acidic Etchant for Printed Circuit Board
印制电路板酸性蚀刻废液的回收利用
Effect of ESD on Insulating Characteristic of PCB
ESD对印制电路板绝缘性能的影响
