The Control section of relay is adopted the welding structure of printed circuit board, it reduces wiring of control box, improves reliability of electric control. 继电器控制部分采用印刷板焊接结构,减少了控制箱的接线,提高了电器控制的可靠性。
All the data can be transmitted and shared among all controllers by scanning printed code and on data wiring. 其数据可以通过扫条码以通过数据线传递,实现传递和共享。
Study on comminution performance of waste printed wiring boards at ambient temperature 废印刷线路板的常温粉碎特性研究
Printed Wiring Boards Constructed With Copper-Invar-Copper 具有铜殷钢铜结构的印制线路板
Review of the physical treatment of waste printed wiring boards in China 我国废弃线路板的物理处理技术评述
Recovery of Cu from waste printed wiring boards ( PWBs) was studied by crushers and electrostatic separator. 采用破碎机和高压电选机对废印刷线路板中金属Cu进行回收。
Featuring huge amount, high potential economic value and great impact on environment, the reutilization of waste Printed Wiring Boards ( PWBs) is of magnificent recovery value and environmental protection advantages. 废弃线路板具有数量大、潜在价值高和环境危害大等特点,使得废弃线路板的资源化具有重要的经济回收价值和环境保护意义。
The Questions in Designing Printed Wiring Board and the Solutions 设计印制线路板应注意问题及解决方法
This paper introduces the electromagnetic compatibility design of the speed regulation system of switched reluctance motor from aspects of inhibition of electric network noise, inhibition of power circuit disturb, manufacture of printed circuit board and systemic wiring, etc., discusses technological measures of inhibition electromagnetic disturb. 从电网噪声抑制、功率电路干扰抑制、印刷电路板制作及系统布线等方面介绍了开关磁阻电动机调速系统电子控制器的电磁兼容设计及其抑制电磁干扰的技术措施。
Advanced packaging technology represented by CSP and the development of build up-type multilayer printed wiring board ( PWB) that make such high-density packaging possible are making greatly progress. 以CSP为代表的先进封装技术和可以实现高密度封装的确积层多层板的开发已经取得了很大的进步。
Conventional printed wiring boards ( PWBs) are not satisfactory substrates for LCCCs because the mismatch in thermal coefficient of expansion ( TCE) causes solder joints to crack. 普通印制板(PWB)对于无引线陶瓷芯片载体不是满意的基板,因为热膨胀系数(TCE)不匹配能引起铅焊处开裂。
Pulverization Characteristics and Pulverizing of Waste Printed Circuit Boards ( Printed Wiring Boards) Based on Resource Utilization 基于可资源化的废弃印刷线路板的破碎及破碎性能
Extraction of gold from printed wiring board solution with polyethylene glycol-ammonium sulphate aqueous two-phase system 聚乙二醇-硫酸铵双水相萃取废弃印刷线路板处理液中的金
This paper described the principles of the components distributing and numbering, the principles of making the size, aperture, land and printed wiring certain in the design of printed circuit board. It may help technicians to make perfect design for engineering. 详细阐述了印制电路板设计中的元器件分布,编号原则以及印制电路板尺寸、孔、连接盘、线的确定原则,可为技术人员进行完善的工程设计提供帮助。
Study on Anticorrosion quality of printed wiring board assembly of oceanographical instruments by salt-mist test 用盐雾试验检验海洋仪器装配板耐腐蚀性能的研究
Automatic Etchant Regeneration and Copper Recovery in Printed Wiring Bord Manufacture 印刷电路板生产中自动化腐蚀剂的再生和铜的回收
Re-routing algorithms for Double-layer Printed wiring boards 双层板布线的重布线算法
Study on Recovery of Copper from Waste Printed Wiring Boards by Electrostatic Separation 电选法回收废印刷线路板中金属Cu的研究
Copper Foil for the High Density and Super Fine Pattern Printed Wiring Board 高密度超精细线路印制板用铜箔
Development for Optical-electrical Printed Wiring Boards ( 2) 光&电线路板的研究进展(中)
This paper analyses some details in different phases of designing printed wiring board and correct designing steps also introduces some possible questions of laying lines, various noises and the solutions. 分析在印制线路板设计各个阶段中应注意的细节和正确的设计步骤,给出可能遇到的布线问题,噪声种类及其解决方法。
Impedance Controlling Printed Wiring Board Design Technology for High Frequency Electronic Machine 适用于高频电子机器的阻抗控制印制线路板设计技术
Specifically, the characteristics of two-layer printed circuit board wiring, ground wire wiring rules, interference suppression and considerations are considered. Third, the design process of half-bridge LLC resonant converter is presented. 具体分析了双层印刷电路板的布线特点,地线布线规则、干扰抑制问题以及注意事项。其次,详尽地分析了LLC半桥谐振开关电源的设计过程。
Comprehensive consideration to the choice of components, printed circuit wiring, and interference. 从元器件的选择、印刷电路布线,到抗干扰方面进行综合考虑。
Secondly, a transformer based on planar core and the ML-PCB ( multi-layer printed circuit board) winding is designed, so that wiring of the transformer windings is more flexible, accurate, and improved the conformance of the distributed ( parasitic) parameters of the transformer mass. 其次,设计了基于平面铁芯和ML-PCB(多层印制电路板)绕组的变压器,该变压器使绕组布线更加灵活、精准,提高了变压器批量生产时其分布参数的一致性。
Hardware PCB ( Printed circuit board, PCB) design, equipment size and wiring requirements as full consideration in the design and signal integrity problems cascading basis, to multilayer design ( 8 layers). 硬件PCB(printedcircuitboard,PCB)设计,由于设备尺寸和布线要求在充分考虑层叠设计和信号完整性问题基础上,采取多层板设计(8层)。