本文研究了一种从废印刷线路板中提金的新方法。
A new technology of leaching gold out of printed circuit board was studied in this paper.
本文完成了印刷线路板图像检测的理论研究和部分实验工作,并且进行了系统的调试。
This paper has finished the theoretical investigation and part experiment investigation of using image PWB inspection, and has carried out system debugging.
传统印刷线路板的检测方法很大程度上依靠人工,这种落后的测试方法面临着严峻的挑战。
The traditional inspecting methods for PWB depend on manual work a lot, which are very underdeveloped and face austere challenge.
在电脑硬件上,它是接驳扩展印刷线路板的常用方法。
A most common method of connecting add-on printed circuit boards to computer hardware.
本公司是一家专业研发、生产、销售刚性及柔性印刷线路板的高科技企业。
The Company is a professional research and development, production and sales of rigid and flexible printed circuit boards of high-tech enterprises.
利用气流分选的方法对粉碎后的废弃印刷线路板中的金属与非金属进行了研究,粉碎后的颗粒在气流作用下按照密度与粒度进行分选。
The metal and non-metal of comminuted printed circuit board scrap was studied by the method of pneumatic separation, comminuted material were separated according to density and size by wind power.
用于挠性印刷线路板的具有基材的粘合片,其制造方法,多层挠性印刷线路板和挠性-刚性印刷线路板。
Adhesive sheet with base used for flexible printed circuit board, method for producing same, multilayer flexible printed circuit board, and rigid-flex printed circuit board.
然后建立了电阻、电容、电感、二极管、三极管、变压器和印刷线路板的高频模型,并提取模型参数。
This paper established the high-frequency models of resistors, capacitors, inductors, diodes and transistors, and extracted the high frequency distribution parameters of printed circuit board.
实用新型涉及一种智能在线多媒体测试电表,主要解决的问题,对在线测量的一间印刷线路板。
The utility model relates to an intelligent on-line multi-test electric meter , mainly solving the problem of on-line measurement of a printing wiring plate.
介绍了印刷线路板生产废水治理中的计算机控制系统,重点介绍了P LC在该系统中的作用。
This paper introduces the computer control system in waste water treatment in printing circuit board production and emphasizes the function of PLC in it.
覆铜箔层压板原纸是生产印刷线路板用全纸基覆铜箔层压板的基础材料,是一种生产难度较高的特种工业用纸。
The copper foil board base paper is the fundamental material to product the paper of printing line board, and also is a kind of higher degree special industrial paper.
印刷电路板上加绝缘环,消除了线路板绝缘电阻对放大电路输入阻抗的影响。
And insulating ring technology is adopted to further improve input impedance influenced by insulating resistance of printed circuit board.
适用于各种不同的加热对象:塑料、纸张、油漆、涂料、空气、纺织品、纸板、印刷线路板、皮革、橡胶、油料、陶瓷、玻璃等等。
Heating for a variety of objects: plastic, paper, paint, paint, air, textiles, cardboard, printed circuit boards, leather, rubber, oil, ceramics, glass and so on.
这样的材料在电子封装材料和印刷线路板中具有很大的应用前景。
The material is hopefully used as novel printed circuit board and package material of electronic components.
从电子产品设计的实用性出发,根据印刷线路板设计的合理性要求,对印刷线路板设计的可靠性进行分析和研究。
This paper makes an analysis and research on the reliability of the printing circuit board design, based on its rational demands and the practice and reality of electron product design.
本发明涉及一种干法回收分离印刷电子线路板(简写为pcb)的方法。
The invention relates to a method for recovering and separating a printing electronic circuit board (PCB for short) by a dry method.
本文以玻璃布为中心,介绍了八十年代以来国外印刷线路板用玻纤新产品与新技术的开发状况。
Development situations of new techniques and new type glass fiber products for printed circuit board since 80s abroad have been introduced in the paper. galss cloth as the main points.
本文介绍了在印刷线路板的冲孔模中,采用的液压卸料装置。
In the punching die of printed-circuit boards, a hydraulic stripper is used.
USL负责的单元是在线检测印刷线路板,该系统包括光,热,及X射线检测,同时还有超声C扫描检测。
The USL unit forms part of an automated line for inspection of assembled printed circuit boards, which includes automated optical, thermal and X ray testing as well as ultrasonic C scan examination.
随着信息时代的到来,废印刷线路板处理技术日益成熟,大量的废线路板非金属粉亟需处理。
Along with the maturity of processing technology of waste printed circuit boards (PCB), a great deal of non-metal materials in PCB need to be immediately treated.
用于电子元件特别是声学表面波元件的多路印刷线路板以及在多路印刷板上构造针脚焊点,焊接架,隔片等的方法。
Multiple printed circuitboard for electronic components esp. acoustic surface wave elements, and method for constructing bumps, soldering frames, spaces on said multiple printed circuitboard.
由于印刷线路板的线宽和线间间隔的细微化,以往不引人注意的离子迁移现象已经对线路板的绝缘性能造成影响。
Due to the wire width and the space between wires on PWB becoming finer the insulating capability of PWB is affected by ionic migration, that was not paid enough attention to for a long time.
我公司是生产挠性印刷线路板的专业化企业。
Our company is a professional FPC (Flexible Printed Circuit Board) factory.
从化学镀锡液的基本组成、工艺特点、反应过程及应用等几方面简述了近年来化学镀锡在印刷线路板制备中的研究进展。
The compositions and controlling conditions of the bath, depositing mechanism and applications of electroless tin in fabrication of printed circuit boards in recent years are reviewed.
研究了废弃印刷线路板的主要成分在机械处理过程中的物理性质的变化。
The variety of physical properties of PCBs during mechanical treatment has been studied.
分析了液压卸料装置的结构及应用。说明了液压卸料装置在印刷线路板冲孔模中有很好的应用前景。
This paper analyzes the structure and its application of the stripper and shows a very good perspective application of the hydraulic stripper in the punching die of printed-circuit boards.
可用于各式印刷线路板镀金,并可作为电子产品的自催化化学镀厚金前的顶覆金层。
The technology not only can be applied to the gold plating of all kinds of printed circuit board, but also can be used to pro…
嵌入式无源元件技术能够实现对电容、电感等无源元件在印刷线路板内部的嵌入式封装,从而节省线路板表面空间、提高封装密度。
The embedded passive technology can save the real estate on the surface of the printed-circuits-boards (PCBs) by embedding the capacitors and inductors inside the PCBs.
采用气流分选技术对破碎解离后的废弃印刷线路板进行分离富集,重点考察了不同粒径下气流分选富集金属的效果。
The pneumatic separation technology for the separation and enrichment of metal in the waste printed circuit board scraps is investigated.
采用气流分选技术对破碎解离后的废弃印刷线路板进行分离富集,重点考察了不同粒径下气流分选富集金属的效果。
The pneumatic separation technology for the separation and enrichment of metal in the waste printed circuit board scraps is investigated.
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