The feasibility of the application of polyvinyl alcohol (PVA) to printed wiring board was studied.

研究了PVA在电路板印刷中的应用可行性。

Photosensitive resin composition, photosensitive element, method for forming resist pattern and method for producing printed wiring board.

感光性树脂组合物，感光性元件，光致抗蚀图形的形成方法及印刷电路板的制造方法。

Therefore, the interlayer connecting section is compressed, and the multilayer printed wiring board having high connection reliability is obtained.

由此，得到一种层间连接部被压缩且具有高连接可靠性的多层印刷线路基板。

Other core activities are fire and safety testing of cables, and quality evaluation and failure analysis of printed wiring boards and electromechanical components.

其他的主要服务是提供线缆产品的防火及安全测试，线路板产品和电化学零部件产品的质量评估及失效分析。

The PCQR2 Database provides a statistically valid means to compare and contrast the capability, quality, and relative reliability of Printed Wiring Board fabricators.

PCQR2数据库提供了一种有效的统计方法，可以用来比较和对照各电路板制造商在制程能力、品质以及相应可靠性方面的差异。

The adhesive sheet (5) for fixing the flexible printed wiring board (4) to the fixing sheet (6) has a pressure-sensitive layer at least on one side of its porous base.

将柔性印刷电路（4）固定在固定板（6）上的 胶粘剂片（5）在其多孔基材的至少一侧具有压敏胶粘剂层。

Arranging chip capacitors (20) in a printed wiring board (10) makes it possible to reduce the distance between an IC chip (90) and the chip capacitor (20) and to reduce the loop inductance.

因为在印刷布线板10内设置了片状电容器20，所以能够缩短IC芯片90与片状电容器20的距离，降低环线电感。

A metal composite film that excels in heat resistance and adhesion, being suitable for use in a flexible printed wiring board capable of minute wiring formation; and a process for producing the same.

本发明公开了耐热性和粘合性优异的可以形成微细布线的适于挠性印制线路板的金属复合膜及其制造方法。

The utility model relates to a socket for integrated components. The utility model is an improved structure which is convenient for printed circuit wiring and has scientific and reasonable wiring.

本实用新型涉及一种集成组件的插座，是一种便于印刷电路板布线且使布线科学合理的改进结构。

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。

It includes wiring of printed circuit board, electric capacity coupling, tolerance of digital circuit noise, and transmission line.

其中包括对印制板的布线、电容性耦合、数字电路的噪声容限和传输线的探讨。

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。

An automatic routing program system for the wiring of multilayer printed-circuit backplanes is presented in this paper.

此文介绍一个多层印制底板自动布线程序系统。

The experiment of leaching gold in abandoned printed-wiring board with thiourea indicates that gold leaching with thiourea is possible and effective.

试验研究了采用硫脲法有效地从废弃印刷线路板中回收金。