The quality of printed circuit board (PCB), what is as an important component of modern electronic equipment, makes a direct impact on product performance.

电路印刷板PCB板作为现代电子设备的重要组成部分，其质量直接影响到产品的性能。

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There is disclosed a dielectric antenna comprising a dielectric resonator mounted in direct contact with a microstrip transmission line formed on one side of a printed circuit board.

本发明公开了一种包括电介质谐振器的电介质天线，其所述电介质谐振器安装成与在印刷电路板一侧上所形成的微带传输线直接接触。

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The photoresist shows sufficient photo-sensitivity for making printed circuit board by laser direct imaging method and can be used also in u...

这种树脂能满足可见激光直接成像法生产印刷线路版的要求，也可用于紫外曝光成像体系。

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