• X-ray是什么?

    X-ray是什么?

    X-ray,即X射线。X射线是一种波长极短,能量很大的电磁波,X射线的波长比可见光的波长更短(约在0.001~100纳米,医学上应用的X射线波长约在0.001~0.1纳米之间),它的光子能量比可见光的光子能量大几万至几十万倍。 X射线因其波长短,能量大,照在物质上时,仅一部分被物质所吸收,大部分经由原子间隙而透过,表现出很强的穿透能力。其穿透能力的强弱,与x射线的波长以及被穿透物质的密度和厚度有关。x射线波长愈短,穿透力就愈大;密度愈低,厚度愈薄,则x射线愈易穿透。 医学上常用作透视检查,工业中用

    2019-05-09

  • Application of X-ray nondestructive flaw detector in foundry industry

    Application of X-ray nondestructive flaw detector in foundry industry

    Application of X-ray nondestructive flaw detector in foundry industry At present, many domestic aluminum alloys, hardware parts, automobile wheels, etc. in the die-casting industry, the internal air holes and internal shrinkage holes in the die cas

    2019-03-29

  • How to judge BGA with X-Ray?

    How to judge BGA with X-Ray?

    How to judge BGA by X-Ray? Ailant SMT Test Series: Standard BGA: 1, image 1, 2 at the joint tin, the reason analysis: there is a problem in the printing solder paste, need to detect the printing link; 2, image 3, there is a jag

    2019-03-27

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