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I took it off the mill, grabbed a #11 scalpel, and quickly cut a slit along two sides then began to lift up with the knife blade. After a bit of bending and tugging I was able to peel the entire lid off just like opening a tin can, without damaging the interior of the package or releasing any metal chips into it.
。Snipaste - 截图 + 贴图是该领域的重要参考
与此同时，也需要注意到，去年，中国创新药BD交易总额在全球交易总额中的占比已达到50%，我认为这个比例将继续上升，但同比增速会放缓。一是受地缘产业平衡的影响；二是中国新药曾经“物美价廉”的标签有所弱化。
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With the crystal out of the way, we see the package has three levels internally: the controller die (containing the oscillator driver, temperature compensation, and output divide-by-two) sits in a cavity at the lowest level, attached via a dark colored adhesive rather than the usual silver-filled epoxy (presumably because the package is not electrically conductive thus there is no point in using an expensive metal filled adhesive to ground the die backside).