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【求助】TECNAI SA&Mh模式的合轴???

透射电镜(TEM)

  • 我用的是TF20, 在SA模式下调gun tilt, gun shift,然后调ppx-y和rotation center;这些都调整完了以后,我增加放大倍数,进入Mh模式下,发现ppx-y又变坏了,我在此模式下调整后,在回到SA模式下发现还是需要调整.

    再次向各位达人请教一下, 是否TEM里改变模式时要重新合轴,还是我用的电镜合轴没有合好?
    是否像散也是这样,改变模式时要重新调整??

    谢谢了先!!
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  • heatwind

    第1楼2007/09/11

    哪位牛人出来吼一声把!

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  • mars9tw

    第3楼2007/10/11

    I think u need to check your procedure alignment(it's different with direct alignment), especially on Beam HM-TEM, probably there are some problems.
    (sorry I can't type simplified Chinese)

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  • heatwind

    第4楼2007/10/12

    So you think my TEM machine was not properly aligned.
    you know this machine was just aligned by FEI engineer a month ago.
    Before they left, they saved several aligned modes for me to use. If I realigned the HM-TEM beam, do you think it will affect those modes they saved?

    Anyway, thank you for your kindness!

    mars9tw 发表:I think u need to check your procedure alignment(it's different with direct alignment), especially on Beam HM-TEM, probably there are some problems.
    (sorry I can't type simplified Chinese)

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  • mars9tw

    第5楼2007/10/13

    Since they just aligned it, did you ask them about this problem?

    BTW, there is no such a problem in our Tecnai F30.

    heatwind 发表:So you think my TEM machine was not properly aligned.
    you know this machine was just aligned by FEI engineer a month ago.
    Before they left, they saved several aligned modes for me to use. If I realigned the HM-TEM beam, do you think it will affect those modes they saved?

    Anyway, thank you for your kindness!

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