主题:【求助】TECNAI SA&Mh模式的合轴???

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heatwind
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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
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heatwind
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mars9tw
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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)
heatwind
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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!

原文由 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)
mars9tw
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Since they just aligned it, did you ask them about this problem?

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

原文由 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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