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# Area plots of Bt and Bn

- To: femm@egroups.com
- Subject: Area plots of Bt and Bn
- From: peter.ceelen@ct.boc.com
- Date: Thu, 14 Sep 2000 15:38:02 -0000
- User-agent: eGroups-EW/0.82

    I am using FEMM to evaluate magnetic designs of planar magnetron
    sputtering sources and I have a particular interest in the tangential
    and normal components of the magnetic field. The color plot of the
    total magnetic field is useful to look at but I am wondering if you
    might consider adding an enhancement that would provide a similar
    display of Bt or Bn with respect to the horizontal (or a user defined
    line). Presently I am making these area plots by exporting text
    files of Bt or Bn plots along a series of incrementally spaced
    horizontal lines into Excel and manipulating the data there. This
    can be rather time consuming when I have a lot of models to
    evaluate. As an alternative is there any way I can export a grid or
    matrix of the B vector values (x, y, strength and direction) into
    Excel so that I can parse out the Bt and Bn?

    If such an enhancement is not being considered I might be tempted to
    modify the code (if that is allowed) in FEMM. My practical
    programming experience is rather limited but I might be able to learn
    it or recruit someone who has sufficient experince and knowledge.

    As an additional comment I am finding the results from FEMM match
    very closely with actual conditions when I build the device and
    measure the fields.

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