piclist 2008\08\05\210540a >
Thread: Magnetic field viewing film - bistable, high resolution
www.piclist.com/techref/index.htm?key=magnetic+field+viewing
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face BY : Cedric Chang email (remove spam text)



> http://oersted.com/magnetic_viewing_film.shtml
>
> Relatively inexpensive - 1 square foot is $40.  A 3"x3" patch is
> $4.50.  I could see using this as poor man's e-paper - perhaps making
> a high resolution line solenoid array, drawing the 'paper' through,
> and using it until it needs new information.


Once you have "written" to this film, how long does the image last ?
How sensitive is it to temperature ?  1)  as far as retaining the  
image   2) as far as writing the image ?
How much light does the film pass through it ?  Could you project an  
image with an overhead projector ?

cc

<27FBE823-943F-4A0A-B8F1-B29CA097EEAB@nope9.com> 7bit

In reply to: <Pine.LNX.4.64.0808051459540.9847@www.sportsmogul.com>
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Subject (change) Magnetic field viewing film - bistable, high resolution

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