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Do the linear motors have a retention function to maintain position with
loss of power? I've only used such motors for XY applications, and never in
Z because they would drop like a rock when the power is cut.

Craig

On Fri, Jun 19, 2015 at 9:27 AM, jens rietdorf <[log in to unmask]> wrote:

> *****
> To join, leave or search the confocal microscopy listserv, go to:
> http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
> Post images on http://www.imgur.com and include the link in your posting.
> *****
>
> Hi Anton,
> Acquifer.de uses linear motors for imaging machines with 30mm (millimeter)
> travel range 60nm repositioning accuracy.
> Contact me offline for more info.
> Kind regards, Jens
> (freelance consultant @Acquifer)
> Em 18/06/2015 06:03, "Anton Kamnev" <[log in to unmask]> escreveu:
>
> > *****
> > To join, leave or search the confocal microscopy listserv, go to:
> > http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
> > Post images on http://www.imgur.com and include the link in your
> posting.
> > *****
> >
> > Dear colleagues,
> >
> > In our LM core we normally use piezo stage inserts (e.g. PRIOR) for
> > acquisition of Z-stacks. Those work fast and reliable but very have
> limited
> > range (100~400 um). Moreover, stage inserts are often bulky and we
> > experience a lot of problems fitting large specimens/slides into them.
> >
> > Obvious solution would be to get rid of piezo inserts and use base motor
> > instead (which moves objective instead of sample). This would give more
> > manoeuvre space at the stage and much bigger travel range. Unfortunately
> > most of base motors are rather slow and often lack required precision.
> >
> > At the moment I’m looking into purchasing of new scope and thus wondering
> > if
> > there have been any advance in microscope base manufacturing.
> >
> > The question is - are there microscope bases which would move objective
> > with
> > speed and precision matching those of piezo inserts? If so, I would
> greatly
> > appreciate if you could share your experience with those.
> >
> > Sincerely,
> > Anton.
> >
> > Anton Kamnev, PhD
> > Imaging Manager
> > Mechanochemical Cell Biology Building
> > Division of Biomedical Cell Biology
> > Warwick Medical School
> > The University of Warwick
> > Coventry, CV4 7AL UK
> > tel: +44 (0) 24-7615-1934
> > cell: +44 (0) 782-408-6941
> > email: [log in to unmask]
> >
>