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Precision Optical Positioning
Aug 2008
Equipment Solutions Inc.Request Info
SUNNYVALE, Calif., Aug. 13, 2008 – Developed for precision optical positioning applications, Equipment Solutions’ LFA-1012 linear focus actuator features a patented zero-translation tangential flexure for high-speed travel. 

Equipment-Solutions.jpgThe clear aperture, 10 mm (0.394 in.) stroke length and standard 12 mm optics mount (or an optional DIN mount for use on microscopes) make this linear focus actuator ideal for optical focusing, scanning, interferometry, surface structure analysis, disk drive testing, autofocus systems, confocal microscopy, biotechnology, and semiconductor test equipment.

A frictionless, closed loop, noncontact submicron resolution linear displacement sensor having high bandwidth and low noise assures high responsiveness and ultraprecision. Positioning resolution of the LFA-1012 actuator is 150 nm, repeatability is 200 nm (short term) and 50 ppm/1000 hr. (long term) with 2.2 lb. continuous and 3.5 lb. peak force.

The low inertia, zero stiction/friction, ± 12 VDC to ± 24 VDC @1 amp, voice coil motor of the linear focus actuator has very low electrical noise, is clean room compatible, and can be operated in any orientation.  Mounting holes on various surfaces makes mounting easy in new or existing applications.

The corresponding SCA814 linear servo controller is also available.  It is a high performance single axis DC motor controller and amplifier that was developed for applications requiring high temporal and spatial servo precision.  

For more information, visit:

Equipment Solutions Inc.
461 East Evelyn Ave.                                                                               
Sunnyvale, CA 94086
Phone: (408) 245-7161
Fax: (408) 245-7160


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autofocus systemsBiophotonicsbiotechnologyconfocal microscopydisk drive testingEquipment SolutionsinterferometersLFA-1012 Linear Focus ActuatorMicroscopynanooptical focusingphotonicsprecision optical positioningProductsscanningsemiconductor test equipmentSensors & Detectorssurface structure analysiszero-translation tangential flexure

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