The Equipment Solutions- Blog

Linear Focus Actuator Features, 20 mm Clear Optical Path, <50 nanometer Repeatability, and <3 miliseconds Response Time!

March 3rd, 2015

Editor

Sunnyvale, CA — – The LFA-2010 Linear Focus Actuator from Equipment Solutions is a high performance compact motion control positioner, specifically developed for optical applications requiring both high precision and high speed positioning over a short to medium stroke. The LFA-2010 actuator has a 10 mm range of motion with <50 nanometer positioning repeatability, and a small step response of time of <3 milliseconds. This high force, low noise voice coil motor is typically configured with an analog position feedback sensor and can be optionally equipped with a 1um resolution digital quadrature feedback element.

An important feature of this product is it’s innovative tubular architecture. This allows the 20 mm clear optical path to go directly through the middle of the motor. The patented dual ‘Flexures system’ has zero stiction/friction. For mounting optics a standard C-mount is provided, or an optional 12.7mm diameter lens socket. The C-mount provides options for adapters to common microscope objectives like DIN or M25 or M26. The LFA-2010 Linear Focus Actuator is well suited for optical focusing and other micropositioning applications such as scanning interferometry, surface structure analysis, disk drive testing, autofocus systems, confocal microscopy, biotechnology, and semiconductor test equipment.

The LFA-2010 Linear Focus Actuator can be supplied “Plug-and-Play,” with the SCA814 Servo Controlled Amplifier, a matching power supply, and necessary cabling for easy integration into new and existing applications.

Equipment Solutions, Inc. (ESI) is a provider of engineering and manufacturing services. ESI specializes in the design and production of automation and instrumentation products including motion control components and sub systems. ESI’s products range from galvanometer amplifiers with an integrated arbitrary waveform generator, to high-resolution displacement sensors, voice coil and stepper motor stages, amplifiers and controllers.

For additional information contact Jeff Knirck at Equipment Solutions, 1098 West Evelyn Ave. #102, Sunnyvale, CA 94086; Tel: 408-245-7161, Fax: 408-245-7160, E-Mail: info@equipsolutions.com or visit the Website at http://www.equipsolutions.com

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Linear Motion Stage – High Speed, High Force, Sub-micron Positioning, Voice Coil Stage Features 20 mm Aperture!

March 23rd, 2013

Editor

Equipment Solutions Motion Control Voice Coil Positioning Stage

Sunnyvale, CA, — — High speed, high force, sub-micron, >300 nanometer (1.1811 10-6 in.) positioning resolution, cross roller voice coil stages are self contained, compact, and can be mounted in a horizontal or vertical axis. The high speed, 20 mm (0.7874 in.) travel, Equipment Solutions’ Linear Motion VCS-2020 Voice Coil Stage features a 20 mm dia. aperture. An integrated Analog position feedback sensor assures 100 nanometer (3.937 10-6 in.) repeatability. This compact voice coil stage is ideal for such micro-positioning applications as: Scanning interferometry, disk drive testing, auto focus systems, surface structure analysis, confocal microscopy, biotechnology, and semiconductor test equipment.

Equipment Solutions Motion Control Voice Coil Positioning Stage-animated photo series

The compact 117 mm 75 mm 81 mm (4.60 in. 2.96 in. 3.18 in.), low mass, voice coil stage is a fully self-contained system including a high precision cross roller stage, voice coil actuator, analog position sensor, servo amplifier and servo controller. The low inertia cross roller stage is integral to the standard threaded “C” lens mount and motor coil for tip/tilt free motion. Custom lens mounts are available. The voice coil motor is rated at 17.8 N (4 lbs.) continuous force and 71.8 N (16 lbs.) peak for 10 seconds and is clean room compatible. For easy integration into a new or existing application the VCS-10H Voice Coil Stage has multiple sets of mounting holes on several surfaces.

Equipment Solutions, Inc. (ESI) is a provider of engineering and manufacturing services. ESI specializes in the design and production of automation and instrumentation products including motion control components and sub systems. ESI’s products range from galvanometer amplifiers with an integrated arbitrary waveform generator, to high-resolution displacement sensors, voice coil and stepper motor stages, amplifiers and controllers.

For additional information contact Jeff Knirck at Equipment Solutions, 1098 West Evelyn Ave. #102, Sunnyvale, CA 94086; Tel: 408-245-7161, Fax: 408-245-7160, E-Mail: info@equipsolutions.com or visit the Website at http://www.equipsolutions.com

Motion Control – Rotational Voice Coil Stage Offers Galvo Like Performance at a Fraction of the Size and Cost!

December 4th, 2012

Editor

Equipment Solutions Rotational Scanner

The Motion Control RVC-9025 Rotational Voice Coil Stage provides a means to quickly and repeatably steer an optical beam with a diameter of up to 25 millimeters over 90° with 25 microradians of resolution.

Sunnyvale, CA, — The motion control RVC-9025 provides galvo like performance at a fraction of the size and cost. It is capable of positioning a mirror anywhere within its ±22.5° mechanical range in about a millisecond with micro-radian resolution. The RVC-9025 also integrates a complete high-performance servo amplifier with both USB and low-level electrical interface. The choice is yours, you pick the interface that fits within your system architecture. All of this in a package that is about 60 x 30 x 20 millimeters, about the size of your thumb. The RVC-9025 uses the highest quality ball bearings available to support a lifetime of uncompromising performance. If your application requires rapid beam steering over a range of angles that exceeds the capabilities of today’s galvos the RVC-9025 should be at the top of your list. Straight forward integration, flexible interfaces, easy to use, reliability you can count on, the RVC-9025 Rotational Voice Coil Stage can help to make your next project a real success.

The Mirror: The mirror is an integral part of the motion control RVC-9025 and is usually specified at time of order. The mirror and its associated inertia will largely predict the overall step and settle time of the actuator. With that in mind the user should careful consider parameters surrounding the mirror including its shape and flatness. The mirror should be no wider than absolutely necessary and sufficiently long to accommodate the beam elongation as a consequence of the tilting process. Mirror flatness will largely dictate its thickness and overall inertia. In special cases, mirror thickness and its affects on inertia can be managed using costlier materials such as beryllium that have a higher specific stiffness. As the mirror thickness grows, its front surface will proportionally move further off the rotational axis which in some cases can be undesirable. Other parameters including coating and scratch/dig need to be included to fully describe the mirror. While a mirror is probably the most common payload other customer supplied or specified loads can be used such as gratings.

Equipment Solutions Rotational Scanner chart

Position Sensor: The motion control RVC-9025 is able to position its mirror with a resolution of 25 micro-radians in a large part because of the high-resolution sensor it uses. The analog nature of its non-contact sensor also makes it noise limited by adjusting its bandwidth. Careful control and optimization of the sensor signal permits the servo to operate at a higher bandwidth and thereby having a higher stiffness and exceptionally low positioning wander or hysteresis.

Voice Coil Motor: The motion control RVC-9025 includes a high efficiency voice coil motor–somtimes referred to as a single phase DC motor. The motor coil is directly coupled to the mirror support beam and position sensor. That tight and rigid coupling of the load, actuator and sensor assures exceptional position repeatability and step-and-settle times. The high efficency of the motor coil yields a small and light-weight coil that adds little of the overall motion inertia.

Integrated Elecgtronics:The motion control RVC-9025 includes a highly miniaturized servo amplifier and controller. The mirror position can be controlled through either the USB and its 16-bit DAC or an analog input signal. At the same time mirror position can be monitored from and analog output or the USB and an optional 16-bit ADC. The auxillary input header also provides a means to enable the amplfier and monitor it for faults. Thereby supporting a configuration for a deeply embeded and autonomous device.

Equipment Solutions, Inc. (ESI) is a provider of engineering and manufacturing services. ESI specializes in the design and production of automation and instrumentation products including motion control components and sub systems. ESI’s products range from galvanometer amplifiers with an integrated arbitrary waveform generator, to high-resolution displacement sensors, voice coil and stepper motor stages, amplifiers and controllers.

For additional information contact Jeff Knirck at Equipment Solutions, 1098 West Evelyn Ave. #102, Sunnyvale, CA 94086; Tel: 408-245-7161, Fax: 408-245-7160, E-Mail: info@equipsolutions.com or visit the Website at http://www.equipsolutions.com

Motion Control – Compact, High Resolution Resonant Scanner Features Wide Frequency Range and Fully Integrated Control & Drive Electronics!

August 10th, 2012

Editor

Equipment Solutions Motion Control Resonant Scanner

Sunnyvale, CA, — The RS-25 Resonant Scanner from Equipment Solutions is optimized for applications that typically require a means to scan an optical beam. This motion control resonant scanner is a very efficient means of oscillating or vibrating a mirror or similar load at a fixed frequency. Up to a 25 mm diameter mirror can be set at the factory to oscillate at a fixed frequency of 20 Hz to 550 Hz, and mirror sweep can be adjusted to a total of 90 degrees optical. The very compact RS-25 Resonant Scanner measurers just 25 x 58 x 21 mm and all electronics necessary to control and drive the scanner are fully integrated. Typical applications include: 3D laser digitizing & measurement, printing, raster scanners, laser projectors, laser marking, laser range finding, barcode scanning, confocal microscopy, FLIR, retinal image acquisition, semiconductor inspection, laser tuning, and biological and medical research.

The RS-25 Resonant Scanner can optionally be configured with a very high-resolution position sensor. This non-contact electro-optic sensor provides a means to directly monitor the angular position of the user’s load with micro-radian scale resolution and repeatability. The sensor naturally produces an analog signal proportional to position and is noise limited, however, options include a high-resolution 16-bit Analog-to-Digital converter to quickly sample and report the mirror position (up to 1500 samples-per-second) at any time.

Unparalleled performance and reliability have been achieved through a continuous and careful attention to every design detail. This relentless drive has generated patent pending concepts and ideas that distinguish the RS-25 Resonant Scanner. The RS-25 Resonant Scanner has a virtually unlimited life. Carefully designed flexures mimic a conventional spring-mass harmonic motion system, and a small voice coil motor coupled to the system compensates for small system loses that would otherwise dampen the oscillation.

Two connectors are accessible from the side of the unit. One, a mini USB connector, supports high speed USB communications and power sourcing. The second connector provides electrical control and signal interfaces (e.g. analog amplitude control and feedback (e.g.) mirror position).

Additional features include: Very low power drive electronics (low heat emission), vertical or horizontal mounting, high frequency stability (to 0.05%), broad frequency selection, no wearing parts, shock and vibration tolerant.

Equipment Solutions, Inc. (ESI) is a provider of engineering and manufacturing services. ESI specializes in the design and production of automation and instrumentation products including motion control components and sub systems. ESI’s products range from galvanometer amplifiers with an integrated arbitrary waveform generator, to high-resolution displacement sensors, voice coil and stepper motor stages, amplifiers and controllers.

For additional information contact Jeff Knirck at Equipment Solutions, 1098 West Evelyn Ave. #102, Sunnyvale, CA 94086; Tel: 408-245-7161, Fax: 408-245-7160, E-Mail: info@equipsolutions.com or visit the Website at http://www.equipsolutions.com

Motion Control – LFA-3404 Linear Focus Actuator

January 16th, 2012

Editor

The motion control LFA-3404 Linear Focus Actuator is a high performance compact positioning system. It was specifically developed for optical applications requiring both high precision and high-speed positioning over a short to medium stroke. The motion control LFA-3404 is well suited for optical focusing and other micropositioning applications such as scanning interferometry, surface structure analysis, disk drive testing, autofocus systems, confocal microscopy, bio-technology, semiconductor test equipment. Note that this motor is normally configured with an analog position feedback sensor and can be optionally equipped with a digital quadrature feedback element. The key to this products immense success is its novel tubular architecture. This arrangement provides a means to send the optical path directly through the middle of the motor. The moving optic attached to the motors ‘C-mount’ is not cantilevered and so has no torques. By design, the LFA-3404 Linear Focus Actuator rotates approximately 0.1 degrees or 1.7 milliradians for every 1 millimeter of translation. Product manufacturing tolerances are closely monitored so that both lateral and angular displacements about the motion axis are as small as possible.

For Specification, Motor Force Constant, and Interface Drawings Click Here

For the motion control LFA-3404 Linear Focus Actuator Brochure Click Here

For motion control LFA-3404 Interface and User Manual Click Here

For motion control r LFA-3404 CAD Drawings Click Here

For additional information contact Jeff Knirck at Equipment Solutions, 1098 West Evelyn Ave. #102, Sunnyvale, CA 94086; Tel: 408-245-7161, Fax: 408-245-7160, E-Mail: info@equipsolutions.com or visit the Website at http://www.equipsolutions.com

Motion Control – LFA-2010 Linear Focus Actuator from Equipment Solutions.

December 13th, 2011

Editor

Equipment Solutions Motion Control LFA-2010 Linear FocusActuator

Sunnyvale, CA — – The motion control LFA-10 Linear Focus Actuator is a high performance compact positioning system. It was specifically developed for optical applications requiring both high precision and high-speed positioning over a short to medium stroke. The LFA-10 is well suited for optical focusing and other micropositioning applications such as scanning interferometry, surface structure analysis, disk drive testing, autofocus systems, confocal microscopy, bio-technology, semiconductor test equipment. Note that this motor is normally configured with an analog position feedback sensor and can be optionally equipped with a digital quadrature feedback element. The key to this products immense success is its novel tubular architecture. This arrangement provides a means to send the optical path directly through the middle of the motor. The moving optic attached to the motors ‘C-mount’ is not cantilevered and so has no torques. The LFA-10 Linear Foucs Actuator is directly compatible with the SCA814 Servo Controlled Amplifier.

This motor is typically configured with an analog position feedback sensor and can be optionally equipped with a digital quadrature feedback element. The key to this products immense success is its novel tubular architecture. This arrangement provides a means to send the optical path directly through the middle of the motor. The moving optic attached to the motors ‘C-mount’ is not cantilevered and so has no torques. The LFA-10 Linear Foucs Actuator is directly compatible with the SCA814 Servo Controlled Amplifier.

By design, the LFA-10 Linear Focus Actuator rotates approximately 0.1 degrees or 1.7 milliradians for every 1 millimeter of translation. Through manufacturing tolerances only there can be a small amount of pitch and roll motion that is induced during the intended translation. These small but real error sources are routinely characterized during the manufacturing process using our AC400 Digital Autocollimator to control product uniformity.

Equipment Solutions, Inc. (ESI) is a provider of engineering and manufacturing services. ESI specializes in the design and production of automation and instrumentation products including motion control components and sub systems. ESI’s products range from galvanometer amplifiers with an integrated arbitrary waveform generator, to high-resolution displacement sensors, voice coil and stepper motor stages, amplifiers and controllers.

For Specifications, Drawings, etc. Click Here

For additional information contact Jeff Knirck at Equipment Solutions, 1098 West Evelyn Ave. #102, Sunnyvale, CA 94086; Tel: 408-245-7161, Fax: 408-245-7160, E-Mail: info@equipsolutions.com or visit the Website at http://www.equipsolutions.com

Motion Control – Ultra-High Precision, Compact, Low Cost, Optical Positioning System Features Zero Translation from Equipment Solutions!

April 1st, 2011

Editor

Sunnyvale, CA, — Optical Positioning System – Developed for precision optical positioning applications the LFA-1210 Linear Focus Actuator features a patented zero-translation tangential flexure for high speed travel. The 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, non-contact sub-micron resolution linear displacement sensor having high bandwidth and low noise assures high responsiveness and ultra precision. 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 lbs. continuous and 3.5 lbs. peak force.

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

Equipment Solutions, Inc. (ESI) is a provider of engineering and manufacturing services. ESI specializes in the design and production of automation and instrumentation products including motion control components and sub systems. ESI’s products range from galvanometer amplifiers with an integrated arbitrary waveform generator, to high-resolution displacement sensors, voice coil and stepper motor stages, amplifiers and controllers.

For additional information contact Jeff Knirck at Equipment Solutions, 1098 West Evelyn Ave. #102, Sunnyvale, CA 94086; Tel: 408-245-7161, Fax: 408-245-7160, E-Mail: info@equipsolutions.com or visit the Website at http://www.equipsolutions.com

Motion Control – High Speed, Sub-micron Positioning, Voice Coil Stages from Equipment Solutions!

April 1st, 2011

Editor

Sunnyvale, CA, – Sub-micron, 150 nanometer (5.91 10-6 in.) positioning resolution, voice coil stages are compact, can be used as a horizontal or vertical axis, and are low cost. The high speed, 10 mm (0.394 in.) travel, Equipment Solutions’, VCS-10H Voice Coil Stage features an integrated non-contact optical and/or digital position feedback sensor for 200 nanometer (7.87 10-6 in.) repeatability. The low moving mass, voice coil stage is ideal for: Optical focusing and testing, scanning microscopy, medical, semiconductor, circuit board assembly, and micro manufacturing and machining applications.

The compact 33.0 mm x 76.0 mm x 31.8 mm (1.3 in. x 3.0 in. x 1.25 in.), low mass, voice coil stage uses ± 12 VDC to ± 24 VDC. The stages can be supplied with a high performance single axis DC motor controller and amplifier that were developed for applications requiring high temporal and spatial servo precision. The low inertia cross roller stage is rated at 6.7 N (1.5 lbs.) continuous force and 13.35 N (3 lbs.) peak for 10 seconds and is cleanroom compatible. For easy integration into a new or existing application the VCS-10H Voice Coil Stage has multiple sets of mounting holes on several surfaces.

Equipment Solutions, Inc. (ESI) is a provider of engineering and manufacturing services. ESI specializes in the design and production of automation and instrumentation products including motion control components and sub systems. ESI’s products range from galvanometer amplifiers with an integrated arbitrary waveform generator, to high-resolution displacement sensors, voice coil and stepper motor stages, amplifiers and controllers.

For additional information contact Jeff Knirck at Equipment Solutions, 1098 West Evelyn Ave. #102, Sunnyvale, CA 94086; Tel: 408-245-7161, Fax: 408-245-7160, E-Mail: info@equipsolutions.com or visit the Website at http://www.equipsolutions.com

Low Cost, High Speed, 150 nm Resolution, Voice Coil Stage for Optical Applications!

April 1st, 2011

Editor

Sunnyvale, CA, – A high speed, 150 nanometer (0.000005905512 inches) resolution voice coil stage with an 18 mm (0.709 in.) aperture is ideal for micro positioning and optical focusing applications. The compact, high precision Equipment Solutions’ LFA-3 Linear Focus Actuator, utilizes patented frictionless/stictionless flexures for very high responsiveness and zero mechanical noise. Typical applications include: optical focusing, scanning, interferometry, surface structure analysis, disk drive testing, autofocus systems, confocal microscopy, biotechnology, and semiconductor test equipment.

The low inertia, ± 12 VDC to ± 24 VDC, @1 amp, voice coil motor of the LFA-3 Linear Focus Actuator has very low electrical noise, 3 mm (0.118 in.) travel, and 813.5 Ncm continuous force (6.0 ft-lbs) 4067 Ncm peak (30 ft-lbs). It is clean room compatible and can be operated in a horizontal or vertical orientation. Standard lens “C” mounts are provided on both the stator and translator elements, and DIN standard microscope objective adapters are available. For easy mounting of the actuator, mounting holes are on several surfaces.

For easy integration into a new or existing application the matching SCA824 Linear Servo Controller is available from Equipment Solutions. It is a high performance single axis DC motor controller and amplifier that was developed for applications requiring high temporal and spatial servo precision.

Equipment Solutions, Inc. (ESI) is a provider of engineering and manufacturing services. ESI specializes in the design and production of automation and instrumentation products including motion control components and sub systems. ESI’s products range from galvanometer amplifiers with an integrated arbitrary waveform generator, to high-resolution displacement sensors, voice coil and stepper motor stages, amplifiers and controllers.<

For additional information contact Jeff Knirck at Equipment Solutions, 1098 West Evelyn Ave. #102, Sunnyvale, CA 94086; Tel: 408-245-7161, Fax: 408-245-7160, E-Mail: info@equipsolutions.com or visit the Website at http://www.equipsolutions.com

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The Equipment Solutions- Blog

Linear Focus Actuator Features, 20 mm Clear Optical Path, <50 nanometer Repeatability, and <3 miliseconds Response Time!

Linear Motion Stage – High Speed, High Force, Sub-micron Positioning, Voice Coil Stage Features 20 mm Aperture!

Motion Control – Rotational Voice Coil Stage Offers Galvo Like Performance at a Fraction of the Size and Cost!

Motion Control – Compact, High Resolution Resonant Scanner Features Wide Frequency Range and Fully Integrated Control & Drive Electronics!

Motion Control – LFA-3404 Linear Focus Actuator

Motion Control – LFA-2010 Linear Focus Actuator from Equipment Solutions.

Motion Control – Ultra-High Precision, Compact, Low Cost, Optical Positioning System Features Zero Translation from Equipment Solutions!

Motion Control – High Speed, Sub-micron Positioning, Voice Coil Stages from Equipment Solutions!

Low Cost, High Speed, 150 nm Resolution, Voice Coil Stage for Optical Applications!

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