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Digital Microscope

KEYENCE Corp. of America

ITASCA, Ill., May 2, 2012 — Keyence Corp. of America has released its latest microscope system, the VHX-2000. The VHX series digital microscopes were designed to alleviate the shortcomings of traditional, optical light microscopes: shallow depth of field, short working distance, lack of portability and versatility, and sample limitations.

By integrating advanced zoom optics with a CCD camera, a 17-in. LCD monitor, a light source, a controller and analysis/reporting software, the VHX streamlines testing and improves the speed and efficiency of the inspection process.

With a magnification range from 0.1× to 5000×, the instrument enables microscopic observation from macroscale stereoscopic imaging to the detailed analysis of a scanning electron microscope. Supported lighting techniques include bright- and dark-field, transmitted, polarized and differential interference observation.

Building on the VHX platform, the VHX-2000 incorporates several new features. A color filter wheel allows users to choose a specific wavelength (red, green or blue) of light for their samples, and a superresolution mode combines the blue filter with proprietary pixel shift technology, capturing images with 25% better resolution.

To improve operation and ease of use, the microscope can be equipped with a motorized X-Y stage along with motorized Z-axis lens control. Users can adjust movement in all three axes via an included control pad. When combined with the company’s Double’R lens/magnification recognition function, it automatically provides the optimal movement speed for the X-Y stage and enables one-push automatic focus and calibration.

The image stitching function can now be completed with the push of a button, and at much higher speeds, to produce up to a 20,000 × 20,000-pixel image that expands the viewing area by up to 200 times. Automated measurement functions simplify difficult measurement tasks and help to remove variation between different users. The system also can save a portion of the image/measurements as a template to be used to measure future samples with a click of the mouse.

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