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20/20 XL

Photonics.com
May 2011
CRAIC TechnologiesRequest Info
 
SAN DIMAS, Calif., May 13, 2011 — Craic Technologies Inc. has announced the 20/20 XL UV-visible-NIR microspectrophotometer designed to nondestructively analyze microscopic features of very large displays by incorporating large-scale sample handling. With a spectral range from the deep-ultraviolet to the near-infrared, it analyzes samples by absorbance, reflectance, luminescence and fluorescence with high speed and accuracy.

The system also can be configured to image microscopic samples in the UV and NIR. Applications include mapping color and intensity variations, film thickness measurements, microcolorimetry and scanning the surfaces of display components for defects. With its ability to spectrally analyze and image microscopic features of very large devices, the device is suitable for use in laboratories and manufacturing facilities.

It can take spectra and images of microscopic features of large flat panel displays and, with its ability to measure micron-size features, it can measure color and intensity of individual pixels.

The microspectrophotometer integrates a spectrophotometer with a UV-visible-NIR microscope and powerful, easy-to-use software. It is designed to attach to large sample handling frames. Features include touch-screen controls, calibrated variable apertures, high sensitivity, a durable design, and multiple imaging and spectroscopic techniques.


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GLOSSARY
absorbance
The natural log of the ratio of absorbed intensity over the total intensity which gives a constant value assuming a stable volume as well as energy. In optical physics the absorbance may be defined as the absorption cross section multiplied by the absorbing material length.
fluorescence
The emission of light or other electromagnetic radiation of longer wavelengths by a substance as a result of the absorption of some other radiation of shorter wavelengths, provided the emission continues only as long as the stimulus producing it is maintained. In other words, fluorescence is the luminescence that persists for less than about 10-8 s after excitation.
luminescence
See fluorescence; phosphorescence.
microscope
An instrument consisting essentially of a tube 160 mm long, with an objective lens at the distant end and an eyepiece at the near end. The objective forms a real aerial image of the object in the focal plane of the eyepiece where it is observed by the eye. The overall magnifying power is equal to the linear magnification of the objective multiplied by the magnifying power of the eyepiece. The eyepiece can be replaced by a film to photograph the primary image, or a positive or negative relay...
microspectrophotometer
A specialized spectrophotometer for use through a microscope on very small areas of an object.
reflectance
The ratio of reflected flux to incident flux. Unless otherwise specified, the total reflectance is meant; it is sometimes convenient to divide this into the sum of the specular and the diffuse reflectance.
spectrophotometer
An instrument for measuring spectral transmittance or reflectance.
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