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  • 20/20 FPD
May 2010
CRAIC TechnologiesRequest Info
SAN DIMAS, Calif., May 6, 2010 — The 20/20 FPD microspectrophotometer from Craic Technologies Inc. is designed for colorimetry and light intensity comparison of microdisplays of all types.

Able to nondestructively measure spectra on the micron scale, it can map the color and intensity variations within a single pixel, providing the manufacturer with the ability to optimize and improve the microdisplay manufacturing process.

The device enables colorimetry, spectroscopy and imaging of small scale pixels that are common with high-resolution microdisplays, and it also can be configured to measure thin-film thickness and source intensity. It can image in the UV, visible and near-IR regions.

It combines advanced microscopy and spectroscopy with sophisticated software to enable the user to measure spectra, colorimetry, light intensity and semiconductor film thickness by either transmission or reflectance on the micron scale. It also can measure absorbance, emission, luminescence, polarization and fluorescence spectra of sample areas smaller than 1 µm across.

While microspectra are being acquired, the sample can be viewed with high-resolution digital imaging in the deep-UV, in color or in the near-IR. As the smallest pixels are now on the order of 10 µm across, the instrument enables measurement of the color and intensity of the entire display and comparison from pixel to pixel and even within a pixel.

Designed for the production environment, it incorporates automated measurement capabilities, touch screen controls, easily modified processing recipes and sophisticated data analysis tools. The ability to directly image and analyze components for contaminants with ultraviolet and near IR microscopy can also be added to this instrument. An integrated thermoelectrically cooled array detector provides low noise and long-term stability.

Applications include microelectromechanical systems devices, surface plasmon resonance, photonic bandgap crystals, process impurity detection, protein crystals, forensic science, drug chemistry, questioned documents, organic LEDs, flat panel color masks and combinatorial chemistry.


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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.
The methods used to measure color and to define the results of the measurements.
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.
See fluorescence; phosphorescence.
A specialized spectrophotometer for use through a microscope on very small areas of an object.
With respect to light radiation, the restriction of the vibrations of the magnetic or electric field vector to a single plane. In a beam of electromagnetic radiation, the polarization direction is the direction of the electric field vector (with no distinction between positive and negative as the field oscillates back and forth). The polarization vector is always in the plane at right angles to the beam direction. Near some given stationary point in space the polarization direction in the beam...
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.
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