Test cell for evaluating phosphor

Details Test cell for evaluating phosphor Test cell for evaluating phosphor

2007-07-03

2007-07-03

Soderquist, Arlen (Department: 1743)

Chemistry: analytical and immunological testing

Optical result

With fluorescence or luminescence

C422S051000, C422S082050, C422S082070, C422S105000, C436S165000

Reexamination Certificate

active

10931827

ABSTRACT:
An test cell is adapted for both making and testing samples. The cell includes a bottom plate and a top plate having concentric apertures defining a central test cavity. A post attached to the bottom plate closes off the bottom of the test cavity. A slide closes off the top of the test cavity. The top of the post is spaced slightly from the underside of the slide to define a test cavity of substantially uniform thickness. The test cavity is filled with phosphor suspended in uncured resin, closed, and the resin is cured. Once cured, the sample is stable, although delicate, and can be re-measured several times with reproducible results. The measurement takes place in the cell, using a thin film of oil for wetting surfaces.

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