tap crystal

tap crystal

[′tap ‚krist·əl]
(electronics)
Compound semiconductor that stores current when stimulated by light and then gives up energy as flashes of light when it is physically tapped.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The mean Ca was 197,400 ppm when Sr was measured on the PET crystal and 202,100 ppm when Sr was measured on the TAP crystal.
1B).The mean ([+ or -] SD) was 7270 [+ or -] 4 ppm when Sr was measured with the PET crystal and 8870 [+ or -] 3 ppm when Sr was measured with the TAP crystal. This difference is also reflected in the higher minimum limit of determination for Sr for PET in both the high Sr/Ca (695 ppm) and low Sr/Ca regions (126 ppm).
In our experiment, for measuring Sr/Ca ratios in otoliths with WD-EM analysis, the TAP crystal was the best choice for the measurement of Sr because it provided the advantage of higher count rates and higher resolution of Sr.
[Fe.sub.k.[alpha]] and [MD.sub.k.[alpha]] were measured on LiF crystals, [Ta.sub.M.[alpha]] and [Mg.sub.k.[alpha]] on TAP crystals and [Nb.sub.L.[alpha]] on a PET crystal.