what chemical coating in the screen of a CRO will give a blue display.?

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what chemical coating in the screen of a CRO will give a blue display.?

CRO is cathode ray oscilloscope a device used in labs for signal detection. usually it gives a green display.a CRT cathode ray tube is the heart of CRO.

2007-03-15 02:39:24 · 1 answers · asked by apvnilambur 1 in Science & Mathematics ➔ Engineering

1 answers

"P22B" is a combination of zinc sulfide with few ppm of silver, ZnS:Ag, It provides strong blue glow with maximum at 450 nm, with short afterglow with 200 nanosecond duration.

2007-03-17 16:34:37 · answer #1 · answered by Rich Z 7 · 0⤊ 0⤋