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Phosphor: Difference between revisions
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CRT phosphors were standardized beginning around World War II and designated by the letter "P" followed by a number. | CRT phosphors were standardized beginning around World War II and designated by the letter "P" followed by a number. | ||
In most early scopes, the standard phosphor was P-2. By the late 1950s, P-31 became dominant | In most early scopes, the standard phosphor was P-2. By the late 1950s, P-31 became dominant in general-purpose applications, while the blue P-11 phosphor was common for scopes primarily used with photographic recording. | ||
The choice of phosphor for a CRT is based on the intended application of the instrument. The phosphor affects: | The choice of phosphor for a CRT is based on the intended application of the instrument. The phosphor affects: | ||
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* resistance to burns | * resistance to burns | ||
== Links == | |||
* [https://youtu.be/FCAKL-4NTrA Visual demonstration of different phosphor types' behavior] @ YouTube | |||
* [http://www.bunkerofdoom.com/tubes/crt/crt_phosphor_research.pdf Table of CRT Phosphors] | |||
* [[Media:062-0852-01.pdf|Tektronix Circuit Concepts: Cathode Ray Tubes]] (see chapters 9 through 16) | |||
* [[Media:070-1011-03.pdf|C50 series camera manual, pages 3-1 to 3-7]] - detailed data on P1, P2, P7, P11 and P31 phosphors | |||
==Phosphor type data== | |||
[[File:Phosphor summary table.jpg|750px]] | [[File:Phosphor summary table.jpg|750px]] | ||
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[[File:Phosphor decay table rev a 1966.jpg|750px]] | [[File:Phosphor decay table rev a 1966.jpg|750px]] | ||
[[Category:Cathode ray tubes]] | [[Category:Cathode ray tubes]] | ||