patscc
Veteran Member
Apparently they started being standardized around WWII, and interestingly enough phospor P1 is green. This is an excerpt from here:
http://en.wikipedia.org/wiki/Phosphor#Standard_phosphor_types
patscc
http://en.wikipedia.org/wiki/Phosphor#Standard_phosphor_types
Code:
P1, GJ Zn2SiO4:Mn (Willemite) Green 528 nm 40 nm[20] 1-100ms CRT, Lamp Oscilloscopes and monochrome monitors
P2 ZnS:Cu(Ag)(B*) Blue-Green 543 nm – Long CRT Oscilloscopes
P3 Zn8:BeSi5019:Mn Yellow 602 nm – Medium/13ms CRT Amber monochrome monitors
patscc