🚀 go-pugleaf

In article <IISAKKIL.92Oct28153408@lk-hp-1.hut.fi> iisakkil@snakemail.hut.fi (Mika Iisakkila) writes:
>No. The raster mask is physically behind the phosphor dots, spaced
>some millimeters(?) away. It is carefully aligned at the factory to
>let the beam from one electron gun to only land on phosphor dots of
>this particular colour.

Actually, the phosphors are aligned to the mask.

>                         There is no way you can get the beam from the
>red gun to land on green phospor (for example) without physically
>damaging the tube so that the mask is displaced. You must have had bad
>luck to only come across colour monitors with no v-size controls.

Have you heard of the purity adjustment?  That's the one that assures
that the red beam only illuminates the red phosphors, the green beam
only illuminates the green phosphors, and the blue beam only illuminates
the blue phosphors.

Bob Hale                                      ...!ucsd!btree!hale
...!btree!hale@ucsd.edu                       ...!ucsd!btree!hale@uunet.uu.net