Please keep posting. Great info.
Do you think this Lasered Cherry Key from a G86-62410 could have been done using that method you posted earlier - lasering special black plastic that turns white? Or is this infilled then somehow leveled with the rest of the key?
Show Image
(http://geekhack.org/attachment.php?attachmentid=9770&stc=1&d=1273205648)
Under a Microscope at 60X
Show Image
(http://geekhack.org/attachment.php?attachmentid=9771&stc=1&d=1273205936)
So far white in black keycap(Not included backlight KB) used 2 way: Ink or laser
if it used laser, just used the technology my posted.
I knows this from some Keyboard foundrys.