Metal on Glass

hello,

i like to know the english therm of the process when you put metal in a thin layer on glass. in Denmark its called Lystre

there is properly a lot of ways to do it these is the ones i know:

1) steamed metal on glass (dicroic) as on mirror sunglasses and skyscraber windows thin folio from 3M

2) paintet platin directley on the glass therafter in the oven at 500 degrees and then polish til its like a mirror.

3) as in thermo coffee cans inside layer.. i dont know the process.

4) glass with a lot of lead in . but its poisinos..

please tell me more ways because i like to use it in a reflector on a lamp

best regards Soren Momsen