Photo masks can be used to engrave photographs onto the glass using a half tone process with up to 80 dots per inch. It can also be used to engrave very detailed designs or text.
The mask is floated on to the glass using a very thin, but extremely strong, water based glue.
When the glue has dried, the Carrier Film is removed, leaving only the stencil on the glass .
There is no membrane or sticky glue to blast through.