Using the etching needle, litho crayon, various aquatint solutions, or greasy tusche washes on copperplates or lithostones, artist such as John Cage, E.
The composition and characteristic of liquid photo imageable etching resist ink is introduced briefly, and the perfect blueprint is also described in this paper.
Finally, a mechanism of AC etching for aluminum foil in HCl and a theoretical rule for choosing electroetching conditions were suggested on the results.
Because the distribution of molecular director was not affected by lamellar decorating after quench, chemical etching and SEM technique were used to reveal disclination and director patterns.