Etching a substrate: processes – Masking of a substrate using material resistant to an etchant
Patent
1996-11-22
1998-01-20
Burr, Edgar S.
Etching a substrate: processes
Masking of a substrate using material resistant to an etchant
427147, 427404, 4274071, 101 27, B32B 3112
Patent
active
057098069
ABSTRACT:
A method of manufacturing a hot-stamped decal includes seven steps which are: step (a): to prepare a metalized polyester film comprising a metalized layer disposed on a top surface thereof, a clear polyester sheet disposed to an under side of the metalized layer, an adhesive layer disposed to an under side of the clear polyester sheet and a release sheet disposed to an under side of the adhesive layer; step (b): to prepare crystallized particles; step (c): to add the crystallized particles into a volatile solution to let the crystallized particles in the volatile solution be in an over-saturated status; step (d): to add ink into the over-saturated solution of step (c); step (e): to use the solution of step (d) to execute a printing process on the metalized layer to form a pattern thereon composed of a printed ink layer; step (f): to mop the printed ink layer with an alkaline corrosive solution to corrode the top surface of the metalized layer not covered by the printing ink layer; and step g): a neutralization reaction being executed by mopping an acid solution on the metalized layer after the metalized layer is corroded completely.
REFERENCES:
patent: 5453155 (1995-09-01), Hung
patent: 5580604 (1996-12-01), Chang
Burr Edgar S.
Ghatt Dave A.
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