Method for the production of films having the desired configurat

Details Method for the production of films having the desired configurat Method for the production of films having the desired configurat

1973-12-07

1977-08-16

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

96 362, 156644, 156656, 156659, 156662, 156664, 156665, 156666, C23F 102

Patent

active

040424502

ABSTRACT:
A method for the production of films having the desired geometrical form (configuration) comprising depositing an electromagnetic radiation-sensitive system, which consists of a metal layer and an inorganic compound layer capable of reacting with said metal layer and forming interaction products under the effect of electromagnetic radiation, onto a film made from a material which does not react, on being irradiated, with the layer of said system that adjoins said film; subjecting said system to selective irradiation in conformity to the desired configuration, followed by carrying out the selective etching of the irradiated system so as to obtain the requisite configuration, and thereafter using said etched system as a mask for etching selectively said film in order to impart thereto the sought-for geometrical form.

REFERENCES:
patent: 3305359 (1967-02-01), Delmont
patent: 3637381 (1972-01-01), Hallman et al.
patent: 3637383 (1972-01-01), Hallman et al.
patent: 3663224 (1972-05-01), Hallman et al.
patent: 3745002 (1973-07-01), Honjo et al.
patent: 3762325 (1973-10-01), Hallman et al.

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