Image transfer process for thin film component definition

Details Image transfer process for thin film component definition Image transfer process for thin film component definition

2007-11-20

2007-11-20

McPherson, John A. (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making electrical device

C430S319000, C430S320000, C430S323000, C430S324000, C430S330000

Reexamination Certificate

active

10751807

ABSTRACT:
A method for fabricating a thin film component includes forming a wafer having a thin film layer, a release layer, and a patterned layer of photoresist. The pattern of the layer of photoresist is transferred to the release layer and the thin film layer. A layer of metal is added to the wafer. The wafer is heated to a temperature above a glass transition temperature of the photoresist for a period of time sufficient to cause deformation of the photoresist to an extent that the photoresist creates cracks in the metal layer. A solvent is applied to the wafer to dissolve the release layer, the solvent penetrating the cracks in the metal layer to reach the release layer. The release layer and any material above the release layer are removed.

REFERENCES:
patent: 2003/0182790 (2003-10-01), Hsiao et al.
patent: 2001-344711 (2001-12-01), None

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