Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Making electrical device
Reexamination Certificate
2005-03-01
2005-03-01
Duda, Kathleen (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Making electrical device
C430S327000, C430S950000
Reexamination Certificate
active
06861206
ABSTRACT:
A method for producing a structured layer on a semiconductor substrate includes the steps of creating the layer on the substrate, modifying a surface of the layer to form a chemically neutral surface, creating an acid-forming photoresist layer on the layer on the substrate, exposing the acid-forming photoresist layer to light for embodying an acid-containing layer in the photoresist layer in accordance with a specified structure of a photoexposure mask, and selectively removing the acid-containing region of the photoresist layer with a lye. The method further includes modifying the surface of the foundation layer for reducing degradation in structuring the acid-forming layer.
REFERENCES:
patent: 20030186537 (2003-10-01), Yamanaka et al.
Duda Kathleen
Greenberg Laurence A.
Infineon - Technologies AG
Mayback Gregory L.
Stemer Werner H.
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