Method for manufacturing a substrate for surface-enhanced Raman spectography and substrate
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United States of America Patent
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Oct 10, 2017
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Jan 5, 2016
filing date -
Jan 5, 2015
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Abstract
A substrate for surface-enhanced Raman spectography includes a support including an upper surface; a supporting structure including at least one microstructured pattern, the microstructured pattern including a top and sidewalls, with the sidewalls extending according to a direction secant to the direction of the upper surface; a multilayer arranged on the sidewalls of the microstructured pattern, with the multilayer including at least two pillar layers, separated from each other by an intermediate layer, each intermediate layer having an end set back with respect to an end of each adjacent pillar layer in such a way that the ends of two successive pillar layers form pins separated by a cavity, with the ends of the pillar layers being covered by a metal layer.
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