Substrate having a coating comprising copper and method for the production thereof by means of atomic layer deposition

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United States of America Patent

PATENT NO 8507038
APP PUB NO 20100301478A1
SERIAL NO

12794454

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Abstract

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A method can be used for the production of a coated substrate. The coating contains copper. A copper precursor and a substrate are provided. The copper precursor is a copper(I) complex which contains no fluorine. A copper-containing layer is deposited by means of atomic layer deposition (ALD) at least on partial regions of the substrate surface by using the precursor. Optionally, a reduction step is performed in which a reducing agent acts on the substrate obtained in the layer deposition step. In various embodiments, the precursor is a complex of the formula L2Cu(X∩X) in which L are identical or different σ-donor-π acceptor ligands and/or identical or different σ,π-donor-π acceptor ligands and X∩X is a bidentate ligand which is selected from the group consisting of β-diketonates, β-ketoiminates, β-diiminates, amidinates, carboxylates and thiocarboxylates.

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Patent Owner(s)

Patent OwnerAddress
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E VHANSASTRASSE 27C MUNICH 80686
TECHNISCHE UNIVERSITAET CHEMNITZSTRASSE DER NATIONEN 62 CHEMNITZ 09170

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gessner, Thomas Chemnitz, DE 92 1609
Jakob, Alexander Muelsen, DE 5 10
Lang, Heinrich Chemnitz-Harthau, DE 122 2989
Schulz, Stefan Chemnitz, DE 62 535
Waechtler, Thomas Dittmansdorf, DE 3 13

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