Method for producing an LTCC substrate

An LTCC substrate structure with at least one contact element for connecting a wire conductor, which has a first metallization (20) arranged on and/or in the ceramic substrate for electrical connection to the wire conductor, wherein the first metallization (20) preferably contains silver or a silver...

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Bibliographic Details
Main Authors SCHWANKE DIETER, KRENKEL MICHAEL, ZEILMANN CHRISTIAN
Format Patent
LanguageEnglish
Published 28.08.2012
Subjects
BASIC ELECTRIC ELEMENTS
CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
CURRENT COLLECTORS
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
LINE CONNECTORS
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
PRINTED CIRCUITS
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Summary:An LTCC substrate structure with at least one contact element for connecting a wire conductor, which has a first metallization (20) arranged on and/or in the ceramic substrate for electrical connection to the wire conductor, wherein the first metallization (20) preferably contains silver or a silver alloy. To avoid via posting or a plating process, a diffusion barrier layer covering the first metallization or metal layer, which diffusion barrier layer (22) covering the first metallization (20), which diffusion barrier layer is produced with a locally acting application method, and a second metal layer (24) arranged on the diffusion barrier layer (22) are provided, wherein the second metal layer (24) preferably contains gold and/or platinum and/or an alloy that has at least one of these elements. The invention also discloses a production method for an LTCC substrate structure of this type.
Bibliography:Application Number: US20090548311