AQUEOUS ALKALINE PRE-TREATMENT SOLUTION FOR USE PRIOR TO DEPOSITION OF A PALLADIUM ACTIVATION LAYER, METHOD AND USE THEREOF

The invention relates to an aqueous alkaline pre-treatment solution for use prior to deposition of a palladium activation layer on a substrate in manufacturing an article with an integrated circuit and a method and use thereof, wherein the solution comprises: - at least one hydroxycarboxylic acid or...

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Main Authors BREMMERT, Stefanie, GERNHARD, Marius, GREGORIADES, Dr. Laurence John, WURDINGER, Kay
Format Patent
LanguageEnglish
French
Published 25.06.2020
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Abstract The invention relates to an aqueous alkaline pre-treatment solution for use prior to deposition of a palladium activation layer on a substrate in manufacturing an article with an integrated circuit and a method and use thereof, wherein the solution comprises: - at least one hydroxycarboxylic acid or salt thereof according to the general formula (I) [RCH2-(RCH)n-COO-]m Mm+ (I) wherein n is integer from 2 to 4 and m is 1 or 2, R is independently H or OH with proviso that at least one R is OH, and wherein Mm+ with m: 1 is hydrogen, ammonium or alkali metal; or Mm+ with m: 2 is earth alkali metal, - at least one polyoxyethylene sorbitan fatty acid ester, - at least one sulphonated fatty acid or a salt thereof. L'invention concerne une solution aqueuse alcaline de prétraitement destinée à être utilisée avant le dépôt d'une couche d'activation au palladium sur un substrat dans la fabrication d'un article avec un circuit intégré, ainsi qu'un procédé et une utilisation de celle-ci, la solution comprenant : - au moins un acide hydroxycarboxylique ou un sel de celui-ci selon la formule générale (I) [RCH2-(RCH)n-COO-]m Mm+ (I), n étant un nombre entier de 2 à 4 et m valant 1 ou 2, R étant indépendamment H ou OH à condition qu'au moins un R soit OH, et Mm+ avec m : 1 représentant hydrogène, ammonium ou métal alcalin ; ou Mm+ avec m : 2 étant un métal alcalino-terreux, - au moins un ester d'acide gras de polyoxyéthylène sorbitane, - au moins un acide gras sulfoné ou un sel de celui-ci.
AbstractList The invention relates to an aqueous alkaline pre-treatment solution for use prior to deposition of a palladium activation layer on a substrate in manufacturing an article with an integrated circuit and a method and use thereof, wherein the solution comprises: - at least one hydroxycarboxylic acid or salt thereof according to the general formula (I) [RCH2-(RCH)n-COO-]m Mm+ (I) wherein n is integer from 2 to 4 and m is 1 or 2, R is independently H or OH with proviso that at least one R is OH, and wherein Mm+ with m: 1 is hydrogen, ammonium or alkali metal; or Mm+ with m: 2 is earth alkali metal, - at least one polyoxyethylene sorbitan fatty acid ester, - at least one sulphonated fatty acid or a salt thereof. L'invention concerne une solution aqueuse alcaline de prétraitement destinée à être utilisée avant le dépôt d'une couche d'activation au palladium sur un substrat dans la fabrication d'un article avec un circuit intégré, ainsi qu'un procédé et une utilisation de celle-ci, la solution comprenant : - au moins un acide hydroxycarboxylique ou un sel de celui-ci selon la formule générale (I) [RCH2-(RCH)n-COO-]m Mm+ (I), n étant un nombre entier de 2 à 4 et m valant 1 ou 2, R étant indépendamment H ou OH à condition qu'au moins un R soit OH, et Mm+ avec m : 1 représentant hydrogène, ammonium ou métal alcalin ; ou Mm+ avec m : 2 étant un métal alcalino-terreux, - au moins un ester d'acide gras de polyoxyéthylène sorbitane, - au moins un acide gras sulfoné ou un sel de celui-ci.
Author GREGORIADES, Dr. Laurence John
BREMMERT, Stefanie
GERNHARD, Marius
WURDINGER, Kay
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DocumentTitleAlternate SOLUTION AQUEUSE ALCALINE DE PRÉTRAITEMENT DESTINÉE À ÊTRE UTILISÉE AVANT LE DÉPÔT D'UNE COUCHE D'ACTIVATION AU PALLADIUM, PROCÉDÉ ET UTILISATION DE CELLE-CI
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RelatedCompanies ATOTECH DEUTSCHLAND GMBH
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Snippet The invention relates to an aqueous alkaline pre-treatment solution for use prior to deposition of a palladium activation layer on a substrate in manufacturing...
SourceID epo
SourceType Open Access Repository
SubjectTerms CHEMICAL SURFACE TREATMENT
CHEMISTRY
COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
COATING MATERIAL WITH METALLIC MATERIAL
COATING METALLIC MATERIAL
DIFFUSION TREATMENT OF METALLIC MATERIAL
INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL
METALLURGY
SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
Title AQUEOUS ALKALINE PRE-TREATMENT SOLUTION FOR USE PRIOR TO DEPOSITION OF A PALLADIUM ACTIVATION LAYER, METHOD AND USE THEREOF
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