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US4014760A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrodeposition of copper

Assignee: M&T HARSHAW
•
Filing: 1976-02-17
•
Granted: 1977-03-29
•
Expires: 1996-02-17
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Abstract

Abstract This invention relates to novel compositions and to a process for electrodepositing copper from an aqueous acidic copper plating bath containing at least one member independently selected from each of the following two groups:

Inventors

  • 👤 Otto Kardos
  • 👤 Donald A. Arcilesi
  • 👤 Silvester P. Valayil

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 14:08
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/38

Claims Analysis

Total Claims: 22
Claim 1
Independent Claim 126 words
A process for electrodepositing copper from an aqueous acidic copper plating bath containing at least one member independently selected from each of the following two groups: A. 0.005 gram per liter to 40 grams per liter of a aryl an selected from those exhibiting the formulae: ##STR31## and its reaction product with 3 moles of propane sultone per mole of amine, ##STR32## wherein Z is selected from the group consisting of oxygen and --NCH 2 --C 6 H 5 ; and B. sulfoalkyl sulfide compounds containing the grouping --S--Alk--SO 3 M where M is one gram-equivalent of a cation and --Alk-- is a divalent aliphatic hydrocarbon group of 1 to 8 carbon atoms in an amount of 0.1 milligrams per liter to 1000 milligrams per liter.
Claim 2
Dependent Claim 126 words
A process for electrodepositing copper from an aqueous acidic copper plating bath containing at least one member independently selected from each of the following two groups: A. 0.005 gram per liter to 40 grams per liter of a aryl an selected from those exhibiting the formulae: ##STR31## and its reaction product with 3 moles of propane sultone per mole of amine, ##STR32## wherein Z is selected from the group consisting of oxygen and --NCH 2 --C 6 H 5 ; and B. sulfoalkyl sulfide compounds containing the grouping --S--Alk--SO 3 M where M is one gram-equivalent of a cation and --Alk-- is a divalent aliphatic hydrocarbon group of 1 to 8 carbon atoms in an amount of 0.1 milligrams per liter to 1000 milligrams per liter.
Claim 3
Dependent Claim 16 words
The process as claimed in claim 1 where the cooperating amine is of the formula: ##STR33##
Claim 4
Dependent Claim 27 words
The process as claimed in claim 1 where the cooperating amine is of the formula: Reaction product of 1 mole of ##STR34## with 3 moles propane sultone.
Claim 5
Dependent Claim 16 words
The process as claimed in claim 1 where the cooperating amine is of the formula: ##STR35##
Claim 6
Dependent Claim 16 words
The process as claimed in claim 1 where the cooperating amine is of the formula: ##STR36##
Claim 7
Dependent Claim 173 words
A process for electrodepositing copper from an aqueous acidic copper plating bath containing at least one member independently selected from each of the following three groups: A. 0.005 gram per liter to 40 grams per liter of an aryl amine selected from those exhibiting the formulae: ##STR37## and its reaction product with 3 moles of propane sultone per mole of amine, ##STR38## wherein Z is selected from the group consisting of oxygen and --NCH 2 --C 6 H 5 ; B. sulfoalkyl sulfide compounds containing the grouping --S--Alk--SO 3 M where M is one gram-equivalent of a cation and --Alk-- is a divalent aliphatic hydrocarbon group of 1 to 8 carbon atoms in an amount of 0.01 milligrams per liter to 1000 milligrams per liter; and C. diffusion controlled inhibitors which act as leveling agents which contain at least one group ##STR39## or its tautomer ##STR40## in an amount of at least 0.1 milligram per liter of the group consisting of phenazine azo dyes, polyethyleneimines, alkylated polyethyleneimines, polyvinylpyridine, polyvinylalkylpyridines, and their quaternization products.
Claim 8
Dependent Claim 173 words
A process for electrodepositing copper from an aqueous acidic copper plating bath containing at least one member independently selected from each of the following three groups: A. 0.005 gram per liter to 40 grams per liter of an aryl amine selected from those exhibiting the formulae: ##STR37## and its reaction product with 3 moles of propane sultone per mole of amine, ##STR38## wherein Z is selected from the group consisting of oxygen and --NCH 2 --C 6 H 5 ; B. sulfoalkyl sulfide compounds containing the grouping --S--Alk--SO 3 M where M is one gram-equivalent of a cation and --Alk-- is a divalent aliphatic hydrocarbon group of 1 to 8 carbon atoms in an amount of 0.01 milligrams per liter to 1000 milligrams per liter; and C. diffusion controlled inhibitors which act as leveling agents which contain at least one group ##STR39## or its tautomer ##STR40## in an amount of at least 0.1 milligram per liter of the group consisting of phenazine azo dyes, polyethyleneimines, alkylated polyethyleneimines, polyvinylpyridine, polyvinylalkylpyridines, and their quaternization products.
Claim 9
Dependent Claim 145 words
A process for electrodepositing copper from an aqueous acidic copper plating bath containing at least one member independently selected from each of the following three groups: A. 0.005 gram per liter to 40 grams per liter of an aryl amine selected from those exhibiting the formulae: ##STR41## and its reaction product with 3 moles of propane sultone per mole of amine, ##STR42## wherein Z is selected from the group consisting of oxygen and --NCH 2 --C 6 H 5 ; B. sulfoalkyl sulfide compounds containing the grouping --S--Alk--SO 3 M where M is one gram-equivalent of a cation and --Alk-- is a divalent aliphatic hydrocarbon group of 1 to 8 carbon atoms in an amount of 0.01 milligrams per liter to 1000 milligrams per liter; and C. 0.001 gram per liter to 1 gram per liter of condensation products of formaldehyde and naphthalene sulfonic acids.
Claim 10
Dependent Claim 145 words
A process for electrodepositing copper from an aqueous acidic copper plating bath containing at least one member independently selected from each of the following three groups: A. 0.005 gram per liter to 40 grams per liter of an aryl amine selected from those exhibiting the formulae: ##STR41## and its reaction product with 3 moles of propane sultone per mole of amine, ##STR42## wherein Z is selected from the group consisting of oxygen and --NCH 2 --C 6 H 5 ; B. sulfoalkyl sulfide compounds containing the grouping --S--Alk--SO 3 M where M is one gram-equivalent of a cation and --Alk-- is a divalent aliphatic hydrocarbon group of 1 to 8 carbon atoms in an amount of 0.01 milligrams per liter to 1000 milligrams per liter; and C. 0.001 gram per liter to 1 gram per liter of condensation products of formaldehyde and naphthalene sulfonic acids.
Claim 11
Dependent Claim 120 words
An aqueous acidic copper plating bath containing at least one member independently selected from each of the following two groups: A. 0.005 gram per liter to 40 grams per liter of an aryl amine selected from those exhibiting the formulae: ##STR43## and its reaction product with 3 moles of propane sultone per mole of amine, ##STR44## wherein Z is selected from the group consisting of oxygen and --NCH 2 --C 6 H.sub. 5 ; and B. sulfoalkyl sulfide compounds containing the grouping --S--Alk--SO 3 M where M is one gram-equivalent of a cation and --Alk-- is a divalent aliphatic hydrocarbon group of 1 to 8 carbon atoms in an amount of 0.01 milligrams per liter to 1000 milligrams per liter.
Claim 12
Dependent Claim 120 words
An aqueous acidic copper plating bath containing at least one member independently selected from each of the following two groups: A. 0.005 gram per liter to 40 grams per liter of an aryl amine selected from those exhibiting the formulae: ##STR43## and its reaction product with 3 moles of propane sultone per mole of amine, ##STR44## wherein Z is selected from the group consisting of oxygen and --NCH 2 --C 6 H.sub. 5 ; and B. sulfoalkyl sulfide compounds containing the grouping --S--Alk--SO 3 M where M is one gram-equivalent of a cation and --Alk-- is a divalent aliphatic hydrocarbon group of 1 to 8 carbon atoms in an amount of 0.01 milligrams per liter to 1000 milligrams per liter.
Claim 13
Dependent Claim 19 words
An aqueous acidic copper electroplating bath as claimed in claim 8 wherein the cooperating amine exhibits the formula: ##STR45##
Claim 14
Dependent Claim 30 words
An aqueous acidic copper electroplating bath as claimed in claim 8 wherein the cooperating amine exhibits the formula: Reaction product of 1 mole of ##STR46## with 3 moles propane sultone.
Claim 15
Dependent Claim 19 words
An aqueous acidic copper electroplating bath as claimed in claim 8 wherein the cooperating amine exhibits the formula: ##STR47##
Claim 16
Dependent Claim 19 words
An aqueous acidic copper electroplating bath as claimed in claim 8 wherein the cooperating amine exhibits the formula: ##STR48##
Claim 17
Dependent Claim 139 words
An aqueous acidic copper electroplating bath containing at least one member independently selected from each of the following three groups: A. an aryl amine selected from those exhibiting the formulae: ##STR49## and its reaction product with 3 moles of propane sultone per mole of amine, ##STR50## wherein Z is selected from the group consisting of oxygen and --NCH 2 --C 6 H 5 ; B. sulfoalkyl sulfide compounds containing the grouping --S--Alk--SO 3 M where M is one gram-equivalent of a cation and --Alk-- is a divalent aliphatic hydrocarbon group of 1 to 8 carbon atoms in an amount of 0.01 milligrams per liter to 1000 milligrams per liter; C. diffusion controlled inhibitors which act as leveling agents which contain at least one group ##STR51## or its tautomer ##STR52## in an amount of at least 0.1 milligram per liter.
Claim 18
Dependent Claim 139 words
An aqueous acidic copper electroplating bath containing at least one member independently selected from each of the following three groups: A. an aryl amine selected from those exhibiting the formulae: ##STR49## and its reaction product with 3 moles of propane sultone per mole of amine, ##STR50## wherein Z is selected from the group consisting of oxygen and --NCH 2 --C 6 H 5 ; B. sulfoalkyl sulfide compounds containing the grouping --S--Alk--SO 3 M where M is one gram-equivalent of a cation and --Alk-- is a divalent aliphatic hydrocarbon group of 1 to 8 carbon atoms in an amount of 0.01 milligrams per liter to 1000 milligrams per liter; C. diffusion controlled inhibitors which act as leveling agents which contain at least one group ##STR51## or its tautomer ##STR52## in an amount of at least 0.1 milligram per liter.
Claim 19
Dependent Claim 26 words
A composition for electrodepositing copper from an aqueous acidic copper electroplating bath containing at least one member independently selected from each of the following three groups:
Claim 20
Dependent Claim 26 words
A composition for electrodepositing copper from an aqueous acidic copper electroplating bath containing at least one member independently selected from each of the following three groups:
Claim 21
Dependent Claim 119 words
A. 0.005 gram per liter to 40 grams per liter of an aryl amine selected from those exhibiting the formulae: ##STR53## and its reaction product with 3 moles of propane sultone per mole of amine, ##STR54## wherein Z is selected from the group consisting of oxygen and --NCH 2 --C 6 H 5 ; B. sulfoalkyl sulfide compounds containing the grouping --A--Alk--SO 3 M where M is one gram-equivalent of a cation and --Alk-- is a divalent aliphatic hydrocarbon group of 1 to 8 carbon atoms in an amount of 0.001 milligrams per liter to 1000 milligrams per liter; and C. 0.001 gram per liter to 1 gram per liter of condensation products of formaldehyde and naphthalene sulfonic acids.
Claim 22
Dependent Claim 119 words
A. 0.005 gram per liter to 40 grams per liter of an aryl amine selected from those exhibiting the formulae: ##STR53## and its reaction product with 3 moles of propane sultone per mole of amine, ##STR54## wherein Z is selected from the group consisting of oxygen and --NCH 2 --C 6 H 5 ; B. sulfoalkyl sulfide compounds containing the grouping --A--Alk--SO 3 M where M is one gram-equivalent of a cation and --Alk-- is a divalent aliphatic hydrocarbon group of 1 to 8 carbon atoms in an amount of 0.001 milligrams per liter to 1000 milligrams per liter; and C. 0.001 gram per liter to 1 gram per liter of condensation products of formaldehyde and naphthalene sulfonic acids.

References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-03-28 1980-09-27 1981-03-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-03-28 1984-09-27 1985-03-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-03-28 1988-09-27 1989-03-29 $7700.00 Window Closed / Lapsed

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