US4950583A
Expired / Lapsed
US
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Adhesion promoting product and process for treating an integrated circuit substrate therewith
Assignee: Brewer Science Inc
•
Filing: 1986-09-17
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Granted: 1990-08-21
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Expires: 2006-09-17
Abstract
Abstract An improved method of promoting the adhesion of microelectronic coatings to substrates uses new adhesion promoters, catalysts for adhesion promoters and adjuvant polymers.
Inventors
- 👤 Terry Brewer
- 👤 Tony D. Flaim
- 👤 Mary G. Moss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:22
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/075; G03F7/0751; Y; Y10; Y10S; Y10S438/00; Y10S438/942; Y10S438/948
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
55 words
In a method of producing microelectronic components by photolithography the improvement comprising applying an adhesion promoting alkoxysilane to a microelectronic component substrate, the adhesion promoting alkoxy silane being selected from the group consisting of p-aminophenyltriethoxysilane; beta-trimethoxysilylethyl-2-pyridine; 4,5-dihydro-1-(3-(triethoxysilyl)propyl)-1H-imidazole, and (aminoethylaminomethyl)phenylethyltrimethoxysilane, the adhesion promoter being effective to increase the bond of a microelectronic coating to the substrate.
Claim 2
Dependent Claim
55 words
In a method of producing microelectronic components by photolithography the improvement comprising applying an adhesion promoting alkoxysilane to a microelectronic component substrate, the adhesion promoting alkoxy silane being selected from the group consisting of p-aminophenyltriethoxysilane; beta-trimethoxysilylethyl-2-pyridine; 4,5-dihydro-1-(3-(triethoxysilyl)propyl)-1H-imidazole, and (aminoethylaminomethyl)phenylethyltrimethoxysilane, the adhesion promoter being effective to increase the bond of a microelectronic coating to the substrate.
Claim 3
Dependent Claim
11 words
The method of claim 1 wherein the adhesion promoter is p-aminophenyltriethoxysilane.
Claim 4
Dependent Claim
11 words
The method of claim 1 wherein the adhesion promoter is beta-trimethoxysilylethyl-2pyridine.
Claim 5
Dependent Claim
12 words
The method of claim 1 wherein the adhesion promoter is 4,5-dihydro-1(3-triethoxysilyl)propyl)-1H imidazole.
Claim 6
Dependent Claim
11 words
The method of claim 1 wherein the adhesion promoter is (aminoethylaminomethyl)phenylethyltrimethoxysilane.
Claim 7
Dependent Claim
77 words
In a method of producing microelectronic components by photolithography the improvement comprising applying an adhesion promoter to the microelectronic component substrate, the adhesion promoter comprising an adhesion promoting alkoxy silane and an activating catalyst, the catalyst being selected from the group consisting of acidic catalysts and basic catalysts, the catalyst being effective to increase the bonding of the alkoxy silane and the combination being effective to increase the bond of a microelectronic coating to the substrate. PG,19
Claim 8
Dependent Claim
77 words
In a method of producing microelectronic components by photolithography the improvement comprising applying an adhesion promoter to the microelectronic component substrate, the adhesion promoter comprising an adhesion promoting alkoxy silane and an activating catalyst, the catalyst being selected from the group consisting of acidic catalysts and basic catalysts, the catalyst being effective to increase the bonding of the alkoxy silane and the combination being effective to increase the bond of a microelectronic coating to the substrate. PG,19
Claim 9
Dependent Claim
53 words
The method of claim 6 wherein the catalyst is selected from the group consisting of ammonia, water soluble amines, carboxylic acids, sulfonic acids and mineral acids, the catalyst being effective to increase the bonding of, alkoxy silane adhesion promoters and being free of inhibiting and deleterious constituents including anions destructive to microelectronic circuitry.
Claim 10
Dependent Claim
10 words
The method of claim 6 wherein the catalyst is ethanolamine.
Claim 11
Dependent Claim
11 words
The method of claim 6 wherein the catalyst is acetic acid.
Claim 12
Dependent Claim
67 words
In a method of producing microelectronic components by photolithography the improvement comprising applying an adhesion promoter to a microelectronic substrate, the adhesion promoter comprising an adhesion promoting alkoxy silane and an adjuvant polymer, the polymer being effective when combined with the alkoxy silane to increase the activity of the alkoxy silane and the combination being effective to increase the bond of a microelectronic coating to the substrate.
Claim 13
Dependent Claim
67 words
In a method of producing microelectronic components by photolithography the improvement comprising applying an adhesion promoter to a microelectronic substrate, the adhesion promoter comprising an adhesion promoting alkoxy silane and an adjuvant polymer, the polymer being effective when combined with the alkoxy silane to increase the activity of the alkoxy silane and the combination being effective to increase the bond of a microelectronic coating to the substrate.
Claim 14
Dependent Claim
80 words
The method of claim 10 wherein the adjuvant polymer is selected from the group consisting of polycarbohydrate polymers, polyalkylamine polymers, polycarboxylic acid polymers, polyalcohol polymers, polyglycol polymers and copolymers and mixtures thereof, the polymer being effective to increase the bond of the alkoxy silane and the combination being effective to increase the bond of a microelectronic coating to the substrate, the combination being effective to bond a microelectronic coating to a substrate without baking the adhesion promoter on the substrate.
Claim 15
Dependent Claim
11 words
The method of claim 10 wherein the adjuvant polymer is polyethyleneimine.
Claim 16
Dependent Claim
12 words
The method of claim 10 wherein the adjuvant polymer is methyl cellulose.
Claim 17
Dependent Claim
16 words
The method of claim 10 wherein the adjuvant polymer is polymethylvinylether/maleic anhydride half isopropyl ester copolymer.
Claim 18
Dependent Claim
103 words
In a method of producing microelectronic components by photolithography the improvement comprising applying an adhesion promoting alkoxy silane to a microelectronic component substrate, the adhesion promoting alkoxy silane being applied to the microelectronic substrate as a solution, the solution containing between about 0.05-0.5 weight percent alkoxy silane, an adjuvant polymer, the polymer being effective when combined with the alkoxy silane to increase the activity of the alkoxy silane, an adhesion promoting catalyst, the catalyst being effective to increase the bonding of the alkoxy silane and an aqueous solvent, the combination being effective to increase the bond of a microelectronic coating to the substrate.
Claim 19
Dependent Claim
103 words
In a method of producing microelectronic components by photolithography the improvement comprising applying an adhesion promoting alkoxy silane to a microelectronic component substrate, the adhesion promoting alkoxy silane being applied to the microelectronic substrate as a solution, the solution containing between about 0.05-0.5 weight percent alkoxy silane, an adjuvant polymer, the polymer being effective when combined with the alkoxy silane to increase the activity of the alkoxy silane, an adhesion promoting catalyst, the catalyst being effective to increase the bonding of the alkoxy silane and an aqueous solvent, the combination being effective to increase the bond of a microelectronic coating to the substrate.
Claim 20
Dependent Claim
18 words
The method of claim 15 wherein the solution contains between about 0.05-0.5 weight percent of an adjuvant polymer.
Claim 21
Dependent Claim
15 words
The method of claim 15 wherein the solution contains between about 0.05-0.1 weight percent catalyst.
Claim 22
Dependent Claim
32 words
The method of claim 15 wherein the adjuvant polymer is selected from the group consisting of polycarbonate polymers, polyalkylamine polymers, polycarboxylic acid polymers, polyalcohol polymers, polyglycol polymers and copolymers and mixtures thereof.
Claim 23
Dependent Claim
54 words
The method of claim 23 wherein the catalyst is selected from the group consisting of ammonia, water soluble amines, carboxylic acids, sulfonic acids and mineral acids, the catalyst being effective to increase the bonding of the alkoxy silane adhesion promoter and being free of inhibiting and deleterious constituents including anions destructive to microelectronic circuitry.
Claim 24
Dependent Claim
85 words
An adhesion promoter for bonding microelectronic coatings to a substrate to produce microelectronic components comprising a solution of an adhesion promoting alkoxy silane containing between about 0.05-0.5 weight percent alkoxy silane, an adjuvant polymer, the polymer being effective when combined with the alkoxy silane to increase the activity of the alkoxy silane, and an adhesion promoting catalyst, the catalyst being effective to increase the bonding of the alkoxy silane and the combination being effective to increase the bond of a microelectronic coating to a substrate.
Claim 25
Dependent Claim
85 words
An adhesion promoter for bonding microelectronic coatings to a substrate to produce microelectronic components comprising a solution of an adhesion promoting alkoxy silane containing between about 0.05-0.5 weight percent alkoxy silane, an adjuvant polymer, the polymer being effective when combined with the alkoxy silane to increase the activity of the alkoxy silane, and an adhesion promoting catalyst, the catalyst being effective to increase the bonding of the alkoxy silane and the combination being effective to increase the bond of a microelectronic coating to a substrate.
Claim 26
Dependent Claim
54 words
The adhesion promoter of claim 20 wherein the catalyst is selected from the group consisting of ammonia, water soluble amines, carboxylic acids, sulfonic acids and mineral acids, the catalyst being effective to increase the bonding of alkoxy silane adhesion promoters and being free of inhibiting and deleterious constituents including anions destructive to microelectronic circuitry.
Claim 27
Dependent Claim
33 words
The adhesion promoter of claim 20 wherein the adjuvant polymer is selected from the group consisting of polycarbohydrate polymers, polyalkylamine polymers, polycarboxylic acid polymers, polyalcohol polymers, polyglycol polymers and copolymers and mixtures thereof.
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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) | 1993-08-20 | 1994-02-19 | 1994-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-08-20 | 1998-02-19 | 1998-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-08-20 | 2002-02-19 | 2002-08-21 | $7700.00 | Window Closed / Lapsed |