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US4554229A Expired / Lapsed US ⏱️ 0.0 years remaining

Multilayer hybrid integrated circuit

Assignee: AT&T Inc
•
Filing: 1984-04-06
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Granted: 1985-11-19
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Expires: 2004-04-06
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Abstract

Abstract A multilayer circuit device comprises a substrate having a plurality of metallized patterns thereon said patterns being separated by a photodefined polymeric dielectric film formed from a polymeric photodefinable triazine base mixture including a photosensitive acrylate moiety. The various circuit patterns are interconnected by means of microvias through the polymeric film or film layers.

Inventors

  • 👤 Richard D. Small, Jr.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 14:20
CPC Classifications
H; H10; H10W; H10W70/00; H10W70/60; H10W70/611; G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; H05; H05K; H05K3/00; H05K3/46; H05K3/4644; H05K3/4673; H05K3/4676; H10W70/67; H10W70/68; H10W70/685; H05K2201/00; H05K2201/01; H05K2201/0104; H05K2201/0133; H05K2201/09; H05K2201/09209; H05K2201/095; H05K2201/09509; H05K3/0011; H05K3/0017; H05K3/0023; Y; Y10; Y10S; Y10S428/00; Y10S428/901; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/12; Y10S430/121

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 75 words
A multilayer circuit device comprising a substrate having a metallized pattern thereon and a plurality of polymeric dielectric film layers each having a metallized circuit pattern thereon with metallized microvias interconnecting the metallized patterns of one layer with that of at least one other metallized layer thereunder, said polymeric dielectric layer being formed from a photodefinable triazine base mixture including a photosensitive acrylate moiety wherein the triazine comprises from 40-65 weight percent of the mixture.
Claim 2
Dependent Claim 75 words
A multilayer circuit device comprising a substrate having a metallized pattern thereon and a plurality of polymeric dielectric film layers each having a metallized circuit pattern thereon with metallized microvias interconnecting the metallized patterns of one layer with that of at least one other metallized layer thereunder, said polymeric dielectric layer being formed from a photodefinable triazine base mixture including a photosensitive acrylate moiety wherein the triazine comprises from 40-65 weight percent of the mixture.
Claim 3
Dependent Claim 115 words
The device of claim 1, wherein the triazine mixture comprises 40 to 65 weight percent triazine, 0 to 30 weight percent rubber resin, 0 to 50 weight percent of a member selected from the group consisting of an epoxy acrylate hybrid resin and a combination comprising an epoxy resin and an acrylate resin wherein when the percent of both the epoxy acrylate hybrid and acrylate resin in the triazine mixture is zero, the acrylate moiety is on the triazine molecule, 0 to 12 weight percent of a hardener, 0 to 8 weight percent of a crosslinking agent, 0 to 5 weight percent of a coupling agent and 1/2 to 3 weight percent of a photoinitiator.
Claim 4
Dependent Claim 45 words
The device as set forth in claim 2, wherein the rubber resin is an acrylonitrile butadiene rubber, the epoxy and acrylate is in the form of a hybrid epoxy-acrylate resin which is carboxy or vinyl terminated and the coupling agent is a silane coupling agent.
Claim 5
Dependent Claim 17 words
The device recited in claim 3 further including N-vinylpyrrolidone as the hardener, and 2,2-dimethoxy-2-phenylacetophenone as the photoinitiator.
Claim 6
Dependent Claim 16 words
The device as recited in claim 2 further including a surfactant and a copper chelate thermostabilizer.
Claim 7
Dependent Claim 38 words
The device as recited in claim 1, wherein the triazine mixture comprises: triazine--50-60 weight percent; half acrylate of the diglycidyl ether of bisphenol-A--20-30 weight percent; N-vinylpyrrolidone--5-12 weight percent; trimethylolpropanetriacrylate--2-6 weight percent; glycidoxypropyltrimethoxysilane--2-5 weight percent; and 2,2-dimethoxy-2-phenylacetophenone--1-3 weight percent.
Claim 8
Dependent Claim 47 words
The device recited in claim 1, wherein the triazine mixture comprises: triazine--50-60 weight percent; acrylated acrylonitrile butadiene rubber--10-25 weight percent; half acrylate of the diglycidyl ether of bisphenol-A--5-15 weight percent; N-vinylpyrrolidone--5-12 weight percent; epoxy propylacrylate--1-5 weight percent; trimethylolpropanetriacrylate--2-6 weight percent; glycidoxypropyltrimethoxysilane--2-5 weight percent; and 2,2-dimethoxy-2-phenylacetophenone--1-3 weight percent.
Claim 9
Dependent Claim 52 words
The device recited in claim 1, wherein the triazine mixture comprises: triazine--50-55 weight percent; acrylated acrylonitrile butadiene rubber--20-30 weight percent; half acrylate of the diglycidyl ether of bisphenol-A--5-15 weight percent; N-vinylpyrrolidone--5-12 weight percent; trimethylolpropanetriacrylate--2-4 weight percent; glycidoxypropyltrimethoxysilane--1-5 weight percent; 2,2-dimethoxy-2-phenylacetophenone--1-3 weight percent; pigment--0.25-1 weight percent; surfactant--0.1-1 weight percent; and stabilizer--0.2-1 weight percent.
Claim 10
Dependent Claim 28 words
An electronic device having a layer thereon which layer is formed from a photodefinable triazine based mixture wherein the triazine comprises from 40-65 weight percent of the mixture.
Claim 11
Dependent Claim 28 words
An electronic device having a layer thereon which layer is formed from a photodefinable triazine based mixture wherein the triazine comprises from 40-65 weight percent of the mixture.

References Cited (Backward Citations)

US3397204A Cited
US3900594A Cited
US4060656A Cited
US4054483A Cited
US4320189A Cited
US4329384A Cited
US4357219A Cited
US4456712A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-11-18 1989-05-20 1989-11-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-11-18 1993-05-20 1993-11-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-11-18 1997-05-20 1997-11-19 $7700.00 Window Closed / Lapsed

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