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US4695403A
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Thick film conductor composition
Assignee: Panasonic Holdings Corp
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Filing: 1986-06-17
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Granted: 1987-09-22
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Expires: 2006-06-17
Abstract
Abstract A thick film conductor composition for a ceramic wiring substrate comprises an inorganic ingredient mainly composed of a copper oxide powder added with a metal capable of forming a homogeneous solid solution with copper, and an organic vehicle. The inorganic ingredient may be further added with a manganese oxide or a heat resistant insulating material such as ceramics and/or glass.
Inventors
- 👤 Tsutomu Nishimura
- 👤 Seiichi Nakatani
- 👤 Satoru Yuhaku
- 👤 Toru Ishida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:34
CPC Classifications
H; H05; H05K; H05K3/00; C; C04; C04B; C04B41/00; C04B41/80; C04B41/81; C04B41/85; C04B41/88; C04B41/45; C04B41/50; C04B41/51; C04B41/5127; H01; H01B; H01B1/00; H01B1/14; H01B1/16; H10; H10W; H10W70/00; H10W70/60; H10W70/62; H10W70/66; H10W70/666; H05K1/00; H05K1/02; H05K1/09; H05K1/092
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
53 words
A thick film conductor composition comprising an inorganic ingredient and an organic vehicle, wherein said inorganic ingredient comprises 80-98 wt% of copper oxide, and 2-20 wt% of at least one metal selected from the group consisting of Pt, Pd and Ni which metals are capable of forming a homogeneous solid solution with copper.
Claim 2
Dependent Claim
53 words
A thick film conductor composition comprising an inorganic ingredient and an organic vehicle, wherein said inorganic ingredient comprises 80-98 wt% of copper oxide, and 2-20 wt% of at least one metal selected from the group consisting of Pt, Pd and Ni which metals are capable of forming a homogeneous solid solution with copper.
Claim 3
Dependent Claim
16 words
A thick film conductor composition as defined in claim 1, wherein the copper oxide is CuO.
Claim 4
Dependent Claim
34 words
A thick film conductor composition as defined in claim 1, wherein at least 95 wt% of the copper oxide powder is included within a range of particle size from 1 μm to 9 μm.
Claim 5
Dependent Claim
78 words
A thick film conductor composition comprising an inorganic ingredient and an organic vehicle, wherein said inorganic ingredient comprises a 70-97 wt% of copper oxide, 2-20 wt% of at least one metal selected from the group consisting of Pt, Pd and Ni, which metals are capable of forming a homogeneous solid solution with copper, and a 1-10 wt% of a heat resistant insulation material made of at least one material selected from the group consisting of ceramics and glass.
Claim 6
Dependent Claim
78 words
A thick film conductor composition comprising an inorganic ingredient and an organic vehicle, wherein said inorganic ingredient comprises a 70-97 wt% of copper oxide, 2-20 wt% of at least one metal selected from the group consisting of Pt, Pd and Ni, which metals are capable of forming a homogeneous solid solution with copper, and a 1-10 wt% of a heat resistant insulation material made of at least one material selected from the group consisting of ceramics and glass.
Claim 7
Dependent Claim
41 words
A thick film conductor composition as defined in claim 4, wherein the heat resistant insulation material comprises an ingredient selected from BaO, B 2 O 3 , CaO, MgO, Al 2 O 3 and SiO 2 in the form of oxides.
Claim 8
Dependent Claim
33 words
A thick film conductor composition as defined in claim 1, wherein at least 95 wt% of the copper oxide powder is included within a range of particle size from 1 to 9 μm.
Claim 9
Dependent Claim
59 words
A thick film conductor composition comprising an inorganic ingredient and an organic vehicle, wherein said inorganic ingredient comprises 70-97 wt% of copper oxide, 2-20 wt% of at least one metal selected from the group consisting of Pt, Pd and Ni, which metals are capable of forming a homogeneous solid solution with copper, and a 1-10 wt% of manganese oxide.
Claim 10
Dependent Claim
59 words
A thick film conductor composition comprising an inorganic ingredient and an organic vehicle, wherein said inorganic ingredient comprises 70-97 wt% of copper oxide, 2-20 wt% of at least one metal selected from the group consisting of Pt, Pd and Ni, which metals are capable of forming a homogeneous solid solution with copper, and a 1-10 wt% of manganese oxide.
Claim 11
Dependent Claim
31 words
A thick film conductor composition as defined in claim 7, wherein the metal capable of forming the homogenous solid solution with copper comprises at least one of Pt, Pd and Ni.
Claim 12
Dependent Claim
18 words
A thick film conductor composition as defined in claim 7, wherein the manganese oxide is MnO 2 .
Claim 13
Dependent Claim
51 words
A thick film conductor composition as defined in claim 7, wherein at least 95 wt% of the copper oxide powder is included within a range of particle size from 1 to 9 μm, and at least 95 wt% of the manganses oxide has a particle size of at most 5 μm.
Claim 14
Dependent Claim
81 words
A thick film conductor composition comprising an inorganic ingredient and an organic vehicle, wherein said inorganic ingredient comprises 60-96 wt% of copper oxide, 2-20 wt% of at least one metal selected from the group consisting of Pt, Pd and Ni, which metals are capable of forming homogeneous solid solution with copper, 1-10 wt% of a heat resistant insulation material made of at least one material selected from the group consisting of ceramics and glass, and a 1-10 wt% of manganese oxide.
Claim 15
Dependent Claim
81 words
A thick film conductor composition comprising an inorganic ingredient and an organic vehicle, wherein said inorganic ingredient comprises 60-96 wt% of copper oxide, 2-20 wt% of at least one metal selected from the group consisting of Pt, Pd and Ni, which metals are capable of forming homogeneous solid solution with copper, 1-10 wt% of a heat resistant insulation material made of at least one material selected from the group consisting of ceramics and glass, and a 1-10 wt% of manganese oxide.
Claim 16
Dependent Claim
45 words
A thick film conductor composition as defined in claim 11, wherein the heat resistant insulating material comprises an ingredient selected from the group consisting of BaO, B 2 O 3 , CaO, MgO, Al 2 O 3 and SiO 2 in the form of oxides.
Claim 17
Dependent Claim
18 words
A thick film conductor composition as defined in claim 11, wherein the manganese oxide is MnO 2 .
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