Patent US5197170A successfully refreshed from Google Patents.
US5197170A
Expired / Lapsed
US
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Method of producing an LC composite part and an LC network part
Assignee: Murata Manufacturing Co Ltd
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Filing: 1990-11-15
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Granted: 1993-03-30
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Expires: 2010-11-15
Abstract
Abstract A process of forming an LC composite part. The process includes the steps of: forming a substrate having a capacitor section by laminating ceramic sheets having a plurality of capacitor electrodes formed thereon such that the ceramic sheets and electrode layers alternate, sintering the substrate, forming a plurality of coil sections on the sintered substrate, cutting the substrate into composite parts, and electrically connecting the capacitor electrode layers with the coil section.
Inventors
- 👤 Atsuo Senda
- 👤 Osamu Kano
- 👤 Yasuo Fujiki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:18
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/40; H03; H03H; H03H1/00; H03H7/00; H03H7/01; H03H7/0115; H03H2001/0021; H03H2001/0085; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T29/00; Y10T29/43; Y10T29/435; Y10T29/49; Y10T29/49002; Y10T29/4902
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
107 words
A method of producing an LC composite part, comprising the steps of: forming a substrate having a capacitor section including a plurality of capacitor units by laminating ceramic sheets having capacitor electrode layers formed thereof such that said capacitor electrode layers and said ceramic sheets alternate; sintering the substrate; forming a coil section including a plurality of spiral coil patterns on the sintered substrate by a thin film forming method; dividing the laminated substrate having the capacitor section and the coil section into LC composite parts; and connecting the capacitor electrode with the spiral coil pattern by electrical connection means in each of the LC composite parts.
Claim 2
Independent Claim
107 words
A method of producing an LC composite part, comprising the steps of: forming a substrate having a capacitor section including a plurality of capacitor units by laminating ceramic sheets having capacitor electrode layers formed thereof such that said capacitor electrode layers and said ceramic sheets alternate; sintering the substrate; forming a coil section including a plurality of spiral coil patterns on the sintered substrate by a thin film forming method; dividing the laminated substrate having the capacitor section and the coil section into LC composite parts; and connecting the capacitor electrode with the spiral coil pattern by electrical connection means in each of the LC composite parts.
Claim 3
Dependent Claim
67 words
A method of producing an LC composite part as claimed in claim 1, wherein coil patterns are formed on the sintered substrate following the steps of: forming a conductive film on an entire upper surface of the sintered substrate by the thin film forming method; forming on the conductive film a resist film corresponding to the coil patterns; etching the conductive film; and removing the resist film.
Claim 4
Dependent Claim
33 words
A method of producing an LC composite part as claimed in claim 2, wherein the coil patterns formed on the sintered substrate are covered with a resin which has a low dielectric constant.
Claim 5
Dependent Claim
52 words
A method of producing an LC composite part as claimed in claim 3, wherein spiral coil patterns are layered on the sintered substrate by repeating a step of forming coil patterns on the sintered substrate and a step of covering the coil patterns with a resin which has a low dielectric constant.
Claim 6
Dependent Claim
51 words
A method of producing an LC composite part as claimed in claim 4, wherein said step of forming the substrate includes laminating the substrate with at least one ceramic sheet having no electrode layer formed thereon to cover at least one ceramic sheet having an exposed capacitor electrode layer formed thereon.
Claim 7
Dependent Claim
51 words
A method of producing an LC composite part as claimed in claim 4, wherein said step of forming the substrate includes laminating the substrate with a plurality of ceramic sheets having capacitor electrode layers formed thereon, said plurality of sheets being formed between ceramic sheets having no electrode layer formed thereon.
Claim 8
Independent Claim
114 words
A method of producing an LC composite network part, comprising the steps of: forming a substrate having a capacitor section including a plurality of capacitor networks by laminating ceramic sheets having capacitor electrode layers formed thereon such that said capacitor electrode layers and said ceramic sheets alternate; sintering the substrate; forming a coil section having a coil network including a plurality of spiral coil patterns on the sintered substrate by a thin film forming method; dividing the laminated substrate having the capacitor section and the coil section into LC composite network parts; and connecting the capacitor electrode with the spiral coil pattern by electrical connection means in each of the LC composite network parts.
Claim 9
Independent Claim
114 words
A method of producing an LC composite network part, comprising the steps of: forming a substrate having a capacitor section including a plurality of capacitor networks by laminating ceramic sheets having capacitor electrode layers formed thereon such that said capacitor electrode layers and said ceramic sheets alternate; sintering the substrate; forming a coil section having a coil network including a plurality of spiral coil patterns on the sintered substrate by a thin film forming method; dividing the laminated substrate having the capacitor section and the coil section into LC composite network parts; and connecting the capacitor electrode with the spiral coil pattern by electrical connection means in each of the LC composite network parts.
Claim 10
Dependent Claim
68 words
A method of producing an LC composite network part as claimed in claim 7, wherein coil patterns are formed on the sintered substrate following the steps of: forming a conductive film on an entire upper surface of the sintered substrate by the thin film forming method; forming on the conductive film a resist film corresponding to the coil patterns; etching the conductive film; and removing the resist film.
Claim 11
Dependent Claim
34 words
A method of producing an LC composite network part as claimed in claim 8, wherein the coil patterns formed on the sintered substrate are covered with a resin which has a low dielectric constant.
Claim 12
Dependent Claim
53 words
A method of producing an LC composite network part as claimed in claim 9, wherein spiral coil patterns are layered on the sintered substrate by repeating a step of forming coil patterns on the sintered substrate and a step of covering the coil patterns with a resin which has a low dielectric constant.
Claim 13
Dependent Claim
51 words
A method of producing an LC composite part as claimed in claim 10, wherein said step of forming the substrate includes laminating the substrate with at least one ceramic sheet having no electrode layer formed thereon to cover at least one ceramic sheet having an exposed capacitor electrode layer formed thereon.
Claim 14
Dependent Claim
51 words
A method of producing an LC composite part as claimed in claim 11, wherein said step of forming the substrate includes laminating the substrate with a plurality of ceramic sheets having capacitor electrode layers formed thereon, said plurality of sheets being formed between ceramic sheets having no electrode layer formed thereon.
Claim 15
Independent Claim
128 words
A method of producing an LC part, comprising the steps of: forming a substrate having a capacitor section including a plurality of capacitor units by laminating ceramic sheets having capacitor electrode layers formed thereon such that said capacitor electrode layers and said ceramic layers alternate, and by laminating the capacitor section with a ceramic sheet having no electrode layer formed thereon to cover exposed capacitor electrode layers; sintering the substrate; forming a coil section including a plurality of spiral coil patterns on the sintered substrate by a thin film forming method; dividing the laminated substrate having the capacitor section and the coil section into LC composite parts; and connecting the capacitor electrode with the spiral coil pattern by electrical connection means in each of the LC composite parts.
Claim 16
Independent Claim
128 words
A method of producing an LC part, comprising the steps of: forming a substrate having a capacitor section including a plurality of capacitor units by laminating ceramic sheets having capacitor electrode layers formed thereon such that said capacitor electrode layers and said ceramic layers alternate, and by laminating the capacitor section with a ceramic sheet having no electrode layer formed thereon to cover exposed capacitor electrode layers; sintering the substrate; forming a coil section including a plurality of spiral coil patterns on the sintered substrate by a thin film forming method; dividing the laminated substrate having the capacitor section and the coil section into LC composite parts; and connecting the capacitor electrode with the spiral coil pattern by electrical connection means in each of the LC composite parts.
Claim 17
Dependent Claim
67 words
A method of producing an LC composite part as claimed in claim 13, wherein coil patterns are formed on the sintered substrate following the steps of: forming a conductive film on an entire upper surface of the sintered substrate by the thin film forming method; forming on the conductive film a resist film corresponding to the coil patterns; etching the conductive film; and removing the resist film.
Claim 18
Dependent Claim
33 words
A method of producing an LC composite part as claimed in claim 14, wherein the coil patterns formed on the sintered substrate are covered with a resin which has a low dielectric constant.
Claim 19
Dependent Claim
52 words
A method of producing an LC composite part as claimed in claim 15, wherein spiral coil patterns are layered on the sintered substrate by repeating a step of forming coil patterns on the sintered substrate and a step of covering the coil patterns with a resin which has a low dielectric constant.
References Cited (Backward Citations)
US4746557A
Cited
US5006182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-03-29 | 1996-09-28 | 1997-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-03-29 | 2000-09-28 | 2001-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-03-29 | 2004-09-28 | 2005-03-30 | $7700.00 | Window Closed / Lapsed |