Patent US4898766A successfully refreshed from Google Patents.
US4898766A
Expired / Lapsed
US
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Polymer film with conductive pattern and method of manufacturing the same
Assignee: NTT Inc
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Filing: 1988-09-08
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Granted: 1990-02-06
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Expires: 2008-09-08
Abstract
Abstract A polymer film with a conductive electrode has an insulated polymer film with an electrically conductive pattern containing an electrically conductive polymer of an aromatic compound, the conductive pattern being formed on at least one major surface of the insulated film, and an internal portion extending from the at least one major surface.
Inventors
- 👤 Toshiaki Tamamura
- 👤 Katsuta
- 👤 Osamu Niwa
- 👤 Makoto Hikita
- 👤 Akio Sugita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:08
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/10; H05K3/105; H05K2201/00; H05K2201/03; H05K2201/032; H05K2201/0329; Y; Y10; Y10S; Y10S428/00; Y10S428/901; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24851; Y10T428/24868; Y10T428/24876; Y10T428/24893; Y10T428/24901; Y10T428/25; Y10T428/31504; Y10T428/31507; Y10T428/31533; Y10T428/3154; Y10T428/31678; Y10T428/31688; Y10T428/31692; Y10T428/31721; Y10T428/31855; Y10T428/31935; Y10T428/31942; Y10T428/31971
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
78 words
A polymer film with a conductive pattern comprising an electrically insulative polymer film with an electrically conductive pattern containing an electrically conductive polymer of an aromatic compound or a heterocyclic compound selected from the group consisting of thiophene, pyrrole, furan, selenophene, tellurophene, carbazole and their derivatives, the conductive pattern being formed on at least one major surface of said insulative film and including an internal portion extending inwardly into said film from said at least one major surface.
Claim 2
Dependent Claim
78 words
A polymer film with a conductive pattern comprising an electrically insulative polymer film with an electrically conductive pattern containing an electrically conductive polymer of an aromatic compound or a heterocyclic compound selected from the group consisting of thiophene, pyrrole, furan, selenophene, tellurophene, carbazole and their derivatives, the conductive pattern being formed on at least one major surface of said insulative film and including an internal portion extending inwardly into said film from said at least one major surface.
Claim 3
Dependent Claim
85 words
A film according to claim 1, wherein said insulative polymer film is a member selected from the group consisting of a polyvinyl chloride resin, a polyvinylidene chloride resin, a polyvinylidene fluoride resin, a polystyrene resin, an acrylic resin, polycarbazole, a polymer of vinyl carbazole with another vinyl monomer, a copolymer of ethylene with another vinyl monomer, polyvinyl acetate, a copolymer of vinyl acetate with another vinyl monomer, polyvinyl alcohol, polycarbonate, polyetherimide, polyethersulfonate, polyamide-imide, nylon, phenol resin, polybutadiene rubber, ethyl cellulose, cellulose acetate, and cellulose nitrate.
Claim 4
Dependent Claim
44 words
A film according to claim 2, wherein said polymer film is provided with an additive selected from the group consisting of a plasticizer, a heat stabilizer, a lubricant, an ultraviolet absorber, a defogger, a pigment, a dye, a surfactant, and an electrically conductive filler.
Claim 5
Dependent Claim
22 words
A film according to claim 1, wherein said insulative polymer film comprises a multilayer film having at least two laminated polymer films.
Claim 6
Dependent Claim
37 words
A film according to claim 1, wherein another electrically conductive pattern of an electrically conductive polymer of an aromatic compound is formed on said electrically conductive pattern on said one major surface of said insulative polymer film.
Claim 7
Dependent Claim
16 words
A film according to claim 1, wherein said electrically conductive pattern comprises a regular linear pattern.
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) | 1993-02-05 | 1993-08-07 | 1994-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-02-05 | 1997-08-07 | 1998-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-02-05 | 2001-08-07 | 2002-02-06 | $7700.00 | Window Closed / Lapsed |