US3861952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording medium for a spark burning recorder
Assignee: Sony Corp
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Filing: 1972-01-31
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Granted: 1975-01-21
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Expires: 1992-01-31
Abstract
Abstract A recording medium for a spark burning recorder having a base sheet, a colored layer formed on the base sheet and an aluminum layer formed on the colored layer by vapor deposition. The glossiness of the aluminum layer is less than 20 percent.
Inventors
- 👤 Shinichi Tokumoto
- 👤 Chisayo Hayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:25
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/24; B41M5/245; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24893; Y10T428/24901; Y10T428/24917; Y10T428/24934; Y10T428/31504; Y10T428/31678; Y10T428/31971; Y10T428/31993
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
63 words
A recording medium for a spark burning recorder, comprising: a base having at least one organic layer containing no conductive materials thereon; a metal layer of aluminum or aluminum alloy, formed by vapor deposition, having a rough surface with a glossiness of less than twenty percent, said metal layer being in contact with said organic layer on said base containing no conductive material.
Claim 2
Dependent Claim
63 words
A recording medium for a spark burning recorder, comprising: a base having at least one organic layer containing no conductive materials thereon; a metal layer of aluminum or aluminum alloy, formed by vapor deposition, having a rough surface with a glossiness of less than twenty percent, said metal layer being in contact with said organic layer on said base containing no conductive material.
Claim 3
Dependent Claim
19 words
A recording medium for a spark burning recorder according to claim 1, wherein the base is pigmented or dyed.
Claim 4
Dependent Claim
38 words
A recording medium for a spark burning recorder according to claim 1, wherein the base comprises a pigmented or dyed layer in addition to said organic layer in contact with the metal layer and containing no conductive material.
Claim 5
Dependent Claim
41 words
A recording medium for a spark burning recorder according to claim 1, wherein the base comprises a paper, a layer containing pigment formed on the paper and an organic layer in contact with the metal layer and containing no conductive material.
Claim 6
Dependent Claim
38 words
A RECORDING MEDIUM FOR A SPARK BURNING RECORDER ACCORDING TO CLAIM 1, WHEREIN THE BASE COMPRISES A FIRST ORGANIC LAYER, AND A SECOND PIGMENTED OR DYED ORGANIC LAYER CONTAINING NO CONDUCTIVE MATERIAL IN CONTACT WITH THE METAL LAYER.
Claim 7
Dependent Claim
51 words
A recording medium for a spark burning recorder comprising: a base; an organic insulator layer containing no conductive material formed on said base; and a metal layer of aluminum or aluminum alloy formed on said insulator layer by vapor deposition, the glossiness of said metal layer being less than twenty percent.
Claim 8
Dependent Claim
51 words
A recording medium for a spark burning recorder comprising: a base; an organic insulator layer containing no conductive material formed on said base; and a metal layer of aluminum or aluminum alloy formed on said insulator layer by vapor deposition, the glossiness of said metal layer being less than twenty percent.
Claim 9
Dependent Claim
26 words
A recording medium for a spark burning recorder according to claim 6, wherein the base is pigmented or dyed and the insulating layer is not opaque.
Claim 10
Dependent Claim
21 words
A recording medium for a spark burning recorder according to claim 6, wherein the base includes a pigmented or dyed layer.
Claim 11
Dependent Claim
21 words
A recording medium for a spark burning recorder according to claim 8, wherein the pigmented or dyed layer includes conductive pigment.
Claim 12
Dependent Claim
33 words
A recording medium for a spark burning recorder according to claim 9, wherein the insulating layer comprises a transparent layer and an organic layer formed on the transparent layer and containing non-conductive particles.
Claim 13
Dependent Claim
20 words
A recording medium for a spark burning recorder according to claim 8, wherein the base includes a layer containing dye.
Claim 14
Dependent Claim
19 words
A recording medium for a spark burning recorder according to claim 11, wherein the insulator layer contains non-conductive particles.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-20 | 1978-07-22 | 1979-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-20 | 1982-07-22 | 1983-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-20 | 1986-07-22 | 1987-01-21 | $7700.00 | Window Closed / Lapsed |