US4433269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air fireable ink
Assignee: Unisys Corp
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Filing: 1982-11-22
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Granted: 1984-02-21
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Expires: 2002-11-22
Abstract
Abstract A screenable ink for forming conductors in a gas-filled display panel including aluminum and an aluminum alloy as important constituents and a panel including such conductors as reinforcing transparent conductive films.
Inventors
- 👤 Nicholas W. Kay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:42
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/14; H01B1/16; H01J; H01J17/00; H01J17/38; H01J17/48; H01J17/49; H01J9/00; H01J9/02; H01J9/14
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
70 words
An ink formulation for forming conductive elements by a screening operation including in percent by weight, nickel 34-55; aluminum 10-14; aluminum/silicon alloy 18-24; lead glass frit binder 16-20; and a vehicle 12-14, the nickel having an average particle size of about one micron; the aluminum having an average particle size of about three microns; and the aluminum/silicon alloy having a particle size in the range of five to ten microns.
Claim 2
Dependent Claim
70 words
An ink formulation for forming conductive elements by a screening operation including in percent by weight, nickel 34-55; aluminum 10-14; aluminum/silicon alloy 18-24; lead glass frit binder 16-20; and a vehicle 12-14, the nickel having an average particle size of about one micron; the aluminum having an average particle size of about three microns; and the aluminum/silicon alloy having a particle size in the range of five to ten microns.
Claim 3
Dependent Claim
69 words
An ink formulation for forming conductive elements by a screening operation including in percent by weight, nickel 38; aluminum 20, aluminum/silicon alloy 12, lead glass frit binder 18; and a vehicle 12 the nickel having an average particle size of about one micron; the aluminum having an average size of about three microns; and the aluminum/silicon alloy having a particle size in the range of five to ten microns.
Claim 4
Dependent Claim
69 words
An ink formulation for forming conductive elements by a screening operation including in percent by weight, nickel 38; aluminum 20, aluminum/silicon alloy 12, lead glass frit binder 18; and a vehicle 12 the nickel having an average particle size of about one micron; the aluminum having an average size of about three microns; and the aluminum/silicon alloy having a particle size in the range of five to ten microns.
Claim 5
Dependent Claim
19 words
The ink formulation defined in claim 1 wherein the aluminum/silicon alloy comprises about 88% aluminum and about 12% silicon.
Claim 6
Dependent Claim
148 words
A display panel comprising a gas-filled envelope made up of a base plate and a glass face plate hermetically sealed together to form said envelope which is filled with an ionizable gas, at least one glow cathode electrode in said envelope, a transparent conductive anode electrode on said face plate inside said envelope positioned in operative relation with said cathode electrode, and a reinforcing conductor in contact with at least a portion of said anode electrode, said reinforcing conductor being screened on said face plate with an ink formulation including in percent by weight, nickel 34-55, aluminum 10-14, aluminum/silicon alloy 18-24, lead glass frit binder 16-20, and a vehicle 12-14, the nickel having an average particle size of about one micron, the aluminum having an average particle size of about three microns, and the aluminum/silicon alloy having a particle size in the range of five to ten microns.
Claim 7
Dependent Claim
148 words
A display panel comprising a gas-filled envelope made up of a base plate and a glass face plate hermetically sealed together to form said envelope which is filled with an ionizable gas, at least one glow cathode electrode in said envelope, a transparent conductive anode electrode on said face plate inside said envelope positioned in operative relation with said cathode electrode, and a reinforcing conductor in contact with at least a portion of said anode electrode, said reinforcing conductor being screened on said face plate with an ink formulation including in percent by weight, nickel 34-55, aluminum 10-14, aluminum/silicon alloy 18-24, lead glass frit binder 16-20, and a vehicle 12-14, the nickel having an average particle size of about one micron, the aluminum having an average particle size of about three microns, and the aluminum/silicon alloy having a particle size in the range of five to ten microns.
Claim 8
Dependent Claim
31 words
The panel defined in claim 4 wherein said ink formulation includes in percent by weight, nickel 38, aluminum 20, aluminum/silicon alloy 12, lead glass frit binder 18, and a vehicle 12.
Claim 9
Dependent Claim
22 words
The panel defined in claim 4 wherein, in the ink formulation, the aluminum/silicon alloy comprises about 88% aluminum and about 12% silicon.
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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) | 1987-02-20 | 1987-08-22 | 1988-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-02-20 | 1991-08-22 | 1992-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-02-20 | 1995-08-22 | 1996-02-21 | $7700.00 | Window Closed / Lapsed |