US3707499A
Expired / Lapsed
US
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Dielectric materials
Assignee: OI Glass Inc
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Filing: 1970-06-05
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Granted: 1972-12-26
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Expires: 1990-06-05
Abstract
Abstract A DIELECTRIC MATERIAL IS FORMULATED BY FIRING AN ADMIXTURE OF FROM ABOUT 2-55% BY WEIGHT ZIRCON (ZIRCONIUM SILICATE) AND ABOUT 45-98% BY WEIGHT OF A LEAD BARIUM BOROSILICATE GLASS. IN FINAL FORM, THE DIELECTRIC MATERIAL EXHIBITS A LOW K (APPROXIMATELY 6) AND A HIGH Q VALUE. THE PASTE COMPOSITION IS FORMULATED BY ADMIXING THE AFOREMENTIONED INGREDIENTS IN AN ORGANIC VEHICLE, DRYING THE PASTE AND FIRING THE PASTE AT A TEMPERATURE OF FROM ABOUT 800-1,000*C. THE PASTE IS USUALLY APPLIED BY A SCREEN PRINTING TECHNIQUE PREFERABLY USING A MESH SIZE IN THE RANGE OF ABOUT 165.
Inventors
- 👤 Daniel W Mason
- 👤 Henry H Nester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:02
CPC Classifications
C; C03; C03C; C03C8/00; C03C8/14; C03C3/00; C03C3/04; C03C3/062; C03C3/07; C03C3/072; C03C4/00; C03C4/16; C03C8/02; C03C8/10; C03C8/12; C04; C04B; C04B35/00; C04B35/01; C04B35/48; C04B35/481; H; H01; H01B; H01B3/00; H01B3/02; H01B3/08; H01B3/087; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/08; H01G4/12; H01G4/129; H05; H05K; H05K1/00; H05K1/02; H05K1/03; H05K1/0306; H05K3/00; H05K3/46; H05K3/4685; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24893; Y10T428/24909; Y10T428/25; Y10T428/256
Claims Analysis
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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) | 1975-12-26 | 1976-06-26 | 1976-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-26 | 1980-06-26 | 1980-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-26 | 1984-06-26 | 1984-12-26 | $7700.00 | Window Closed / Lapsed |