Resistor compositions containing pyrochlore-related oxides and platinum
Abstract
Abstract RESISTOR COMPOSITIONS, WHICH YIELD, UPON FIRING, SMOOTH RESISTORS HAVING A WIDE RANGE OF RESISTANCES, LOW TCR''S AND GOOD STABILITY PROPERTIES, COMPRISING (1) AN OXIDE OF THE FORMULA (MXBI2-X(M''YRU2-Y)O7-Z WHEREIN M IS AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF YTTRIUM, LANTHANUM, THALLIUM, INDIUM, CADMIUM, M'' IS AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF PLATINUM, TITANIUM, TIN, CHROMINUM, RHODIUM, IRIDIUM, RHENIUM, ZIRCONIUM, ANTIMONY AND GERMANIUM, (2) AN INORGANIC BINDER, AND (3) A REQUIRED AMOUNT OF PLATINUM. THE CONTROL OVER PROPERTIES AFFORDED BY THIS COMBINATION OF INGREDIENTS AND PROPORTIONS THEREOF ENHANCES THE SIGNIFICANCE OF THIS INVENTION.
Inventors
- 👤 Michael J Popowich
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |