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US3337365A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical resistance composition and method of using the same to form a resistor

Assignee: International Business Machines Corp
•
Filing: 1963-03-25
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Granted: 1967-08-22
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Expires: 1983-03-25
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Abstract

No abstract record available.

Inventors

  • 👤 Arthur H Mones

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 20:26
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/06; H01C17/065; H01C17/06506; H01C17/06513; H01C17/06553

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 199 words
THE METHOD OF MAKING AN ELECTRICAL RESISTANCE ELEMENT COMPRISING: FORMING A VISCOUS MIXTURE CONTAINING A VOLATILE LIQUID CARRIER, A QUNTITY OF FINELY DIVIDED MATERIAL FROM THE GROUP CONSISTING OF PALLADIUM OXIDE, PALLADIUM CHLORIDE, AND PALLADIUM, WHERE THE QUANTITY OF PALLADIUM OXIDE IS 100 PARTS, THE PALLADIUM CHLORIDE IS 144 PARTSS AND THE APLLADIUM IS 86.6 PARTS, A QUANTITY OF FINELY DIVIDED HALIDE FROM THE GROUP CONSISTING OF SILVER CHLORIDE, SILVER BROMIDE AND SILVER IODIDE, WHERE THE QUANTITY OF SIVER CHLORIDE IS 23.3-279 PARTS, THE SILVER BROMIDE IS 30.6-366 PARTS, AND THE SILVER IODIDE IS 38-454 PARTS, 0-400 PARTS OF FINELY DIVIDED GLASS, AND 0-50 PARTS OF FINELY DIVIDED METAL OXIDE FROM THE GROUP CONSISTING OF BISMUTH TRIOXIDE AND LEAD OXIDE; FORMING SAID MIXTURE INTO A FILM ON AN ELECTRICALLY NONCONDUCTIVE BASE; HEATING SAID FILM TO AN INTERMEDIATE TEMPERATURE TO REMOVE SAID LIQUID CARRIER; ADDITIONALLY HEATING SAID FILM TO A HIGHER TEMPERATURE SUFFICIENT TO DECOMPOSE THERMALLY SAID SILVER HALIDE AND RELEASE SILVER, TO SOFTEN SAID GLASS AND SAID METAL OXIDE AND TO FORM ON SAID BASE AN ADHERENT RESISTIVE FILM CONSISTING OF PALLADIUM OXIDE AND SILVER-PALLADIUM ALLOY IN A GLASS MATRIX; AND COOLING SAID BASE AND SAID ADHERENT RESISTIVE FILM.
Claim 2
Independent Claim 199 words
THE METHOD OF MAKING AN ELECTRICAL RESISTANCE ELEMENT COMPRISING: FORMING A VISCOUS MIXTURE CONTAINING A VOLATILE LIQUID CARRIER, A QUNTITY OF FINELY DIVIDED MATERIAL FROM THE GROUP CONSISTING OF PALLADIUM OXIDE, PALLADIUM CHLORIDE, AND PALLADIUM, WHERE THE QUANTITY OF PALLADIUM OXIDE IS 100 PARTS, THE PALLADIUM CHLORIDE IS 144 PARTSS AND THE APLLADIUM IS 86.6 PARTS, A QUANTITY OF FINELY DIVIDED HALIDE FROM THE GROUP CONSISTING OF SILVER CHLORIDE, SILVER BROMIDE AND SILVER IODIDE, WHERE THE QUANTITY OF SIVER CHLORIDE IS 23.3-279 PARTS, THE SILVER BROMIDE IS 30.6-366 PARTS, AND THE SILVER IODIDE IS 38-454 PARTS, 0-400 PARTS OF FINELY DIVIDED GLASS, AND 0-50 PARTS OF FINELY DIVIDED METAL OXIDE FROM THE GROUP CONSISTING OF BISMUTH TRIOXIDE AND LEAD OXIDE; FORMING SAID MIXTURE INTO A FILM ON AN ELECTRICALLY NONCONDUCTIVE BASE; HEATING SAID FILM TO AN INTERMEDIATE TEMPERATURE TO REMOVE SAID LIQUID CARRIER; ADDITIONALLY HEATING SAID FILM TO A HIGHER TEMPERATURE SUFFICIENT TO DECOMPOSE THERMALLY SAID SILVER HALIDE AND RELEASE SILVER, TO SOFTEN SAID GLASS AND SAID METAL OXIDE AND TO FORM ON SAID BASE AN ADHERENT RESISTIVE FILM CONSISTING OF PALLADIUM OXIDE AND SILVER-PALLADIUM ALLOY IN A GLASS MATRIX; AND COOLING SAID BASE AND SAID ADHERENT RESISTIVE FILM.

References Cited (Backward Citations)

US2328101A Cited
US3149002A Cited
US2924540A Cited
DE1132220B Cited
US3052573A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-08-21 1971-02-20 1971-08-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-08-21 1975-02-20 1975-08-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-08-21 1979-02-20 1979-08-22 $7700.00 Window Closed / Lapsed

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