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US3104178A Expired / Lapsed US ⏱️ 0.0 years remaining

Evaporative coating method

Assignee: International Business Machines Corp
•
Filing: 1960-12-23
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Granted: 1963-09-17
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Expires: 1980-12-23
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Abstract

No abstract record available.

Inventors

  • 👤 Silva Edward M Da

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 09:00
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; H; H01; H01B; H01B3/00; H01B3/02; H01B3/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 143 words
A METHOD OF EVAPORATING A BODY OF AN INSULATING MATERIAL EXHIBITING LOW THERMAL CONDUCTIVITY ONTO A SUBSTRATE WITHIN AN EVACUTED CHAMBER EFFECTIVE TO EVAPORATE SAID MATERIAL WITHOUT SAID MATERIAL SPATTERING, WHICH METHOD COMPRISES; SUBJECTING SAID BODY TO A FIRST SOURCE OF THERMAL ENERGY; SAID FIRST SOURCE EFFECTIVE ONLY TO UNIFORMALLY INCREASE THE TEMPERATURE OF ALL OF SAID BODY OF MATERIAL TO TEMPERATURE BELOW THE TEMPERATURE AT WHICH SAID MATERIAL EVAPORATES; AND THEREAFTER RESISTIVELY HEATING A SCREEN POSITIONED BETWEEN SAID BODY AND SAID SUBSTRATE, SAID HEATED SCREEN EFFECTIVE IN COMBINATION WITH SAID FIRST SOURCE TO INCREASE THE UPPER SURFACE ONLY OF SAIDD BODY OF MATERIAL TO A TEMPERATURE ABOVE THE AVAPORATION TEMPERATURE OF SAID MATERIAL; AND SAID HEATED SCREEN BEING FURTHER EFFECTIVE TO INTERCEPT AND RE-EVAPORATED ANY RELATIVELY LARGE PARTICLES OF SAID VAPORIZED MATERIAL, THEREBY PREVENTING SAID LARGE PARTICLES FROM ARRIVING AT SAID SUBSTRATE.
Claim 2
Independent Claim 143 words
A METHOD OF EVAPORATING A BODY OF AN INSULATING MATERIAL EXHIBITING LOW THERMAL CONDUCTIVITY ONTO A SUBSTRATE WITHIN AN EVACUTED CHAMBER EFFECTIVE TO EVAPORATE SAID MATERIAL WITHOUT SAID MATERIAL SPATTERING, WHICH METHOD COMPRISES; SUBJECTING SAID BODY TO A FIRST SOURCE OF THERMAL ENERGY; SAID FIRST SOURCE EFFECTIVE ONLY TO UNIFORMALLY INCREASE THE TEMPERATURE OF ALL OF SAID BODY OF MATERIAL TO TEMPERATURE BELOW THE TEMPERATURE AT WHICH SAID MATERIAL EVAPORATES; AND THEREAFTER RESISTIVELY HEATING A SCREEN POSITIONED BETWEEN SAID BODY AND SAID SUBSTRATE, SAID HEATED SCREEN EFFECTIVE IN COMBINATION WITH SAID FIRST SOURCE TO INCREASE THE UPPER SURFACE ONLY OF SAIDD BODY OF MATERIAL TO A TEMPERATURE ABOVE THE AVAPORATION TEMPERATURE OF SAID MATERIAL; AND SAID HEATED SCREEN BEING FURTHER EFFECTIVE TO INTERCEPT AND RE-EVAPORATED ANY RELATIVELY LARGE PARTICLES OF SAID VAPORIZED MATERIAL, THEREBY PREVENTING SAID LARGE PARTICLES FROM ARRIVING AT SAID SUBSTRATE.

References Cited (Backward Citations)

GB483029A Cited
US2932588A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-09-16 1967-03-18 1967-09-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-09-16 1971-03-18 1971-09-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-09-16 1975-03-18 1975-09-17 $7700.00 Window Closed / Lapsed

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