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
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 04:21
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 |