Patent US3729342A successfully refreshed from Google Patents.
US3729342A
Expired / Lapsed
US
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Method of manufacturing a radiation-sensitive electronic device
Assignee: US Philips Corp
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Filing: 1970-04-01
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Granted: 1973-04-24
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Expires: 1990-04-01
Abstract
Abstract A METHOD OF PROVIDING A RADIATION-PERMEABLE CONTACT LAYER IN GOOD ELECTRICAL CONTACT WITH RADIATION-SENSITIVE OR ELECTROLUMINESCENT GRAINS, THE GRAINS BEING SPREAD ON A METAL LAYER WHICH IS SITUATED ON A RADIATION-PERMEABLE CONDUCTIVE LAYER, AND UPON HEATING IN THE MELTED CONDITION THE MELTED METAL OF THE METAL LAYER IS DRAWN BY CAPILLARY ACTION TO BETWEEN THE GRAINS AND THE PERMEABLE CONDUCTIVE LAYER AND THE SPACE BETWEEN THE GRAINS IS THEN FILLED WITH A POLYURETHANE.
Inventors
- 👤 Velde T Te
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:53
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/10; H05B33/12; H05B33/26; Y; Y10; Y10S; Y10S148/00; Y10S148/107; Y10S428/00; Y10S428/917
Claims Analysis
Total Claims: 0
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References 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) | 1976-04-23 | 1976-10-23 | 1977-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-23 | 1980-10-23 | 1981-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-23 | 1984-10-23 | 1985-04-24 | $7700.00 | Window Closed / Lapsed |