US3342594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making color phosphor screens
Assignee: Rauland Borg Corp
•
Filing: 1965-03-31
•
Granted: 1967-09-19
•
Expires: 1985-03-31
Abstract
No abstract record available.
Inventors
- 👤 Sam H Kaplan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:10
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/20; H01J9/22; H01J9/227; H01J9/2271; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/187
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
THE METHOD OF PRODUCING ON A SUBSTRATE A MOSAIC TYPE COLOR PHOSPHOR SCREEN HAVING A PLURALITY OF INTERSPERSED ELEMENTAL AREAS OF DIFFERENT PHOSPHOR MATERIALS EACH EXHIBITING A UNIQUE COLOR RESPONSE CHARACTERISTIC, WHILE PREVENTING SUBSTANTIAL CROSS-CONTAMINATION BETWEEN SAID PHOSPHOR MATERIALS, WHICH METHOD COMPRISES: DEPOSITING PHOSPHOR PARTICLES OF A FIRST PERDETERMINED TYPE ON PRESELECTED AREAS OF SAID SUBSTRATE; APPLYING TO SAID SUBSTATE A SLURRY COATING INCLUDING PHOSPHOR PARTICLES OF A SECOND PREDETERMINED TYPE CONTAINED IN A PHOTOSENSITIVE ORGANIC GEL; EXPOSING SELECTED AREAS OF SAID COATING TO ACTININ RAYS IN A PREDETERMINED PATTERN TO ESTABLISH A LATENT DESIGN IMAGE IN SAID COATING; DEVELOPING THE PARTIALLY EXPOSED COATING TO REMOVE CERTAIN PORTIONS THEREOF AS DETERMINED BY SAID LATENT IMAGE; AND INCLUDING AN ORGANIC AMINE IN SAID SLURRY COATING AS APPLIED TO SAID SUBSTRATE.
Claim 2
Independent Claim
129 words
THE METHOD OF PRODUCING ON A SUBSTRATE A MOSAIC TYPE COLOR PHOSPHOR SCREEN HAVING A PLURALITY OF INTERSPERSED ELEMENTAL AREAS OF DIFFERENT PHOSPHOR MATERIALS EACH EXHIBITING A UNIQUE COLOR RESPONSE CHARACTERISTIC, WHILE PREVENTING SUBSTANTIAL CROSS-CONTAMINATION BETWEEN SAID PHOSPHOR MATERIALS, WHICH METHOD COMPRISES: DEPOSITING PHOSPHOR PARTICLES OF A FIRST PERDETERMINED TYPE ON PRESELECTED AREAS OF SAID SUBSTRATE; APPLYING TO SAID SUBSTATE A SLURRY COATING INCLUDING PHOSPHOR PARTICLES OF A SECOND PREDETERMINED TYPE CONTAINED IN A PHOTOSENSITIVE ORGANIC GEL; EXPOSING SELECTED AREAS OF SAID COATING TO ACTININ RAYS IN A PREDETERMINED PATTERN TO ESTABLISH A LATENT DESIGN IMAGE IN SAID COATING; DEVELOPING THE PARTIALLY EXPOSED COATING TO REMOVE CERTAIN PORTIONS THEREOF AS DETERMINED BY SAID LATENT IMAGE; AND INCLUDING AN ORGANIC AMINE IN SAID SLURRY COATING AS APPLIED TO SAID SUBSTRATE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |