US3326618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of manufacturing a photo-conductor device
Assignee: GTE Sylvania Inc
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Filing: 1963-03-04
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Granted: 1967-06-20
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Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Charles C Casamo
- 👤 Donald R Kerstetter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:19
CPC Classifications
H; H10; H10F; H10F30/00; H10F71/00; Y; Y10; Y10S; Y10S65/00; Y10S65/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A PROCESS ADAPTED TO THE MANUFACTURE OF PHOTOCONDUCTIVE DEVICES COMPRISING: FIRING AN ENVELOPE AND A SUPPORTING STRUCTURE IN A DRY AND INERT ATMOSPHERE AT A TEMPERATURE AND FOR A PERIOD SUFFICIENT TO CAUSE DEHYDRATION THEREOF, SAID ENVELOPE HAVING AT LEAST A LIGH-FREQUENCY TRANSPARENT PORTION AND SAID SUPPORTING STRUCTURE HAVING A LIGHTFREQUENCY RESPONSIVE ELEMENT THEREON; CONTACTING SAID ENVELOPE AND SUPPORTING STRUCTURE AT A JOINTURE POSITION TO PROVIDE ENCLOSURE THEREBETWEEN OF SAID RESPONSIVE ELEMENT AND ALIGNMENT THEREOF WITH SAID TRANSPARENT PORTION, SAID CONTACT BEING PROVIDED WITHOUT THE REMOVAL OF SAID ENVELOPE AND SUPPORTING STRUCTURE FROM A DRY AND INERT ATMOSPHERE; FORCING SAID ENVELOPE AGAINST SAID RESPONSIVE ELEMENT TO PROVIDE A HEAT CONDUCTION PATH THEREFROM AND A REDUCTION OF VOLUME INTERMEDIATE SAID ENVELOPE AND SAID SUPPORTING STRUCTURE; HEATING SAID CONTACTING ENVELOPE AND SUPPORTING STRUCTURE AT SAID JOINTURE POSITION TO CAUSE THE SEALING THEREOF; AND DISCHARGING SAID ENVELOPE AND SUPPORT STRUCTURE WITH THE LIGHT-FREQUENCY RESPONSIVE PORTION SEALED THEREBETWEEN FROM SAID DRY AND INERT ATMOSPHERE.
Claim 2
Dependent Claim
160 words
A PROCESS ADAPTED TO THE MANUFACTURE OF PHOTOCONDUCTIVE DEVICES COMPRISING: FIRING AN ENVELOPE AND A SUPPORTING STRUCTURE IN A DRY AND INERT ATMOSPHERE AT A TEMPERATURE AND FOR A PERIOD SUFFICIENT TO CAUSE DEHYDRATION THEREOF, SAID ENVELOPE HAVING AT LEAST A LIGH-FREQUENCY TRANSPARENT PORTION AND SAID SUPPORTING STRUCTURE HAVING A LIGHTFREQUENCY RESPONSIVE ELEMENT THEREON; CONTACTING SAID ENVELOPE AND SUPPORTING STRUCTURE AT A JOINTURE POSITION TO PROVIDE ENCLOSURE THEREBETWEEN OF SAID RESPONSIVE ELEMENT AND ALIGNMENT THEREOF WITH SAID TRANSPARENT PORTION, SAID CONTACT BEING PROVIDED WITHOUT THE REMOVAL OF SAID ENVELOPE AND SUPPORTING STRUCTURE FROM A DRY AND INERT ATMOSPHERE; FORCING SAID ENVELOPE AGAINST SAID RESPONSIVE ELEMENT TO PROVIDE A HEAT CONDUCTION PATH THEREFROM AND A REDUCTION OF VOLUME INTERMEDIATE SAID ENVELOPE AND SAID SUPPORTING STRUCTURE; HEATING SAID CONTACTING ENVELOPE AND SUPPORTING STRUCTURE AT SAID JOINTURE POSITION TO CAUSE THE SEALING THEREOF; AND DISCHARGING SAID ENVELOPE AND SUPPORT STRUCTURE WITH THE LIGHT-FREQUENCY RESPONSIVE PORTION SEALED THEREBETWEEN FROM SAID DRY AND INERT ATMOSPHERE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |