US3244947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-conductor diode and manufacture thereof
Assignee: Slater Electric Inc
•
Filing: 1962-06-15
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Granted: 1966-04-05
•
Expires: 1982-06-15
Abstract
No abstract record available.
Inventors
- 👤 Saul I Slater
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:41
CPC Classifications
H; H10; H10W; H10W72/00; H10W72/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A DIODE RECTIFIER CONSTRUCTION COMPRISING, IN COMBINATION, A WAFER OF SEMI-CONDUCTOR MATERIAL, A SILVER BASE SOLDERED TO SAID WAFER ON ONE SIDE THEREOF, A SILVER LEAD-IN CONDUCTOR SOLDERED TO SAID WAFER ON THE OPPOSITE SIDE THEREOF, SAID WAFER, SILVER BASE AND SLIVER LEAD BEING ETCHED TO FREE SAID WAFER OF CONTAMINANTS AND A CONTAINER FOR SAID ASSEMBLY OF WAFER, BASE AND LEAD-IN, SAID BASE FORMING A WALL OF SAID CONTAINER AND BEING SOLDERED DIRECTLY TO A HEAT DISSIPATING WALL OF SAID CONTAINER WHEREBY SAID SEMI-CONDUCTOR WAFER IS MAINTAINED AT SUBSTANTIALLY THE TEMPERATURE OF SAID CONTAINER.
Claim 2
Dependent Claim
95 words
A DIODE RECTIFIER CONSTRUCTION COMPRISING, IN COMBINATION, A WAFER OF SEMI-CONDUCTOR MATERIAL, A SILVER BASE SOLDERED TO SAID WAFER ON ONE SIDE THEREOF, A SILVER LEAD-IN CONDUCTOR SOLDERED TO SAID WAFER ON THE OPPOSITE SIDE THEREOF, SAID WAFER, SILVER BASE AND SLIVER LEAD BEING ETCHED TO FREE SAID WAFER OF CONTAMINANTS AND A CONTAINER FOR SAID ASSEMBLY OF WAFER, BASE AND LEAD-IN, SAID BASE FORMING A WALL OF SAID CONTAINER AND BEING SOLDERED DIRECTLY TO A HEAT DISSIPATING WALL OF SAID CONTAINER WHEREBY SAID SEMI-CONDUCTOR WAFER IS MAINTAINED AT SUBSTANTIALLY THE TEMPERATURE OF SAID CONTAINER.
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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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |