US2840770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor device and method of manufacture
Assignee: Texas Instruments Inc
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Filing: 1955-03-14
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Granted: 1958-06-24
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Expires: 1975-03-14
Abstract
No abstract record available.
Inventors
- 👤 Edmond D Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:00
CPC Classifications
H; H10; H10D; H10D64/00; H10D64/60; B; B28; B28D; B28D5/00; H10D48/00; H10D48/30; H10D48/32; H10D48/34; H10D48/345; H10D64/20; H10D64/23; H10P; H10P52/00; H10P95/00; H10P95/50; H10W; H10W70/00; H10W70/60; H10W70/67; H10W70/69; H10W76/00; H10W76/60; H10W72/00; H10W72/071; H10W72/075; H10W72/07551; H10W72/07554; H10W72/07555; H10W72/50; H10W72/531; H10W72/536; H10W72/551; H10W72/552; H10W72/5522; H10W72/5524; H10W72/557
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A SEMICONDUCTOR DIODE COMPRISING A WAFER OF SILICON OF ONE TYPE CONDCTIVITY, AND FUSED THERETO AT SPACED INTERVALS A SILVER WIRE CONNECTOR FOR FORMING AN OHMIC CONTACT WITH SAID WAFER AND A WIRE CONNECTOR PRODUCING AN OPPOSITE TYPE CONDUCTIVITY IN SAID SILICON FOR FORMING A RECTIFYING P-N JUNCTION WITH SAID WAFER.
Claim 2
Dependent Claim
51 words
A SEMICONDUCTOR DIODE COMPRISING A WAFER OF SILICON OF ONE TYPE CONDCTIVITY, AND FUSED THERETO AT SPACED INTERVALS A SILVER WIRE CONNECTOR FOR FORMING AN OHMIC CONTACT WITH SAID WAFER AND A WIRE CONNECTOR PRODUCING AN OPPOSITE TYPE CONDUCTIVITY IN SAID SILICON FOR FORMING A RECTIFYING P-N JUNCTION WITH SAID WAFER.
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) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |