US2697052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabricating of semiconductor translating devices
Assignee: AT&T Inc
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Filing: 1953-07-24
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Granted: 1954-12-14
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Expires: 1973-07-24
Abstract
No abstract record available.
Inventors
- 👤 George C Dacey
- 👤 Philip W Foy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:14
CPC Classifications
H; H10; H10D; H10D99/00; H10D62/00; H10D62/10; H10P; H10P10/00; H10P95/00; H10W; H10W72/00; H10W76/00; H10W76/60; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12528
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
THE METHOD OF FABRICATING A SEMICONDUCTOR SIGNAL TRANSLATING DEVICE WHICH COMPRISES MOUNTING A BODY OF SEMICONDUCTIVE MATERIAL WITHIN AN APERTURE IN A PLATE, THE BODY BEING SPACED FROM THE WALLS OF SAID APERTURE, INSERTING INTO THE SPACE BETWEEN SAID BODY AND SAID WALLS A BODY OF IMPURITY CAPABLE OF ALLOYING WITH THE SEMICONDUCTOR MATERIAL TO ALTER THE CONDUCTIVITY OF SAID MATERIAL, HEATING THE SEMICONDUCTOR AND IMPURITY BODIES AT A TEMPERATURE TO ALLOY THE IMPURITY WITH THE SEMICONDUCTIVE MATERIAL, AND , DURING SAID HEATING, CONFINING THE IMPURITY BODY BETWEEN OPPOSITE ENDS OF SAID APERTURE, THEREBY TO PRODUCE IN SAID BODY ZONES OF PRESCRIBED EXTENT OF ALTERED CONDUCTIVITY.
Claim 2
Independent Claim
106 words
THE METHOD OF FABRICATING A SEMICONDUCTOR SIGNAL TRANSLATING DEVICE WHICH COMPRISES MOUNTING A BODY OF SEMICONDUCTIVE MATERIAL WITHIN AN APERTURE IN A PLATE, THE BODY BEING SPACED FROM THE WALLS OF SAID APERTURE, INSERTING INTO THE SPACE BETWEEN SAID BODY AND SAID WALLS A BODY OF IMPURITY CAPABLE OF ALLOYING WITH THE SEMICONDUCTOR MATERIAL TO ALTER THE CONDUCTIVITY OF SAID MATERIAL, HEATING THE SEMICONDUCTOR AND IMPURITY BODIES AT A TEMPERATURE TO ALLOY THE IMPURITY WITH THE SEMICONDUCTIVE MATERIAL, AND , DURING SAID HEATING, CONFINING THE IMPURITY BODY BETWEEN OPPOSITE ENDS OF SAID APERTURE, THEREBY TO PRODUCE IN SAID BODY ZONES OF PRESCRIBED EXTENT OF ALTERED CONDUCTIVITY.
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) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |