US3403439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical isolation of circuit components of monolithic integrated circuits
Assignee: Texas Instruments Inc
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Filing: 1966-04-29
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Granted: 1968-10-01
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Expires: 1986-04-29
Abstract
No abstract record available.
Inventors
- 👤 Bailey Louis Glen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:50
CPC Classifications
H; H10; H10W; H10W10/00; H10W10/01; H10W10/011; H10W10/019; H10W10/10; Y; Y10; Y10S; Y10S148/00; Y10S148/029
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN A METHOD FOR FABRICATING ELECTRONIC COMPONENTS WITHIN A SINGLE SEMICONDUCTOR SUBSTRATE, THE STEPS OF (A) SELECTIVELY REMOVING A PORTION OF SEMICONDUCTOR MATERIAL TO FORM A POCKET WITHIN SAID SEMICONDUCTOR SUBSTRATE, SAID POCKET HAVING A PORTION OF ITS (B) SELECTIVELY APPLYING INSULATING MATERIAL ON SAID REMAINING PERIMETER OF SAID POCKET, SAID SUBSTANTIALLY PERPENDICULAR PORTION OF THE PERIMETER OF SAID POCKET REMAINING EXPOSED SEMICONDUCTOR MATERIAL, AND (C) SELECTIVELY EPITAXIALLY GROWING SINGLE CRYSTALLINE SEMICONDUCTOR MATERIAL FROM SAID SUBSTANTIALLY PERPENDICULAR PORTION OF THE PERIMETER OF SAID POCKET TO BURY SAID INSULATING MATERIAL.
Claim 2
Dependent Claim
89 words
IN A METHOD FOR FABRICATING ELECTRONIC COMPONENTS WITHIN A SINGLE SEMICONDUCTOR SUBSTRATE, THE STEPS OF (A) SELECTIVELY REMOVING A PORTION OF SEMICONDUCTOR MATERIAL TO FORM A POCKET WITHIN SAID SEMICONDUCTOR SUBSTRATE, SAID POCKET HAVING A PORTION OF ITS (B) SELECTIVELY APPLYING INSULATING MATERIAL ON SAID REMAINING PERIMETER OF SAID POCKET, SAID SUBSTANTIALLY PERPENDICULAR PORTION OF THE PERIMETER OF SAID POCKET REMAINING EXPOSED SEMICONDUCTOR MATERIAL, AND (C) SELECTIVELY EPITAXIALLY GROWING SINGLE CRYSTALLINE SEMICONDUCTOR MATERIAL FROM SAID SUBSTANTIALLY PERPENDICULAR PORTION OF THE PERIMETER OF SAID POCKET TO BURY SAID INSULATING MATERIAL.
References Cited (Backward Citations)
US3243323A
Cited
US3322581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |