US3241010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor junction passivation
Assignee: Texas Instruments Inc
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Filing: 1962-03-23
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Granted: 1966-03-15
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Expires: 1982-03-23
Abstract
No abstract record available.
Inventors
- 👤 James H Eddleston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:36
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/10; H10W74/131; H10D; H10D99/00; H10W74/40; H10W74/43; Y; Y10; Y10S; Y10S148/00; Y10S148/043; Y10S148/05; Y10S148/085; Y10S148/117; Y10S148/118
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A SEMICONDUCTOR DEVICE COMPRISING: (A) A FIRST REGION OF ONE CONDUCTIVITY TYPE SEMICONDUCTOR MATERIAL, (B) A SECOND REGION OF A DIFFERENT CONDUCTIVITY TYPE SEMICONDUCTOR MATERIAL ADJACENT TO SAID FIRST REGION WITH A JUNCTION THEREBETWEN EXTENDING TO SURFACE AREAS OF SAID DEVICE, AND (C) A COATING ADHERENT TO SAID SURFACE AREAS IN INTIMATE CONTACT WITH SAID JUNCTION TO PASSIVATE SAID JUNCTION, SAID COATING BEING FORMED OF A GLASS OF MAJOR PORTION OF LEAD OXIDE AND A MAJOR PORTION OF SILCON DIOXIDE AND ABOUT 10% OF ALUMINUM OXIDE AND ONLY TRACE ELEMENTS NEUTRAL WITH RESPECT TO THE SEMICONDUCTOR MATERIAL.
Claim 2
Dependent Claim
97 words
A SEMICONDUCTOR DEVICE COMPRISING: (A) A FIRST REGION OF ONE CONDUCTIVITY TYPE SEMICONDUCTOR MATERIAL, (B) A SECOND REGION OF A DIFFERENT CONDUCTIVITY TYPE SEMICONDUCTOR MATERIAL ADJACENT TO SAID FIRST REGION WITH A JUNCTION THEREBETWEN EXTENDING TO SURFACE AREAS OF SAID DEVICE, AND (C) A COATING ADHERENT TO SAID SURFACE AREAS IN INTIMATE CONTACT WITH SAID JUNCTION TO PASSIVATE SAID JUNCTION, SAID COATING BEING FORMED OF A GLASS OF MAJOR PORTION OF LEAD OXIDE AND A MAJOR PORTION OF SILCON DIOXIDE AND ABOUT 10% OF ALUMINUM OXIDE AND ONLY TRACE ELEMENTS NEUTRAL WITH RESPECT TO THE SEMICONDUCTOR MATERIAL.
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |