US3044909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductive wafer and method of making the same
Assignee: Individual
•
Filing: 1958-10-23
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Granted: 1962-07-17
•
Expires: 1978-10-23
Abstract
No abstract record available.
Inventors
- 👤 Shockley William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:23
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/30; H10D48/32; H10D48/36; C; C30; C30B; C30B31/00; C30B31/06; H10D30/00; H10D30/80; H10D48/01; H10D62/00; H10D62/10; H10D99/00; H10P; H10P32/00; H10P95/00; Y; Y10; Y10S; Y10S438/00; Y10S438/914; Y10S438/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A METHOD OF MAKING A JUNCTION SEMICONDUCTIVE DEVICE WHICH COMPRISES THE STEPS OF FROMING A WAFER OF SEMICONDUCTIVE MATERIAL OF ONE CONDUCTIVITY TYPE HAVING FIRST AND SECOND SPACED SURFACES WITH A PLURALITY OF HOLES EXTENDING THROUGH THE WAFER FROM ONE SURFACES TO THE OTHER, EACH OF SAID HOLES BEING SURROUNDED BY A BURGERS CIRCUIT HAVING A NON-VANISHING BURGERS VECTOR, DIFFUSING, SEMICONDUCTIVE MATERIAL OF OPPOSITE CONDUCTIVITY TYPE INTO THE WAFER ALONG THE INSIDE SURFACE OF SAID HOLES TO FORM A LAYER OF OPPOSITE CONDUCTIVITY TYPE DEFINING EACH OF SAID HOLES, AND MAKING OHMIC CONTACT TO SAID WAFER ON OPPOSITE SIDES OF SAID HOLES AND MAKING OHMIC CONTACT TO SAID LAYERS.
Claim 2
Independent Claim
109 words
A METHOD OF MAKING A JUNCTION SEMICONDUCTIVE DEVICE WHICH COMPRISES THE STEPS OF FROMING A WAFER OF SEMICONDUCTIVE MATERIAL OF ONE CONDUCTIVITY TYPE HAVING FIRST AND SECOND SPACED SURFACES WITH A PLURALITY OF HOLES EXTENDING THROUGH THE WAFER FROM ONE SURFACES TO THE OTHER, EACH OF SAID HOLES BEING SURROUNDED BY A BURGERS CIRCUIT HAVING A NON-VANISHING BURGERS VECTOR, DIFFUSING, SEMICONDUCTIVE MATERIAL OF OPPOSITE CONDUCTIVITY TYPE INTO THE WAFER ALONG THE INSIDE SURFACE OF SAID HOLES TO FORM A LAYER OF OPPOSITE CONDUCTIVITY TYPE DEFINING EACH OF SAID HOLES, AND MAKING OHMIC CONTACT TO SAID WAFER ON OPPOSITE SIDES OF SAID HOLES AND MAKING OHMIC CONTACT TO SAID LAYERS.
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) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |