US2817607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making semi-conductor bodies
Assignee: RCA Corp
•
Filing: 1953-08-24
•
Granted: 1957-12-24
•
Expires: 1973-08-24
Abstract
No abstract record available.
Inventors
- 👤 Dietrich A Jenny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:41
CPC Classifications
H; H10; H10P; H10P95/00; C; C30; C30B; C30B31/00; C30B31/02; H10P32/00; H10P32/10; H10P32/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A METHOD OF MAKING A P-N RECTIFYING JUNCTION IN AN N-TYPE SEMICONDUCTIVE BODY COMPRISING THE STEPS OF PRESSING A MASS OF CONDUCTIVITY TYPE-DETERMINING MATERIAL SELECTED FROM THE GROUP CONSISTING OF INDIUM, ALUMINUM, AND GALLIUM, UPON THE SURFACE OF SAID BODY AT AN ELEVATED TEMPERATURE BELOW THE MELTING POINTS OF SAID BODY AND OF SAID MATERIAL, THEREBY TO CAUSE A PORTION OF SAID MATERIAL TO DIFFUSE INTO SAID BODY TO CHANGE
Claim 2
Independent Claim
70 words
A METHOD OF MAKING A P-N RECTIFYING JUNCTION IN AN N-TYPE SEMICONDUCTIVE BODY COMPRISING THE STEPS OF PRESSING A MASS OF CONDUCTIVITY TYPE-DETERMINING MATERIAL SELECTED FROM THE GROUP CONSISTING OF INDIUM, ALUMINUM, AND GALLIUM, UPON THE SURFACE OF SAID BODY AT AN ELEVATED TEMPERATURE BELOW THE MELTING POINTS OF SAID BODY AND OF SAID MATERIAL, THEREBY TO CAUSE A PORTION OF SAID MATERIAL TO DIFFUSE INTO SAID BODY TO CHANGE
References Cited (Backward Citations)
US1997006A
Cited
US2464066A
Cited
US2449484A
Cited
US2560594A
Cited
US2629672A
Cited
US2561411A
Cited
US2629039A
Cited
US2603693A
Cited
US2743201A
Cited
US2697052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-23 | 1961-06-24 | 1961-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-23 | 1965-06-24 | 1965-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-23 | 1969-06-24 | 1969-12-24 | $7700.00 | Window Closed / Lapsed |