US3066053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing semiconductor devices
Assignee: GTE Sylvania Inc
•
Filing: 1960-02-01
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Granted: 1962-11-27
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Expires: 1980-02-01
Abstract
No abstract record available.
Inventors
- 👤 Robert E Hunt
- 👤 Robert C Ingraham
- 👤 William J Pietenpol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:14
CPC Classifications
H; H10; H10P; H10P50/00; H10P50/60; H10P50/64; H10P50/642; H10P95/00; Y; Y10; Y10S; Y10S438/00; Y10S438/942; Y10S438/944
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE METHOD OF PRODUCING SEMICONDUCTOR DEVICES INCLUDING THE STEPS OF PLACING A MASK HAVING A PLURALITY OF APERTURES THEREIN AT A PREDETERMINED DISTANCE FROM A SURFACE OF A BODY OF SEMICONDUCTOR MATERIAL, DEPOSITING A CONDUCTIVITY TYPE IMPARTING MATERIAL ON SAID SURFACE THROUGH EACH OF SAID PLURALITY OF APERTURES, THE CONDUCTIVITY TYPE IMPARTING MATERIAL DEPOSITED THROUGH EACH OF SAID APERTURES DEFINING A DIFFERENT ONE OF A LIKE PLURALITY OF FIRST REGION ON SAID SURFACE COATED BY SAID MATERIAL, HEATING TO CAUSE PENETRATION OF SAID MATERIAL INTO SAID BODY AT EACH OF SAID FIRST REGIONS, DEPOSITING A RESISTANT MATERIAL THROUGH EACH OF SAID PLURALITY OF APERTURES, THE RESISTANT MATERIAL DEPOSITED THROUGH EACH OF
Claim 2
Independent Claim
111 words
THE METHOD OF PRODUCING SEMICONDUCTOR DEVICES INCLUDING THE STEPS OF PLACING A MASK HAVING A PLURALITY OF APERTURES THEREIN AT A PREDETERMINED DISTANCE FROM A SURFACE OF A BODY OF SEMICONDUCTOR MATERIAL, DEPOSITING A CONDUCTIVITY TYPE IMPARTING MATERIAL ON SAID SURFACE THROUGH EACH OF SAID PLURALITY OF APERTURES, THE CONDUCTIVITY TYPE IMPARTING MATERIAL DEPOSITED THROUGH EACH OF SAID APERTURES DEFINING A DIFFERENT ONE OF A LIKE PLURALITY OF FIRST REGION ON SAID SURFACE COATED BY SAID MATERIAL, HEATING TO CAUSE PENETRATION OF SAID MATERIAL INTO SAID BODY AT EACH OF SAID FIRST REGIONS, DEPOSITING A RESISTANT MATERIAL THROUGH EACH OF SAID PLURALITY OF APERTURES, THE RESISTANT MATERIAL DEPOSITED THROUGH EACH OF
References Cited (Backward Citations)
US2759861A
Cited
US2870050A
Cited
US2968751A
Cited
US2890395A
Cited
US2970896A
Cited
US2969296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |