US3002864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing semi-conductor devices
Assignee: US Philips Corp
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Filing: 1959-08-10
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Granted: 1961-10-03
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Expires: 1979-08-10
Abstract
No abstract record available.
Inventors
- 👤 Johannes Jacobus Asuerus P Ams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:55
CPC Classifications
B; B60; B60M; B60M1/00; B60M1/12; B60M1/13; B60M1/135; H; H10; H10P; H10P95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN THE METHOD OF ALLOYING A CONTACT TO A GERMANIUM SEMICONDUCTIVE BODY WHEREIN THE CONTACT MATERIAL IS PLACED IN CONTACT WITH THE SEMICONDUCTIVE BODY IN THE PRESENCE OF A FLUX CAPABLE OF FORMING THE HALIDE OF AN ELEMENT OF ONE OF THE CONTACT MATERIALS AND THE BODY AND IS HEATED AT A TEMPERATURE AT WHICH THE CONTACT MATERIAL MELTS AND ALLOYS TO THE BODY FORMING A RECRYSTALLIZED REGION WHOSE CONDUCTIVITY IS DETERMINED BY THE CONTACT MATERIAL, THE IMPROVEMENT COMPRISING FIRST HEATING THE
Claim 2
Dependent Claim
82 words
IN THE METHOD OF ALLOYING A CONTACT TO A GERMANIUM SEMICONDUCTIVE BODY WHEREIN THE CONTACT MATERIAL IS PLACED IN CONTACT WITH THE SEMICONDUCTIVE BODY IN THE PRESENCE OF A FLUX CAPABLE OF FORMING THE HALIDE OF AN ELEMENT OF ONE OF THE CONTACT MATERIALS AND THE BODY AND IS HEATED AT A TEMPERATURE AT WHICH THE CONTACT MATERIAL MELTS AND ALLOYS TO THE BODY FORMING A RECRYSTALLIZED REGION WHOSE CONDUCTIVITY IS DETERMINED BY THE CONTACT MATERIAL, THE IMPROVEMENT COMPRISING FIRST HEATING THE
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) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |