US2898528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicon semiconductor device
Assignee: Siemens Schuckertwerke AG
•
Filing: 1957-05-07
•
Granted: 1959-08-04
•
Expires: 1977-05-07
Abstract
No abstract record available.
Inventors
- 👤 Patalong Hubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:17
CPC Classifications
H; H10; H10P; H10P95/00; C; C22; C22C; C22C5/00; C22C5/02; H01; H01B; H01B1/00; H01B1/02; H10D; H10D99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A SEMICONDUCTOR DEVICE, COMPRISING A SEMICONDUCTOR BODY OF SUBSTANTIALLY MONOCRYSTALLINE SILICON, AND AT LEAST ONE METALLIC CONTACT MEMBER OF FOIL THICKNESS MOUNTED ON, AND FUSION-JOINED WITH, SAID BODY TO FORM A JUNCTION ZONE OF UNIFORM DEPTH OF PENETATION AND FREE FROM MECHANICAL STRESSES, AND ZONE BEING LARGER THAN 1 MM.2 IN AREA, SAID METALLIC CONTACT MEMBER HAVING AN AREA EQUAL TO THAT OF SAID JUNCTION ZONE AND CONSISTING OF A GOLD-ANTIMONY ALLOY HAVING AN ANTIMONY CONTENT BETWEEN 0.2 AND 5% BY WEIGHT.
Claim 2
Dependent Claim
82 words
A SEMICONDUCTOR DEVICE, COMPRISING A SEMICONDUCTOR BODY OF SUBSTANTIALLY MONOCRYSTALLINE SILICON, AND AT LEAST ONE METALLIC CONTACT MEMBER OF FOIL THICKNESS MOUNTED ON, AND FUSION-JOINED WITH, SAID BODY TO FORM A JUNCTION ZONE OF UNIFORM DEPTH OF PENETATION AND FREE FROM MECHANICAL STRESSES, AND ZONE BEING LARGER THAN 1 MM.2 IN AREA, SAID METALLIC CONTACT MEMBER HAVING AN AREA EQUAL TO THAT OF SAID JUNCTION ZONE AND CONSISTING OF A GOLD-ANTIMONY ALLOY HAVING AN ANTIMONY CONTENT BETWEEN 0.2 AND 5% BY WEIGHT.
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) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |