US3223820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of ohmically connecting filament to semiconducting material
Assignee: Individual
•
Filing: 1963-03-25
•
Granted: 1965-12-14
•
Expires: 1983-03-25
Abstract
No abstract record available.
Inventors
- 👤 Matsuura Etsuyuki
- 👤 Matsui Keiji
- 👤 Rynkiti R Hasiguti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:53
CPC Classifications
H; H10; H10P; H10P95/00; H10W; H10W72/00; H10W72/071; H10W72/0711; H10W72/075; H10W72/07531; H10W72/07532; H10W72/50; H10W72/531; H10W72/5363; H10W72/551; H10W72/552; H10W72/5522
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A METHOD OF OHMICALLY CONNECTING LEADS TO SEMICONDUCTING MATERIALS COMPRISING PLACING A CONDUCTIVE FILAMENT ON A SURFACE OF A SEMICONDUCTING MATERIAL OF THE GROUP CONSISTING OF SILICON AND GERMANIUM, PRESSING SAID FILAMENT AGAINST SAID SEMICONDUCTING MATERIAL WITH A PRESSURE WEDGE CONSISTING OF QUARTZ, PRESSING A CURRENT SUPPLIER AGAINST SAID SEMICONDUCTING MATERIAL AND PASSING AN ELECTRIC CURRENT FROM SAID CURRENT SUPPLIER THROUGH SAID SEMICONDUCTING MATERIAL TO SAID FILAMENT WHEREBY SAID FILAMENT FUZES AND BECOMES CONNECTED TO SAID SEMICONDUCTING MATERIAL.
Claim 2
Independent Claim
78 words
A METHOD OF OHMICALLY CONNECTING LEADS TO SEMICONDUCTING MATERIALS COMPRISING PLACING A CONDUCTIVE FILAMENT ON A SURFACE OF A SEMICONDUCTING MATERIAL OF THE GROUP CONSISTING OF SILICON AND GERMANIUM, PRESSING SAID FILAMENT AGAINST SAID SEMICONDUCTING MATERIAL WITH A PRESSURE WEDGE CONSISTING OF QUARTZ, PRESSING A CURRENT SUPPLIER AGAINST SAID SEMICONDUCTING MATERIAL AND PASSING AN ELECTRIC CURRENT FROM SAID CURRENT SUPPLIER THROUGH SAID SEMICONDUCTING MATERIAL TO SAID FILAMENT WHEREBY SAID FILAMENT FUZES AND BECOMES CONNECTED TO SAID SEMICONDUCTING MATERIAL.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |