Patent US2554994A successfully refreshed from Google Patents.
Patent US4118197A successfully refreshed from Google Patents.
Patent US2931578A successfully refreshed from Google Patents.
Patent US3171187A successfully refreshed from Google Patents.
US3171187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing semiconductor devices
Assignee: NEC Corp
•
Filing: 1963-05-01
•
Granted: 1965-03-02
•
Expires: 1983-05-01
Abstract
No abstract record available.
Inventors
- 👤 Ikeda Koichi
- 👤 Suzuki Masao
- 👤 Majima Tsutomu
- 👤 Tsuji Shigeru
- 👤 Sato Katsuo
- 👤 Urushida Koichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:24
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/04; H10P72/0441; H10P72/0438; H10W; H10W72/00; H10W72/01; H10W72/0198; H10W76/00; H10W76/10; H10W76/12; H10W76/161; H10W90/00; H10W90/701; H10W90/751; H10W90/756; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49004; Y10T29/49117; Y10T29/49121
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A METHOD OF CONTINUOUSLY MANUFACTURING SEMICONDUCTOR DEVICES FROM A STRIP OF CONDUCTING MATERIAL AND A PLURALITY OF SEMICONDUCTOR ELEMENTS, SAID METHOD COMPRISIN THE STEPS OF (A) FORMING IN SAID CONDUCTING MATERIAL A PLURALITY OF OPENINGS HAVING INWARDLY PROJECTING FINGERS, (B) ATTACHING SAID SEMICONDUCTOR ELEMENTS TO CORRESPONDING ONES OF SAID INWARDLY PROJECTING FINGERS, (C) FORMING CONDUCTORS BETWEEN SAID SEMICONDUCTOR ELEMENTS AND CORRESPONDING OTHER ONES OF SAID INWARDLY PROJECTING FINGERS, (D) REMOVING SAID INWARDLY PROJECTING FINGERS FROM SAID STRIP OF CONDUCTING MATERIAL TO FORM A PLURALITY OF OPERABLE SEMICONDUCTOR DEVICES, AND (E) TESTING THE ELECTRICAL CHARACTERISTICS OF SAID DEVICES.
Claim 2
Independent Claim
97 words
A METHOD OF CONTINUOUSLY MANUFACTURING SEMICONDUCTOR DEVICES FROM A STRIP OF CONDUCTING MATERIAL AND A PLURALITY OF SEMICONDUCTOR ELEMENTS, SAID METHOD COMPRISIN THE STEPS OF (A) FORMING IN SAID CONDUCTING MATERIAL A PLURALITY OF OPENINGS HAVING INWARDLY PROJECTING FINGERS, (B) ATTACHING SAID SEMICONDUCTOR ELEMENTS TO CORRESPONDING ONES OF SAID INWARDLY PROJECTING FINGERS, (C) FORMING CONDUCTORS BETWEEN SAID SEMICONDUCTOR ELEMENTS AND CORRESPONDING OTHER ONES OF SAID INWARDLY PROJECTING FINGERS, (D) REMOVING SAID INWARDLY PROJECTING FINGERS FROM SAID STRIP OF CONDUCTING MATERIAL TO FORM A PLURALITY OF OPERABLE SEMICONDUCTOR DEVICES, AND (E) TESTING THE ELECTRICAL CHARACTERISTICS OF SAID DEVICES.
References Cited (Backward Citations)
US2627545A
Cited
US2900584A
Cited
GB809877A
Cited
US3061766A
Cited
US3065525A
Cited
US2985806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |