US3796598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for growing lead conductors on planar transistors
Assignee: Hitachi Ltd
•
Filing: 1971-08-09
•
Granted: 1974-03-12
•
Expires: 1991-08-09
Abstract
Abstract A PLANAR TRANSISTOR IS FORMED BY PROVIDING A PLURALITY OF ELECTRODES CONNECTED TO THE SURFACE PORTIONS OF THE TRANSISTOR, SAID ELECTRODES HAVING WHISKERS LEAD CONDUCTORS LIQUID-SOLID CRYSTAL GROWTH METHOD.
Inventors
- 👤 T Gejyo
- 👤 T Saito
- 👤 K Otsuka
- 👤 K Sugawara
- 👤 S Minagawa
- 👤 K Moriwaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:31
CPC Classifications
H; H10; H10W; H10W20/00; H10W20/40; H10W72/00; H10W72/01; H10W72/012; H10W70/00; H10W70/60; H10W70/62; H10W70/65; H10W70/654; H10W70/655; H10W72/071; H10W72/072; H10W72/07231; H10W72/07236; H10W72/20; H10W72/241; H10W72/244; H10W72/251; H10W72/50; H10W72/551; H10W72/552; H10W72/5522; H10W72/5524; H10W72/90; H10W72/921; H10W72/922; H10W72/941; H10W72/944; H10W72/9445; H10W72/951; H10W72/952; H10W90/00; H10W90/701; H10W90/751; H10W90/756; Y; Y10; Y10S; Y10S148/00; Y10S148/02; Y10S148/17
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-11 | 1977-09-10 | 1978-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-11 | 1981-09-10 | 1982-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-11 | 1985-09-10 | 1986-03-12 | $7700.00 | Window Closed / Lapsed |