Patent US3381896A successfully refreshed from Google Patents.
Patent US3739268A successfully refreshed from Google Patents.
Patent JPS546459A successfully refreshed from Google Patents.
JPS546459A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Semiconductor device
Assignee: Hitachi Ltd
•
Filing: 1977-06-17
•
Granted: —
•
Expires: 1997-06-17
Abstract
Abstract PURPOSE: To maintain a surface contact with a lead at the center part, by constituting a bump electrode with the center part protruded from the circumferential part. COPYRIGHT: (C)1979,JPO&Japio
Inventors
- 👤 Isao Sakamoto
- 👤 Akihiro Tomosawa
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-05 22:11
CPC Classifications
—
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
Maintenance schedule is calculated for granted US utility patents.