Patent JPS5273673A successfully refreshed from Google Patents.
JPS5273673A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Production of semiconductor device
Assignee: NEC Corp
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Filing: 1975-12-15
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Granted: —
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Expires: 1995-12-15
Abstract
Abstract PURPOSE: To prevent the deterioration in optical and electrical characteristics induced by the heat treatment of a group III-V semiconductor substrate. COPYRIGHT: (C)1977,JPO&Japio
Inventors
- 👤 Hidekazu Okabayashi
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-07 10:56
CPC Classifications
—
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