JPH03211554A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Production of phase shift mask
Assignee: Fujitsu Ltd
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Filing: 1990-01-17
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Granted: —
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Expires: 2010-01-17
Abstract
Abstract Translated from Japanese (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。 (57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Inventors
- 👤 Jinko Kudo
- 👤 工藤 仁子
- 👤 Yasutaka Ban
- 👤 伴 保隆
- 👤 Kenji Sugishima
- 👤 賢次 杉島
- 👤 Kazuo Tokitomo
- 👤 時友 一雄
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-10-31 10:24
CPC Classifications
—
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