Patent JPS5366376A successfully refreshed from Google Patents.
← Back to Patent Explorer
JPS5366376A Expired / Lapsed JP ⏱️ 0.0 years remaining

Photo mask

Assignee: Fujitsu Ltd
•
Filing: 1976-11-26
•
Granted: —
•
Expires: 1996-11-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract PURPOSE: To avoid the residual air at the center of contact surface and to avoid difficulty in separation due to excessive adhesion, by covering the pattern surface of photo mask with the resin film having fine surface unevenness. COPYRIGHT: (C)1978,JPO&Japio

Inventors

  • 👤 Takashi Ariga

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-10-24 10:15
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)

JPS49131681A Cited
JPS5179575A Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag