Patent DE2723902A1 successfully refreshed from Google Patents.
← Back to Patent Explorer
DE2723902A1 Expired / Lapsed DE ⏱️ 0.0 years remaining

METHOD FOR ADJUSTING A SEMICONDUCTOR DISC RELATIVE TO A RADIATION MASK IN X-RAY PHOTOLITHOGRAPHY

Assignee: Siemens Corp
•
Filing: 1977-05-26
•
Granted: —
•
Expires: 1997-05-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Eckart Dr Phil Hundt

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-02 15:29
CPC Classifications
G; G03; G03F; G03F9/00; G03F9/70; Y; Y10; Y10S; Y10S438/00; Y10S438/975

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

DE2333902A1 Cited
US3928094A 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