IP Library Granted Patent US 6,670,082
Granted Patent Utility
US 6,670,082 · Confirmation No. 7626

SYSTEM AND METHOD FOR CORRECTING 3D EFFECTS IN AN ALTERNATING PHASE-SHIFTING MASK

Inventors: Yong Liu, Hua-Yu Liu
⬇ PDF
Code Description Pages PDF
2003-10-17 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-10-09 TRNA Transmittal of New Application 2 View
2001-10-09 SPEC Specification 15 View
2001-10-09 CLM Claims 10 View
2001-10-09 ABST Abstract 1 View
2001-10-09 DRW Drawings-only black and white line drawings 8 View
2001-10-09 OATH Oath or Declaration filed 3 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
Patent No.
US 6,670,082
App. No.
09/974,507
Filed
2001-10-09
Granted
2003-12-30
Pub. No.
US20030068564A1
Art Unit
1756
PTA
0 days