IP Library Granted Patent US 6,645,856
Granted Patent Utility
US 6,645,856 · Confirmation No. 9566

METHOD FOR MANUFACTURING A SEMICONDUCTOR DEVICE USING A HALF-TONE PHASE-SHIFT MASK TO TRANSFER A PATTERN ONTO A SUBSTRATE

⬇ PDF
Code Description Pages PDF
2003-08-22 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-06-14 TRNA Transmittal of New Application 1 View
2002-06-14 SPEC Specification 46 View
2002-06-14 CLM Claims 6 View
2002-06-14 ABST Abstract 1 View
2002-06-14 DRW Drawings-only black and white line drawings 18 View
2002-06-14 OATH Oath or Declaration filed 4 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 6,645,856
App. No.
10/170,647
Filed
2002-06-14
Granted
2003-11-11
Pub. No.
US20030036293A1
Art Unit
2813
PTA
0 days