IP Library Granted Patent US 6,046,539
Granted Patent Utility
US 6,046,539 · App. 08/846,522

Use of sacrificial masking layer and backside exposure in forming openings that typically receive light-emissive material

Inventors: Duane A. Haven, Arthur J. Learn, John D. Porter
Patented Case View Patent ↗
Granted: Apr 4, 2000 Filed: Apr 29, 1997
Inventors
Duane A. Haven
Arthur J. Learn
John D. Porter
Assignee (at issue)
Candescent Technologies Corporation

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

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 patent's details
Quick Facts
Patent No.
US 6,046,539
App. No.
08/846,522
Filed
1997-04-29
Granted
2000-04-04
Kind
A