Granted Patent
Utility
US 6,780,784 · App. 10/015,650
Etchant and array substrate having copper lines etched by the etchant
Inventors:
Gyoo-Chul Jo, Ki-Sung Chae
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Dec 17, 2001
Inventors
Gyoo-Chul Jo
Ki-Sung Chae
Assignee (at issue)
LG Philips LCD Co., Ltd.
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.