Granted Patent
Utility
US 6,440,643 · App. 09/921,112
Method of making inkjet print head with patterned photoresist layer having features with high aspect ratios
Inventors:
Mildred Calistri-Yeh, Cathie J. Burke, Diane Atkinson
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Aug 2, 2001
Inventors
Mildred Calistri-Yeh
Cathie J. Burke
Diane Atkinson
Assignee (at issue)
Xerox 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.