Granted Patent
Utility
US 5,646,804 · App. 07/811,556
Thin film magnetic head having polymer on broken flux guide sections, method of producing and integrated structure incorporating same
Inventors:
Todd G. Backer, Arthur Calderon, Wei C. Hsie, William P. Wood, Terry Mitchell
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: Dec 20, 1991
Inventors
Todd G. Backer
Arthur Calderon
Wei C. Hsie
William P. Wood
Terry Mitchell
Assignee (at issue)
Philips Electronics North America 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.