The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 1998
Filed:
Aug. 03, 1995
Applicant:
Inventor:
Daniel B Granzow, Spring, TX (US);
Assignee:
Compag Computer Corporation, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
347 68 ;
Abstract
A sidewall actuated channel array for a high density ink jet printhead includes a top wall, bottom wall and a plurality of liquid confining channels formed between columns of polarized piezoelectric material. The array is formed from a plurality of sheets of polarized piezoelectric material which are joined together. Several embodiments are provided for distributing the joints between sheets of piezoelectric material to reduce the magnitude of the electric field needed to polarize the piezoelectric material.
Quick Actions:
Granzow, Daniel. (1998). Elongated ink jet printhead using joined piezoelectric actuator (U.S. Patent No. 5751318). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5751318
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile