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:
Aug. 10, 2004
Filed:
Jun. 07, 2002
Applicant:
Inventors:
Wolfgang Wehl, Heilbronn, DE;
Jörg Wild, Heilbronn, DE;
Peter Krause, Frankfurt an der Oder, DE;
Assignee:
EKRA Edward Kraft GmbH, Gonnigheim, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/195 ; B41J 2/045 ;
U.S. Cl.
CPC ...
B41J 2/195 ; B41J 2/045 ;
Abstract
The invention relates to a printing chip for a printing head working according to the ink-jet printing principle, having at least one recess forming a medium chamber in the printing chip, a deflectable diaphragm forming one wall of the medium chamber, a duct opening in the medium chamber for feeding a liquid medium that is to be squirted out hot, and having a squirting-out opening connected to the medium chamber, which printing chip is distinguished by the fact that the printing chip ( ) is produced exclusively from monocrystalline silicon.