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:
Dec. 15, 1998
Filed:
Nov. 08, 1995
Applicant:
Inventors:
Jacques Leonard, Antwerpen, BE;
Francedilla.ois Backeljauw, Zwijndrecht, BE;
Guido Desie, Herent, BE;
Andre Van Geyte, Schilde, BE;
Assignee:
Agfa-Gevaert, Mortsel, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ; G01D / ; G02B / ; G02B / ;
U.S. Cl.
CPC ...
347141 ; 347 55 ;
Abstract
A device for direct electrostatic printing (DEP) including a back electrode, a printhead structure made from an insulating material and having a control electrode in combination with printing apertures, and a toner delivery apparatus that presents a cloud of toner particles in the vicinity of the printing apertures, in which the printhead structure is tightly stretched over a frame by means of lateral forces and the printhead structure has an overall flatness equal to or better than 50 .mu.m.