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. 04, 1999
Filed:
Sep. 03, 1997
Applicant:
Inventors:
Robert Weiss, Gersthofen, DE;
Alfred Hirt, Munchen, DE;
Assignee:
MAN Roland Druckmaschinen AG, Offenbach AM Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 49 ; 430 51 ;
Abstract
A printing form and process relating to the formation of images on the printing form. The printing form includes a ferroelectric layer (1) on which photoferroelectric effect is used to polarize or depolarize the layer to form the image to be printed in the layer (1). The printing form may also include a layer which is neither ferroelectric nor has the function of a photoconductor which adjoins the ferroelectric layer 1. In this instance, the photoelectric effect is used to form the image to be printed on the ferroelectric layer.