Electrostatic holder

Abstract

An electrostatic holder suitable for electrostatically adhering thereto paper and developed silver halide emulsion films, wherein said holder comprises in the following order: (1) an electrically insulating member carrying the hereinafter described elements (2) to (5), (2) an electrically conductive member acting as electrode, (3) a dielectric layer having a dielectric strength of at least 150 kV.cm and a thickness in the range of 10 to 1000 .mu.m, (4) an electrically conductive member acting as electrode and having the form of a grid or electrically interconnected conductor strips, and (5) a covering layer having a surface resistivity of at least 10.sup.9 ohm/square and a thickness of at most 100 .mu.m, and wherein said interconnected conductor strips are grounded and put at a direct current potential difference with respect to said electrode (2).

Dependencies are inferred from the claim text.