in which the powder image is formed directly on the recording material

Introduced: January 1995

Last revised: January 2006

Full Title

Apparatus for electrographic processes using a charge pattern > involving the combination of more than one step according to groups > in which the powder image is formed directly on the recording material

Classification Context

Section:: PHYSICS
Class:: PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
Subclass:: ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY