An electrostatic image forming method for various kinds of image forming apparatuses. At an exposing step, a light image having a light quantity region greater than a predetermined quantity of light is projected to form on a dielectric layer of a dielectric recording medium a positive electrostatic image...http://www.google.se/patents/US4628017?utm_source=gb-gplus-sharePatent US4628017 - Electrostatic image forming method
