A recording head for electrostatic recording comprises an electrode substrate formed by bonding together by a bonding agent a pair of substantially planar sub-substrates of an electrical insulating material, each of which is formed on its one surface with a plurality of elongate, equally-spaced and parallel...http://www.google.fr/patents/US5079572?utm_source=gb-gplus-shareBrevet US5079572 - Electrostatic recording head and method of making the same
Electrostatic recording head and method of making the same
