Recorders – Magnetographic
Patent
1986-06-05
1987-10-20
Evans, Arthur G.
Recorders
Magnetographic
346 745, 360122, G01D 1512
Patent
active
047017678
ABSTRACT:
A method is disclosed which manufactures a recording head adapted to be moved relative to a recording medium, which is comprised of a conductive substrate and dielectric layer formed on the conductive substrate, to permit data to be recorded on the recording medium with the use of a conductive/magnetic toner on the recording medium. A conductive/magnetic sheet is attached to an insulating substrate of a first size with an adhesive layer therebetween, the first size of the insulating substrate is greater than a second size thereof defined by an insulating substrate of a finally completed recording head. The conductive/magnetic sheet is selectively etched to form an array of slits at a predetermined interval with both ends of the slits located beyond the side edges of an insulating substrate of a finally completed recording head. At one side edge portion of the conductive/magnetic sheet the conductive/magnetic sheet is electroplated to form a plated layer for a bonding pad. Those areas of the conductive/magnetic sheet, plated layer and insulating substrate, which are located beyond the side edge of the insulating substrate of the finally completed recording head, are cut to form a parallel array of electrodes and a bonding pad on one side edge portion of the conductive/magnetic electrodes.
REFERENCES:
patent: 3816840 (1984-06-01), Kotz
Harata Mitsuo
Imai Motomasa
Nishijima Kazuo
Takahashi Takashi
Evans Arthur G.
Kabushiki Kaisha Toshiba
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