Coating processes – Measuring – testing – or indicating – Thickness or uniformity of thickness determined
Patent
1976-11-17
1979-08-21
Esposito, Michael F.
Coating processes
Measuring, testing, or indicating
Thickness or uniformity of thickness determined
96 1SD, 252 621P, G03G 1309
Patent
active
041653939
ABSTRACT:
A magnetic developing process for use in electrophotographic or electrostatic recording techniques employs a magnetic brush formed by a developer which comprises a powder mixture of a low resistance toner and a high resistance toner, at least one of which comprises a magnetic toner. Both toners are triboelectrically charged, and the magnetic toner serves as a carrier, so that both toners are attracted to an electrostatic image to provide a developing thereof.
REFERENCES:
patent: 2919247 (1959-12-01), Allen
patent: 3124457 (1964-03-01), Schwertz
patent: 3219014 (1965-11-01), Mott et al.
patent: 3262806 (1966-07-01), Gourge'427 18
Mochizuki Manabu
Ohnuma Teruyuki
Oyama Hajime
Suzuki Kohji
Esposito Michael F.
Frenkel Stuart D.
Ricoh Co. Ltd.
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