Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1992-12-08
1994-07-12
Goodrow, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430111, G03G 908
Patent
active
053287916
ABSTRACT:
Disclosed is a dry type developer including colored particles which are flown to a recording medium, thereby an image being recorded on the recording medium, wherein, a ratio of both an average particle size of the particles calculated based on volume of the particle and an average particle size of the particles calculated based on number of the particle, lies in a range of from 1.00 to 1.35. Thereby, the distribution of the particle size in the toner can be made sharp with mono-dispersion, thus uniform charge quantity can be obtained without being affected by changing in the charge quantity changed according to the toner particle size, because the toner particle size can be made uniform. Therefore, the image with stable and uniform concentration can be recorded on the recording medium all the time. As a result, the image with fine line can be clearly recorded on the recording medium with high resolution.
REFERENCES:
patent: 3689935 (1972-09-01), Pressman et al.
patent: 4996126 (1991-02-01), Anno et al.
patent: 5137796 (1992-08-01), Takiguchi et al.
patent: 5202213 (1993-04-01), Nakahara et al.
Brother Kogyo Kabushiki Kaisha
Goodrow John
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