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公开(公告)号:US4968573A
公开(公告)日:1990-11-06
申请号:US942389
申请日:1986-12-16
申请人: Tadashi Kaneko , Yuki Okuyama , Mitsutaka Arai , Yoko Yamamoto , Satoru Ikeuchi
发明人: Tadashi Kaneko , Yuki Okuyama , Mitsutaka Arai , Yoko Yamamoto , Satoru Ikeuchi
CPC分类号: G03G9/10 , G03G13/09 , G03G9/1133 , G03G9/1134 , G03G9/1135 , G03G9/1136
摘要: In a method of developing an electrostatic latent image formed on an electrostatic latent image-carrying member with a developer comprising a magnetic carrier and a toner in a non-contact manner under application of an oscillating electric field to a development region, the improvement comprising the surface of said magnetic carrier is covered with an insulating material, and magnetization (M) of said magnetic carrier when measured under application of a magnetic field of 1000 Oersted and weight average diameter (R) of the same expressed in terms of micro meter satisfy the following relation:30.ltoreq.M.ltoreq.-0.8 R+150(wherein 10.ltoreq.R.ltoreq.150).
摘要翻译: 在使用包含磁性载体和调色剂的显影剂在静电潜像承载构件上形成的静电潜像在对显影区域施加振荡电场的非接触方式下的方法中,其改进包括 所述磁性载体的表面被绝缘材料覆盖,并且当在施加1000微米的磁场和以微米表示的重量平均直径(R))下测量时,所述磁性载体的磁化强度(M)满足 以下关系:30 = M - -0.8 R + 150(其中10≤R150)。
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公开(公告)号:US4828951A
公开(公告)日:1989-05-09
申请号:US168410
申请日:1988-03-15
CPC分类号: G03G9/09725 , G03G13/013 , G03G9/097 , G03G9/09708
摘要: An image forming method by the electrophotographic process is disclosed. The image forming method comprises the steps of forming a plurality of toner images different in color on an image carrying member by repeating the developing of the electrostatic latent image on the image carrying member with developers containing both toner and carrier, and transferring said plurality of the toner images at a time onto a receiving material, in which the toner to be provided for at least the initial toner image formation is mixed with 0.2 to 2% by weight of metal oxide particles having a BET specific surface area determined by nitrogen adsorption of from 30 m.sup.2 /g to 60 m.sup.2 /g. The method provides clear multicolor images free from any deterioration in the resolution due to transfer doubling trouble as well as in the image quality due to transfer-off spots.
摘要翻译: 公开了一种通过电子照相方法形成图像的方法。 图像形成方法包括以下步骤:通过重复图像承载构件上的静电潜像的显影而使包含调色剂和载体的显影剂重复地在图像承载构件上形成不同颜色的多个调色剂图像,并且转移所述多个 将一次调色剂图像一次接收到至少将初始调色剂图像形成用的调色剂与0.2至2重量%的具有通过氮吸附确定的BET比表面积的金属氧化物颗粒混合的接收材料上 30 m2 / g至60 m2 / g。 该方法提供了清晰的多色图像,由于转印倍增问题以及由于转印点的图像质量而无法降低分辨率。
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公开(公告)号:US4550054A
公开(公告)日:1985-10-29
申请号:US545960
申请日:1983-10-27
申请人: Yasuhisa Yamauchi , Masao Asano , Mitsutaka Arai
发明人: Yasuhisa Yamauchi , Masao Asano , Mitsutaka Arai
CPC分类号: G11B5/7022 , G11B5/7013 , G11B5/7028 , Y10S428/90 , Y10T428/256 , Y10T428/257 , Y10T428/2991 , Y10T428/31511 , Y10T428/31551 , Y10T428/31609 , Y10T428/31971
摘要: A magnetic recording medium comprising a non-magnetic substrate, a magnetic layer comprising ferromagnetic particles, a binder group, and a titanate coupling agent, said binder group comprising at least one polyurethane resin and at least one of a nitrocellulose resin and an epoxy resin, said titanate coupling agent having 6 ligands wherein each ligand is free of ethylenically unsaturated double bonds.
摘要翻译: 一种磁记录介质,包括非磁性基底,包含铁磁颗粒的磁性层,粘合剂基团和钛酸酯偶联剂,所述粘合剂基团包括至少一种聚氨酯树脂和硝酸纤维素树脂和环氧树脂中的至少一种, 所述钛酸酯偶联剂具有6个配体,其中每个配体不含烯属不饱和双键。
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