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    • 3. 发明授权
    • Electrophotographic member with .alpha.-Si and H
    • 具有α-Si和H的电子照相元件
    • US4377628A
    • 1983-03-22
    • US257346
    • 1981-04-24
    • Sachio IshiokaEiichi MaruyamaYoshinori ImamuraHirokazu MatsubaraShinkichi Horigome
    • Sachio IshiokaEiichi MaruyamaYoshinori ImamuraHirokazu MatsubaraShinkichi Horigome
    • G03G5/08G03F7/20G03G5/082H01L31/08G03G5/14
    • G03F7/70216G03F7/707G03G5/08221G03G5/08235
    • Disclosed is an electrophotographic member having an amorphous-silicon photoconductive layer, wherein the distance between a portion in which light illuminating the photoconductor is absorbed therein until its intensity decreases to 1% of that at incidence and the interface of the photoconductor opposite to the light incidence side thereof is at most 5 .mu.m, whereby the residual potential of the photoconductive layer can be reduced.That part of the photoconductive layer constituting the electrophotographic member which is at least 10 nm thick inwardly of the photoconductive layer from the surface thereof to store charges is made of amorphous silicon which has an optical forbidden band gap of at least 1.6 eV and a resistivity of at least 10.sup.10 .OMEGA..multidot.cm. Further, within such photoconductive layer, a region of amorphous silicon which has an optical forbidden band gap smaller than that of the amorphous silicon forming the surface part is disposed at a thickness of at least 10 nm. By forming the region of the narrower optical forbidden band gap within the photoconductive layer in this manner, the sensitivity of the photoconductive layer to light of longer wavelengths can be enhanced.
    • 公开了具有非晶硅光电导层的电子照相构件,其中照射光电导体的光被吸收到其中的部分之间的距离,直到其强度降低到其入射时的1%,并且光电导体的与光入射相反的界面 一侧为5μm以下,能够降低光电导层的残留电位。 构成电子照相构件的光电导元件的从其表面向内存储电荷的至少10nm厚的电子照相构件的部分由非晶硅制成,其具有至少1.6eV的光学禁带宽和电阻率 至少1010 OMEGA xcm。 此外,在这种光导电层内,具有比形成表面部分的非晶硅的光学禁带宽小的非晶硅区域设置在至少10nm的厚度。 通过以这种方式在光导电层内形成较窄的光学禁带区域,可以提高光电导层对较长波长的光的灵敏度。
    • 4. 发明授权
    • Electrophotographic member
    • 电子照相成份
    • US4365013A
    • 1982-12-21
    • US287633
    • 1981-07-28
    • Sachio IshiokaEiichi MaruyamaYoshinori ImamuraHirokazu MatsubaraShinkichi Horigome
    • Sachio IshiokaEiichi MaruyamaYoshinori ImamuraHirokazu MatsubaraShinkichi Horigome
    • G03G5/08C23C14/14C23C14/35G03G5/082G03G5/14G03G5/147H01L31/08
    • G03G5/08235G03G5/144G03G5/14704
    • Disclosed is an electrophotographic member having at least a supporter and a photoconductor layer formed mainly of amorphous silicon, characterized in that the amorphous silicon contains at least 50 atomic-% of silicon and at least 1 atomic-% of hydrogen as an average within the layer, and that a part which is at least 10 nm thick from a surface or/and interface of the photoconductor layer toward the interior of the photoconductor layer has a hydrogen content in a range of at least 1 atomic-% to at most 40 atomic-% and an optical forbidden band gap in a range of at least 1.3 eV to at most 2.5 eV and also has the property that an intensity of at least one of peaks having centers at wave numbers of approximately 2,200 cm.sup.-1, approximately 1,140 cm.sup.-1, approximately 1,040 cm.sup.-1, approximately 650 cm.sup.-1, approximately 860 cm.sup.-1 and approximately 800 cm.sup.-1 in an infrared absorption spectrum as are attributed to a bond between silicon and oxygen does not exceed 20% of a higher one of intensities of peaks having centers at wave numbers of approximately 2,000 cm.sup.-1 and approximately 2,100 cm.sup.-1 as are attributed to a bond between silicon and hydrogen. Dark decay characteristics are good, and a satisfactory surface potential can be secured. In addition, the characteristics are stable versus time.
    • 公开了一种具有至少一种支撑体和主要由非晶硅形成的感光体层的电子照相构件,其特征在于,所述无定形硅含有至少50原子%的硅和至少1原子%的氢在该层内的平均值 并且从光电导体层的表面或/和界面朝向光电导体层的内部至少10nm厚的部分具有至少1原子%至至多40原子级的范围内的氢含量, 至少1.3eV至至多2.5eV的范围内的光学禁带宽度,并且还具有以波数约2,200cm-1为中心的至少一个峰的强度,约为1140cm- 在归因于硅和氧之间的键的红外吸收光谱中,约1,040cm -1,约650cm -1,约650cm -1,约860cm -1和约800cm -1不超过硅和氧之间的键的20% 强度o f峰由于硅和氢之间的键而归因于波数约2,000cm -1和约2,100cm -1的中心。 暗衰变特性良好,可以确保令人满意的表面电位。 此外,特性与时间相比是稳定的。
    • 10. 发明授权
    • Information-recording medium
    • 信息记录介质
    • US5314734A
    • 1994-05-24
    • US15854
    • 1993-02-10
    • Tetsuya NishidaShinkichi Horigome
    • Tetsuya NishidaShinkichi Horigome
    • B41M5/26C23C14/06G11B7/243G11B7/258B32B3/02
    • C23C14/0623G11B7/243G11B2007/24308G11B2007/2431G11B2007/24312G11B2007/24314G11B2007/24316Y10S428/913Y10S430/146
    • An information recording medium which is superior in record/read-out characteristics, high in sensitivity and good in stability can be provided at a low cost by using, as an information-recording medium in which recording is carried out due to change in atomic arrangement upon irradiation with a laser beam, an information-recording medium comprising substrates 1, 1' , recording layers 2, 2' changing in atomic arrangement upon irradiation with a recording energy beam, and reflective layers which are provided contiguous to the recording layers and the recording layer has an average composition represented by A.sub.w D.sub.x Sb.sub.y Se.sub.z (wherein w, x, y and z are in the ranges of 0.ltoreq.w.ltoreq.30, 3.ltoreq.x.ltoreq.57, 3.ltoreq.y.ltoreq.57 and 40.ltoreq.z.ltoreq.90 in atomic percent, D represents at least one element of Sn, In, Ge, Pb, Si, Bi, Ga, Au, Ag and Cu and A represents an element other than Sb, Se, the elements represented by D and rare gases).
    • 通过使用由于原子排列的变化而进行记录的信息记录介质,可以以低成本提供记录/读出特性优异,灵敏度高,稳定性好的信息记录介质 在用激光束照射的情况下,包括基板1,1'的信息记录介质,在记录能量束照射时以原子排列改变的记录层2,2'和与记录层邻接设置的反射层, 记录层具有由AwDxSbySez表示的平均组成(其中w,x,y和z在0≤w≤30,3≤x≤5.5,3≤y≤3.0的范围内, = 57和40原子百分比,D表示Sn,In,Ge,Pb,Si,Bi,Ga,Au,Ag和Cu中的至少一种元素,A表示Sb以外的元素 ,Se,由D表示的元素和稀有气体)。