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    • 4. 发明授权
    • Photosensor having an amorphous silicon photoabsorption layer
    • 具有非晶硅摄影层的光电传感器
    • US5093564A
    • 1992-03-03
    • US610590
    • 1990-11-08
    • Shinji MiyagakiSeigen Ri
    • Shinji MiyagakiSeigen Ri
    • H01L31/10H01L27/146
    • H01L27/14643
    • A photosensor comprises an insulator layer, a first electrode on the insulator layer for collecting first type carriers formed upon incidence of optical radiation, the first electrode being segmented into a plurality of pixel electrodes separated from each other by a gap, a first silicon carbide layer provided on the insulator layer to cover the plurality of pixel electrodes including the gap separating adjacent pixel electrodes, an optical absorption layer of amorphous silicon provided on the silicon carbide layer continuously such that the amorphous silicon layer extends over the plurality of pixel electrodes and the gap between adjacent pixel electrodes, the optical absorption layer producing the first type carriers and second type carriers having opposing polarity to the first type carriers upon incidence of the optical radiation, a second silicon carbide layer provided on the amorphous silicon layer for protecting the optical absorption layer from chemical reaction, and a second electrode of a transparent material provided on the silicon carbide layer for collecting the second type carriers produced in the optical absorption layer, wherein the first silicon carbide layer is doped to have a conductivity that enables formation of an electric field equal to or larger than about 4 volts/.mu.m in magnitude in the amorphous silicon layer and such that the conductivity is equal to or smaller than the conductivity of the amorphous silicon layer.
    • 5. 发明授权
    • Method of forming wiring of a semiconductor device
    • 形成半导体器件布线的方法
    • US5066612A
    • 1991-11-19
    • US637152
    • 1991-01-03
    • Takayuki OhbaShinji MiyagakiTatsushi HaraKenji MorishitaSeiichi SuzukiSeigen Ri
    • Takayuki OhbaShinji MiyagakiTatsushi HaraKenji MorishitaSeiichi SuzukiSeigen Ri
    • H01L21/768H01L23/485H01L21/44H01L21/48
    • H01L23/485H01L21/76879H01L2924/0002
    • In the course of a production of a semiconductor device with a multilayer insulating layer, when a contact hole is opened in the multilayer insulating layer, an insulating layer activating a metal selective vapor-growth appears at the side wall of the contact hole. A thin metal (e.g., tungsten) layer is selectively deposited in the contact hole. In another case, another metal layer appears within the contact hole. An insulating film preventing a metal selective vapor-growth is deposited over the whole surface of the side wall of the contact hole, the metal layer and a top surface of the multilayer insulating layer, and is anisotropically etched to leave a portion of the film lying on the side wall only as a side wall insulating film. The contact hole is completely filled with another metal (tungsten) by a selective vapor-growth method, to flatten an exposed surface, and then a conductor (e.g., aluminum) line layer is formed on the metal layer in the contact hole and the multilayer insulating layer, to thereby complete the wiring structure of the semiconductor device.
    • 在制造具有多层绝缘层的半导体器件的过程中,当多层绝缘层中的接触孔开放时,在接触孔的侧壁处出现激活金属选择性气相生长的绝缘层。 在接触孔中选择性地沉积薄金属(例如钨)层。 在另一种情况下,另一金属层出现在接触孔内。 防止金属选择性气相生长的绝缘膜沉积在接触孔的侧壁,金属层和多层绝缘层的顶表面的整个表面上,并被各向异性地蚀刻以使膜的一部分位于 在侧壁上仅作为侧壁绝缘膜。 接触孔通过选择性气相生长法完全填充另一种金属(钨),使露出的表面变平,然后在接触孔中的金属层上形成导体(例如,铝)线层,多层 绝缘层,从而完成半导体器件的布线结构。
    • 9. 发明授权
    • Method for growing compound semiconductor layers
    • 生长化合物半导体层的方法
    • US5492860A
    • 1996-02-20
    • US47202
    • 1993-04-16
    • Satoshi OhkuboShinji Miyagaki
    • Satoshi OhkuboShinji Miyagaki
    • H01L21/20H01L21/203
    • H01L21/0262H01L21/02381H01L21/02463H01L21/02505H01L21/02546Y10S148/017Y10S438/933
    • A method of growing a layer of a III-V compound semiconductor on a silicon substrate comprises an oxide layer removing step of removing an oxide layer on a surface of the silicon substrate at a first temperature, a low-temperature grown layer forming step of forming a low-temperature grown layer of the III-V compound semiconductor on the silicon substrate while introducing a source gas for Group III and a source gas for Group V at a second temperature lower than the first temperature, and a single crystal layer growing step of growing a single crystal layer of the Group III-V compound semiconductor on the low-temperature grown layer while introducing the source gas for Group III and the source gas for Group V at a third temperature higher than the second temperature and lower than the first temperature. The introduction of the source gas for Group V being started between the oxide layer removing step and the low-temperature grown layer forming step and at a predetermined temperature lower than the first temperature and higher than the third temperature, at which the first temperature arrives while being lowered to the second temperature. The surface of a silicone substrate is prevented from contamination before the formation of the low-temperature grown layer. A III-V compound semiconductor layer which is superior in crystal perfection and surface morphology can be formed.
    • 在硅衬底上生长III-V族化合物半导体层的方法包括在第一温度下去除硅衬底表面上的氧化物层的氧化物层去除步骤,形成第一温度的低温生长层形成步骤 在第二温度低于第一温度的同时,在硅衬底上引入III-V族化合物半导体的低温生长层,同时引入第III族源气体和V族源气体;以及单晶层生长步骤 在低温生长层上生长第III-V族化合物半导体的单晶层,同时在比第二温度高且低于第一温度的第三温度下引入用于组III的源气体和V族源气体 。 在氧化物层去除步骤和低温生长层形成步骤之间并且在比第一温度低的第一温度和高于第一温度到达的第三温度的预定温度下开始引入用于V组的源气体, 降至第二温度。 在形成低温生长层之前,防止硅树脂基材的表面被污染。 可以形成晶体完整性和表面形态优异的III-V族化合物半导体层。