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    • 35. 发明申请
    • SEMICONDUCTOR DEVICE
    • 半导体器件
    • US20080073705A1
    • 2008-03-27
    • US11829248
    • 2007-07-27
    • Digh HISAMOTOItaru YanagiYasuhiro ShimamotoToshiyuki MineYutaka Okuyama
    • Digh HISAMOTOItaru YanagiYasuhiro ShimamotoToshiyuki MineYutaka Okuyama
    • H01L29/792
    • H01L29/792G11C16/0425G11C16/10H01L27/115H01L27/11568H01L29/66833
    • A gate dielectric functioning as a charge-trapping layer of a non-volatile memory cell with a structure of an insulator gate field effect transistor is formed by laminating a first insulator formed of a silicon oxide film, a second insulator formed of a silicon nitride film, a third insulator formed of a silicon nitride film containing oxygen, and a fourth insulator formed of a silicon oxide film in this order on a main surface of a semiconductor substrate. Holes are injected into the charge-trapping layer from a gate electrode side. Accordingly, since the operations can be achieved without the penetration of the holes through the interface in contact to the channel and the first insulator, the deterioration in rewriting endurance and the charge-trapping characteristics due to the deterioration of the first insulator does not occur, and highly efficient rewriting (writing and erasing) characteristics and stable charge-trapping characteristics can be achieved.
    • 作为具有绝缘体栅极场效应晶体管的结构的非易失性存储单元的电荷捕获层的栅极介质通过层叠由氧化硅膜形成的第一绝缘体,由氮化硅膜形成的第二绝缘体 由半导体衬底的主表面依次由含有氧的氮化硅膜构成的第三绝缘体和由氧化硅膜形成的第四绝缘体构成。 孔从栅电极侧注入电荷捕获层。 因此,由于可以在没有孔穿过与沟道和第一绝缘体接触的界面的情况下实现操作,所以不会发生由于第一绝缘体的劣化导致的重写耐久性和电荷捕获特性的劣化, 并且可以实现高效的重写(写入和擦除)特性和稳定的电荷捕获特性。
    • 36. 发明申请
    • SWITCH USING MICRO ELECTRO MECHANICAL SYSTEM
    • 使用微电子机械系统开关
    • US20070134835A1
    • 2007-06-14
    • US11566952
    • 2006-12-05
    • Hiroshi FukudaToshiyuki Mine
    • Hiroshi FukudaToshiyuki Mine
    • H01L21/00H01L29/84
    • H01H59/0009G02B6/357G02B6/358G02B6/3584H01H2001/0042H01H2001/0063
    • A MEMS switch is provided with a substrate, a diaphragm which is disposed on the substrate with interposing a cavity therebetween and is elastically deformed by electrostatic force, a switch drive electrode disposed on the substrate, and a switch drive electrode disposed on the diaphragm. Further, a charge accumulation electrode is disposed on the diaphragm between the switch drive electrode and the switch drive electrode. When charge is accumulated in the charge accumulation electrode, electrostatic force is generated between the charge accumulation electrode and the switch drive electrode, thereby deforming the diaphragm. Accordingly, a small-sized bistable MEMS switch whose structure is simple, whose holding state is stable for a long period, and which can be easily mounted together with a semiconductor integrated circuit can be realized.
    • MEMS开关设置有基板,隔膜,其设置在基板上,在其间插入空腔并且通过静电力弹性变形,设置在基板上的开关驱动电极和设置在隔膜上的开关驱动电极。 此外,电荷累积电极设置在开关驱动电极和开关驱动电极之间的隔膜上。 当在电荷累积电极中积累电荷时,在电荷累积电极和开关驱动电极之间产生静电力,从而使隔膜变形。 因此,可以实现其结构简单,其保持状态长时间稳定并且可以容易地与半导体集成电路一起安装的小尺寸双稳态MEMS开关。
    • 37. 发明授权
    • Semiconductor device and method for manufacturing thereof
    • 半导体装置及其制造方法
    • US06982468B2
    • 2006-01-03
    • US10942014
    • 2004-09-16
    • Shimpei TsujikawaToshiyuki MineJiro YugamiNatsuki YokoyamaTsuyoshi Yamauchi
    • Shimpei TsujikawaToshiyuki MineJiro YugamiNatsuki YokoyamaTsuyoshi Yamauchi
    • H01L29/76
    • H01L21/823857H01L21/823462
    • A semiconductor device and a method for manufacturing the same of forming a silicon nitride film selectively without giving damages or contaminations to a surface of the silicon substrate thereby forming different types of gate dielectrics in one identical silicon substrate, are obtained by forming a silicon dioxide on the surface of a silicon substrate, then removing a portion thereof, forming a silicon nitride film to the surface of the substrate from which the silicon dioxide has been removed and, simultaneously, introducing nitrogen to the surface of the silicon dioxide which is left not being removed or, alternatively, depositing a silicon dioxide on the surface of the silicon substrate by chemical vapor deposition, then removing a portion thereof, forming a silicon nitride film on the surface of a substrate from which the silicon dioxide has been removed, and, simultaneously, introducing nitrogen to the surface of the silicon dioxide left not being removed, successively, dissolving and removing nitrogen-introduced silicon oxide film to expose the surface of the substrate and oxidizing the exposed surface of the silicon substrate and the silicon nitride film
    • 一种半导体器件及其制造方法,其选择性地形成氮化硅膜,而不会对硅衬底的表面造成损害或污染,从而在一个相同的硅衬底中形成不同类型的栅极电介质,通过在二氧化硅上形成二氧化硅 硅衬底的表面,然后去除其一部分,在已经除去二氧化硅的衬底的表面上形成氮化硅膜,同时将氮引入二氧化硅的不是 去除或者通过化学气相沉积在硅衬底的表面上沉积二氧化硅,然后去除其一部分,在去除二氧化硅的衬底的表面上形成氮化硅膜,同时 将氮气引入未被除去的二氧化硅的表面,依次溶解 并且去除引入氮的氧化硅膜以暴露衬底的表面并氧化硅衬底和氮化硅膜的暴露表面
    • 40. 发明申请
    • Ultrasonic transducer and ultrasonic diagnostic device using same
    • 超声波换能器和超声波诊断装置使用相同
    • US20120316445A1
    • 2012-12-13
    • US13577816
    • 2011-01-25
    • Shuntaro MachidaTaiichi TakezakiToshiyuki Mine
    • Shuntaro MachidaTaiichi TakezakiToshiyuki Mine
    • H02N1/08A61B8/00
    • B06B1/0292A61B8/00
    • In an ultrasonic transducer comprising a first electrode, a first insulating film disposed on the first electrode, a hollow part provided above the first insulating film and disposed between surfaces above and below the hollow part, a second insulating film disposed above the hollow part, and a second electrode disposed on the second insulating film, a first conductive film disposed on the side of the surface below the hollow part and a second conductive film disposed on the side of the surface above the hollow part are provided, the first conductive film and the second conductive film are disposed so that they overlap with a region in which the surfaces above and below the hollow part contact with each other as seen from above when the transducer is driven, and they do not overlap with each other in the region as seen from above. With such a configuration, there are provided a structure suitable for, even when the surface above the hollow part contacts with the surface below the hollow part, suppressing concentration of electric fields and electric currents in the insulating films in the contact region, and suppressing injection of electrical charge into the insulating films and degradation of dielectric strength thereof, and an ultrasonic diagnostic device using it.
    • 在包括第一电极的超声换能器中,设置在第一电极上的第一绝缘膜,设置在第一绝缘膜之上并设置在中空部分之上和之下的表面之间的中空部分,设置在中空部分上方的第二绝缘膜,以及 设置在第二绝缘膜上的第二电极,设置在中空部分下方的表面侧的第一导电膜和设置在中空部分上方表面侧的第二导电膜,第一导电膜和 第二导电膜被设置为使得它们与中空部分的上表面和下表面之间的表面彼此重叠的区域与传感器被驱动时从上方观察到,并且它们在区域中彼此不重叠,如从 以上。 通过这样的结构,即使当中空部件上方的表面与中空部件下方的表面接触时,也能够抑制接触区域中的绝缘膜中的电场和电流的集中,并抑制注入 的绝缘膜中的电荷和介电强度的降低,以及使用它的超声波诊断装置。