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    • 1. 发明授权
    • Plasma generating device with stepped waveguide transition
    • 等离子体发生器件,具有阶梯式波导过渡
    • US4788473A
    • 1988-11-29
    • US63972
    • 1987-06-19
    • Haruhisa MoriMotoo NakanoYoshinobu OnoTakashi IgarashiMasanao Hotta
    • Haruhisa MoriMotoo NakanoYoshinobu OnoTakashi IgarashiMasanao Hotta
    • H01J27/18H01J37/08H01J37/32H01J3/04
    • H01J37/32229H01J27/18H01J37/08
    • A plasma generating device comprises:a rectangular wave guide for transmitting microwaves, wherein the width of the plasma generating device is decreased in the direction of an electrical field of the microwaves; a plasma generating chamber wherein plasma is generated by absorbing, in a gas, microwave energy transmitted by the rectangular wave guide, and a part of the plasma generating chamber has a rectangular cross-section taken along the plane perpendicular to the microwave propagation direction. A magnetic field generating device is provided having the same axial direction as the direction of propagation of the microwaves and applies a magnetic field having an Electron Cyclotron Resonance intensity to the plasma generating chamber. The magnetic field generating device is provided at least one location outside of the direction of the microwave electrical field direction, and a dielectric window is provided between the rectangular wave guide and the plasma generating chamber to realize a vacuum seal of the plasma generating chamber.
    • 一种等离子体产生装置包括:用于传输微波的矩形波导,其中所述等离子体产生装置的宽度在所述微波的电场方向上减小; 等离子体产生室,其中通过在气体中吸收由矩形波导传输的微波能量而产生等离子体,并且等离子体产生室的一部分具有沿着与微波传播方向垂直的平面截取的矩形截面。 提供具有与微波传播方向相同轴向的磁场产生装置,并向等离子体产生室施加具有电子回旋共振强度的磁场。 磁场产生装置设置在微波电场方向外的至少一个位置处,并且在矩形波导和等离子体发生室之间设置介质窗,以实现等离子体发生室的真空密封。
    • 3. 发明授权
    • Disk exchangeable target mechanism with effective cooling means, for ion
implantation system
    • 具有有效冷却手段的磁盘可更换目标机构,用于离子注入系统
    • US4806769A
    • 1989-02-21
    • US51397
    • 1987-05-19
    • Haruhisa MoriMotoo Nakano
    • Haruhisa MoriMotoo Nakano
    • H01L21/265H01J37/317G21K5/08
    • H01J37/3171
    • An improved disk exchangeable target mechanism for an ion implantation system includes an effective cooling means for preventing thermal damage to a resist and for improving an implantation quality of semiconductor wafers. The target mechanism includes a metal disk on which a semiconductor wafer(s) to be ion-implanted are mounted on a first face thereof, a support including a metal base having the target disk mounted thereon, and a shaft incorporated with the base, and a medium, provided between a second face of the target disk opposite to the first face and the base, for thermally contact therebetween. Preferably, the base of the support is provided with a cavity and the shaft is provided with holes communicating with the cavity, whereby a cooling medium is inserted into the cavity through one hole and is drained from the cavity through another hole. Furthermore, preferably, the target disk is provided with a thermal transportation unit, such as heat pipes, for transporting thermal energy from a portion(s) at which a high temperature is caused by ion implantation energy, to another portion(s) at which the temperature is low.
    • 用于离子注入系统的改进的盘可更换靶机构包括有效的冷却装置,用于防止对抗蚀剂的热损伤并改善半导体晶片的植入质量。 目标机构包括在其第一面上安装有被离子注入的半导体晶片的金属盘,包括安装有目标盘的金属基座的支撑体和与基座结合的轴,以及 介质,设置在与第一面相对的目标盘的第二面与基座之间,用于与它们之间的热接触。 优选地,支撑件的基部设置有空腔,并且轴设置有与空腔连通的孔,由此冷却介质通过一个孔插入空腔中,并且通过另一个孔从空腔排出。 此外,优选地,目标盘设置有热传递单元,例如热管,用于将热能从由离子注入能量引起高温的部分传送到另一部分,其中 温度低。
    • 6. 发明授权
    • Semiconductor device
    • 半导体器件
    • US5670885A
    • 1997-09-23
    • US475504
    • 1995-06-07
    • Takashi IwaiMotoo Nakano
    • Takashi IwaiMotoo Nakano
    • H01L27/02G01R27/00
    • H01L27/0248
    • A semiconductor device has a first-conduction-type semiconductor substrate (19), an internal circuit including a vertical bipolar transistor (18) formed in a second-conduction-type semiconductor layer (20), and a protective element (14). The protective element comprises a first-conduction-type diffusion layer (22a) formed at an upper part of a second-conduction-type semiconductor layer (20a) disposed on the semiconductor substrate (19), and a second-conduction-type diffusion layer (27, 30) formed in the first-conduction-type diffusion layer (22a). The diffusion layer (27, 30) is at least partly deeper than an emitter diffusion layer (23) of the vertical bipolar transistor (18).
    • 半导体器件具有第一导电型半导体衬底(19),包括形成在第二导电型半导体层(20)中的垂直双极晶体管(18)的内部电路和保护元件(14)。 保护元件包括形成在设置在半导体衬底(19)上的第二导电型半导体层(20a)的上部的第一导电型扩散层(22a)和第二导电型扩散层 (27,30)形成在第一导电型扩散层(22a)中。 扩散层(27,30)至少部分地比垂直双极晶体管(18)的发射极扩散层(23)更深。
    • 8. 发明授权
    • Method of producing dynamic random-access memory cells
    • 生成动态随机存取存储单元的方法
    • US4350536A
    • 1982-09-21
    • US180947
    • 1980-08-25
    • Motoo NakanoTsutomu Ogawa
    • Motoo NakanoTsutomu Ogawa
    • H01L27/10H01L21/822H01L21/8242H01L27/04H01L27/108H01L29/78H01L21/02H01L21/18H01L21/22H01L21/265
    • H01L27/1085H01L27/10805
    • The invention is concerned with an improved method of producing a one-transistor cell for a dynamic RAM having a capacitor plate, a transfer gate and a shallow n.sup.+ -type region and a deeper p.sup.+ -type region for a junction capacitance. After formation of a thin oxide layer of a dielectric for an MOS capacitance, a patterned photo resist layer is formed. Using the photo resist layer as a mask, n-type impurities are doped into a semiconductor substrate. The capacitor plate and a masking layer are deposited on the photo resist layer and the thin oxide layer. P-type impurities are doped into the capacitor plate. Then, portions of the capacitor plate and masking layer on the photo resist layer are removed by removing the photo resist layer. An end portion of the capacitor plate is removed from under an edge of the remaining masking layer by etching. The p-type impurities are diffused into the silicon substrate by heating to form the deeper p.sup.+ -type region which does not extend beyond the n.sup.+ -type region.
    • 本发明涉及一种用于动态RAM的单晶体管单元的改进方法,其具有用于结电容的电容器板,传输栅极和浅n +型区域和较深p +型区域。 在形成用于MOS电容的电介质的薄氧化物层之后,形成图案化的光致抗蚀剂层。 使用光致抗蚀剂层作为掩模,将n型杂质掺杂到半导体衬底中。 电容器板和掩模层沉积在光致抗蚀剂层和薄氧化物层上。 P型杂质被掺杂到电容器板中。 然后,通过除去光致抗蚀剂层来除去光致抗蚀剂层上的电容器板和掩模层的部分。 电容器板的端部通过蚀刻从剩下的掩模层的边缘下方去除。 p型杂质通过加热扩散到硅衬底中以形成不延伸超过n +型区域的较深p +型区域。
    • 9. 发明授权
    • Method of manufacturing a non-volatile memory
    • 制造非易失性存储器的方法
    • US4727043A
    • 1988-02-23
    • US792238
    • 1985-10-29
    • Takashi MatsumotoMotoo Nakano
    • Takashi MatsumotoMotoo Nakano
    • H01L21/8247H01L21/265H01L29/788H01L29/792H01L21/283
    • H01L21/2652H01L29/7883
    • An improved electrically alterable read-only memory (EAROM) is offered by the method of the invention, the memory device comprising a floating gate type field effect transistor in which a part of the floating gate and a part of the drain region formed in a silicon substrate overlap. According to the method, impurity atoms are ion implanted into a part of a region where the drain region is to be formed through an insulation layer of silicon dioxide on the region. Thereafter, the insulation layer through which ion implantation was carried out is removed and a fresh insulation layer of silicon dioxide is formed where the old insulation layer was removed. By this method, a good, thin insulation film is fabricated. By virtue of the fresh insulation layer devoid of trap centers which trap electric charges, the insulation layer is free from defects that interrupt flow of electrons required for writing or erasing of information.
    • 通过本发明的方法提供改进的可电性可变的只读存储器(EAROM),该存储器件包括浮置栅型场效应晶体管,其中浮置栅极的一部分和漏极区的一部分形成于硅 衬底重叠。 根据该方法,通过该区域上的二氧化硅的绝缘层将杂质原子离子注入到要形成漏极区域的部分的一部分中。 此后,去除进行离子注入的绝缘层,并且在旧绝缘层被去除的地方形成新的绝缘层二氧化硅。 通过这种方法,制造出良好的薄绝缘膜。 由于没有陷阱电荷的陷阱中心的新鲜绝缘层,绝缘层没有中断写入或擦除信息所需的电子流的缺陷。