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    • 61. 发明申请
    • Vacuum Tube And Vacuum Tube Manufacturing Apparatus And Method
    • 真空管及真空管制造装置及方法
    • US20070210715A1
    • 2007-09-13
    • US10594896
    • 2005-03-31
    • Tadahiro OhmiAkihiro Morimoto
    • Tadahiro OhmiAkihiro Morimoto
    • H01J7/02H01J9/38H01J9/46
    • H01J9/395H01J7/02H01J9/38H01J9/385H01J17/20H01J21/00H01J37/18H01J61/20H01J61/24
    • With respect to a vacuum tube having a reduced pressure vessel containing an electric discharge gas sealed therein, problems such as the lowering of discharge efficiency owing to an organic material, moisture or oxygen remaining in the reduced pressure vessel have taken place conventionally. It has been now found that the selection of the number of water molecules, the number of molecules of an organic gas and the number of oxygen molecules remaining in the reduced pressure vessel, in a relation with the number of molecules of a gas contributing the electric discharge allows the reduction of the adverse effect by the above-mentioned remaining gas. Specifically, the selection of the number of molecules of the above electric discharge gas being about ten times that of the above-mentioned remaining gas or more can reduce the adverse effect by the above-mentioned remaining gas.
    • 对于具有密封在其中的放电气体的减压容器的真空管,常规地发生诸如由于有机材料引起的排出效率降低,残留在减压容器中的水分或氧气的问题。 现在已经发现,选择水分子的数量,有机气体的分子数和残留在减压容器中的氧分子的数量与导致电气的气体的分子数的关系 放电允许通过上述剩余气体减少不利影响。 具体而言,选择上述放电气体的分子数为上述剩余气体的10倍以上的分子数量,可以减少上述剩余气体的不利影响。
    • 62. 发明授权
    • Device having a silicon oxide film containing krypton
    • 装置具有含有氪的氧化硅膜
    • US07268404B2
    • 2007-09-11
    • US10700466
    • 2003-11-05
    • Tadahiro Ohmi
    • Tadahiro Ohmi
    • H01L29/76H01L29/94H01L31/062H01L31/113H01L31/119
    • H01L27/1214H01L21/28194H01L21/28211H01L21/28238H01L29/4908H01L29/518H01L2924/0002H01L2924/00
    • A silicon oxide film (1701) serving as a gate insulating film of a semiconductor device contains Kr. Therefore, the stress in the silicon oxide film (1701) and the stress at the interface between silicon and the silicon oxide film are relaxed, and the silicon oxide film has a high quality even though it was formed at a low temperature. The uniformity of thickness of the silicon oxide film (1701) on the silicon of the side wall of a groove (recess) in the element isolating region is 30% or less. Consequently, the silicon oxide film (1701) has its characteristics and reliability superior to those of a silicon thermal oxide film, and the element isolating region can be made small, thereby realizing a high-performance transistor integrated circuit preferably adaptable to an SOI transistor and a TFT.
    • 用作半导体器件的栅极绝缘膜的氧化硅膜(1701)包含Kr。 因此,氧化硅膜(1701)中的应力和硅与氧化硅膜之间的界面处的应力被松弛,并且氧化硅膜即使在低温下形成也具有高质量。 元件隔离区域的槽(凹部)的侧壁的硅上的氧化硅膜(1701)的厚度的均匀度为30%以下。 因此,氧化硅膜(1701)的特性和可靠性优于硅热氧化膜,可以使元件隔离区域变小,从而实现优选适于SOI晶体管的高性能晶体管集成电路, 一个TFT。
    • 64. 发明申请
    • Low noise amplifier
    • 低噪声放大器
    • US20070105523A1
    • 2007-05-10
    • US10560703
    • 2004-06-11
    • Takefumi NishimutaHiroshi MiyagiTadahiro OhmiShigetoshi SugawaAkinobu Teramoto
    • Takefumi NishimutaHiroshi MiyagiTadahiro OhmiShigetoshi SugawaAkinobu Teramoto
    • H04B1/10H04B1/28H04B1/16
    • H01L21/82385H01L21/823807H01L27/092H01L29/785H03F1/26H03F2200/372H03G1/0029H03G1/007
    • A low noise amplifier is assumed to comprise an MIS transistor and to amplify an input signal keeping noise at a low level, and the MIS transistor comprises a semiconductor substrate for comprising a first crystal plane as a principal plane, a semiconductor structure, formed as a part of the semiconductor substrate, for comprising a pair of sidewall planes defined by the second crystal plane different from the first crystal plane and a top plane defined by the third crystal plane different from the second crystal plane, a gate insulator of uniform thickness covering the principal plane, the sidewall planes and the top plane, a gate electrode for continuously covering the principal plane, the sidewall planes and the top plane on top of the gate insulator, and a single conductivity type diffusion area formed in the region to either side of the gate electrode in the semiconductor substrate and the semiconductor structure and continuously extending along the principal plane, the sidewall planes and the top plane. Such a configuration allows significant reduction of the 1/f noise and the signal distortion applied to an output signal by the low noise amplifier and therefore a circuit for compensating for the reduction of the amplitude is no longer of necessity, allowing reduction in size.
    • 假设低噪声放大器包括MIS晶体管并且将保持噪声保持在低电平的输入信号放大,并且MIS晶体管包括用于包括第一晶面作为主平面的半导体衬底,形成为 所述半导体衬底的一部分包括由不同于所述第一晶体面的所述第二晶体面限定的一对侧壁平面和由与所述第二晶体面不同的所述第三晶体面限定的顶面,覆盖所述半导体衬底的均匀厚度的栅极绝缘体 主平面,侧壁平面和顶面,用于连续覆盖主平面,侧壁平面和栅极绝缘体顶部的顶面的栅极,以及在该区域中形成的单一导电型扩散区域 半导体衬底中的栅电极和半导体结构,并且沿着主平面连续延伸,侧壁p 车道和顶层飞机。 这样的配置允许显着降低由低噪声放大器施加到输出信号的1 / f噪声和信号失真,因此不再需要用于补偿幅度减小的电路,从而允许尺寸减小。