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    • 4. 发明申请
    • FOCUSED ION BEAM APPARATUS
    • 聚焦离子束设备
    • US20100219339A1
    • 2010-09-02
    • US12712863
    • 2010-02-25
    • Takashi OgawaKenichi NishinakaYoshihiro Koyama
    • Takashi OgawaKenichi NishinakaYoshihiro Koyama
    • G01N23/225H01J3/14
    • H01J37/08H01J37/28H01J2237/0807H01J2237/31749
    • The crystal structure of the emitter can be accurately grasped from a FIM image without being influenced by disturbances, such as contamination, and even if the rearrangement of atoms has been performed, whether or not the crystal structure of the emitter has returned to the original state can also be accurately determined. There is a provided a focused ion beam apparatus including an emitter 10, a gas source 11 which supplies gas G2, a cooling unit 12 which cools the emitter, a heating unit 13 which heats the tip of the emitter, an extraction power source unit 15 which applies an extraction voltage to ionize the gas into gas ions at the tip of the emitter, and then extract the gas ions, a beam optical system 16 which makes the extracted gas ions into a focused ion beam (FIB), and then radiates the focused ion beam onto a sample S, an image acquiring mechanism 17 which acquires a FIM image of the tip of the emitter, and a control unit 7 having a display unit and a storage unit 7b. A guide which displays an ideal crystal structure of the tip of the emitter is stored in advance in the storage unit. The control unit is enabled to display the guide in the state of overlapping the acquired FIM image on the display unit.
    • 可以从FIM图像中精确地掌握发射体的晶体结构,而不受诸如污染等干扰的影响,即使原子的重排已经被执行,发射体的晶体结构是否已经恢复到初始状态 也可以准确确定。 提供了一种聚焦离子束装置,其包括发射极10,供应气体G2的气体源11,冷却发射极的冷却单元12,加热发射极顶端的加热单元13,提取电源单元15 其施加提取电压以将气体离子化为发射体顶端的气体离子,然后提取气体离子,使得提取的气体离子成为聚焦离子束(FIB)的束光学系统16,然后辐射 聚焦离子束到样本S上,获取发射器的尖端的FIM图像的图像获取机构17以及具有显示单元和存储单元7b的控制单元7。 将显示发射器顶端的理想晶体结构的引导件预先存储在存储单元中。 控制单元能够在显示单元上与获取的FIM图像重叠的状态下显示引导件。
    • 10. 发明授权
    • Focused ion beam apparatus
    • 聚焦离子束装置
    • US08822945B2
    • 2014-09-02
    • US13065698
    • 2011-03-28
    • Kenichi NishinakaTakashi OgawaYoshihiro Koyama
    • Kenichi NishinakaTakashi OgawaYoshihiro Koyama
    • G01N23/225H01J49/42H01J3/26
    • H01J37/08H01J37/265H01J2237/006H01J2237/0807H01J2237/0827
    • A focused ion beam apparatus includes a gas field ion gun unit having an emitter, an ion source gas supply unit for supplying different ion source gases to the emitter, a heater for heating the emitter, and an extraction electrode. A storage section stores, for each gas of a plurality of different types, set values of emitter temperature, gas pressure, extraction voltage to be applied to an extraction electrode, image contrast and image brightness. An input section selects and inputs one of the gas types. A control section reads, from the storage section, the set values of emitter temperature, gas pressure, extraction voltage, image contrast and image brightness, which correspond to the input gas type, and sets a heater, a gas control section, a voltage control section, and an adjustment section for the contrast and brightness of the image.
    • 聚焦离子束装置包括具有发射极的气体场离子枪单元,用于向发射极供给不同离子源气体的离子源气体供给单元,用于加热发射极的加热器和提取电极。 对于多种不同类型的每种气体,存储部分存储要施加到提取电极的发射体温度,气体压力,提取电压的设定值,图像对比度和图像亮度。 输入部分选择并输入气体类型之一。 控制部从存储部读取与输入气体类型相对应的发射极温度,气体压力,提取电压,图像对比度和图像亮度的设定值,并且设定加热器,气体控制部,电压控制 部分和用于图像的对比度和亮度的调整部分。