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    • 4. 发明授权
    • Method and apparatus for dynamic observation of specimen
    • 试样动态观察方法及装置
    • US5698798A
    • 1997-12-16
    • US411316
    • 1995-03-28
    • Makiko KohnoShigeyuki HosokiTsuyoshi HasegawaYusuke YajimaToshio Katsuyama
    • Makiko KohnoShigeyuki HosokiTsuyoshi HasegawaYusuke YajimaToshio Katsuyama
    • G01D21/00G01N23/00G01N25/00G01N33/00G01Q80/00
    • G01Q60/12B82Y35/00Y10S977/852
    • In a measuring method and a measuring apparatus which are suited for observing a dynamic physical phenomenon particularly in a microdevice, a signal for generating a physical phenomenon in a specimen is inputted to the specimen, and a signal which is caused by this dynamic physical phenomenon is detected by a probe which is close to or in contact with the specimen surface in correspondence with a signal input to the specimen on the basis of the specific time. The measuring apparatus has a scanning probe microscope with a probe (tip) which is close to or in contact with the specimen surface, a pulse voltage application control unit for applying respective pulse voltages to the specimen and probe, and a signal measuring unit for measuring a signal from the specimen detected by the probe. The measuring apparatus causes a dynamic physical phenomenon in the specimen by applying the pulse voltage to the specimen, applies a bias voltage between the probe and specimen by applying the pulse voltage to the probe, and detects the signal caused by the dynamic physical phenomenon in the specimen. Pulse voltage application to the probe is executed by the pulse voltage application control unit in correspondence with pulse voltage application to the specimen on the basis of the specific time. A dynamic physical phenomenon in a microarea of a specimen which is caused by the particle property or wave property of electrons can thus be observed.
    • 在适于观察动态物理现象的测量方法和测量装置中,特别是在微型装置中,用于产生样本中的物理现象的信号被输入到样本,并且由该动态物理现象引起的信号是 通过与基于特定时间输入到样本的信号相对应的与探针接近或接触的探针来检测。 测量装置具有扫描探针显微镜,其具有与试样表面接近或接触的探针(尖端),用于向样本和探针施加相应脉冲电压的脉冲电压施加控制单元,以及用于测量 由探针检测到的样本的信号。 测量装置通过向样本施加脉冲电压来引起样品中的动态物理现象,通过向探针施加脉冲电压在探针和样品之间施加偏置电压,并且检测由于动态物理现象引起的信号 标本。 脉冲电压施加到探针由脉冲电压施加控制单元根据具体时间对标本施加脉冲电压进行。 因此可以观察到由电子的粒子特性或波特性引起的样品的微区域中的动态物理现象。
    • 5. 发明授权
    • Magnetic electron lens and elctron microscope using the same
    • 磁性电子透镜和电子显微镜使用相同
    • US5393983A
    • 1995-02-28
    • US50044
    • 1993-04-28
    • Shigeyuki Hosoki
    • Shigeyuki Hosoki
    • G01Q30/10G01Q30/18H01J37/141
    • H01J37/1416H01J2237/26
    • A magnetic electron lens for use in charged particle beam-applied apparatuses such as electron microscopes, the lens having concave lens characteristics in a geometric-optical sense. The magnetic concave lens of the invention comprises a first and a second magnetic field generating coil arranged in the propagating direction of the charged particle beam, and a first and a second magnetic shielding plate made of a superconductor each and furnished so as to enclose the first and the second magnetic field generating coils. The first magnetic shielding plate shields the magnetic field generated above the first magnetic field generating coil, and the second magnetic shielding plate shields the magnetic field generated under the second magnetic field generating coil. This setup constitutes a magnetic electron lens that is concave in terms of geometric-optical lens characteristics.
    • PCT No.PCT / JP92 / 01076 Sec。 371日期:1993年4月28日 102(e)日期1993年4月28日PCT提交1992年8月26日PCT公布。 出版物WO93 / 05529 日期:1993年3月18日。一种用于带电粒子束施加装置如电子显微镜的磁性电子透镜,具有几何光学意义上的凹透镜特性的透镜。 本发明的磁凹透镜包括沿着带电粒子束的传播方向布置的第一和第二磁场产生线圈,以及由超导体制成的第一和第二磁屏蔽板,并且被设置为包围第一 和第二磁场产生线圈。 第一磁屏蔽板屏蔽在第一磁场产生线圈之上产生的磁场,并且第二磁屏蔽板屏蔽在第二磁场产生线圈下产生的磁场。 该装置构成了几何光学透镜特性为凹面的磁性电子透镜。
    • 7. 发明授权
    • Cathode for an electron source and a method of producing the same
    • 电子源用阴极及其制造方法
    • US4193013A
    • 1980-03-11
    • US897406
    • 1978-04-18
    • Masaaki FutamotoUshio KawabeShigeyuki HosokiTsutomu KomodaShigehiko Yamamoto
    • Masaaki FutamotoUshio KawabeShigeyuki HosokiTsutomu KomodaShigehiko Yamamoto
    • B44F1/12H01J1/15H01J1/304H01J9/02H01J9/04H01J9/18
    • H01J1/15H01J1/304
    • A cathode for an electron source according to this invention comprises an emitter tip made of an electron emissive material, a filament for holding the emitter tip, and a binder for binding the emitter tip and the filament, the filament and the binder being made of glassy carbon. The binder can have a carbide or boride powder incorporated therein. The cathode according to this invention can be produced by using a thermosetting resin of predetermined shape as the starting material of the filament, fixing the emitter tip to a predetermined position of the thermosetting resin with the adhesive agent made of the raw thermosetting resin, and heating the resultant assembly in a non-oxidizing atmosphere to carbonize the resinous portions. This cathode is structurally very simple. Moreover, the adhesion between the filament and the emitter tip is excellent, and the emitter tip can be heated to high temperatures above 2,000.degree. C. by causing current to flow through the cathode.
    • 根据本发明的用于电子源的阴极包括由电子发射材料制成的发射极尖端,用于保持发射极尖端的灯丝和用于结合发射极尖端和灯丝的粘合剂,灯丝和粘合剂由玻璃状 碳。 粘合剂可以具有并入其中的碳化物或硼化物粉末。 根据本发明的阴极可以通过使用预定形状的热固性树脂作为丝的起始材料,使用由原始热固性树脂制成的粘合剂将发射极尖端固定到热固性树脂的预定位置,并加热 所得组合物在非氧化气氛中以使树脂部分碳化。 该阴极在结构上非常简单。 此外,灯丝和发射极尖端之间的粘附性优异,并且通过使电流流过阴极,可以将发射极尖端加热到高于2000℃的高温。