ION GENERATION DEVICE AND ION DETECTION DEVICE

    公开(公告)号:US20170133190A1

    公开(公告)日:2017-05-11

    申请号:US15348034

    申请日:2016-11-10

    Inventor: Katsuya UJIMOTO

    CPC classification number: H01J27/26 H01J1/13 H01J1/15 H01J49/12

    Abstract: An ion generation device is provided, which includes: a heater; a counter electrode arranged on one side of the heater; at least one electric member arranged between the heater and the counter electrode, the electric member being made of a pyroelectric element or a piezoelectric element; an electrode arranged between the heater and the electric member to be in contact with the electric member; and a temperature control circuit to control a temperature of the heater. An ion detection device is provided, which includes the above-described ion generation device, an ion filter to sort ions generated at the ion generation device, and a detector to detect the ions sorted in the ion filter.

    Thermal electron emitter and thermal electron emission device using the same
    4.
    发明授权
    Thermal electron emitter and thermal electron emission device using the same 有权
    热电子发射体和使用其的热电子发射装置

    公开(公告)号:US08084927B2

    公开(公告)日:2011-12-27

    申请号:US12381620

    申请日:2009-03-12

    CPC classification number: H01J1/14 H01J1/13

    Abstract: A thermal electron emitter includes at least one carbon nanotube twisted wire and a plurality of electron emission particles mixed with the twisted wire. The carbon nanotube twisted wire comprises a plurality of carbon nanotubes. A work function of the electron emission particles is lower than the work function of the carbon nanotubes. A thermal electron emission device using the thermal electron emitter is also related.

    Abstract translation: 热电子发射体包括至少一个碳纳米管扭曲线和与绞合线混合的多个电子发射粒子。 碳纳米管绞线包括多个碳纳米管。 电子发射粒子的功函数低于碳纳米管的功函数。 使用热电子发射体的热电子发射装置也是相关的。

    Power supply unit, high-frequency circuit system and heater voltage control method
    5.
    发明授权
    Power supply unit, high-frequency circuit system and heater voltage control method 有权
    电源单元,高频电路系统和加热器电压控制方式

    公开(公告)号:US07800311B2

    公开(公告)日:2010-09-21

    申请号:US12050609

    申请日:2008-03-18

    CPC classification number: H01J19/16 H01J1/13 H01J23/04 H01J25/34 H03B9/08

    Abstract: At the time of restoration of the power supply after a power failure, a voltage higher than that in the normal operation mode is supplied to a heater. After a lapse of a predetermined time, the voltage to be supplied to the heater is switched into the voltage in the normal operation mode while a control signal for stating the operation of an electron tube is output. Alternatively, at the time of power activation, the rate of change of current flowing through a heater is determined for every period of time. When the rate of change becomes equal to or lower than a predetermined threshold, a voltage higher than that in the normal operation mode is supplied to the heater, and after a lapse of a predetermined time, the voltage to be supplied to the heater is switched into the voltage in the normal operation mode while a control signal for stating the operation of the electron tube is output.

    Abstract translation: 在停电后恢复供电时,向加热器供给高于正常运行模式的电压。 在经过预定时间之后,在输出用于说明电子管的操作的控制信号的同时,将要供给加热器的电压切换到正常工作模式的电压。 或者,在动力激活时,每一段时间确定流过加热器的电流的变化率。 当变化率变得等于或低于预定阈值时,比加热器提供高于正常操作模式的电压,并且在经过预定时间之后,切换到加热器的电压被切换 输出用于表示电子管的操作的控制信号的正常操作模式中的电压。

    THERMIONIC ELECTRON EMITTER, METHOD FOR PREPARING SAME AND X-RAY SOURCE INCLUDING SAME
    6.
    发明申请
    THERMIONIC ELECTRON EMITTER, METHOD FOR PREPARING SAME AND X-RAY SOURCE INCLUDING SAME 有权
    THERMIONIC电子发射器,其制备方法和包括它们的X射线源

    公开(公告)号:US20100207508A1

    公开(公告)日:2010-08-19

    申请号:US12670133

    申请日:2008-07-18

    CPC classification number: H01J35/06 H01J1/13 H01J1/14 H01J9/04 H01J9/042

    Abstract: A thermionic electron emitter (1) is proposed comprising an emitter part (2) with a substantially flat electron emission surface (3) and a bordering surface (5) adjacent thereto. In order to better absorb main stress loads (L) induced by external forces, the emitter part is provided with an anisotropic polycrystalline material having a crystal grain structure of elongated interlocked grains the longitudinal direction (G) of which is oriented substantially perpendicular to the direction (L) of the main stress loads occurring under normal operating conditions.

    Abstract translation: 提出了一种热离子电子发射体(1),其包括具有基本上平坦的电子发射表面(3)的发射极部分(2)和与其相邻的边界表面(5)。 为了更好地吸收由外力引起的主应力负荷(L),发射器部分设置有具有细长互锁晶粒的晶粒结构的各向异性多晶材料,其纵向方向(G)基本上垂直于方向 (L)在正常工作条件下发生的主应力负荷。

    POWER SUPPLY UNIT, HIGH-FREQUENCY CIRCUIT SYSTEM AND HEATER VOLTAGE CONTROL METHOD
    7.
    发明申请
    POWER SUPPLY UNIT, HIGH-FREQUENCY CIRCUIT SYSTEM AND HEATER VOLTAGE CONTROL METHOD 有权
    电源单元,高频电路系统和加热器电压控制方法

    公开(公告)号:US20080231197A1

    公开(公告)日:2008-09-25

    申请号:US12050609

    申请日:2008-03-18

    CPC classification number: H01J19/16 H01J1/13 H01J23/04 H01J25/34 H03B9/08

    Abstract: At the time of restoration of the power supply after a power failure, a voltage higher than that in the normal operation mode is supplied to a heater. After a lapse of a predetermined time, the voltage to be supplied to the heater is switched into the voltage in the normal operation mode while a control signal for stating the operation of an electron tube is output. Alternatively, at the time of power activation, the rate of change of current flowing through a heater is determined for every period of time. When the rate of change becomes equal to or lower than a predetermined threshold, a voltage higher than that in the normal operation mode is supplied to the heater, and after a lapse of a predetermined time, the voltage to be supplied to the heater is switched into the voltage in the normal operation mode while a control signal for stating the operation of the electron tube is output.

    Abstract translation: 在停电后恢复供电时,向加热器供给高于正常运行模式的电压。 在经过预定时间之后,在输出用于说明电子管的操作的控制信号的同时,将要供给加热器的电压切换到正常工作模式的电压。 或者,在动力激活时,每一段时间确定流过加热器的电流的变化率。 当变化率变得等于或低于预定阈值时,比加热器提供高于正常操作模式的电压,并且在经过预定时间之后,切换到加热器的电压被切换 输出用于表示电子管的操作的控制信号的正常操作模式中的电压。

    Thermionic electron emitter based upon the triple-junction effect
    8.
    发明授权
    Thermionic electron emitter based upon the triple-junction effect 失效
    基于三联效应的热电子发射体

    公开(公告)号:US06420822B1

    公开(公告)日:2002-07-16

    申请号:US09354299

    申请日:1999-07-15

    CPC classification number: H01J1/13 H01J1/14 H01J9/04 H01J2201/306

    Abstract: An electron emissive cathode is designed based upon the triple-junction effect. The electron emitting cathode comprises a cathode body having an emitting surface for emitting electrons. A ferroelectric material is impregnated within the cathode body such that the ferroelectric material enhances the emission of electrons from the emitting surface. The cathode body may comprise a tungsten matrix material and the ferroelectric material may comprise a barium titanate, lithium niobate material and/or other known ferroelectrics.

    Abstract translation: 基于三结效应设计电子发射阴极。 电子发射阴极包括具有用于发射电子的发射表面的阴极体。 铁电材料浸渍在阴极体内,使得铁电材料增强了从发射表面发射的电子。 阴极体可以包括钨基质材料,并且铁电材料可以包括钛酸钡,铌酸锂材料和/或其它已知的铁电体。

    Thermionic electron source
    9.
    发明授权
    Thermionic electron source 失效
    THERMIONIC电子源

    公开(公告)号:US5118983A

    公开(公告)日:1992-06-02

    申请号:US495127

    申请日:1990-03-19

    CPC classification number: H01J9/04 H01J1/13

    Abstract: A high temperature low density operating element includes a porous high temperature operating element film formed into a predetermined configuration and disposed on one surface of an insulating member with good heat conductivity, a resistive film with a high melting point and good heat conductivity having a higher density than the high temperature operating element film, formed into a predetermined configuration on a second surface of the insulating member with good heat conductivity, a lead wire connected to the resistive film, an insulating protective film disposed on the insulating member covering the resistive film.

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