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    MAGNETRON AND DEVICE USING MICROWAVES
    113.
    发明公开
    MAGNETRON AND DEVICE USING MICROWAVES 审中-公开
    MAGNETRON UND VORRICHTUNG MIT MIKROWELLEN

    公开(公告)号：EP2363874A1

    公开(公告)日：2011-09-07

    申请号：EP09828815.2

    申请日：2009-11-20

    Applicant: Panasonic Corporation

    Inventor： SAITOU, Etsuo ,  KUWAHARA, Nagisa ,  HANDA, Takanori ,  ISHII, Takeshi

    IPC: H01J23/20 ,  H01J23/04

    CPC classification number: H01J25/587 ,  H01J23/05 ,  H01J23/20 ,  H01J23/213

    Abstract: To provide a magnetron capable of suppressing generation of a reactive current and noise thereby improving oscillation efficiency, and a device using microwaves which includes the magnetron. A magnetron of the present invention includes: an anode cylinder including a plurality of anode vanes provided at a predetermined interval on an inner peripheral surface thereof; a center lead including a first linear portion, a second linear portion which is disposed parallel to the first linear portion and which is disposed out of alignment with the first linear portion in a plane perpendicular to an axial direction of the anode cylinder, and a bent portion which connects the first linear portion to the second linear portion; and a cathode filament which is supported by the center lead within the anode cylinder and which is placed coaxially with the anode cylinder. The center lead is formed so as to become bent between the first linear portion and the second linear portion by the bent portion. A position of one anode vane closest to the bent portion is higher than a position of another anode vane with respect to the axial direction of the anode cylinder.

    Abstract translation: 为了提供能够抑制无功电流的产生和噪声从而提高振荡效率的磁控管，以及使用包括磁控管的微波的装置。 本发明的磁控管包括：阳极筒，其包括在其内周面上以预定间隔设置的多个阳极叶片; 中心引线，包括第一直线部分，平行于第一线性部分设置的第二直线部分，并且在垂直于阳极筒的轴向的平面中与第一直线部分配置成不对齐，并且弯曲 将第一直线部分连接到第二直线部分的部分; 以及由阳极筒内的中心引线支撑并与阳极筒同轴放置的阴极灯丝。 中心引线通过弯曲部形成为在第一直线部和第二直线部之间弯曲。 最靠近弯曲部分的一个阳极叶片的位置高于另一个阳极叶片相对于阳极筒轴向的位置。

    Magnetron
    116.
    发明公开
    Magnetron 有权
    磁控

    公开(公告)号：EP1840933A3

    公开(公告)日：2009-02-25

    申请号：EP07104880.5

    申请日：2007-03-26

    Applicant: Panasonic Corporation

    Inventor： Kuwahara, Nagisa, Matsushita Electric Industrial Co., Ltd. ,  Aiga, Masayuki, Matsushita Electric Industrial Co., Ltd. ,  Ishii, Takeshi, Matsushita Electric Industrial Co., Ltd.

    IPC: H01J25/50 ,  H01J23/05

    CPC classification number: H01J25/50 ,  H01J23/05

    Abstract: To provide a magnetron capable of reducing noises in a low frequency band of 30 MHz or less without deteriorating the stability of a load depending on phases, and also ensuring the precision of assembly dimensions without increasing the number of components, a coiled filament 3 is arranged between an input-side end hat 61 and an output-side end hat 7 which are supported by a cathode supporting rod 8. A larger-diameter boss 61 a in the end hat 61 extends to the interior of an interaction space, a smaller-diameter boss 61 b and one end 3a of the filament 3 are secured to each other, and the other end 3b is secured to a boss 7a of the end hat 7. Here, the dimension of an axial free length part F which forms an electron emission part which is not secured to the end hats 61 and 7 of the filament 3 is set to 50% or more and 80% or less of the axial dimension H of plate-like vanes 2, and the electron emission part is arranged so as to be displaced to the output side.

    Abstract translation: 为了提供一种磁控管，该磁控管能够在30MHz或更低的低频带中降低噪声而不降低依赖于相位的负载的稳定性，并且还能够在不增加组件数量的情况下确保组装尺寸的精度，而设置卷绕灯丝3 在由阴极支撑杆8支撑的输入侧端帽61和输出侧端帽7之间。端帽61中的较大直径凸台61a延伸到交互空间的内部， 小直径凸台61b和灯丝3的一端3a彼此固定，另一端3b固定到端帽7的凸台7a上。这里，形成电子的轴向自由长度部分F的尺寸 没有固定在灯丝3的端帽61和7上的发射部分被设置为板状叶片2的轴向尺寸H的50％或更大和80％或更小，并且电子发射部分被设置为 被转移到输出端。

    Magnetron
    117.
    发明公开
    Magnetron 有权
    磁控

    公开(公告)号：EP1933357A1

    公开(公告)日：2008-06-18

    申请号：EP07119172.0

    申请日：2007-10-24

    Applicant: Matsushita Electric Industrial Co., Ltd.

    Inventor： Kuwahara, Nagisa ,  Ishii, Takeshi ,  Aiga, Masayuki

    IPC: H01J23/04 ,  H01J25/50

    CPC classification number: H01J25/587 ,  H01J23/05

    Abstract: In the magnetron, an upper end hat 122A is used as a composing element of a cathode structure member 12A and includes a portion 122Aa which is in contact with one end portion 121 a of a filament coil 121. The thickness of the portion 122Aa is reduced, whereby the portion 122Aa is held not in contact with a center lead 124. Owing to this, heat generated in the filament coil 121 can travel to the upper end hat 122A without traveling directly to the center lead 124. Therefore, even when the quantity of input power is reduced to such a degree as to be able to reduce noise, or even when the electron radiation area of the filament coil 121 is reduced, the getter effect can be displayed fully. As a result of this, noise reduction and cost reduction can be realized at the same time.

    Abstract translation: 在磁控管中，上端帽122A用作阴极结构件12A的组成元件，并且包括与灯丝线圈121的一个端部121a接触的部分122Aa。部分122Aa的厚度减小 由此部分122Aa被保持为不与中心引线124接触。由此，在灯丝线圈121中产生的热量可以行进到上端帽122A而不直接行进到中心引线124.因此，即使当数量 的输入功率降低到能够降低噪声的程度，或者即使当灯丝线圈121的电子辐射面积减小时，可以充分地显示吸气剂效果。 作为其结果，可以同时实现降噪和降低成本。

    M-TYPE MICROWAVE DEVICE
    118.
    发明公开
    M-TYPE MICROWAVE DEVICE 审中-公开
    M-TYPE的微波安排

    公开(公告)号：EP1054430A4

    公开(公告)日：2001-03-28

    申请号：EP99902010

    申请日：1999-01-05

    Applicant: MAKHOV VLADIMIR ILIICH

    Inventor： MAKHOV VLADIMIR ILIICH

    IPC: H01J23/05 ,  H01J25/50

    CPC classification number: H01J23/05 ,  H01J25/50

    Abstract: The present invention relates to M-type microwave devices and is aimed to improve effectiveness of using a working surface of field-electron emitters, to improve their reliability while increasing stability of field emission and service life of the device. These objects are solved in the design of a M-type microwave device, comprising an anode encircling a cylindrical evacuated cavity and a cathode assembly disposed co-axially inside the anode, said cathode assembly comprising a cylindrical rod with its surfaces having elements in the form of planar (film) field-electron emitters and secondary-electron emitters that provide a primary and a secondary electron emission, respectively. In doing so, the normal to planar field-electron emitters is not parallel and makes therewith an angle of more than 0 degrees. An end-face of the field-electron emitter is protected by a tunnel-thin dielectric layer containing impurities of various materials and materials having a low work function.

    Magnetron
    120.
    发明公开
    Magnetron 失效
    磁控管。

    公开(公告)号：EP0276446A2

    公开(公告)日：1988-08-03

    申请号：EP87118552.6

    申请日：1987-12-15

    Applicant: KABUSHIKI KAISHA TOSHIBA

    Inventor： Okamoto, Shingo

    IPC: H01J23/05 ,  H01J1/18

    CPC classification number: H01J23/05

    Abstract: In a magnetron, two rods (23, 25) are supported by a stem (7) in cantilever fashion and a filament (35) (cathode) is connected between two end hats (27, 29) attached to two free ends of the rods (23, 25). Therefore, these two rods (23, 25) are apt to be vibrated by an external force (e.g. an air screwdriver) during assembly or in transit. To suppress relative displacement of the two rods (23, 25) of magnetron due to external force, the natural frequency of the first vibration system composed of a first rod (23) and a first end hat (27) is determined substantially equal to that of the second vibration system composed of a second rod (25) and a second end hat (29).

    Abstract translation: 在磁控管中，两个杆（23,25）以悬臂的方式由杆（7）支撑，并且细丝（35）（阴极）连接在附接到杆的两个自由端的两个端帽（27,29）之间 （23,25）。 因此，这两个杆（23,25）在组装或运输期间易于被外力（例如，气动螺丝刀）振动。 为了抑制由于外力引起的磁控管的两个杆（23,25）的相对位移，确定由第一杆（23）和第一端帽（27）组成的第一振动系统的固有频率基本上等于 由第二杆（25）和第二端帽（29）组成的第二振动系统。

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