公开(公告)号：US06653788B2

公开(公告)日：2003-11-25

申请号：US09977951

申请日：2001-10-17

Applicant: Toshio Ogura ,  Masumi Kuga ,  Tomokatsu Oguro ,  Toru Moriike

Inventor： Toshio Ogura ,  Masumi Kuga ,  Tomokatsu Oguro ,  Toru Moriike

IPC: H01J2550

CPC classification number: H01J37/32201 ,  H01J23/005 ,  H01J23/02 ,  H01J23/20 ,  H01J23/213 ,  H01J23/22 ,  H01J23/48 ,  H01J25/587 ,  H01J2223/05 ,  H01J2223/12 ,  H01J2223/14 ,  H01J2223/15

Abstract: A magnetron has an anode cylinder, a plurality of vanes extending radially inwardly from the anode cylinder, a cathode filament extending along a center axis of the anode cylinder, an output section including an antenna coupled to one of the vanes, and a magnetic circuit section for supplying a magnetic field into the anode cylinder, whereby the magnetron oscillates at a fundamental frequency in a range from 400 MHz to 600 MHz.

公开(公告)号：US5348934A

公开(公告)日：1994-09-20

申请号：US756407

申请日：1991-09-09

Applicant: Beverley A. Shaw

Inventor： Beverley A. Shaw

IPC: H01J1/32 ,  H01J23/04 ,  H01J23/05 ,  H01J19/06 ,  H01J25/42 ,  H01L39/12

CPC classification number: H01J1/32 ,  H01J23/04 ,  H01J2223/05 ,  Y10S505/70

Abstract: A cathode for a secondary emission structure comprised of a superconductive material is described. In one embodiment the cathode comprises a layer of a superconductive material such as yttrium barium cupric oxide, or rare earth substituted neodymium cupric oxides. The layer may be bonded to a metal electrode or preferably the cathode consist of a superconductive or conductive oxide. The use of a superconductive material provides a cathode having suitable secondary emission characteristics and, furthermore, which being conductive at room temperatures, as well as, temperatures of operation of the cathode, obviating the need for a use of a very thin film of a secondary emission material.

Abstract translation: 描述了由超导材料构成的二次发射结构的阴极。 在一个实施例中，阴极包括超导材料层，例如钇钡氧化铜或稀土取代的钕氧化铜。 该层可以结合到金属电极，或者优选地，阴极由超导或导电氧化物组成。 使用超导材料提供具有合适的二次发射特性的阴极，此外，其在室温下导电，以及阴极的操作温度，从而避免使用非常薄的次级的薄膜 排放物质。

公开(公告)号：US20020043937A1

公开(公告)日：2002-04-18

申请号：US09977951

申请日：2001-10-17

Inventor： Toshio Ogura ,  Masumi Kuga ,  Tomokatsu Oguro ,  Toru Moriike

IPC: H01J025/50 ,  H01J023/36

CPC classification number: H01J37/32201 ,  H01J23/005 ,  H01J23/02 ,  H01J23/20 ,  H01J23/213 ,  H01J23/22 ,  H01J23/48 ,  H01J25/587 ,  H01J2223/05 ,  H01J2223/12 ,  H01J2223/14 ,  H01J2223/15

Abstract: A magnetron has an anode cylinder, a plurality of vanes extending radially inwardly from the anode cylinder, a cathode filament extending along a center axis of the anode cylinder, an output section including an antenna coupled to one of the vanes, and a magnetic circuit section for supplying a magnetic field into the anode cylinder, whereby the magnetron oscillates at a fundamental frequency in a range from 400 MHz to 600 MHz.

Abstract translation: 磁控管具有阳极圆筒，从阳极圆筒径向向内延伸的多个叶片，沿着阳极圆筒的中心轴线延伸的阴极细丝，输出部分，包括耦合到叶片之一的天线和磁路部分 用于向阳极筒提供磁场，由此磁控管以基本频率在400MHz至600MHz的范围内振荡。