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    • 1. 发明授权
    • Imaging apparatus
    • 成像设备
    • US06720996B1
    • 2004-04-13
    • US09600414
    • 2000-07-17
    • Motohiro SuyamaShogo EmaTadashi Maruno
    • Motohiro SuyamaShogo EmaTadashi Maruno
    • H04N5225
    • H01J31/26G01J1/42H01J2231/50015H01J2231/50073
    • In order to provide an imaging apparatus that uses an electron-bombarded multiplying tube with an internal solid imaging device with a long life, improved S/N ratio, high resolution, and moreover high sensitivity, an electron-bombarded multiplying tube with a photocathode 13 and a back-illuminated FT-CCD 11 sealed in a vacuum vessel is used as an imaging element. The vacuum vessel is made from a faceplate 12, a ceramic tube 16, and a ceramic stem 17. The photocathode 13 emits photo-electrons from a surface opposite from the incidence plane, in accordance with incident light. The FT-CCD 11 has an incidence plane disposed in the pathway of photo-electrons from the opposite surface. An imaging portion 11a of the FT-CCD 11 has pixels in the vertical direction in the same number as or in greater numbers than the number of output scan lines. A transfer electrode of the imaging portion 11a is constantly applied with a negative voltage during an image accumulation period. By this, dark current can be controlled, the S/N ratio can be improved, resolution can be maintained, and sensitivity can be improved.
    • 为了提供使用电子轰击倍增管与具有长寿命,改善的S / N比,高分辨率以及高灵敏度的内部固体成像装置的成像装置,具有光电阴极13的电子轰击倍增管 并且将密封在真空容器中的背照式FT-CCD 11用作成像元件。 真空容器由面板12,陶瓷管16和陶瓷杆17制成。光电阴极13根据入射光从与入射面相反的表面发射光电子。 FT-CCD11具有从相对表面设置在光电子路径中的入射平面。 FT-CCD11的成像部11a在垂直方向上具有与输出扫描线数相同或数量多的像素。 成像部分11a的转印电极在图像累积期间恒定地施加负电压。 由此,可以控制暗电流,可以提高S / N比,可以保持分辨率,并且可以提高灵敏度。
    • 4. 发明授权
    • Electron tube
    • 电子管
    • US08040060B2
    • 2011-10-18
    • US12257151
    • 2008-10-23
    • Atsuhito FukasawaYasuyuki EgawaMotohiro Suyama
    • Atsuhito FukasawaYasuyuki EgawaMotohiro Suyama
    • H01J40/06
    • H01J31/26H01J5/24H01J29/861H01J40/02H01J43/28
    • An electron tube of the present invention includes: a vacuum vessel including a side tube portion made of glass and a plate-like member blocking one opening of the side tube portion and made of glass; a first metal film provided on an end face of the side tube portion; a second metal film arranged facing the first metal film and provided on a marginal part of a face at a vacuum side of the plate-like member; a third metal film provided on at least one of an outer wall face of the side tube portion adjacent to the end face and a side face of the plate-like member adjacent to the marginal part; and a metal member made of a low-melting-point metal, for sealing a gap between the side tube portion and the plate-like member while contacting the first metal film, the second metal film, and the third metal film.
    • 本发明的电子管包括:真空容器,包括由玻璃制成的侧管部分和阻挡侧管部分的一个开口并由玻璃制成的板状部件; 设置在所述侧管部的端面上的第一金属膜; 第二金属膜,其布置成面对所述第一金属膜并且设置在所述板状构件的真空侧的面的边缘部分上; 设置在与端面相邻的侧管部分的外壁面中的至少一个上的第三金属膜和邻近边缘部分的板状构件的侧面; 以及由低熔点金属制成的金属构件,用于在与第一金属膜,第二金属膜和第三金属膜接触的同时密封侧管部和板状构件之间的间隙。
    • 6. 发明申请
    • Electron tube
    • 电子管
    • US20070069645A1
    • 2007-03-29
    • US10571007
    • 2004-09-09
    • Hiroyuki KyushimaMotohiro SuyamaSuenori KimuraYasiharu NegiAtsushi FukasawaYoshihiko KawaiAtsushi UchiyamaYasuyuki Egawa
    • Hiroyuki KyushimaMotohiro SuyamaSuenori KimuraYasiharu NegiAtsushi FukasawaYoshihiko KawaiAtsushi UchiyamaYasuyuki Egawa
    • H01J43/04
    • H01J40/16
    • An envelope (2) has a glass bulb body (4) and a cylindrical glass bulb base (5). The glass bulb body (4) includes an upper hemisphere (4a) and a lower hemisphere (4b). The upper hemisphere (4a) is curved in a substantially spherical shape. The lower hemisphere (4b) is substantially curved in a spherical shape and connects the upper hemisphere (4a) and glass bulb base (5). A photocathode (11) is formed on the inner surface of the glass bulb body (4). An avalanche photodiode (APD) (15) is disposed on the glass bulb body (4) side relative to an intersection (S) between an imaginary extended curved surface (I) of the lower hemisphere (4b) within the glass bulb base (5) and an axis (Z). When light enters the photocathode (11), electrons are emitted from the photocathode (11). The electrons are converged at the position above and in the vicinity of the APD (15) by an electrical field in the electron tube (1), so that the electrons enter the APD (15) in an efficient manner and are detected satisfactorily.
    • 信封(2)具有玻璃灯泡体(4)和圆柱形玻璃灯泡座(5)。 玻璃灯泡体(4)包括上半球(4a)和下半球(4b)。 上半球(4a)弯曲成大致球形。 下半球(4b)基本上弯曲成球形并连接上半球(4a)和玻璃球底座(5)。 在玻璃灯泡本体(4)的内表面上形成有光电阴极(11)。 雪崩光电二极管(APD)(15)相对于玻璃灯泡基座内的下半球体(4b)的假想延伸弯曲表面(I)之间的交点(S)设置在玻璃泡体(4)侧上 5)和轴(Z)。 当光进入光电阴极(11)时,从光电阴极(11)发射电子。 电子通过电子管(1)中的电场在APD(15)上方和附近的位置会聚,使得电子以有效的方式进入APD(15)并且被令人满意地检测。