公开(公告)号：US5666022A

公开(公告)日：1997-09-09

申请号：US726900

申请日：1996-10-07

申请人： Jacobus A. J. M. Deckers ,  Theodorus H. Weekers ,  Albert Manenschijn ,  Franciscus M. M. Snijkers ,  Petrus A. M. Van Der Heide

发明人： Jacobus A. J. M. Deckers ,  Theodorus H. Weekers ,  Albert Manenschijn ,  Franciscus M. M. Snijkers ,  Petrus A. M. Van Der Heide

IPC分类号： H01J1/28 ,  H01J9/04 ,  H01J1/14

CPC分类号： H01J9/047 ,  H01J1/28 ,  H01J2201/2892

摘要： A method of manufacturing a dispenser cathode, in which method a powder of a refractory metal and a scandium-containing powder are mixed with each other and pressed to form a cathode body. According to the invention at least both these powders and a suitable binder are mixed with each other to form a homogeneous suspension prior to the pressing operation and the whole mixture is subsequently cured and ground to granules having a larger average size and hence a greater fluidity than the grains of the starting powders. Subsequently the granules thus obtained are pressed to form a cathode body (2). The invention leads to a better processibility and greater convenience of handling of the starting powders so that notably very fine starting powders can be used, which results in cathodes (1) having a better recovery after ion bombardment as compared with cathodes manufactured in conventional manners which are necessarily based on relatively coarse powders.

摘要翻译： 一种制造分配器阴极的方法，其中将难熔金属和含钪粉末的粉末彼此混合并压制以形成阴极体。 根据本发明，至少将这两种粉末和合适的粘合剂彼此混合以在压制操作之前形成均匀的悬浮液，然后将整个混合物固化并研磨成具有较大平均尺寸的颗粒，因此流动性大于 起始粉末的颗粒。 随后将由此获得的颗粒压制以形成阴极体（2）。 本发明导致更好的加工性和更好的处理起始粉末的便利性，使得可以使用显着非常细的起始粉末，这导致与以常规方法制造的阴极相比，在离子轰击之后具有更好恢复的阴极（1） 必须基于较粗的粉末。

公开(公告)号：US5959398A

公开(公告)日：1999-09-28

申请号：US798193

申请日：1996-12-09

申请人： Franciscus M. M. Snijkers ,  Paul J. Van Rijswijck ,  Albert Manenschijn ,  Rene C. B. Weenink

发明人： Franciscus M. M. Snijkers ,  Paul J. Van Rijswijck ,  Albert Manenschijn ,  Rene C. B. Weenink

IPC分类号： H01J29/04 ,  H01J1/22 ,  H01J29/46 ,  H01J1/14 ,  H01J19/06 ,  H01J19/08

CPC分类号： H01J1/22

摘要： A cathode ray tube is provided with an electron gun which comprises a cathode structure which contains an electron-emitting material at an end portion and in which a heating element of bifilarly wound wire is accommodated. Except in the vicinity of the ends of the wire, said wire is provided with an electrically insulating layer (46) whose radius decreases, near the transition between the covered wire and the uncovered ends, by at least 15%, preferably at least 30%. Preferably, the layer (46) having the reduced radius continues for at least 100 .mu.m in the direction of the transition (54). The distance between the transition (54) and the electric connection (61) is smaller than 250 .mu.m, preferably smaller than 150 .mu.m. As a result, the number of uncovered turns between the electric connection (61) and the transition (54) is reduced to below five.

摘要翻译： 阴极射线管设置有电子枪，该电子枪包括阴极结构，该阴极结构在端部包含电子发射材料，并且其中容纳有双线缠绕的线的加热元件。 除了线的端部附近，所述导线设置有电绝缘层（46），其半径在包线和未覆盖端之间的过渡附近减小至少15％，优选至少30％ 。 优选地，具有减小的半径的层（46）在过渡（54）的方向上继续至少100微米。 过渡（54）和电气连接（61）之间的距离小于250μm，优选小于150μm。 结果，电连接（61）和过渡（54）之间的未覆盖匝数减少到5以下。

公开(公告)号：US5890941A

公开(公告)日：1999-04-06

申请号：US824025

申请日：1997-03-25

申请人： Jacobus A.J.M. Deckers ,  Theodorus H. Weekers ,  Albert Manenschijn ,  Franciscus M.M. Snijkers ,  Petrus A.M. Van Der Heide

发明人： Jacobus A.J.M. Deckers ,  Theodorus H. Weekers ,  Albert Manenschijn ,  Franciscus M.M. Snijkers ,  Petrus A.M. Van Der Heide

IPC分类号： H01J1/28 ,  H01J9/04

CPC分类号： H01J9/047 ,  H01J1/28 ,  H01J2201/2892

摘要： A method of manufacturing a dispenser cathode, in which method a powder of a refractory metal and a scandium-containing powder are mixed with each other and pressed to form a cathode body. According to the invention at least both these powders and a suitable binder are mixed with each other to form a homogeneous suspension prior to the pressing operation and the whole mixture is subsequently cured and ground to granules having a larger average size and hence a greater fluidity than the grains of the starting powders. Subsequently the granules thus obtained are pressed to form a cathode body (2). The invention leads to a better processibility and greater convenience of handling of the starting powders so that notably very fine staring powders can be used, which results in cathodes (1) having a better recovery after ion bombardment as compared with cathodes manufactured in conventional manners which are necessarily based on relatively coarse powders.

摘要翻译： 一种制造分配器阴极的方法，其中将难熔金属和含钪粉末的粉末彼此混合并压制以形成阴极体。 根据本发明，至少将这两种粉末和合适的粘合剂彼此混合以在压制操作之前形成均匀的悬浮液，然后将整个混合物固化并研磨成具有较大平均尺寸的颗粒，因此流动性大于 起始粉末的颗粒。 随后将由此获得的颗粒压制以形成阴极体（2）。 本发明导致更好的加工性和更好的处理起始粉末的方便性，使得可以使用显着非常精细的起始粉末，这导致与以常规方法制造的阴极相比，在离子轰击之后具有更好恢复的阴极（1），其中 必须基于较粗的粉末。

公开(公告)号：US5864201A

公开(公告)日：1999-01-26

申请号：US709403

申请日：1996-09-04

申请人： Frederik C. Gehring ,  Tom Van Zutphen ,  Albert Manenschijn

发明人： Frederik C. Gehring ,  Tom Van Zutphen ,  Albert Manenschijn

IPC分类号： H01J29/04 ,  H01J3/02 ,  H01J29/46 ,  H01J29/48 ,  H01J29/50

CPC分类号： H01J29/488 ,  H01J3/029 ,  H01J2201/308

摘要： Electron-optical device having two elongate emitting regions arranged symmetrically with respect to a longitudinal axis for producing two electron beams having an elongate cross-section. By means of electron grids, the two beams are focused at the same point of an electron target arranged transversely to the longitudinal axis and having a short central axis and a long central axis. The elongate emitting regions have their smallest cross-section parallel to the scanning direction of a device, cooperating with the electron-optical device, for scanning a target arranged transversely to the longitudinal axis.

摘要翻译： 电子 - 光学器件具有相对于纵向轴线对称布置的两个细长的发射区域，用于产生具有细长横截面的两个电子束。 通过电子栅格，两个光束聚焦在横向于纵向轴线布置的具有短的中心轴和长的中心轴的电子靶的相同点上。 细长发射区域具有平行于装置的扫描方向的最小横截面，与电子 - 光学装置配合，用于扫描横向于纵向轴线布置的靶。