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    Method for manufacturing a metallized luminescent screen for a cathode-ray tube
    4.
    发明授权
    Method for manufacturing a metallized luminescent screen for a cathode-ray tube 失效
    阴极射线管金属化荧光屏的制造方法

    公开(公告)号：US5800234A

    公开(公告)日：1998-09-01

    申请号：US637028

    申请日：1996-04-24

    申请人： Paolo Spina ,  Patrizia Cinquina ,  Guido Manciocco ,  Aaron William Levine

    发明人： Paolo Spina ,  Patrizia Cinquina ,  Guido Manciocco ,  Aaron William Levine

    IPC分类号： H01J9/26 ,  H01J9/22 ,  H01J29/28

    CPC分类号： H01J29/28

    摘要： The present invention relates to a method for manufacturing a metallized luminescent screen for a CRT. At least one phosphor layer is deposited (10) on an inner surface of a faceplate panel to form the luminescent screen. The panel containing the screen is then preheated (12) to a temperature equal to, or in excess of, a minimum film-forming temperature and prewetted (14) by applying water to the screen. An aqueous filming emulsion containing a copolymer of acrylates and methacrylates with an average molecular weight of from 250,000 to 500,000 is applied (16) to the prewetted screen and dried (18) to form a film layer. Next, a layer of aluminum is deposited (20) onto the film layer, and the panel, bearing the metallized screen, is sealed to a funnel by heating the panel and the funnel through a sealing cycle. The sealing cycle(22) has a first rate of temperature increase to a first temperature and a second rate of temperature increase, less than the first rate, to a second temperature. The difference between the first temperature and the second temperature is sufficient to volatilize the film layer. The second temperature is maintained (24) for a period of time sufficient to frit seal the panel to the funnel. The sealed faceplate panel and funnel are then cooled (26).

    摘要翻译： 本发明涉及一种用于CRT的金属化荧光屏的制造方法。 将至少一个荧光体层（10）沉积在面板面板的内表面上以形成荧光屏。 然后将含有筛网的面板通过将水施加到筛网而预热（12）至等于或超过最低成膜温度的温度并预润湿（14）。 将含有平均分子量为25万至500,000的丙烯酸酯和甲基丙烯酸酯的共聚物的含水成膜乳剂（16）施加到预先润湿的筛网上并干燥（18）以形成膜层。 接下来，将一层铝沉积（20）到薄膜层上，并且将带有金属化筛网的面板通过密封循环加热面板和漏斗而密封到漏斗。 密封循环（22）具有第一温度升高到第一温度，第二温度升高速率小于第一速率升至第二温度。 第一温度和第二温度之间的差异足以使薄膜层挥发。 保持第二温度（24）一段足以将面板玻璃料密封到漏斗的时间。 然后将密封的面板和漏斗冷却（26）。

    Tamper detection device
    5.
    发明授权
    Tamper detection device 失效
    防拆检测装置

    公开(公告)号：US5675319A

    公开(公告)日：1997-10-07

    申请号：US638257

    申请日：1996-04-26

    申请人： Howard Christopher Rivenberg ,  Aaron William Levine ,  Nitin Vithalbhai Desai

    发明人： Howard Christopher Rivenberg ,  Aaron William Levine ,  Nitin Vithalbhai Desai

    IPC分类号： G08B13/12 ,  G08B13/06 ,  G08B13/10 ,  G08B13/22

    CPC分类号： G08B13/128

    摘要： A tamper detection device can determine whether a housing containing a device has been tampered with either by having the housing penetrated or by an attempt to remove a cover from the housing. The tamper detection device may be a capacitor which is placed across a portion of the housing and whose capacitance changes if it is penetrated. The temper detection device may also be a flexible circuit having conductive strips thereon forming a circuit with means to cause an open circuit if the housing is penetrated or the cover removed from the housing.

    摘要翻译： 篡改检测装置可以确定包含装置的外壳是否被篡改或者通过使外壳被穿透或者试图从外壳中移除盖子。 篡改检测装置可以是放置在壳体的一部分上并且如果其被穿透的电容变化的电容器。 回火检测装置还可以是柔性电路，其上具有导电条形成电路，该电路具有如果壳体被穿透或盖从壳体移除而引起开路的装置。