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    • 1. 发明申请
    • SMOKE CAPTURING SYSTEM AND METHOD
    • US20200324242A1
    • 2020-10-15
    • US16758961
    • 2018-10-25
    • Ilan FEFERBERGWilliam LEVINEShimon LECHTIZUN PHARMACEUTICALS CORP.
    • Ilan FEFERBERGWilliam LEVINEShimon LECHT
    • B01D47/06B01D5/00B01D53/18C10B53/02C11B1/10
    • A vapor/smoke capturing trap system featuring a smoke chamber trap for precipitating the smoke dispersed in the chamber. The chamber includes a bottom pool for containing a reservoir of a liquid solvent, and a gas filled portion in which a lower smog portion contains fog-sized droplets of the liquid solvent and into which the smoke is introduced, and an upper clear portion in which the concentration of the smoke and the droplets is decreased, respective of their concentration in the smog portion. A fog-condenser, disposed between the smog portion and the clear portion, precipitates the fog droplets of the smog portion into the pool. A fine mist generator streams a jet of fog-sized droplets of the liquid solvent mixed with smoke toward a concentration of the smoke at the smog portion. A closed loop gas circulator withdraws gas from the clear portion and recirculates the gas under pressure through the fine mist generator into the smog portion. Fresh smoke is introduced into the gas circulator via a smoke conveying conduit. A complementary smoke capturing method includes filling the reservoir, streaming the jet of fog-sized droplets toward a concentration of smoke dispersed within the lower smog portion of the gas filled portion, precipitating droplets, in the smog portion, into the pool by a fog-condenser disposed between the lower smog portion and the upper clear portion of the gas filled portion, recirculating under pressure, in a closed loop gas circulator, gas withdrawn from the clear portion into the smog portion through the fine mist generator, and conducting fresh smoke via smoke conveying conduit into the gas circulator.
    • 7. 发明授权
    • Method for manufacturing a metallized luminescent screen for a
cathode-ray tube
    • 阴极射线管金属化荧光屏的制造方法
    • US5800234A
    • 1998-09-01
    • US637028
    • 1996-04-24
    • Paolo SpinaPatrizia CinquinaGuido MancioccoAaron William Levine
    • Paolo SpinaPatrizia CinquinaGuido MancioccoAaron William Levine
    • H01J9/26H01J9/22H01J29/28
    • H01J29/28
    • 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).
    • 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)。