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    • 7. 发明授权
    • RF tags
    • 射频标签
    • US07683785B2
    • 2010-03-23
    • US11795286
    • 2006-01-17
    • Daniel R Johnson
    • Daniel R Johnson
    • G08B13/14H01S4/00
    • G08B13/2414G08B13/242G08B13/2437Y10T29/49002
    • A single sided RF tag suitable for use for electronic article surveillance comprises a tuned circuit formed on one side of a substrate. Provided by a deposited first conducting layer which comprises an inductive coil, which behaves as an antenna and is electrically connected to a first capacitor plate and a connection means to connect to a second conducting layer. A low dissipation factor dielectric layer is deposited onto said first conducting layer. A second conducting layer comprising at least one capacitor and a connection means to electrically connect to the first conducting layer is deposited on the dielectric layer. The second capacitor plate is substantially co-located above the first capacitor plate, to form the capacitor. The capacitor and coil together form a resonant circuit. The circuit pattern for the first and second layer may be formed by known metal printing techniques, such as, for example the use of a catalytic seed layer which is deposited by a pattern transfer mechanism into the circuit pattern. Alternatively the circuit pattern may be formed by standard photo-lithography etch techniques to reveal a circuit pattern from a metallised surface. The tag will preferably incorporate known methods of fusing to deactivate or detune the tag, to permit removal of articles from an enclosed area. The substrate may further include a second RF tag tuned to an alternative frequency on the opposite side of the substrate. Alternatively a plurality of tags may be built up in successive layers on one or both sides of the tag.
    • 适用于电子物品监视的单面RF标签包括形成在基板一侧的调谐电路。 由沉积的第一导电层提供,该第一导电层包括感应线圈,其作为天线,并且电连接到第一电容器板和连接到第二导电层的连接装置。 低耗散因子介电层沉积在所述第一导电层上。 包括至少一个电容器的第二导电层和与第一导电层电连接的连接装置沉积在电介质层上。 第二电容器板基本上位于第一电容器板的上方,以形成电容器。 电容器和线圈一起形成谐振电路。 第一层和第二层的电路图案可以通过已知的金属印刷技术形成,例如使用通过图案转移机构沉积到电路图案中的催化种子层。 或者,电路图案可以通过标准光刻蚀刻技术形成,以从金属化表面露出电路图案。 标签将优选地结合已知的熔化方法来使标签失活或分离,以允许从封闭区域移除物品。 衬底还可以包括在衬底的相对侧上调谐到替代频率的第二RF标签。 或者,可以在标签的一侧或两侧上的连续层中建立多个标签。
    • 10. 发明授权
    • Attachment for securing high temperature internals to refractory lined
pressure vessels
    • 用于将高温内部固定到耐火衬里压力容器的附件
    • US5328667A
    • 1994-07-12
    • US923773
    • 1992-08-03
    • Daniel R. Johnson
    • Daniel R. Johnson
    • B01J8/00C10G11/18F27D99/00B01J8/18F27B15/00
    • F27D99/0073B01J8/008C10G11/18B01J2208/00495
    • A special sealing arrangement provides a chamber between hot metallic internals attached to cold wall pressure vessel shells to preserve the integrity of the lining and to minimize thermal stresses imposed on the shell and the internals. The sealing element of this invention is a mesh blanket composite having opposite ends secured by different brackets to the internal structure and the cold wall pressure vessel shell. The membrane composite allows gases to escape from a heat transfer chamber between the internal structure and the pressure vessel shell while blocking the passage of catalyst into the chamber. This catalyst seal device is particularly useful in FCC units where fine catalyst particles can migrate into expansion chambers provided between an internal cone and the regenerator shell.
    • 特殊的密封装置在连接到冷壁压力容器壳体的热金属内部件之间提供腔室,以保持衬里的完整性并且最小化施加在壳体和内部件上的热应力。 本发明的密封元件是一种网状复合材料,其相对端通过不同的支架固定到内部结构和冷壁压力容器壳体上。 膜复合物允许气体从内部结构和压力容器壳体之间的传热室逸出,同时阻止催化剂进入腔室。 该催化剂密封装置特别适用于FCC单元,其中细催化剂颗粒可以迁移到设置在内锥体和再生器壳之间的膨胀室中。