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    • 3. 发明授权
    • Spaced-gate emission device and method for making same
    • 间隔栅极发射装置及其制造方法
    • US5504385A
    • 1996-04-02
    • US299470
    • 1994-08-31
    • Sungho JinGregory P. KochanskiJohn Thomson, Jr.
    • Sungho JinGregory P. KochanskiJohn Thomson, Jr.
    • H01J1/304H01J9/02H01J31/12H01J1/30
    • H01J9/025H01J2201/30403H01J2201/30457H01J2329/00
    • In accordance with the invention, a field emission device is made by disposing emitter material on an insulating substrate, applying a sacrificial film to the emitter material and forming over the sacrificial layer a conductive gate layer having a random distribution of apertures therein. In the preferred process, the gate is formed by applying masking particles to the sacrificial film, applying a conductive film over the masking particles and the sacrificial film and then removing the masking particles to reveal a random distribution of apertures. The sacrificial film is then removed. The apertures then extend to the emitter material. In a preferred embodiment, the sacrificial film contains dielectric spacer particles which remain after the film is removed to separate the emitter from the gate. The result is a novel and economical field emission device having numerous randomly distributed emission apertures which can be used to make low cost flat panel displays.
    • 根据本发明,通过将发射极材料设置在绝缘衬底上,将牺牲膜施加到发射极材料并在牺牲层上形成具有其中孔径随机分布的导电栅极层而形成场致发射器件。 在优选的方法中,通过将掩模颗粒施加到牺牲膜,在掩模颗粒和牺牲膜上施加导电膜,然后去除掩模颗粒以显示孔的随机分布来形成栅极。 然后去除牺牲膜。 孔然后延伸到发射体材料。 在优选实施例中,牺牲膜包含介电间隔物颗粒,其在除去膜之后保留,以将发射极与栅极分离。 结果是一种新颖且经济的场致发射装置,其具有许多随机分布的发射孔,其可用于制造低成本的平板显示器。
    • 8. 发明授权
    • Stackable, passively-tunable, cost-reduced inductor
    • 可堆叠,被动调谐,成本降低的电感
    • US5877666A
    • 1999-03-02
    • US815618
    • 1997-03-12
    • David Wilfred Johnson, Jr.David A. NorteJohn Thomson, Jr.
    • David Wilfred Johnson, Jr.David A. NorteJohn Thomson, Jr.
    • H01F17/00H01F17/06H01F27/28H01F17/30
    • H01F17/0006H01F17/062
    • An inductor (100) optimized for surface-mount vacuum-pickup automated circuit assembly eliminates the expense of an inductor housing. The inductor has a hollow rectangular ferrite core (101) and a winding defined by a stripline (102) deposited on the core surface. Winding ends are formed by conductive vias (103) in the core that open onto the core surface, where they connect and mount the inductor to a circuit board (150). A flat sheet (104) adhered to one face of the core provides a surface for vacuum pickup and for labeling of the inductor. The core of a passively tuneable inductor (200) defines multiple unconnected winding segments (102-103). Segment ends mount the inductor to the circuit board and connect the segments to circuit board striplines (254) that are laid out in a pattern to interconnect a number of the segments into a winding. The inductor is tuned by changing the stripline layout and thereby varying the number of interconnected segments. The core of an electromagnetic interference choke (300) defines two windings wound axially in parallel and radially in opposite directions. The core of a choke (500) that permits stacked mounting defines additional conductive vias (503) for connecting the windings of a second choke (300) mounted on the core to the circuit board. For electromagnetic isolation, the windings of the two chokes are oriented orthogonally to each other.
    • 为表面贴装真空拾取自动化电路组件而优化的电感器(100)消除了电感器外壳的费用。 电感器具有中空矩形铁氧体磁芯(101)和由沉积在磁芯表面上的带状线(102)限定的绕组。 卷绕端由芯体中的导电通路(103)形成,该通孔穿过芯体表面,其中它们将电感器连接并安装到电路板(150)上。 粘附在芯的一个表面上的平板(104)提供用于真空吸收和用于标记电感器的表面。 可调谐电感器(200)的核心限定多个未连接的绕组段(102-103)。 段末端将电感器安装到电路板上,并将这些段连接到以图案布置的电路板带状线(254),以将多个段互连成一个绕组。 通过改变带状线布局并因此改变互连段的数量来调整电感器。 电磁干扰扼流圈(300)的核心限定了沿相反方向平行并径向缠绕的两个绕组。 允许堆叠安装的扼流器(500)的核心定义了用于将安装在芯上的第二扼流器(300)的绕组连接到电路板的附加导电通孔(503)。 对于电磁隔离,两个扼流圈的绕组彼此正交定向。