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    • 2. 发明授权
    • Cooling microfan arrangements and process
    • 冷却微管安排和工艺
    • US5296775A
    • 1994-03-22
    • US950621
    • 1992-09-24
    • John E. CroninRosemary A. Previti-KellyJames G. RyanTimothy D. Sullivan
    • John E. CroninRosemary A. Previti-KellyJames G. RyanTimothy D. Sullivan
    • F04D25/08H02N1/00
    • F04D25/08H02N1/004
    • A micro electrostatic cooling fan arrangement is provided which includes a heat source having a planar surface, a stator attached to the heat source, an axle attached to the heat source and spaced from the stator, a rotary element including a hub having an aperture therein and a fan blade, the axle passing through the aperture of the hub and the fan blade having a major surface thereof disposed at an angle with respect to the surface of the heat source and attached to the hub at one end, with the other end of the fan blade being adjacent to but spaced from the stator and a voltage source applied to the stator having sufficient voltage to charge the fan blade.Also, a process is provided for making a microfan which includes forming a strip of sacrificial material on a planar surface of a heat source, applying a spin on insulating layer over the heat source and the strip for producing a sloping surface extending from about the top of the strip toward the planar surface of the heat source, applying a layer of conductive material on the sloping surface and strip and defining from the layer of conductive material a fan blade on the sloping surface of the spin on insulating layer and a stator at one end of the fan blade.
    • 提供一种微静电冷却风扇装置,其包括具有平坦表面的热源,附接到热源的定子,附接到热源并与定子间隔开的轴;旋转元件,包括其中具有孔的旋转元件, 风扇叶片,通过轮毂的孔的轴和风扇叶片的主表面相对于热源的表面设置成一定角度并且在一端附接到轮毂,而另一端 风扇叶片与定子相邻但间隔开,并且施加到定子的电压源具有足够的电压以对风扇叶片充电。 此外,提供了一种制造微纤维的方法,其包括在热源的平坦表面上形成牺牲材料条,在绝热层上施加旋涂在热源和带上,用于产生从顶部延伸的倾斜表面 的条带朝向热源的平面表面,在倾斜表面上施加一层导电材料,并且从导电材料层划分并限定绝缘层上的自旋的倾斜表面上的风扇叶片和一个定子上的风扇叶片 风扇叶片的末端。
    • 5. 发明授权
    • Digital hearing aid system
    • 数字助听器系统
    • US07433481B2
    • 2008-10-07
    • US11150896
    • 2005-06-13
    • Stephen W. ArmstrongFrederick E. SykesDavid R. BrownJames G. Ryan
    • Stephen W. ArmstrongFrederick E. SykesDavid R. BrownJames G. Ryan
    • H04R25/00
    • H04R25/407H04R25/356H04R25/453H04R25/505H04R2225/43H04R2460/05
    • A digital hearing aid is provided that includes front and rear microphones, a sound processor, and a speaker. Embodiments of the digital hearing aid include an occlusion subsystem, and a directional processor and headroom expander. The front microphone receives a front microphone acoustical signal and generates a front microphone analog signal. The rear microphone receives a rear microphone acoustical signal and generates a rear microphone analog signal. The front and rear microphone analog signals are converted into the digital domain, and at least the front microphone signal is coupled to the sound processor. The sound processor selectively modifies the signal characteristics and generates a processed signal. The processed signal is coupled to the speaker which converts the signal to an acoustical hearing aid output signal that is directed into the ear canal of the digital hearing aid user. The occlusion sub-system compensates for the amplification of the digital hearing aid user's own voice within the ear canal. The directional processor and headroom expander optimizes the gain applied to the acoustical signals received by the digital hearing aid and combine the amplified signals into a directionally-sensitive response.
    • 提供了一种数字助听器,包括前置和后置麦克风,声音处理器和扬声器。 数字助听器的实施例包括遮挡子系统以及定向处理器和净空扩展器。 前麦克风接收前麦克风声信号并产生前麦克风模拟信号。 后麦克风接收后麦克风声音信号并产生后麦克风模拟信号。 前和后麦克风模拟信号被转换成数字域,并且至少前麦克风信号耦合到声音处理器。 声音处理器选择性地修改信号特性并产生处理的信号。 经处理的信号耦合到扬声器,扬声器将该信号转换成被引导到数字助听器用户的耳道中的声学助听器输出信号。 闭塞子系统补偿耳道内数字助听器用户自己的声音的放大。 定向处理器和净空扩展器优化了应用于由数字助听器接收的声学信号的增益,并将放大的信号组合成方向敏感的响应。
    • 9. 发明授权
    • Method of making epitaxial cobalt silicide using a thin metal underlayer
    • 使用薄金属底层制造外延钴硅化物的方法
    • US5356837A
    • 1994-10-18
    • US145429
    • 1993-10-29
    • Peter J. GeissThomas J. LicataHerbert L. HoJames G. Ryan
    • Peter J. GeissThomas J. LicataHerbert L. HoJames G. Ryan
    • H01L21/28C30B1/00H01L21/223H01L21/225H01L21/285H01L21/8238H01L27/092H01L21/44
    • H01L21/28518C30B1/00C30B29/10H01L21/2257
    • An epitaxial cobalt silicide film is formed using a thin metal underlayer, which is placed underneath a cobalt layer prior to a heating step which forms the silicide film. More specifically, a refractory metal layer comprising tungsten, chromium, molybdenum, or a silicide thereof, is formed overlying a silicon substrate on a semiconductor wafer. A cobalt layer is formed overlying the refractory metal layer. Next, the wafer is annealed at a temperature sufficiently high to form an epitaxial cobalt silicide film overlying the silicon substrate. Following this annealing step, a cobalt-silicon-refractory metal alloy remains overlying the epitaxial cobalt silicide film. This silicide is then used to form a shallow P-N junction by dopant out-diffusion. First, either a P or N-type dopant is implanted into the silicide film so that substantially none of the dopant is implanted into the underlying silicon substrate. After implanting, the dopant is out-diffused from the silicide film into the underlying silicon substrate at a drive temperature sufficiently high to form the desired P-N junction.
    • 使用薄金属底层形成外延钴硅化物膜,该金属底层在形成硅化物膜的加热步骤之前放置在钴层下方。 更具体地,在半导体晶片上的硅衬底上形成包含钨,铬,钼或其硅化物的难熔金属层。 形成覆盖难熔金属层的钴层。 接下来,将晶片在足够高的温度下退火以形成覆盖硅衬底的外延钴硅化物膜。 在该退火步骤之后,钴 - 硅 - 难熔金属合金保留在外延钴硅化物膜上。 然后将该硅化物用于通过掺杂剂外扩散形成浅P-N结。 首先,将P或N型掺杂剂注入到硅化物膜中,使得基本上没有掺杂剂注入到下面的硅衬底中。 在植入之后,掺杂剂在足够高的驱动温度下从硅化物薄膜扩散到下面的硅衬底中以形成所需的P-N结。