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    • 51. 发明授权
    • Plasma deposition of amorphous semiconductors at microwave frequencies
    • 微波等离子体沉积非晶半导体
    • US08048782B1
    • 2011-11-01
    • US12855631
    • 2010-08-12
    • Stanford R. OvshinskyDavid StrandPatrick KlersyBoil Pashmakov
    • Stanford R. OvshinskyDavid StrandPatrick KlersyBoil Pashmakov
    • H01L21/00
    • C23C16/452C23C16/24C23C16/511H01J37/32192H01J37/3244
    • Apparatus and method for plasma deposition of thin film photovoltaic materials at microwave frequencies. The apparatus avoids deposition on windows or other microwave transmission elements that couple microwave energy to deposition species. The apparatus includes a microwave applicator with conduits passing therethrough that carry deposition species. The applicator transfers microwave energy to the deposition species to transform them to a reactive state conducive to formation of a thin film material. The conduits physically isolate deposition species that would react to form a thin film material at the point of microwave power transfer. The deposition species are separately energized and swept away from the point of power transfer to prevent thin film deposition. The invention allows for the ultrafast formation of silicon-containing amorphous semiconductors that exhibit high mobility, low porosity, little or no Staebler-Wronski degradation, and low defect concentration.
    • 微波等离子体沉积薄膜光伏材料的设备和方法。 该装置避免了将微波能量耦合到沉积物质的窗户或其他微波传输元件上的沉积。 该装置包括带有通过其的导管的微波施加器,其携带沉积物质。 施加器将微波能量传递到沉积物质以将它们转变成有助于形成薄膜材料的反应状态。 导管物理隔离在微波功率传递点反应以形成薄膜材料的沉积物质。 沉积物质分开通电并从功率传递点扫除,以防止薄膜沉积。 本发明允许超快速地形成显示高迁移率,低孔隙率,很少或没有Staebler-Wronski降解和低缺陷浓度的含硅非晶半导体。
    • 52. 发明授权
    • Chemical vapor deposition of chalcogenide materials via alternating layers
    • 化学气相沉积硫族化物材料经交替层
    • US07858152B2
    • 2010-12-28
    • US12284425
    • 2008-09-22
    • Stanford R. OvshinskySmuruthi Kamepalli
    • Stanford R. OvshinskySmuruthi Kamepalli
    • C23C16/00
    • C23C16/305H01L45/04H01L45/06H01L45/144H01L45/1616
    • A chemical vapor deposition (CVD) process for preparing electrical and optical chalcogenide materials. In a preferred embodiment, the instant CVD-deposited materials exhibit one or more of the following properties: electrical switching, accumulation, setting, reversible multistate behavior, resetting, cognitive functionality, and reversible amorphous-crystalline transformations. In one embodiment, a multilayer structure, including at least one layer containing a chalcogen element, is deposited by CVD and subjected to post-deposition application of energy to produce a chalcogenide material having properties in accordance with the instant invention. In another embodiment, a single layer chalcogenide material having properties in accordance with the instant invention is formed from a CVD deposition process including three or more deposition precursors, at least one of which is a chalcogen element precursor. Preferred materials are those that include the chalcogen Te along with Ge and/or Sb.
    • 用于制备电和光硫族化物材料的化学气相沉积(CVD)工艺。 在优选的实施方案中,瞬时CVD沉积的材料表现出一种或多种以下性质:电开关,积聚,凝固,可逆多态行为,复位,认知功能和可逆非晶晶转换。 在一个实施方案中,包括含有硫属元素的至少一层的多层结构通过CVD沉积,并进行后沉积施加能量以产生具有根据本发明的性质的硫族化物材料。 在另一个实施方案中,具有根据本发明的性质的单层硫族化物材料由包括三种或更多种沉积前体的CVD沉积工艺形成,其中至少一种是硫属元素前体。 优选的材料是含有硫族元素Te和Ge和/或Sb的材料。
    • 57. 发明申请
    • Multi-functional chalcogenide electronic devices having gain
    • 具有增益的多功能硫属化物电子器件
    • US20070267622A1
    • 2007-11-22
    • US11446798
    • 2006-06-05
    • Stanford R. Ovshinsky
    • Stanford R. Ovshinsky
    • H01L47/00
    • H01L29/0665B82Y10/00H01L29/0673H01L29/0676H01L29/1029H01L29/18H01L29/802H01L31/0324H01L31/08H01L45/06H01L45/10H01L45/1206H01L45/1233H01L45/141
    • Multi-functional electronic switching and current control device comprising a chalcogenide material. The devices include a load terminal, a reference terminal and a control terminal. Application of a control signal to the control terminal permits the device to function in one or more of the following modes reversibly: (1) a gain mode in which gain is induced in the current passing between the load and reference terminals; (2) a conductivity modulation mode in which the conductivity of the chalcogenide material between the load and reference terminals is modulated; (3) a current modulation mode in which the current or current density between the load and reference terminals is modulated; and/or (4) a threshold modulation mode in which the voltage required to switch the chalcogenide material between the load and reference terminals from a resistive state to a conductive state is modulated. The devices may be used as interconnection devices or signal providing devices in circuits and networks.
    • 包括硫属化物材料的多功能电子开关和电流控制装置。 这些设备包括负载端子,参考端子和控制端子。 将控制信号施加到控制终端允许装置在以下模式中的一个或多个模式下可逆地运行:(1)增益模式,其中在负载和参考端之间的电流中感应出增益; (2)调制负载和参考端子之间的硫族化物材料的电导率的电导率调制模式; (3)调制负载和参考端子之间的电流或电流密度的电流调制模式; 和/或(4)阈值调制模式,其中将负载和参考端子之间的硫族化物材料从电阻状态切换到导通状态所需的电压被调制。 这些设备可以用作电路和网络中的互连设备或信号提供设备。
    • 58. 发明授权
    • Multi-terminal device having logic functional
    • 具有逻辑功能的多终端设备
    • US07186998B2
    • 2007-03-06
    • US10761022
    • 2004-01-20
    • Stanford R. OvshinskyBoil Pashmakov
    • Stanford R. OvshinskyBoil Pashmakov
    • H01L29/04H01L29/06H01L47/00
    • H01L45/1233G11C13/0004G11C2213/53H01L45/06H01L45/1206H01L45/144
    • A multi-terminal logic device. The device includes a phase change material having crystalline and amorphous states in electrical communication with three or more electrical terminals. The phase change material is able to undergo reversible transformations between amorphous and crystalline states in response to applied electrical energy where the amorphous and crystalline states show measurably distinct electrical resistances. Electrical energy in the form of current or voltage pulses applied between a pair of terminals influences the structural state and measured electrical resistance between the terminals. In the instant devices, independent input signals are provided between different pairs of terminals and the output is measured as the resistance between yet another pair of terminals. Logic functionality is achieved through relationships between the applied input signals and the measured output resistance where the relationship is governed by the effect of the input signals on the structural state and electrical resistance of the phase change material. Logic values may be associated with the crystalline and amorphous states of the phase change material or the measured resistance between a pair of terminals.
    • 多终端逻辑器件。 该装置包括具有与三个或更多个电端子电连通的晶体和无定形状态的相变材料。 相变材料能够响应于所施加的电能在无定形和结晶状态之间经历可逆变换,其中非晶态和结晶态显示出可测量的不同电阻。 施加在一对端子之间的电流或电压脉冲形式的电能影响端子之间的结构状态和测量的电阻。 在即时设备中,在不同的终端对之间提供独立的输入信号,并且输出被测量为另一对终端之间的电阻。 逻辑功能通过所施加的输入信号与测量的输出电阻之间的关系实现,其中该关系由输入信号对相变材料的结构状态和电阻的影响所决定。 逻辑值可能与相变材料的晶态和非晶状态或一对端子之间测得的电阻相关。
    • 60. 发明授权
    • Hydrogen storage alloys having a high porosity surface layer
    • 具有高孔隙率表面层的储氢合金
    • US06830725B2
    • 2004-12-14
    • US10405008
    • 2003-04-01
    • Michael A. FetcenkoStanford R. OvshinskyKwo YoungBenjamin ReichmanTaihei OuchiJohn KochWilliam Mays
    • Michael A. FetcenkoStanford R. OvshinskyKwo YoungBenjamin ReichmanTaihei OuchiJohn KochWilliam Mays
    • C22C3000
    • H01M4/383H01M10/345Y02E60/324Y10S420/90
    • Electrochemical and thermal hydrogen storage alloy compositions that provide superior performance, including an electrochemical hydrogen storage alloy that provides superior low temperature discharge characteristics. The alloy compositions include microstructures in the interface region that are highly porous and that include catalytic metallic particles. The microstructures include a large volume fraction of voids having spherical or channel-like shapes and are sufficiently open structurally to facilitate greater mobility of reactive species within the microstructure and in the vicinity of catalytic metallic particles. Greater accessibility to reactive sites accordingly results. The greater mobility of reactive species and/or the greater density of catalytic particles lead to faster kinetics and improved performance (e.g. higher power), especially at low operating temperatures. The microstructures may be formed through inclusion of a microstructure tuning element in the alloy composition, through control of processing conditions and/or through inclusion of etching steps in the post-formation processing of hydrogen storage alloys.
    • 提供优异性能的电化学和热储氢合金组合物,包括提供优异的低温放电特性的电化学储氢合金。 合金组合物包括界面区域中的高度多孔的微结构,并且包括催化金属颗粒。 微结构包括具有球形或通道状形状的大体积分数的空隙,并且在结构上足够开放以促进反应性物质在微结构内和催化金属颗粒附近的更大迁移率。 因此可以更好地获得反应性网站。 活性物质的较大迁移率和/或更大密度的催化剂颗粒导致更快的动力学和改进的性能(例如更高的功率),特别是在低的操作温度下。 可以通过在合金组合物中包含微结构调谐元件,通过控制加工条件和/或通过在储氢合金的后形成处理中包括蚀刻步骤来形成微观结构。