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    • 1. 发明授权
    • High temperature superconductor/diamond composite article, and method of
making the same
    • 高温超导体/金刚石复合制品及其制造方法
    • US5122509A
    • 1992-06-16
    • US516156
    • 1990-04-30
    • Charles P. Beetz, Jr.Peter S. Kirlin
    • Charles P. Beetz, Jr.Peter S. Kirlin
    • H01L39/24
    • H01L39/2461Y10S428/93Y10S505/701Y10S505/702Y10S505/703Y10S505/704Y10T428/30Y10T428/31504Y10T428/31678
    • A multilayer superconducting thin film composite article, comprising a carbon-containing substrate, and an interlayer comprising a material selected from the group consisting of zirconium, yttrium, niobium, and carbides and oxides thereof, platinum, iridium, gold, palladium, and silver, and an overlayer comprising an HTSC material. The carbon-containing substrate preferably comprises diamond and the interlayer preferably comprises a zirconium carbide sub-layer at the interface with the substrate, an intermediate sub-layer of zirconium metal, and an outer sub-layer of zirconium oxide at the interface with the HTSC material overlayer. The superconducting thin film material may comprise a copper oxide HTSC material, with YBaCuO, TlBaCaCuO, and BiSrCaCuO HTSC materials being preferred. The interlayer accommodates formation of the superconducting film in an oxic environment at elevated temperature without destruction of the substrate, while at the same time protecting the HTSC material in the overlayer from deleterious reaction with the substrate which otherwise may cause the HTSC material or precursor thereof to be highly resistive, i.e., non-superconducting, in character. The invention thus permits the fabrication of devices incorporating HTSC films with carbon-containing substrates such as diamond, including high operating temperature bolometers, and high power, high speed switching devices.
    • 一种多层超导薄膜复合制品,包括含碳基底和包含选自锆,钇,铌及其碳化物及其氧化物,铂,铱,金,钯和银的材料的中间层, 以及包括HTSC材料的覆盖层。 含碳基板优选地包括金刚石,并且中间层优选地包括与基板的界面处的碳化锆子层,锆金属的中间子层和在与HTSC的界面处的氧化锆的外部子层 材料覆盖层 超导薄膜材料可以包含氧化铜HTSC材料,优选YBaCuO,TlBaCaCuO和BiSrCaCuO HTSC材料。 中间层可以在氧化环境中在升高的温度环境中形成超导膜而不损坏衬底,同时保护覆盖层中的HTSC材料免受与衬底的有害反应,否则可能导致HTSC材料或其前体 具有高电阻性,即非超导性。 因此,本发明允许制造包含HTSC膜的装置,其中包含诸如金刚石等含碳基板,包括高工作温度测辐射热计和大功率高速开关装置。
    • 5. 发明授权
    • Micro-dynode integrated electron multiplier
    • 微倍增极集成电子倍增器
    • US06384519B1
    • 2002-05-07
    • US08960759
    • 1997-10-30
    • Charles P. Beetz, Jr.John SteinbeckRobert W. BoertslerDavid R. Winn
    • Charles P. Beetz, Jr.John SteinbeckRobert W. BoertslerDavid R. Winn
    • H01J4320
    • H01J43/246H01J43/22
    • A microdynode electron multiplier provides numerous microchannels extending parallel to one another through a layered structure incorporating insulating spacer layers and dynode layers which either incorporate a conductive electrode layer or are contiguous with a conductive electrode layer. The dynode layers include materials with high electron emissivity. The dynode layers can be biased to different electrical potentials to provide a potential gradient along the length of each microchannel. Multi-stage electron multiplication provides high gain. The device desirably is formed as a monolithic, sealed structure with a cathode structure such as a photocathode and an anode structure. The device can provide a multi pixel imaging device of extremely high sensitivity and resolution.
    • 微型电子电子倍增器通过结合有绝缘间隔层和倍增极层的分层结构彼此平行延伸,提供了许多微通道,其中结合有导电电极层或与导电电极层邻接。 倍增极层包括具有高电子发射率的材料。 倍增极层可以被偏置到不同的电势以沿着每个微通道的长度提供电位梯度。 多级电子倍增提供高增益。 该装置理想地形成为具有诸如光电阴极和阳极结构的阴极结构的整体式密封结构。 该器件可以提供极高灵敏度和分辨率的多像素成像设备。
    • 6. 发明授权
    • N-type semiconducting diamond, and method of making the same
    • N型半导体金刚石及其制造方法
    • US5051785A
    • 1991-09-24
    • US369763
    • 1989-06-22
    • Charles P. Beetz, Jr.Douglas C. GordonDuncan W. Brown
    • Charles P. Beetz, Jr.Douglas C. GordonDuncan W. Brown
    • C30B25/02H01L21/205H01L29/16H01L29/167H01L33/00H01L33/34
    • H01L33/343C30B25/02C30B29/04H01L21/0237H01L21/02527H01L21/02576H01L21/02581H01L21/0262H01L29/1602H01L29/167H01L33/0054
    • N-type semiconducting diamond is disclosed, which is intrinsically, i.e., at the time of diamond formation, doped with n-type dopant atoms. Such diamond is advantageously formed by chemical vapor deposition from a source gas mixture comprising a carbon source compound for the diamond, and a volatile precursor compound for the n-type impurity species, so that the n-type impurity atoms are doped in the diamond film in situ during its formation. By such in situ formation technique, shallow n-type impurity atoms, e.g., lithium, arsenic, phosphorous, scandium, antimony, bismuth, and the like, may be incorporated into the crystal lattice in a uniform manner, and without the occurrence of gross lattice asperities and other lattice damage artifacts which result from ion implanation techniques. A corresponding chemical vapor deposition method of forming the n-type semiconducting diamond is disclosed. The n-type semiconducting diamond of the invention may be usefully employed in the formation of diamond-based transistor devices comprising pn diamond junctions, and in other microelectronic device applications.
    • 公开了N型半导体金刚石,其固有地,即在金刚石形成时,掺杂有n型掺杂剂原子。 这种金刚石有利地通过来自包含用于金刚石的碳源化合物的源气体混合物和用于n型杂质物质的挥发性前体化合物的源气体混合物的化学气相沉积形成,使得n型杂质原子掺杂在金刚石膜 在其形成期间的原位。 通过这种原位形成技术,可以以均匀的方式将浅的n型杂质原子,例如锂,砷,磷,钪,锑,铋等掺入晶格中,而不会发生粗 晶格粗糙度和离子注入技术产生的其他晶格损伤伪像。 公开了形成n型半导体金刚石的相应的化学气相沉积方法。 本发明的n型半导体金刚石可有效地用于形成包括pn金刚石结的金刚石基晶体管器件和其它微电子器件应用中。