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    • 5. 发明申请
    • SILICA ZEOLITE LOW-K DIELECTRIC THIN FILMS
    • 二氧化硅沸石低K电介质薄膜
    • WO0207191A3
    • 2002-04-18
    • PCT/US0121439
    • 2001-07-06
    • UNIVERSTY OF CALIFORNIAWANG HUANTINGYAN YUSHANWANG ZHENGBAO
    • YAN YUSHANWANG ZHENGBAO
    • C01B37/02H01L21/316H01L21/768C01B39/00
    • H01L21/02126C01B37/02H01L21/02203H01L21/02216H01L21/02282H01L21/02337H01L21/02345H01L21/02356H01L21/31604H01L21/31695H01L21/76801H01L21/7682
    • Thin films for use as dielectric in semiconductor and other devices are prepared from silica zeolites, preferably pure silica zeolites such as pure-silica MFI. The films have low k values, generally below about 2.7, ranging downwards to k values below 2.2. The films have relatively uniform pore distribution, good mechanical strength and adhesion, are relatively little affected by moisture, and are thermally stable. The films may be produced from a starting zeolite synthesis or precursor composition containing a silica source and an organic zeolite structure-directing agent such as a quaternary ammonium hydroxide. In one process the films are produced from the synthesis composition by in-situ crystallization on a substrate. In another process, the films are produced by spin-coating, either through production of a suspension of zeolite crystals followed by redispersion by in-situ crystallization or by using an excess of the alkanol produced in preparing the synthesis composition. Zeolite films having patterned surfaces may also be produced.
    • 用作半导体和其他器件中的电介质的薄膜由二氧化硅沸石,优选纯二氧化硅沸石如纯二氧化硅MFI制备。 该膜具有低k值,通常低于约2.7,向下至k值低于2.2。 该膜具有相对均匀的孔分布,良好的机械强度和附着力,相对较少受潮湿影响,并且是热稳定的。 该膜可以由含有二氧化硅源和有机沸石结构定向剂如季铵氢氧化物的起始沸石合成或前体组合物制备。 在一个过程中,通过在基底上原位结晶从合成组合物制备膜。 在另一种方法中,通过旋涂生产膜,或者通过生产沸石晶体的悬浮液,然后通过原位结晶再分散或者通过使用制备合成组合物时产生的过量的链烷醇来制备。 具有图案化表面的沸石膜也可以被生产。
    • 6. 发明申请
    • METHODS AND APPARATUS FOR FORMING A HIGH DIELECTRIC FILM AND THE DIELECTRIC FILM FORMED THEREBY
    • 形成高介电膜的方法和装置及其形成的介质膜
    • WO98038674A1
    • 1998-09-03
    • PCT/US1998/002962
    • 1998-02-26
    • C23C16/40C23C16/52H01L21/314H01L21/316H01L29/51H01L29/92H01L21/3205
    • H01L21/02183C23C16/40C23C16/52H01L21/02274H01L21/02356H01L21/316H01L21/31691H01L28/40H01L29/516
    • A method of forming a high dielectric oxide film conventionally formed using a post formation oxygen anneal to reduce the leakage current of such film includes forming a high dielectric oxide film on a surface. The high dielectric oxide film has a dielectric constant greater than about 4 and includes a plurality of oxygen vacancies present during the formation of the film. The high dielectric oxide film is exposed during the formation thereof to an amount of atomic oxygen sufficient for reducing the number of oxygen vacancies and eliminating the post formation oxygen anneal of the high dielectric oxide film. Further, the amount of atomic oxygen used in the formation method may be controlled as a function of the amount of oxygen incorporated into the high dielectric oxide film during the formation thereof or be controlled as a function of the concentration of atomic oxygen in a process chamber in which the high dielectric oxide film is being formed. An apparatus for forming the high dielectric oxide film is also described.
    • 使用后形成氧退火形成常规形成的高电介质氧化膜以减少这种膜的漏电流的方法包括在表面上形成高介电氧化物膜。 高电介质氧化物膜具有大于约4的介电常数,并且在膜的形成期间包括存在的多个氧空位。 高电介质氧化物膜在其形成期间暴露于足以减少氧空位数并且消除高电介质氧化物膜的后形成氧退火的原子氧量。 另外,形成方法中使用的原子氧的量可以作为在形成高电介质氧化膜期间掺入的氧的量的函数而被控制,或者作为处理室中的原子氧浓度的函数来控制 其中形成高电介质氧化膜。 还描述了用于形成高电介质氧化物膜的装置。