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    • 4. 发明授权
    • Increase of deposition rate of vapor deposited polymer by electric field
    • 通过电场提高气相沉积聚合物的沉积速率
    • US6022595A
    • 2000-02-08
    • US792044
    • 1997-01-31
    • John F. McDonaldToh-Ming LuBin WangGuang Rong Yang
    • John F. McDonaldToh-Ming LuBin WangGuang Rong Yang
    • B05D1/00B05D7/24C23C16/44C08J7/06
    • B05D1/60C23C16/44B05D1/007
    • A method of depositing a polymer film onto a semiconductor wafer is provided which includes the steps of connecting the wafer to one terminal of a voltage source, connecting an electrode to an other pole of the voltage source and placing the electrode and substrate in superposed orientation to form a parallel plate capacitor, wherein an electric field is produced between the electrode and substrate. The parallel plate capacitor is placed in a chamber where pressure andc temperature are maintained at predetermined levels and gaseous monomers of the desired film to be polymerized are introduced into the chamber. The gaseous monomers are then permitted to flow between the electrode and wafer while the voltage of the electric field is maintained at a level sufficient to polarize the monomers without breaking their chemical bonds wherein the polarized monomers react to form a polymer film on the wafer at an enhanced rate.
    • 提供了一种在半导体晶片上沉积聚合物膜的方法,其包括以下步骤:将晶片连接到电压源的一个端子,将电极连接到电压源的另一个极,并将电极和衬底放置成叠置的方向 形成平行板电容器,其中在电极和基板之间产生电场。 将平行板电容器放置在压力和温度保持在预定水平的室中,并将待聚合的所需膜的气态单体引入室中。 然后允许气态单体在电极和晶片之间流动,同时电场的电压保持在足以使单体极化的水平,而不破坏其化学键,其中极化单体在晶片上反应形成聚合物膜, 增加率。
    • 10. 发明授权
    • Vapor deposition of parylene-F using 1,4-bis (trifluoromethyl) benzene
    • 使用1,4-双(三氟甲基)苯气相沉积聚对二甲苯
    • US5268202A
    • 1993-12-07
    • US960089
    • 1992-10-09
    • Lu YouGuang-Rong YangToh-Ming LuJames A. MooreJohn F. P. McDonald
    • Lu YouGuang-Rong YangToh-Ming LuJames A. MooreJohn F. P. McDonald
    • B05D7/24C23C16/448C23C16/00
    • B05D1/60C23C16/4488
    • A PA-F polymer film is formed using a mixture of 1,4-bis (trifluoromethyl) benzene (TFB) and a halogen initiator. This mixture is provided to a low pressure reactor containing a metal catalyst. The reactor is operated at a sufficient temperature to form a reactive monomer by a chemical reaction at the surface of the catalyst. The reactive monomer is condensed on the surface of a substrate cooled to a temperature sufficiently low to induce polymerization of the reactive monomer to form a PA-F polymer film. In general, the proportion of halogen initiator is about 0.25 to 50% by volume relative to the total volume of the TFB/halogen initiator mixture. The reactor is operated at a temperature of about 200.degree. to 700.degree. C. and a pressure of less than about one torr. In addition, the surface of the substrate is maintained at a temperature of about -30.degree. C. to room temperature. In the preferred approach, the halogen initiator is dibromotetrafluoro-p-xylene (DBX) and the proportion of DBX is about 1 to 5%.
    • 使用1,4-双(三氟甲基)苯(TFB)和卤素引发剂的混合物形成PA-F聚合物膜。 将该混合物提供至含有金属催化剂的低压反应器。 反应器在足够的温度下操作以通过催化剂表面的化学反应形成反应性单体。 反应性单体在冷却到足够低的温度的基材的表面上冷凝以引发反应性单体的聚合以形成PA-F聚合物膜。 通常,相对于TFB /卤素引发剂混合物的总体积,卤素引发剂的比例为约0.25至50体积%。 反应器在约200℃至700℃的温度和小于约一乇的压力下操作。 此外,将基板的表面保持在约-30℃至室温的温度。 在优选的方法中,卤素引发剂是二溴四氟对二甲苯(DBX),DBX的比例为约1至5%。