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    • 52. 发明申请
    • PLASMA CVD APPARATUS AND VACUUM TREATMENT APPARATUS
    • 等离子体CVD装置和真空处理装置
    • US20140174355A1
    • 2014-06-26
    • US14107005
    • 2013-12-16
    • CANON ANELVA CORPORATION
    • Hiroshi YAKUSHIJIMasahiro SHIBAMOTOKazuto YAMANAKAShogo HIRAMATSUSusumu KARINO
    • C23C16/50
    • C23C14/568C23C16/26C23C16/4401C23C16/509G11B5/85
    • In one embodiment of the invention, a protective film formation chamber for forming a carbon protective film on a magnetic film includes: a gas introduction part which introduces a source gas to a vacuum vessel; a discharge electrode having a discharge surface at a position facing a substrate conveyed to a predetermined position in the vacuum vessel; a plasma formation part which applies voltage between the discharge surface and the substrate conveyed to the predetermined position; a permanent magnet being provided on a back side of the discharge surface and having a first magnet and a second magnet provided such that their magnetic poles facing the discharge surface are opposite to each other; and a no-erosion-portion mask being provided in parallel to the discharge surface and covering an area of the discharge surface surrounding a portion facing the permanent magnet.
    • 在本发明的一个实施例中,用于在磁性膜上形成碳保护膜的保护膜形成室包括:将源气体引入真空容器的气体导入部; 放电电极,其在与被输送到所述真空容器中的预定位置的衬底相对的位置处具有放电表面; 等离子体形成部,其在所述放电面与被输送到所述规定位置的所述基板之间施加电压; 永磁体设置在排出表面的背面,并且具有第一磁体和第二磁体,第一磁体和第二磁体设置成使得它们的面对排出表面的磁极彼此相反; 以及与排放表面平行地设置并覆盖围绕面对永磁体的部分的排出表面的区域的无腐蚀部分掩模。