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热词
    • 2. 发明授权
    • Method for producing a semiconductor
    • 半导体制造方法
    • US06270685B1
    • 2001-08-07
    • US09436358
    • 1999-11-09
    • Seiichiro IshioKenichi Ao
    • Seiichiro IshioKenichi Ao
    • C23F100
    • B81C1/0042G01P15/0802G01P15/123G01P2015/084H01L21/0334
    • In a method for producing a semiconductor dynamic sensor, an anisotropic etching mask is formed on a (100) crystal orientation silicon substrate with a main portion and form-compensation portions formed at the corners of the main portion. Each of the form-compensation portions has a rectangular shape with a long side and a short side. Further, one of the long and short sides of the etching mask stretches in the direction of the silicon substrate, and the other side stretches in the direction of the silicon substrate. As a result, the silicon substrate can be etched into a predetermined shape without making large corner-undercut portions on a nonetched portion corresponding to the main portion of the mask.
    • 在制造半导体动态传感器的方法中,在主要部分的(100)晶体取向硅衬底上形成各向异性蚀刻掩模,并且形成在主要部分的角部处的形状补偿部分。 每个形状补偿部分具有长边和短边的矩形形状。 此外,蚀刻掩模的长边和短边之一在硅衬底的<011>方向上延伸,另一侧在硅衬底的<0(超芯(1)} 1>方向上延伸。 结果,可以将硅衬底蚀刻成预定形状,而不会在对应于掩模的主要部分的非蚀刻部分上形成大的拐角切口部分。