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一种磁控溅射用平面阴极

申请公布号:CN202307784U

申请号:CN201120257996.6

申请日期:2011.07.21

申请公布日期:2012.07.04

申请人:
上海德化机电科技有限公司

发明人:陈曦;陆志豪

分类号:H01J37/04(2006.01)I;H01J37/34(2006.01)I

主分类号:H01J37/04(2006.01)I

地址:200092 上海市杨浦区赤峰路63号1号楼310室

摘要:本实用新型涉及一种磁控溅射镀膜装置,更具体地说涉及一种磁控溅射用平面阴极。本实用新型的磁控溅射用平面阴极包括磁轭、靶材、软铁和磁体,其中,靶材位于磁轭下表面,与磁轭连接;软铁位于磁轭内,与磁轭连接,磁体也位于磁轭内,与软铁连接;软铁靠面阴极端部的部分呈楔形,且该部分的厚度越靠面阴极端部越小;此外,软铁靠面阴极端部的部分设有调节螺钉,用于调节软铁和磁体与磁轭表面靶材的间距。本实用新型通过在平面阴极内部设置软铁间距调整机构,对平面阴极两端靶材溅射表面的磁场强度进行精密调整,达到均匀膜层厚度的目的,使镀膜均匀性在3米的宽度范围内控制在±1.5%之内;同时,进一步提高了平面阴极两端靶材的利用率,降低镀膜成本。

主权项:一种磁控溅射用平面阴极,包括磁轭、靶材、软铁和磁体,其中,靶材位于磁轭下表面,与磁轭连接;软铁位于磁轭内,与磁轭连接,磁体也位于磁轭内,与软铁连接,其特征在于,所述软铁靠近平面阴极端部的部分呈楔形,且该部分的厚度越靠近平面阴极端部越小;所述软铁靠近平面阴极端部的部分设有调节螺钉,用于调节软铁和磁体与靶材溅射表面的间距。

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