发明授权
US08830557B2 Methods of fabricating MEMS with spacers between plates and devices formed by same
有权
制造具有由板形成的间隔物的MEMS与由其形成的器件的方法
- 专利标题: Methods of fabricating MEMS with spacers between plates and devices formed by same
- 专利标题(中): 制造具有由板形成的间隔物的MEMS与由其形成的器件的方法
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申请号: US13608949申请日: 2012-09-10
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公开(公告)号: US08830557B2公开(公告)日: 2014-09-09
- 发明人: Jeffrey Brian Sampsell , Brian James Gally , Philip Don Floyd
- 申请人: Jeffrey Brian Sampsell , Brian James Gally , Philip Don Floyd
- 申请人地址: US CA San Diego
- 专利权人: QUALCOMM MEMS Technologies, Inc.
- 当前专利权人: QUALCOMM MEMS Technologies, Inc.
- 当前专利权人地址: US CA San Diego
- 代理机构: Knobbe, Martens, Olson & Bear LLP
- 主分类号: G02B26/00
- IPC分类号: G02B26/00 ; G02B26/02 ; G02B26/08
摘要:
Methods of fabricating an electromechanical systems (EMS) device with spacers between plates and EMS devices formed by the same are disclosed. In one embodiment, a EMS device is fabricated by laminating a front substrate and a carrier, each of which has components preformed thereon. The front substrate is provided with stationary electrodes formed thereover. A carrier including movable electrodes formed thereover is attached to the front substrate. The carrier may be released after transferring the movable electrodes to the front substrate. In other embodiments, the carrier stays over the front substrate, and serves as a backplate for the EMS device. Features are formed by deposition and patterning, by embossing, or by patterning and etching. Spacers are provided between the front substrate and the backplate to maintain a gap therebetween. The resulting EMS devices can trap smaller volumes between laminated substrates and are less susceptible to pressure variations and moisture leakage.
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