Method of fabricating light emitting diode using laser lift-off technique and laser lift-off apparatus having heater
    9.
    发明授权
    Method of fabricating light emitting diode using laser lift-off technique and laser lift-off apparatus having heater 有权
    使用激光剥离技术制造发光二极管的方法和具有加热器的激光剥离装置

    公开(公告)号:US08624159B2

    公开(公告)日:2014-01-07

    申请号:US13410884

    申请日:2012-03-02

    IPC分类号: B23K26/02

    CPC分类号: H01L33/0079

    摘要: An approach is provided for fabricating a light emitting diode using a laser lift-off apparatus. The approach includes growing an epitaxial layer including a first conductive-type compound semiconductor layer, an active layer and a second conductive-type compound semiconductor layer on a first substrate, bonding a second substrate, having a different thermal expansion coefficient from that of the first substrate, to the epitaxial layers at a first temperature of the first substrate higher than a room temperature, and separating the first substrate from the epitaxial layer by irradiating a laser beam through the first substrate at a second temperature of the first substrate higher than the room temperature but not more than the first temperature.

    摘要翻译: 提供了一种使用激光剥离装置制造发光二极管的方法。 该方法包括在第一衬底上生长包括第一导电型化合物半导体层,有源层和第二导电型化合物半导体层的外延层,将具有不同于第一衬底的热膨胀系数不同的第二衬底 衬底,在第一衬底的高于室温的第一温度下到外延层,并且通过在第一衬底的高于室的第二温度下照射穿过第一衬底的激光束将第一衬底与外延层分离 温度不高于第一温度。