Method and apparatus for inspecting semiconductor devices for their bonding status

作者: Masamichi Shindo , Toshihiro Kato , Yoshihito Fukasawa

DOI:

关键词: Materials scienceBeam (structure)OpticsReflection (physics)Semiconductor deviceLaser beamsOptoelectronics

摘要: An apparatus and a method for inspecting semiconductor devices, where focused laser beam scans the device, reflected thereof indicating height information of reflection positions on device is detected producing signals. The signals are compared with predetermined acceptance levels distance.

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