| 摘要 |
A substrate bonding apparatus and a substrate bonding method apply pressure according to the size of upper and lower substrates when the upper and lower substrates are bonded. The apparatus includes: an upper pressing unit having an upper plate to press an upper substrate, and a first presser to drive the upper plate to press the upper substrate; and a lower pressing unit placed under the upper pressing unit and having a lower plate that supports a lower substrate to be affixed to the upper substrate and presses the lower substrate, and a second presser to drive the lower plate to press the lower substrate. The apparatus can be used in bonding various-sized substrates, e.g., when relatively large-sized substrates are bonded, a lower substrate is pressed upward without causing sagging of an upper substrate, and when relatively small-sized substrates are bonded, an upper substrate is pressed with gas.
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