Patent ID: 9711483
Date: 2017-07-18
CPC Classifications: B23K,H01L,H05K

Claim:
1. A bonding apparatus for bonding a plurality of device chips on a plurality of electrode pads provided to a surface of a substrate, the bonding apparatus comprising: a stage on which the substrate is placed and supported; a head unit configured to hold the device chips to be bonded on the electrode pads; a head lifting mechanism configured to raise and lower the head unit in an up and down direction relative to the stage; a head vibrator configured to vibrate the head unit in the up and down direction; a heater configured to heat a bonding paste that bonds the device chips and the electrode pads; and a bonding region observation component configured to observe a region that includes at least a peripheral part of the electrode pads to which the device chips have been bonded, the stage having a support member that is configured to support the substrate, the support member has a portion corresponding to the peripheral part of the electrode pads to which the device chips have been bonded and an outside part thereof, the portion of the support member being made from a transparent material, the bonding region observation component being disposed opposite the head unit to sandwich the support member of the stage therebetween, and the bonding region observation component including