Patent ID: 9064910
Filing Date: 2015-06-23
Classification: B81C,H01L

Abstract:
1. A multi-layer bonding method comprising: forming a first bonded substrate by bonding a first substrate and an intermediate substrate in a bonding chamber by using a pressure bonding mechanism; holding said first bonded substrate by said pressure bonding mechanism in said bonding chamber; conveying a second substrate into said bonding chamber; and forming a second bonded substrate by bonding said first bonded substrate and said second substrate in said bonding chamber by said pressure bonding mechanism, wherein said intermediate substrate is conveyed into said bonding chamber in a state that said intermediate substrate is put on an intermediate cartridge, wherein said first substrate and said intermediate substrate are bonded in the state that said intermediate substrate is put on said intermediate cartridge, wherein said intermediate cartridge is conveyed out from said bonding chamber in the state that said first bonded substrate is not put on said intermediate cartridge, after said first substrate and said intermediate substrate are bonded, wherein said second substrate is conveyed into said bonding chamber in a state that said second substrate is put on a cartridge, after said intermediate cartridge is conveyed out from said bonding chamber, and wherein said first bonded substrate and said second substrate are bonded in the state that said second substrate is put on said cartridge.