Patent ID: 9245778
Filing Date: 2016-01-26
CPC Classification: H01L,Y10S,Y10T

Claim Text:
1. A die bonding apparatus, comprising: a work supply/transfer portion, which is configured to transfer a substrate; a bonding portion, which is configured to conduct bonding of a die on said substrate transferred; a wafer supply portion, which is configured to supply a wafer having said die thereon; and a controller portion, which is configured to control each equipment, wherein said wafer supply portion has a push-up unit, which is configured to push up a dicing tape from a lower part, for separating said die from the dicing tape, and said push-up unit has a suction opening portion, which is configured to suck said dicing tape with vacuum, a push-up portion, which is made of an elastic body, sealing a fluid or a powder therein, and is configured to push up said dicing tape, a cylinder, which is configured to apply pressure to said push-up portion, and an air supply means for supplying an air for changing the pressure within the cylinder through control of said controller portion, wherein said push-up portion has two diaphragms, which are disposed on a side of said dicing tape and on a side of said air supply means, respectively, and said fluid or said powder is sealed between the two diaphragms, and wherein said cylinder portion as a whole is separated into an upper push-up portion of a fluid or a powder chamber and a lower cylinder of a high-pressure air chamber via a lower surface diaphragm of the two diaphragms.