Patent ID: 9635792
Date: 2017-04-25
CPC Classifications: B65G,H01L,H05K,Y10T

Claim:
1. A die-positioning device for positioning a plurality of dies on at least one die-disposing region of a substrate, wherein the die-positioning device comprises: a roller body having a plurality of chambers therein, and comprising a gas transmission pipe and a plurality of baffle boards, wherein the chambers are separated from each other, and the baffle boards are located in the roller body and surround the gas transmission pipe with intervals therebetween to form the chambers; a plurality of die-suction portions located on a surface of the roller body in columns, wherein the die-suction portions for each column correspond to one of the chambers, and each of the die-suction portions has a die suction region and a gas channel passing through the die suction region; and at least one gas control device connected to the chambers and disposed on the roller body, wherein the gas transmission pipe is located in the roller body for communicating the gas control device and the chambers, and the gas control device selectively sucks the air from a specific chamber, such that each of the die-suction portions on the specific chamber sucks one of the dies by the corresponding gas channel, and when the gas control device stops sucking the air from the specific chamber, the sucked die is released to a predetermined position.