Patent ID: 6129040
Filing Date: 2000-10-10
Classification: H01L

Abstract:
A semiconductor mounting apparatus for applying adhesive to a chip mounting surface on a substrate, including:an adhesive dispensing head;a first actuator;a second actuator;a third actuator;a first carriage movable in a first dimension parallel to the chip mounting surface using said first actuator and movable in a second dimension parallel to the chip mounting surface using said second actuator;a guide, said guide connected to said first carriage and running in a third dimension perpendicular to said chip mounting surface;a second carriage connected to said guide and moveable along said guide in the third dimension using said third actuator, said second carriage carrying said adhesive dispensing head;said third actuator having a positioning motor mounted in a stationary manner and an auxiliary carriage driven by said motor, said auxiliary carriage attached to a stationary guide and moveable along said stationary guide in the third dimension, said auxiliary carriage further having a positioning surface parallel to said chip mounting surface; andsaid second carriage having a stop, wherein said stop cooperates with said positioning surface of said auxiliary carriage and which is kept in constant contact with said positioning surface of said auxiliary carriage.