Patent ID: 6082605
Filing Date: 2000-07-04
Classification: B22F,B23K,B41J,G01N,H01L,H05K

Abstract:
A solder jet apparatus depositing a stream of liquid metal droplets on a substrate having a surface having a plurality of locations thereon extending throughout said surface, each location of said plurality of locations on said surface having a start point and an endpoint, comprising:a continuous stream generator producing a stream of liquid metal droplets, each droplet having a uniform size within a consistent range for said liquid metal droplets forming said stream of liquid metal droplets; anda stream director selectively directing said stream of liquid metal droplets after said continuous stream generator onto said substrate, said stream director comprising a raster scanner to raster scan said stream of liquid metal droplets, said raster scanner including:an electrical charge generator to charge the liquid metal droplets of said stream of said liquid metal droplets with an electrical charge;a stream blanking device to intermittently blank said liquid metal droplets of said stream of liquid metal droplets; andan electrically charged droplet deflector deflecting at least one electrically charged liquid metal droplet of said stream of liquid metal droplets in a first direction and a second direction for deposition at a location of said plurality of locations extending throughout said surface of said substrate while maintaining said substrate stationary.