Patent ID: 6705925
Filing Date: 2004-03-16
Classification: B24C,H01L

Abstract:
A method to cut a plurality of dice from a wafer, comprising:placing said wafer on a fixture; aligning said wafer in said fixture to expose said plurality of dice to a fluid jet cutting nozzle, said fluid jet cutting nozzle comprises a water jet cutting nozzle; supplying an abrasive to said fluid jet cutting nozzle; supplying a pressurized fluid to said fluid jet cutting nozzle, the fluid comprising water; expelling said abrasive in combination with said fluid from said fluid jet cutting nozzle at a velocity sufficient to cut through said wafer, while said fluid jet cutting nozzle moves in relation to said wafer in said fixture in a curvilinear manner; and removing said plurality of dice from said fixture after said plurality of dice have been cut from said wafer, said plurality of dice contain a plurality of non-rectangular planar light-wave circuits.