APPARATUS FOR CONTROLLED REMOVAL

Brand	Owner	Address	Description
RUMBA	Hutchison-Hayes International, Inc.	3520 East Belt Houston TX 77015	Apparatus for Controlled Removal of Solids and Gases from Drilling Mud-Namely, Mechanical Screen Vibrating Machines, Shale Shakers and Screens Therefor, Centrifugal Pumps and Cyclones, Agitators, Metal Holding Tanks and Parts Thereof Sold in Conjunction with One or More of the Aforementioned Goods;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

A light reflected from a semiconductor die is used for enhanced control of substrate removal from the die. According to an example embodiment of the present invention, light reflected from a semiconductor die as it is undergoing substrate removal is used to detect the progress of the substrate removal process, and the removal process is controlled therefrom. In different embodiments, the reflected light is used to detect the removal of a portion of a layer of material in the die and to detect the removal of an entire layer of material.