Patent ID: 6165827
Filing Date: 2000-12-26
Classification: H01L

Abstract:
A method for forming a transistor device, the method comprising the following steps:providing a semiconductor material wafer, the semiconductor wafer having a surface;providing a transistor gate layer atop the surface of the semiconductor wafer, the transistor gate comprising an upper oxide layer and an insulative cap layer over the upper oxide layer, the upper oxide layer having an upper surface, the upper oxide upper surface being at a level above the surface of the semiconductor wafer, the insulative cap comprising an insulative cap material;providing a masking layer over the transistor gate and over the surface of the semiconductor substrate, the masking layer having an upper surface and comprising a masking layer material;removing masking layer material from over the transistor gate until the masking layer upper surface is about level with the level of the upper surface of the upper oxide layer; andetching the insulative cap material to remove the insulative cap from over the transistor gate to thereby expose the upper surface of the upper oxide layer.