Patent ID: 6949796
Filing Date: 2005-09-27
Classification: H01L

Abstract:
1. A halo implant method, comprising the steps of: (a) providing first and second semiconductor structures formed on a same semiconductor substrate, wherein the first semiconductor structure comprises a first gate region, a first channel region, and first and second semiconductor regions, wherein the first gate region is on top of the first channel region and is oriented in a first direction, wherein the first channel region is sandwiched between the first and second semiconductor regions, wherein the second semiconductor structure comprises a second gate region, a second channel region, and third and fourth semiconductor regions, wherein the second gate region is on top of the second channel region and is oriented in a second direction, wherein the second channel region is sandwiched between the third and fourth semiconductor regions, and wherein the first and second channel regions are of a same channel polarity, wherein the first and second directions are essentially parallel to a top surface of the semiconductor substrate and are not parallel to each other; and (b) halo-implanting the first, second, third, and fourth semiconductor regions in a third projected direction, wherein the third projected direction is essentially a bisector direction of the first and second directions.