Patent ID: 7476475
Filing Date: 2009-01-13
Classification: B23K,C30B,H01L

Abstract:
1. A mask for sequential lateral solidification, comprising: a transmission region including a first slit column having a plurality of first slits separated from one another by a predetermined interval, and a second slit column having a plurality of second slits separated from one another by a predetermined interval and disposed adjacent to and offset from the first slit column, wherein the transmission region is configured to substantially completely transmit incident light therethrough; and a semi-transmission region including a first opening pattern, the first opening pattern comprising a plurality of first openings, at least one of the plurality of first openings disposed at least partially between adjacent ones of the plurality of first slits, wherein each of the plurality of first openings are formed into an associated desired shape, and wherein the semi-transmission region further includes a second opening pattern, the second opening pattern comprising a plurality of second openings, at least one of the plurality of second openings disposed at least partially between adjacent ones of the plurality of second slits, and wherein each the plurality of second openings are formed into an associated desired shape, and wherein the semi-transmission region is configured to transmit a portion less than all of the incident light therethrough.