Patent ID: 8865600

Claim:
A method for forming a line end space structure, comprising: forming a first patterned second hard mask (HM) region associated with a first pattern location based on a first patterned first photo resist (PR) region; forming a first sacrificial HM region above at least some of the first patterned second HM region; forming a second sacrificial HM region above at least some of the first sacrificial HM region; forming at least one of a first patterned second PR region or a second patterned second PR region above at least some of the second sacrificial HM region, the first patterned second PR region associated with a first line location, the second patterned second PR region associated with a second line location; forming a spacer region above at least some of at least one of the first patterned second PR region, the second patterned second PR region, or the second sacrificial HM region; and removing at least some of the first patterned second HM region after the forming a spacer region.