Patent ID: 8828885

Claim:
A method for forming a line end space structure, comprising: forming a first patterned second hard mask (HM) region based on a first patterned first photo resist (PR) region, the first patterned second HM region associated with a first pattern location; removing at least some of the first patterned second HM region based on a trim PR window; forming at least one of a first sacrificial HM region, a second sacrificial HM region, a first patterned second PR region, a second patterned second PR region, or a spacer region; and removing at least some of at least one of the spacer region, the first patterned second PR region, the second patterned second PR region, a portion of a first HM region not associated with the first sacrificial HM region, the first sacrificial HM region, or a portion of the first HM region not associated with the first patterned second HM region.