公开(公告)号：US20140353765A1

公开(公告)日：2014-12-04

申请号：US14461745

申请日：2014-08-18

Applicant: GLOBALFOUNDRIES Inc.

Inventor： Youngtag WOO ,  Jongwook KYE ,  Dinesh SOMASEKHAR

IPC: H01L27/11 ,  H01L21/8234

CPC classification number: H01L27/1108 ,  H01L21/3086 ,  H01L21/3088 ,  H01L21/823431 ,  H01L21/823821 ,  H01L27/0886 ,  H01L27/11

Abstract: Methodology enabling a generation of fins having a variable fin pitch less than 40 nm, and the resulting device are disclosed. Embodiments include: forming a hardmask on a substrate; providing first and second mandrels on the hardmask; providing a first spacer on each side of each of the first and second mandrels; removing the first and second mandrels; providing, after removal of the first and second mandrels, a second spacer on each side of each of the first spacers; and removing the first spacers.

Abstract translation: 公开了能够产生具有可变翅片间距小于40nm的翅片的方法，并且所得到的装置被公开。 实施例包括：在基板上形成硬掩模; 在硬掩模上提供第一和第二心轴; 在每个第一和第二心轴的每一侧上提供第一间隔件; 移除第一和第二心轴; 在移除所述第一和第二心轴之后，在每个所述第一间隔件的每一侧上提供第二间隔件; 并移除第一间隔物。