公开(公告)号：US20180102624A1

公开(公告)日：2018-04-12

申请号：US15726486

申请日：2017-10-06

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Young Min Jhon ,  Young In Jhon ,  BYUNGHYUCK MOON ,  MINAH SEO ,  Taikjin Lee ,  JAE HUN KIM ,  Young Tae Byun ,  Seok Lee

IPC: H01S3/11 ,  H01S3/067 ,  H01S3/0941 ,  H01S3/094 ,  C01B32/921 ,  C01C3/08 ,  C09K11/67 ,  C09K11/02

CPC classification number: H01S3/1115 ,  B82Y20/00 ,  B82Y30/00 ,  C01B32/921 ,  C01C3/08 ,  C09K11/025 ,  C09K11/67 ,  H01S3/067 ,  H01S3/06712 ,  H01S3/06791 ,  H01S3/094003 ,  H01S3/0941 ,  H01S3/09415 ,  H01S3/11 ,  H01S3/1118 ,  H01S3/1608 ,  Y10S977/755 ,  Y10S977/814 ,  Y10S977/825 ,  Y10S977/951

Abstract: Provided are a saturable absorber including at least one material selected from a group of MXenes, and a Q-switching and mode-locked pulsed laser system using the same.

公开(公告)号：US20240290732A1

公开(公告)日：2024-08-29

申请号：US18322996

申请日：2023-05-24

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： MINAH SEO ,  Geon LEE ,  Yeeun ROH

IPC: H01L23/00 ,  G06K19/073

CPC classification number: H01L23/573 ,  G06K19/07327

Abstract: Provided is a security code including a substrate, metamaterials on the substrate, a signal modulation pattern on the metamaterials, and a capping layer covering the signal modulation pattern and the metamaterials, wherein the metamaterials include a pair of metal patterns facing each other, the signal modulation pattern covers a portion of the metal patterns, and expose remaining of the metal patterns, and the signal modulation pattern has a different material from each of the metal patterns.