SECURITY SHEET COMPRISING WATERMARK
Provided is a security sheet comprising: a first sheet including a first watermark; a second sheet; and an intermediate sheet disposed between the first sheet and the second sheet. The first sheet and the second sheet are transparent or translucent. The intermediate sheet includes a pattern layer on...
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Main Authors | , , |
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Format | Patent |
Language | English Korean |
Published |
01.07.2020
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Subjects | |
Online Access | Get full text |
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Abstract | Provided is a security sheet comprising: a first sheet including a first watermark; a second sheet; and an intermediate sheet disposed between the first sheet and the second sheet. The first sheet and the second sheet are transparent or translucent. The intermediate sheet includes a pattern layer on which an inclination pattern having an inclination surface inclined at a predetermined angle is repeatedly formed, wherein a security sheet in which a light shielding layer is formed is provided on the inclination surface. Accordingly, various visual effects can be provided in accordance with an observation direction under transmitted light so that security of a watermark is increased.
제1 은화를 포함하는 제1 시트, 제2 시트 및 상기 제1 시트와 제2 시트 사이에 배치되는 중간 시트를 포함하고, 상기 제1 시트와 상기 제2 시트는 투명 또는 반투명한 시트이고, 상기 중간 시트는 소정 각도로 경사진 경사면을 갖는 경사 패턴이 반복 형성된 패턴층을 포함하고, 상기 경사면에는 광 차단층이 형성되는 보안 시트가 제공된다. 본 발명에 따르면, 투과광 하에서 관찰 방향에 따라 다양한 시각 효과가 제공됨으로써, 은화의 보안성이 향상되는 효과가 있다. |
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AbstractList | Provided is a security sheet comprising: a first sheet including a first watermark; a second sheet; and an intermediate sheet disposed between the first sheet and the second sheet. The first sheet and the second sheet are transparent or translucent. The intermediate sheet includes a pattern layer on which an inclination pattern having an inclination surface inclined at a predetermined angle is repeatedly formed, wherein a security sheet in which a light shielding layer is formed is provided on the inclination surface. Accordingly, various visual effects can be provided in accordance with an observation direction under transmitted light so that security of a watermark is increased.
제1 은화를 포함하는 제1 시트, 제2 시트 및 상기 제1 시트와 제2 시트 사이에 배치되는 중간 시트를 포함하고, 상기 제1 시트와 상기 제2 시트는 투명 또는 반투명한 시트이고, 상기 중간 시트는 소정 각도로 경사진 경사면을 갖는 경사 패턴이 반복 형성된 패턴층을 포함하고, 상기 경사면에는 광 차단층이 형성되는 보안 시트가 제공된다. 본 발명에 따르면, 투과광 하에서 관찰 방향에 따라 다양한 시각 효과가 제공됨으로써, 은화의 보안성이 향상되는 효과가 있다. |
Author | LEE YANG JAE CHOI SUNG HO KIL JUNG HA |
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RelatedCompanies | KOREA MINTING, SECURITY PRINTING & ID CARD OPERATING CORP |
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Snippet | Provided is a security sheet comprising: a first sheet including a first watermark; a second sheet; and an intermediate sheet disposed between the first sheet... |
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SubjectTerms | BOOK COVERS BOOKBINDING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES LOOSE LEAVES MOVABLE-STRIP WRITING OR READING APPARATUS PERFORMING OPERATIONS PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR SPECIAL PRINTED MATTER TRANSPORTING |
Title | SECURITY SHEET COMPRISING WATERMARK |
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