KR20170012353A - 위조 방지 구조체 및 위조 방지 물품 - Google Patents
위조 방지 구조체 및 위조 방지 물품 Download PDFInfo
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- KR20170012353A KR20170012353A KR1020167035745A KR20167035745A KR20170012353A KR 20170012353 A KR20170012353 A KR 20170012353A KR 1020167035745 A KR1020167035745 A KR 1020167035745A KR 20167035745 A KR20167035745 A KR 20167035745A KR 20170012353 A KR20170012353 A KR 20170012353A
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- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/328—Diffraction gratings; Holograms
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0215—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having a regular structure
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0284—Diffusing elements; Afocal elements characterized by the use used in reflection
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Abstract
Description
도 2는 본 발명의 위조 방지 구조체의 구성예를 도시하는 종단면도이다.
도 3은 본 발명의 위조 방지 구조체의 구성예를 도시하는 종단면도이다.
도 4a는 볼록부가 평방 격자형으로 배열된 구조를 갖는 미세 요철 반사층의 구성예를 도시하는 상면도이다.
도 4b는 볼록부가 육방 최밀 충전형으로 배열된 구조를 갖는 미세 요철 반사층의 구성예를 도시하는 상면도이다.
도 5는 본 발명의 위조 방지 구조체의 구성예를 도시하는 종단면도이다.
도 6은 본 발명의 위조 방지 구조체의 구성예를 도시하는 종단면도이다.
도 7a는 본 발명의 위조 방지 구조체의 제조 방법의 일 공정을 도시하는 종단면도이다.
도 7b는 본 발명의 위조 방지 구조체의 제조 방법의 일 공정을 도시하는 종단면도이다.
도 7c는 본 발명의 위조 방지 구조체의 제조 방법의 일 공정을 도시하는 종단면도이다.
도 7d는 본 발명의 위조 방지 구조체의 제조 방법의 일 공정을 도시하는 종단면도이다.
도 7e는 본 발명의 위조 방지 구조체의 제조 방법의 일 공정을 도시하는 종단면도이다.
15: 제1 전구체층
20: 미세 요철 반사층
25: 반사성 전구체층
30: 제2 색 조정층
31, 32: 제1 및 제2의 제2 색 조정층
100, 200, 300, 500, 600: 위조 방지 구조체
110, 120, 210, 220, 310, 320, 510, 520, 610, 620, 630: 영역
Claims (11)
- 미세 요철을 갖는 제1 면, 및 제1 면의 반대측의 미세 요철을 갖는 제2 면을 갖는 미세 요철 반사층과,
상기 제1 면의 적어도 일부 영역에 있어서, 상기 제1 면에 접촉하도록 형성된 제1 색 조정층과,
상기 제2 면의 적어도 일부 영역에 있어서, 상기 제2 면에 접촉하도록 형성된 제2 색 조정층을 포함하는 위조 방지 구조체이며,
상기 제1 색 조정층의 굴절률은, 상기 제2 색 조정층의 굴절률과는 상이하고,
해당 미세 요철 반사층의 제1 면 및 제2 면은, 가시 영역의 적어도 일부 영역의 광을 반사, 간섭, 회절, 산란 및/또는 흡수함으로써 구조색을 발생시키는 미세 요철 표면을 갖고,
상기 제1 조정층의 측에서 관찰한 경우에, 상기 제2 조정층의 측에서 관찰한 경우와는 상이한 광학 효과가 얻어지고,
상기 제1 색 조정층의 굴절률과 상기 제2 색 조정층의 굴절률의 차가 0.1 이상인 것을 특징으로 하는 위조 방지 구조체. - 제1항에 있어서, 상기 미세 요철 반사층은, 상기 제1 면 및 상기 제2 면에 있어서 동일한 요철 형상을 갖는 것을 특징으로 하는 위조 방지 구조체.
- 제1항 또는 제2항에 있어서, 상기 미세 요철 반사층은, 종단면이 직사각형인 요철 형상을 갖는 것을 특징으로 하는 위조 방지 구조체.
- 제1항 또는 제2항에 있어서, 상기 미세 요철 반사층은, 정상부로부터 저부를 향하여 횡단면적이 단조롭게 변화하는 요철 형상을 갖는 것을 특징으로 하는 위조 방지 구조체.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 미세 요철 반사층이 부분적으로 형성되어 있고, 해당 미세 요철 반사층의 영역과 동일 형상으로 덮는 보호층을 더 갖는 것을 특징으로 하는 위조 방지 구조체.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 미세 요철 반사층은, 상이한 미세 요철을 갖는 복수의 부분을 포함하는 것을 특징으로 하는 위조 방지 구조체.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 상기 제2 색 조정층은, 상이한 굴절률을 갖는 복수의 부분을 포함하고, 상기 복수의 부분 중 적어도 하나가, 상기 제1 색 조정층과는 상이한 굴절률을 갖는 것을 특징으로 하는 위조 방지 구조체.
- 투명 부분을 갖는 물품과, 상기 물품의 투명 부분에 배치된 제1항 내지 제6항 중 어느 한 항에 기재된 위조 방지 구조체를 포함하는 것을 특징으로 하는 위조 방지 물품.
- 제8항에 있어서, 상기 투명 부분을 갖는 물품이, 개인 인증 매체, 유가 증권 및 브랜드 프로텍션을 위한 위조 방지 매체로 이루어지는 군으로부터 선택되는 것을 특징으로 하는 위조 방지 물품.
- 제9항에 있어서, 상기 개인 인증 매체가, 개인 정보를 기재하고 있거나, 또는 개인 정보의 전자 데이터를 기억하고 있는, 카드, 여권 및 휴대 전화로 이루어지는 군으로부터 선택되는 것을 특징으로 하는 위조 방지 물품.
- 제9항에 있어서, 상기 유가 증권이, 증권 및 지폐로 이루어지는 군으로부터 선택되는 것을 특징으로 하는 위조 방지 물품.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JPJP-P-2014-108221 | 2014-05-26 | ||
JP2014108221 | 2014-05-26 | ||
PCT/JP2015/002628 WO2015182108A1 (ja) | 2014-05-26 | 2015-05-25 | 偽造防止構造体および偽造防止物品 |
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KR1020187024232A Division KR20180097787A (ko) | 2014-05-26 | 2015-05-25 | 위조 방지 구조체 및 위조 방지 물품 |
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KR20170012353A true KR20170012353A (ko) | 2017-02-02 |
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KR1020167035745A Ceased KR20170012353A (ko) | 2014-05-26 | 2015-05-25 | 위조 방지 구조체 및 위조 방지 물품 |
KR1020187024232A Ceased KR20180097787A (ko) | 2014-05-26 | 2015-05-25 | 위조 방지 구조체 및 위조 방지 물품 |
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KR1020187024232A Ceased KR20180097787A (ko) | 2014-05-26 | 2015-05-25 | 위조 방지 구조체 및 위조 방지 물품 |
Country Status (7)
Country | Link |
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US (1) | US20170203601A1 (ko) |
EP (1) | EP3151042A4 (ko) |
JP (1) | JPWO2015182108A1 (ko) |
KR (2) | KR20170012353A (ko) |
CN (1) | CN106574997B (ko) |
DE (1) | DE112015002464T5 (ko) |
WO (1) | WO2015182108A1 (ko) |
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- 2015-05-25 US US15/313,419 patent/US20170203601A1/en not_active Abandoned
- 2015-05-25 EP EP15798834.6A patent/EP3151042A4/en not_active Withdrawn
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Also Published As
Publication number | Publication date |
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DE112015002464T5 (de) | 2017-02-02 |
CN106574997B (zh) | 2019-06-28 |
KR20180097787A (ko) | 2018-08-31 |
EP3151042A4 (en) | 2018-01-17 |
JPWO2015182108A1 (ja) | 2017-04-20 |
CN106574997A (zh) | 2017-04-19 |
EP3151042A1 (en) | 2017-04-05 |
US20170203601A1 (en) | 2017-07-20 |
WO2015182108A1 (ja) | 2015-12-03 |
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