KR950012366A - Recording medium having two recording layers and manufacturing method thereof - Google Patents

Recording medium having two recording layers and manufacturing method thereof Download PDF

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Publication number
KR950012366A
KR950012366A KR1019930022589A KR930022589A KR950012366A KR 950012366 A KR950012366 A KR 950012366A KR 1019930022589 A KR1019930022589 A KR 1019930022589A KR 930022589 A KR930022589 A KR 930022589A KR 950012366 A KR950012366 A KR 950012366A
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KR
South Korea
Prior art keywords
recording
recording medium
transparent substrate
film
transparent
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Application number
KR1019930022589A
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Korean (ko)
Inventor
김성민
Original Assignee
배순훈
대우전자 주식회사
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Priority to KR1019930022589A priority Critical patent/KR950012366A/en
Publication of KR950012366A publication Critical patent/KR950012366A/en

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  • Laminated Bodies (AREA)

Abstract

본 발명은 한쪽 면에 기록층을 2개 설치하여 기록밀도를 2배로 향상시켜서 기록용량을 증대시킬 수 있도록 된 2개의 기록층을 갖는 기록매체 및 그 제조방법을 제공하기 위한 것이다. 이를 위해 본 발명의 기록매체는, 상부가 제 1기록층으로 가능하는 투명기판(10)과, 상기 투명기판(10)상에 설치된 편광막(12), 상기 (12)상에 설치되어 그 상부가 제 2기록층으로 기능하는 투명층(14), 상기 투명층(14)상에 설치된 반사막(16) 및, 상기 반사막(16)상에 형성된 보호막(18)으로 이루어진 것을 특징으로 한다.SUMMARY OF THE INVENTION The present invention provides a recording medium having two recording layers in which two recording layers are provided on one side, and the recording density can be increased to double the recording density, and a manufacturing method thereof. To this end, the recording medium of the present invention includes a transparent substrate 10 having an upper portion as a first recording layer, a polarizing film 12 provided on the transparent substrate 10, and an upper portion of the recording medium. Is a transparent layer 14 serving as a second recording layer, a reflective film 16 provided on the transparent layer 14, and a protective film 18 formed on the reflective film 16.

Description

2개의 기록층을 갖는 기록매체 및 그 제조방법Recording medium having two recording layers and manufacturing method thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 기록매체의 단면도,1 is a cross-sectional view of a recording medium according to the present invention;

제2도는 본 발명에 따른 기록매체의 일례로서 광디스크의 제조방법을 설명하기 위한 제조공정 단면도이다2 is a cross sectional view of the manufacturing process for explaining a method of manufacturing an optical disc as an example of a recording medium according to the present invention.

Claims (8)

상부가 제 1기록층으로 기능하는 투명기판(10)과, 상기 투명기판(10)상에 설치된 편광막(12), 상기 편광막(12)상에 설치되어 그 상부가 제 2기록층으로 기능하는 투명층(14), 상기 투명층(14)상에 설치된 반사막(16) 및, 상기 반사막(16)상에 형성된 보호막(18)으로 이루어진 것을 특징으로 하는 2개의 기록층을 갖는 기록매체.A transparent substrate 10 having an upper portion serving as a first recording layer, a polarizing film 12 provided on the transparent substrate 10, and a polarizing film 12 provided on the transparent substrate 10 and having an upper portion functioning as a second recording layer. And a transparent film (14), a reflective film (16) provided on the transparent layer (14), and a protective film (18) formed on the reflective film (16). 제1항에 있어서, 상기 편광막(12)은 상기 투명기판(10)을 통해서 입사되는 수직편광을 반사시키고 수평편광을 투과시키도록 된 것을 특징으로 하는 2개의 기록층을 갖는 기록매체.2. The recording medium of claim 1, wherein the polarizing film (12) is configured to reflect vertically polarized light incident through the transparent substrate (10) and transmit horizontally polarized light. 제2항에 있어서, 상기 반사막(16)은 상기 투명기판(10)과 상기 편광막(12) 및 투명층(14)을 통해서 입사되는 수평편광을 반사시키도록 된 것을 특징으로 하는 2개의 기록층을 갖는 기록매체.3. The two recording layers of claim 2, wherein the reflective film 16 reflects horizontally polarized light incident through the transparent substrate 10, the polarizing film 12, and the transparent layer 14. Having a recording medium. 제1항 내지 제3항중 어느 한 항에 있어서, 상기 투명층(14)이 폴리카보네이트와 PMMA 및 폴리올 레핀중에서 선택된 어느 하나로 이루어진 것을 특징으로 하는 2개의 기록층을 갖는 기록매체.The recording medium according to any one of claims 1 to 3, wherein the transparent layer (14) is made of one selected from polycarbonate, PMMA and polyolephine. 제 1스템퍼(2)와 제 2스템퍼(4)를 준비하는 공정과, 상기 제 1스템퍼 (2)를 사용하는 성형처리에 의해 투명기판(10)을 성형하는 공정, 상기 투명기판(10)상에 편광막(12)을 형성하는 공정, 상기 제 2스템퍼 (4)를 사용하여 상기 편광막(12)상에 투명층(14)을 성형하는 공정, 상기 투명층(14)상에 반사막(16)을 형성한 다음에 이 반사막(16)상에 보호막(18)을 형성하는 공정으로 이루어진 것을 특징으로 하는 2개의 기록층을 갖는 기록매체의 제조방법.A step of preparing the first stamper 2 and the second stamper 4, a step of forming the transparent substrate 10 by a molding process using the first stamper 2, the transparent substrate ( 10) forming a polarizing film 12 on the step, forming a transparent layer 14 on the polarizing film 12 using the second stamper (4), a reflective film on the transparent layer 14 (16), followed by forming a protective film (18) on the reflective film (16). 제5항에 있어서, 상기 편광막(12)은 상기 투명기판(10)을 통해서 입사되는 수직편광을 반사시키고 수평편광을 투과시키도록 된 것을 특징으로 하는 2개의 기록층을 갖는 기록매체의 제조방법.The method of manufacturing a recording medium having two recording layers according to claim 5, wherein the polarizing film 12 reflects the vertically polarized light incident through the transparent substrate 10 and transmits the horizontally polarized light. . 제6항에 있어서, 상기 반사막(16)은 상기 투명기판(10)과 상기 편광막(12) 및 투명층(14)을 통해서 입사되는 수평편광을 반사시키도록 된 것을 특징으로 하는 2개의 기록층을 갖는 기록매체의 제조방법.7. The two recording layers of claim 6, wherein the reflective film 16 reflects horizontally polarized light incident through the transparent substrate 10, the polarizing film 12, and the transparent layer 14. Method of manufacturing a recording medium having. 제5항 내지 제7항중 어느 한 항에 있어서, 상기 투명층(14)이 폴리카보네이트와 PMMA 및 폴리올 레핀중에서 선택된 어느 하나로 이루어진 것을 특징으로 하는 2개의 기록층을 갖는 기록매체의 제조방법.The method of manufacturing a recording medium having two recording layers according to any one of claims 5 to 7, wherein the transparent layer (14) is made of one selected from polycarbonate, PMMA and polyolephine. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930022589A 1993-10-28 1993-10-28 Recording medium having two recording layers and manufacturing method thereof KR950012366A (en)

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KR1019930022589A KR950012366A (en) 1993-10-28 1993-10-28 Recording medium having two recording layers and manufacturing method thereof

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KR1019930022589A KR950012366A (en) 1993-10-28 1993-10-28 Recording medium having two recording layers and manufacturing method thereof

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KR950012366A true KR950012366A (en) 1995-05-16

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