[특허]Optically read recording medium and method for making same

Optically read recording medium and method for making same 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G03C-009/00 G03C-005/00 G01D-009/00
출원번호	US-0901896 (1986-08-28)
발명자 / 주소	Hamersley Alan B. (Orange CA) Goff Michael W. (La Mirada CA) Thummalapally Vinai K. (Anaheim CA) Whitworth Thomas M. (Huntington Beach CA) Nomula Ramchandra R. (Irvine CA)
출원인 / 주소	Quixote Corporation (Chicago IL 02)
인용정보	피인용 횟수 : 16 인용 특허 : 0

초록 ▼

An information recording medium includes a substrate having first and second sides. A layer of photoresist is deposited on the first side of the substrate. This layer of photoresist has a selected thickness and defines an area of openings therein such that the first side of the substrate is exposed at the openings, the openings being distributed in a pattern indicative of selected stored information. A reflecting layer is deposited on the photoresist layer and on the first side of the substrate at the openings. Both the substrate and the layer of photoresist are adapted to transmit the reading beam such that a portion of the reading beam incident on the second side of the substrate is reflected out of the substrate by the reflecting layer, both in a first region comprising the openings and in a second region between the openings. The selected thickness of the photoresist is chosen to provide destructive interference between the portions of the reading beam reflected out of the substrate by the reflecting layer in the first and second regions. Methods for forming such a recording medium by photolithographic techniques are disclosed.

대표청구항 ▼

A method for recording information and for subsequently reading the stored information with a reading beam, said method comprising the following steps: (a) providing a substrate having first and second sides and comprising a first material which transmits the reading beam; (b) coating the first side of the substrate with a layer of a photoresist comprising a second material which transmits the reading beam; (c) exposing portions of the layer of photoresist to create a pattern of first and second regions which differ in exposure; (d) removing at least a portion of the layer of the photoresist in the first region to create depressions having selected depth; (e) depositing a reflecting layer over both the depressions and the second region of the layer of photoresist, said reflecting layer comprising a third material which reflects the reading beam; and (f) directing the reading beam against the second side of the substrate, through the substrate and the remaining portions of the layer of photoresist, onto the reflecting layer to read the pattern of the first and second regions, said selected depth of said depressions selected to create destructive interference on the second side of the substrate between (a) the portion of the reading beam reflected from the reflecting layer overlying the depressions and (b) the portion of the reading beam reflected from the reflecting layer overlying the second regions of the layer photoresist.

이 특허를 인용한 특허 (16)

Hector Wayne M. ; Hintz Michael B., Dual layer optical medium having multilayered spacer layer between reflecting layers.
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Florczak Jeffrey M. (Maplewood MN) Hintz Michael B. (Mahtomedi MN), Dual layer optical medium having partially reflecting metal alloy layer.
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Hintz Michael B. (Mahtomedi MN), Dual layer optical medium having partially reflecting thin film layer.
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Edwards, Jathan D.; Mitchell, William C.; Arps, Mark A., Dual layer optical storage medium having partially reflecting layer comprising amorphous selenium.
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Kam, Kam K.; Mitchell, William C.; Arps, Mark A., Dual layer optical storage medium having partially reflecting layer comprising antimony sulfide.
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Hector Wayne M., Method and apparatus for making an optical information record.
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Joseph W. Paulus ; Kendrick H. Light ; Scott R. Parent ; Donald G. Parent ; Arthur R. LeBlanc, III ; Elango Ramanathan ; Aziz Calcuttawala ; Richard W. Stowe, Method of forming bonded storage disks with low power light assembly.
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Fujita Minoru (Tokyo JPX) Fukushima Yoichi (Tokyo JPX), Preformatted optical recording card and method of producing the same.
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Parent Scott R. ; Thibault Thomas M. ; Parent Donald G., System and method for curing a resin disposed between a top and bottom substrate with thermal management.
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Parent, Scott R.; Thibault, Thomas M.; Parent, Donald G., System and method for curing a resin disposed between a top and bottom substrate with thermal management.
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Rossignol Brian C. ; Paulus Joseph W. ; LeBlanc ; III Arthur R. ; Ramanathan Elangovan, System and method for dispensing a resin between substrates of a bonded storage disk.
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Paulus Joseph W. ; Cadorette Michael L. ; Leblanc ; III Arthur R. ; Parent Scott R. ; Whiteside Peter A. ; Ramanathan Elangovan, System and method for distributing a resin disposed between a top substrate and a bottom substrate.
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Joseph W. Paulus ; Kendrick H. Light ; Scott R. Parent ; Donald G. Parent ; Elangovan Ramanatham, System and method for thermally manipulating a combination of a top and bottom substrate before a curing operation.
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Paulus Joseph W. ; Light Kendrick H. ; Parent Scott R. ; Parent Donald G. ; Ramanatham Elangovan, System and method for thermally manipulating a combination of a top and bottom substrate before a curing operation.
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Joseph W. Paulus ; Kendrick H. Light ; Scott R. Parent ; Donald G. Parent ; Arthur R. LeBlanc, III ; Elango Ramanathan ; Aziz Calcuttawala ; Richard W. Stowe, System for forming bonded storage disks with low power light assembly.
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Paulus Joseph W. ; Parent Scott R. ; Thibault Thomas M. ; Laverriere Guy P. ; Parent Donald G., System for maintaining concentricity of a combination of a top and bottom substrate during the assembly of a bonded storage disk.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Optically read recording medium and method for making same 원문보기

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Optically read recording medium and method for making same 원문보기

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이 특허를 인용한 특허 (16)

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