WO2008156009A1 - Optical element and method for manufacturing the same - Google Patents

Optical element and method for manufacturing the same Download PDF

Info

Publication number
WO2008156009A1
WO2008156009A1 PCT/JP2008/060561 JP2008060561W WO2008156009A1 WO 2008156009 A1 WO2008156009 A1 WO 2008156009A1 JP 2008060561 W JP2008060561 W JP 2008060561W WO 2008156009 A1 WO2008156009 A1 WO 2008156009A1
Authority
WO
WIPO (PCT)
Prior art keywords
recessed
protruding
section
recessed section
reflection preventing
Prior art date
Application number
PCT/JP2008/060561
Other languages
French (fr)
Japanese (ja)
Inventor
Osamu Sakai
Yoshiyuki Furuyama
Original Assignee
Alps Electric Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alps Electric Co., Ltd. filed Critical Alps Electric Co., Ltd.
Priority to CN2008800206685A priority Critical patent/CN101688934B/en
Priority to JP2009520434A priority patent/JP5162585B2/en
Publication of WO2008156009A1 publication Critical patent/WO2008156009A1/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
    • G02B5/1871—Transmissive phase gratings
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1353—Diffractive elements, e.g. holograms or gratings

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Surface Treatment Of Optical Elements (AREA)
  • Optical Head (AREA)

Abstract

[PROBLEMS] To provide an optical element having improved reflection preventing effects, especially in a deep groove structure having a step of 1.5μm or more and inclined surfaces on the sides. [MEANS FOR SOLVING PROBLEMS] On a first molded body (2), a diffraction pattern (5) composed of a protruding section (6) and a recessed section (7) is formed. A step (H1) between the protruding section (6) and the recessed section (7) is 1.5μm or more. Since an inclined surface (10) for improving mold releasability is arranged at a portion close to at least a recessed section bottom surface (7a) between a protruding section upper surface (6a) and the recessed section bottom surface (7a), the diffraction pattern of a deep groove of 1.5μm or more is highly accurately formed, and a reflection preventing structure (8) composed of fine recessed/protruding shapes is formed on the protruding section upper surface (6a), the recessed section bottom surface (7a) and the inclined surface (10). Thus, reflection preventing effects can be more suitably improved, and performance as diffraction grating can be suitably improved.
PCT/JP2008/060561 2007-06-19 2008-06-09 Optical element and method for manufacturing the same WO2008156009A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2008800206685A CN101688934B (en) 2007-06-19 2008-06-09 Optical element and method for manufacturing the same
JP2009520434A JP5162585B2 (en) 2007-06-19 2008-06-09 Optical element and manufacturing method thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007161611 2007-06-19
JP2007-161611 2007-06-19

Publications (1)

Publication Number Publication Date
WO2008156009A1 true WO2008156009A1 (en) 2008-12-24

Family

ID=40156167

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/060561 WO2008156009A1 (en) 2007-06-19 2008-06-09 Optical element and method for manufacturing the same

Country Status (3)

Country Link
JP (1) JP5162585B2 (en)
CN (2) CN102360092B (en)
WO (1) WO2008156009A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013024625A (en) * 2011-07-19 2013-02-04 Seiko Epson Corp Spectroscopic instrument, detector and method for manufacturing spectroscopic instrument
JP2013210680A (en) * 2007-11-06 2013-10-10 Seiko Epson Corp Diffraction optical element, method of manufacturing the same, and laser machining method
JP2018013677A (en) * 2016-07-22 2018-01-25 大日本印刷株式会社 Diffraction optical element and light irradiation device

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103336323B (en) * 2013-03-18 2017-03-01 内蒙古工业大学 The method that Multiple-Scan electron beam lithography makes high-frequency grating
JP6520360B2 (en) * 2015-04-30 2019-05-29 凸版印刷株式会社 Display body, article, original plate, and method of producing original plate
JP6693429B2 (en) * 2017-01-24 2020-05-13 王子ホールディングス株式会社 Anti-reflection structure
JP6953917B2 (en) 2017-09-01 2021-10-27 王子ホールディングス株式会社 Anti-reflective structure
JP7341671B2 (en) * 2018-03-05 2023-09-11 キヤノン株式会社 Articles and methods of manufacturing articles
CN108680982B (en) * 2018-05-18 2020-04-17 京东方科技集团股份有限公司 Polarizing device, preparation method thereof, display substrate and display device
JP2020064157A (en) * 2018-10-16 2020-04-23 キヤノン株式会社 Toric lens, optical element, electrophotographic apparatus and method for manufacturing toric lens

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001517319A (en) * 1997-03-04 2001-10-02 フラウンホファー．ゲゼルシャフト．ツール．フォルデンウング．デール．アンゲヴァンドテン．フォルシュング．エー．ファウ． Anti-reflection coating and its manufacturing method
JP2003344630A (en) * 2002-05-29 2003-12-03 Alps Electric Co Ltd Optical member
JP2004012856A (en) * 2002-06-07 2004-01-15 Nippon Sheet Glass Co Ltd Optical element, mold for optical element, and method for manufacturing optical element
JP2005157119A (en) * 2003-11-27 2005-06-16 Olympus Corp Reflection preventing optical element and optical system using the same
JP2005181361A (en) * 2003-12-16 2005-07-07 Konica Minolta Holdings Inc Optical member with reflection preventing structure
JP2006235195A (en) * 2005-02-24 2006-09-07 Matsushita Electric Ind Co Ltd Method for manufacturing member with antireflective structure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3368225B2 (en) * 1999-03-11 2003-01-20 キヤノン株式会社 Method for manufacturing diffractive optical element
EP1118884A4 (en) * 1999-08-04 2005-04-06 Nippon Sheet Glass Co Ltd Echelon diffraction grating and optical waveguide element
JP4250906B2 (en) * 2002-04-23 2009-04-08 コニカミノルタホールディングス株式会社 Optical element
JP4396413B2 (en) * 2004-06-22 2010-01-13 ソニー株式会社 Optical pickup device, optical disc device
JP2006185562A (en) * 2004-12-28 2006-07-13 Sanyo Electric Co Ltd Optical element for optical pickup

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001517319A (en) * 1997-03-04 2001-10-02 フラウンホファー．ゲゼルシャフト．ツール．フォルデンウング．デール．アンゲヴァンドテン．フォルシュング．エー．ファウ． Anti-reflection coating and its manufacturing method
JP2003344630A (en) * 2002-05-29 2003-12-03 Alps Electric Co Ltd Optical member
JP2004012856A (en) * 2002-06-07 2004-01-15 Nippon Sheet Glass Co Ltd Optical element, mold for optical element, and method for manufacturing optical element
JP2005157119A (en) * 2003-11-27 2005-06-16 Olympus Corp Reflection preventing optical element and optical system using the same
JP2005181361A (en) * 2003-12-16 2005-07-07 Konica Minolta Holdings Inc Optical member with reflection preventing structure
JP2006235195A (en) * 2005-02-24 2006-09-07 Matsushita Electric Ind Co Ltd Method for manufacturing member with antireflective structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013210680A (en) * 2007-11-06 2013-10-10 Seiko Epson Corp Diffraction optical element, method of manufacturing the same, and laser machining method
JP2013024625A (en) * 2011-07-19 2013-02-04 Seiko Epson Corp Spectroscopic instrument, detector and method for manufacturing spectroscopic instrument
JP2018013677A (en) * 2016-07-22 2018-01-25 大日本印刷株式会社 Diffraction optical element and light irradiation device

Also Published As

Publication number Publication date
CN102360092A (en) 2012-02-22
JP5162585B2 (en) 2013-03-13
CN102360092B (en) 2014-05-07
JPWO2008156009A1 (en) 2010-08-26
CN101688934A (en) 2010-03-31
CN101688934B (en) 2012-04-04

Similar Documents

Publication Publication Date Title
WO2008156009A1 (en) Optical element and method for manufacturing the same
USD664093S1 (en) Power module
USD546745S1 (en) Step pad for vehicular side step
USD585280S1 (en) Can end with recess
USD625839S1 (en) Slab
USD601597S1 (en) Enclosed chamber, adjustable finish-applicator for flat and dimensional surfaces
WO2004093216A3 (en) Fuel cell with ultraphobic surfaces
WO2010139342A8 (en) Lens and method for manufacturing same
WO2010045144A3 (en) Mold assembly for midsole and method of manufacturing same
MY201736A (en) Glass substrate for a magnetic disk, magnetic disk and method of manufacturing a magentic disk
WO2011049963A3 (en) Method of embedding material in a glass substrate
WO2006000915A3 (en) Surface waveguide and method of manufacture
WO2005100854A3 (en) Candle making process
WO2009154571A8 (en) A method of making an imprint on a polymer structure
WO2006065263A3 (en) Overmolded article and method for forming same
EP1983141A3 (en) Molded door facing blank and method of forming same
USD619621S1 (en) Four barrel carburetor
JP2014032368A5 (en)
WO2008048782A3 (en) Method of forming detectable warnings on surfaces and products thereof
USD503283S1 (en) Surface pattern for a paper towel
CA133149S (en) Corner trim element for building
USD538830S1 (en) Magnifier
USD603458S1 (en) Die
USD527932S1 (en) Top portion of a spring core
USD566060S1 (en) Grooves formed around a semiconductor device on a circuit board

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200880020668.5

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08765351

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2009520434

Country of ref document: JP

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08765351

Country of ref document: EP

Kind code of ref document: A1