JPWO2011040148A1 - 光学素子 - Google Patents
光学素子 Download PDFInfo
- Publication number
- JPWO2011040148A1 JPWO2011040148A1 JP2011534141A JP2011534141A JPWO2011040148A1 JP WO2011040148 A1 JPWO2011040148 A1 JP WO2011040148A1 JP 2011534141 A JP2011534141 A JP 2011534141A JP 2011534141 A JP2011534141 A JP 2011534141A JP WO2011040148 A1 JPWO2011040148 A1 JP WO2011040148A1
- Authority
- JP
- Japan
- Prior art keywords
- optical
- mold
- heat insulation
- heat
- fine shape
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 149
- 239000011347 resin Substances 0.000 claims abstract description 39
- 229920005989 resin Polymers 0.000 claims abstract description 39
- 238000009413 insulation Methods 0.000 claims description 38
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000001746 injection moulding Methods 0.000 abstract description 8
- 239000004065 semiconductor Substances 0.000 description 11
- 238000000465 moulding Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000010287 polarization Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 201000009310 astigmatism Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0046—Details relating to the filling pattern or flow paths or flow characteristics of moulding material in the mould cavity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
- B29C45/372—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings provided with means for marking or patterning, e.g. numbering articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00432—Auxiliary operations, e.g. machines for filling the moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00951—Measuring, controlling or regulating
-
- 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
- G11B7/1378—Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders
-
- 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
- G11B7/22—Apparatus or processes for the manufacture of optical heads, e.g. assembly
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C2045/7343—Heating or cooling of the mould heating or cooling different mould parts at different temperatures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
11 光学機能部
12 フランジ部
12a 頂面
13 クビレ部分
14 突起部分
14a 内径面
14b 外径面
40 成形金型
41 可動金型
42 固定金型
51 型開閉駆動装置
52 進退駆動装置
61,71 型板
63,72 取付板
64a,74a コア型
68 進退部材
81A,81B 半導体レーザ
84A,84B 偏光ビームスプリッタ
84C ダイクロイックプリズム
87A,87B 光検出器
91 アクチュエータ
CV 型空間
CV1 本体空間
CV2 フランジ空間
FC 流路空間
FS 微細形状
GP ゲート
I1 第1の交点
I2 第2の交点
OA 光軸
OS1,OS2 光学面
P 突起
Pa 頂点
PS1,PS2 パーティング面
S1,S2 転写面
S11 型面部
Claims (7)
- 光学面に微細形状を設けた光学機能部と、前記光学機能部の周囲に設けられるフランジ部とを有し、前記フランジ部の外周縁に対応する部位から型空間内に導入された樹脂によって射出成形される光学素子であって、
前記フランジ部は、前記光学面側に突出する断熱保温部を有し、
前記断熱保温部は、前記光学面に設けられた微細形状の最外周を光軸に垂直な方向の外側から覆うことを特徴とする光学素子。 - 前記断熱保温部は、前記フランジ部に沿って環状に設けられていることを特徴とする請求項1に記載の光学素子。
- 前記フランジ部のうち前記光学機能部との境界に設けられたクビレ部分の底から前記断熱保温部によって覆われる微細形状の先端頂点までの光軸方向の距離Aと、前記クビレ部分の底から前記断熱保温部の頂部までの光軸方向の距離Bとに関して、比A/Bは、0.25以上0.85以下であることを特徴とする請求項2に記載の光学素子。
- 前記断熱保温部によって覆われる微細形状の最外周の先端頂点から光軸に直角な半径方向に延びる直線が前記断熱保温部の内径面と交差する第1交点までの距離Cと、前記第1交点から光軸に直角な半径方向に延びる直線が前記断熱保温部の外径面と交差する第2交点までの距離Dとに関して、C<Dの関係が成り立つことを特徴とする請求項2に記載の光学素子。
- 前記断熱保温部によって覆われる微細形状の先端頂点から光軸に直角な半径方向に延びる直線が前記断熱保温部の内径面と交差する第1交点から、前記直線が前記断熱保温部の外径面で交差する第2交点までの距離Dと、前記フランジ部のうち前記光学機能部との境界に設けられたクビレ部分の光軸方向の肉厚Eとに関して、E<Dの関係が成り立つことを特徴とする請求項2に記載の光学素子。
- 比E/Dは、0.65以上0.85以下であることを特徴とする請求項5に記載の光学素子。
- 前記断熱保温部の内径面と光軸とのなす角度θは、5°以上45°以下であることを特徴とする請求項1から請求項6までのいずれか一項に記載の光学素子。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009226675 | 2009-09-30 | ||
JP2009226675 | 2009-09-30 | ||
PCT/JP2010/064156 WO2011040148A1 (ja) | 2009-09-30 | 2010-08-23 | 光学素子 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPWO2011040148A1 true JPWO2011040148A1 (ja) | 2013-02-28 |
Family
ID=43825981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011534141A Pending JPWO2011040148A1 (ja) | 2009-09-30 | 2010-08-23 | 光学素子 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20120182625A1 (ja) |
JP (1) | JPWO2011040148A1 (ja) |
CN (1) | CN102548724A (ja) |
WO (1) | WO2011040148A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012250510A (ja) * | 2011-06-06 | 2012-12-20 | Seiko Epson Corp | 射出成形金型、射出成形品及び射出成形方法 |
JP6179522B2 (ja) * | 2012-09-18 | 2017-08-16 | コニカミノルタ株式会社 | 成形金型、光学素子の製造方法、及び光学素子 |
JP6248934B2 (ja) * | 2012-09-27 | 2017-12-20 | コニカミノルタ株式会社 | 光通信用のレンズ、光通信モジュール及び成形金型 |
CN113442380A (zh) * | 2021-06-21 | 2021-09-28 | 江西晶超光学有限公司 | 注塑模具 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005132002A (ja) * | 2003-10-31 | 2005-05-26 | Konica Minolta Opto Inc | 光学素子 |
JP2007245685A (ja) * | 2006-03-20 | 2007-09-27 | Matsushita Electric Ind Co Ltd | 光学素子成形金型および光学素子 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH085099B2 (ja) * | 1992-05-19 | 1996-01-24 | 株式会社リコー | 射出成形品 |
JP2006150902A (ja) * | 2004-12-01 | 2006-06-15 | Enplas Corp | 光学素子および光学素子成形用金型ならびに光学素子の製造方法 |
JP4661841B2 (ja) * | 2007-08-20 | 2011-03-30 | コニカミノルタホールディングス株式会社 | 対物レンズ製造方法及び対物レンズ製造用金型 |
-
2010
- 2010-08-23 US US13/498,507 patent/US20120182625A1/en not_active Abandoned
- 2010-08-23 JP JP2011534141A patent/JPWO2011040148A1/ja active Pending
- 2010-08-23 CN CN2010800424085A patent/CN102548724A/zh active Pending
- 2010-08-23 WO PCT/JP2010/064156 patent/WO2011040148A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005132002A (ja) * | 2003-10-31 | 2005-05-26 | Konica Minolta Opto Inc | 光学素子 |
JP2007245685A (ja) * | 2006-03-20 | 2007-09-27 | Matsushita Electric Ind Co Ltd | 光学素子成形金型および光学素子 |
Also Published As
Publication number | Publication date |
---|---|
US20120182625A1 (en) | 2012-07-19 |
CN102548724A (zh) | 2012-07-04 |
WO2011040148A1 (ja) | 2011-04-07 |
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