JPH0325401A - Compound optical parts - Google Patents
Compound optical partsInfo
- Publication number
- JPH0325401A JPH0325401A JP16105889A JP16105889A JPH0325401A JP H0325401 A JPH0325401 A JP H0325401A JP 16105889 A JP16105889 A JP 16105889A JP 16105889 A JP16105889 A JP 16105889A JP H0325401 A JPH0325401 A JP H0325401A
- Authority
- JP
- Japan
- Prior art keywords
- hardness
- sheet
- plastic
- optical parts
- glass
- 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 37
- 150000001875 compounds Chemical class 0.000 title abstract 2
- 239000004033 plastic Substances 0.000 claims abstract description 20
- 229920003023 plastic Polymers 0.000 claims abstract description 20
- 239000000919 ceramic Substances 0.000 claims abstract description 16
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 8
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 7
- PQCCZSBUXOQGIU-UHFFFAOYSA-N [La].[Pb] Chemical compound [La].[Pb] PQCCZSBUXOQGIU-UHFFFAOYSA-N 0.000 claims abstract description 4
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims abstract description 4
- 229910001634 calcium fluoride Inorganic materials 0.000 claims abstract description 4
- 229910052451 lead zirconate titanate Inorganic materials 0.000 claims abstract description 4
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 3
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 claims abstract description 3
- -1 'Elon(R)' Inorganic materials 0.000 claims abstract 2
- 229910052596 spinel Inorganic materials 0.000 claims abstract 2
- 239000011029 spinel Substances 0.000 claims abstract 2
- 239000002131 composite material Substances 0.000 claims description 14
- 239000011521 glass Substances 0.000 abstract description 12
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract description 3
- 239000000843 powder Substances 0.000 abstract description 2
- 238000005245 sintering Methods 0.000 abstract description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- VPNMENGBDCZKOE-LNYNQXPHSA-N [(1R,5S)-8-methyl-8-azabicyclo[3.2.1]octan-3-yl] 3-hydroxy-2-phenylpropanoate [(1S,2S,4R,5R)-9-methyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-7-yl] (2S)-3-hydroxy-2-phenylpropanoate (1R,3S)-1,2,2-trimethylcyclopentane-1,3-dicarboxylic acid Chemical compound CC1(C)[C@H](CC[C@@]1(C)C(O)=O)C(O)=O.CC1(C)[C@H](CC[C@@]1(C)C(O)=O)C(O)=O.CN1[C@H]2CC[C@@H]1CC(C2)OC(=O)C(CO)c1ccccc1.CN1[C@H]2CC(C[C@@H]1[C@H]1O[C@@H]21)OC(=O)[C@H](CO)c1ccccc1 VPNMENGBDCZKOE-LNYNQXPHSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 239000013585 weight reducing agent Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000005304 optical glass Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- DIOZVWSHACHNRT-UHFFFAOYSA-N 2-(2-prop-2-enoxyethoxy)ethanol Chemical compound OCCOCCOCC=C DIOZVWSHACHNRT-UHFFFAOYSA-N 0.000 description 1
- OIWOHHBRDFKZNC-UHFFFAOYSA-N cyclohexyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1CCCCC1 OIWOHHBRDFKZNC-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000003678 scratch resistant effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
(産業上の利用分野〕
本発明は、光学レンズや光学フィルター等として好適な
、軽量で耐久性及び耐環境性に優れた複合光学部品に関
する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a composite optical component that is lightweight, has excellent durability and environmental resistance, and is suitable as an optical lens, an optical filter, or the like.
カメラあるいはビデオカメラ等に用いる光学レンズ、光
学フィルター等の光学部品は、従来から光学ガラスによ
り構戊されている。2. Description of the Related Art Optical parts such as optical lenses and optical filters used in cameras, video cameras, etc. have conventionally been constructed of optical glass.
近年では光学部品を軽量化するため、光学ガラスに代り
プラスチックのレンズやフィルター等が多用されるよう
になってきた。In recent years, in order to reduce the weight of optical components, plastic lenses, filters, etc. have been increasingly used instead of optical glass.
しかし、プラスチックは硬度が低いためにレンズやフィ
ルターとして用いたとき、レンズ系の内部はともかく外
部に露出する表面は埃や微粒子等によって傷つけられた
り、汚れを拭き取る際に傷ついたりしやすい欠点があっ
た。However, due to the low hardness of plastics, when used as lenses or filters, the surfaces exposed to the outside, as well as the interior of the lens system, have the drawback of being easily damaged by dust and fine particles, or easily damaged when wiping dirt off. Ta.
そこで最近では、プラスチック製のレンズやフィルター
の表面に厚さ0.3m程度に研磨加工したガラス薄板を
接着剤で貼り合せ、表面を傷から保護する技術が開発さ
れている。Recently, a technology has been developed to protect the surface of plastic lenses and filters from scratches by bonding a thin glass plate polished to a thickness of about 0.3 m with adhesive to the surface of the lens or filter.
ところがガラスは強度が低いために、Q,3mm程度の
薄さに研磨加工すると極めて僅かな衝撃でも破損しやす
くなり、製造が非常に困難であった。However, since glass has low strength, if it is polished to a thickness of about 3 mm, it will easily break even with the slightest impact, making it extremely difficult to manufacture.
又、ガラスは保護材として硬度が充分に高いとは云えず
、表面での傷の発生を防ぐ目的即ち光学部品の表面保護
の点でも満足できるものとは云い難かった。Further, glass cannot be said to have a sufficiently high hardness as a protective material, and it cannot be said to be satisfactory in terms of preventing scratches on the surface, that is, protecting the surface of optical components.
本発明はかかる従来の事情に鑑み、製造が簡単であり、
軽量で耐久性及び耐環境性に優れた複合光学部品を提供
することを目的とする。In view of such conventional circumstances, the present invention is easy to manufacture,
The objective is to provide composite optical components that are lightweight, durable, and environmentally resistant.
上記目的を達戒するため、本発明の複合光学部品におい
ては、プラスチック製光学部品の少なくとも一表面に、
スビ木ル、エーロン、イットリア、弗化カルシウム、マ
グネシア、ジルコニア及びジルコン酸チタン酸ランタン
鉛のいずれか一種からなる透光性セラミックスの薄板を
接着したことを特徴とする。In order to achieve the above object, in the composite optical component of the present invention, on at least one surface of the plastic optical component,
It is characterized by bonding a thin plate of translucent ceramic made of any one of Subikiru, Elon, Yttria, calcium fluoride, magnesia, zirconia, and lanthanum lead zirconate titanate.
プラスチック製光学部品の材質としては、レンズやフィ
ルター等として既に知られているメタアクリル樹脂(メ
チルメタクリレート系、シクロヘキシルメタクリレート
系等)、及びスチレン系、アリルジグリコール系、スチ
ロール系等のプラスチックを用いることができ、これら
の比重は1.05〜1.32と非常に低いため光学部品
の軽量化に有効である。As materials for plastic optical parts, use methacrylic resins (methyl methacrylate, cyclohexyl methacrylate, etc.), which are already known for lenses, filters, etc., and plastics such as styrene, allyl diglycol, and styrene. These materials have a very low specific gravity of 1.05 to 1.32, so they are effective in reducing the weight of optical components.
(作用)
本発明では上記の軽量なプラスチック製光学部品の表面
に接着する薄板として、従来のガラスに代えて透光性セ
ラミックスを用いる。(Function) In the present invention, a translucent ceramic is used instead of conventional glass as a thin plate to be adhered to the surface of the above-mentioned lightweight plastic optical component.
透光性セラミックスは、粉末を焼結して製造したもので
、ガラスに比べて機械的強度及び硬度が格段に高いため
平らな又は湾曲した薄板に研磨加工しても多少の衝撃で
は破損することがなく、薄板加工に当っての困難さが殆
どない。又、透光性セラミックスの硬度はガラスの2〜
3倍である為極めて傷つきに<<、満足すべき耐久性及
び耐環境性を付与出来る。Translucent ceramics are manufactured by sintering powder and have much higher mechanical strength and hardness than glass, so even if polished into a flat or curved thin plate, it will not break with a slight impact. There is almost no difficulty in processing thin plates. In addition, the hardness of translucent ceramics is 2~2 that of glass.
Since it is 3 times as large, it is extremely scratch resistant and can provide satisfactory durability and environmental resistance.
用いる透光性セラミックスは、機械的強度と硬度が高い
うえ光透過率に優れたスビネル(MgA./ O )、
! 4
エーロン(AllsOt?N,)、イットリア(YO)
、弗化カルシウム(OaF)、マグネシア(MgO)、
ジルコニ雪
ア(ZrO ) 、ジルフン酸チタン酸ランタン鉛(P
LZT)等が好ましい。The translucent ceramics used are Subinel (MgA./O), which has high mechanical strength and hardness and has excellent light transmittance.
! 4 Aeron (AllsOt?N,), Ittria (YO)
, calcium fluoride (OaF), magnesia (MgO),
Zirconia snow (ZrO), lanthanum lead zirconate titanate (P)
LZT) etc. are preferred.
下表にスビネルとエーロンの関連する諸特性をガラスと
比較して示した。The table below shows the related properties of Subinel and Aeron in comparison with glass.
透光性セラミックスの薄板は0.2〜1.0−の厚さが
好ましい。透光性セラミックスを0.2 m 未59の
厚さに研磨加工することは技術的に難しく、コスト的に
も望ましくない。又、厚さが1.0錦を超えると軽量化
の効果が少なくなる。The thin plate of translucent ceramic preferably has a thickness of 0.2 to 1.0 -. Polishing translucent ceramics to a thickness of less than 0.2 m is technically difficult and undesirable from a cost standpoint. Furthermore, if the thickness exceeds 1.0 brocade, the weight reduction effect will be reduced.
尚、透光性セラミックス薄板の光透過率を更に向上させ
たい場合には、弗化マグネシウム(MgF )3
等の屈折率の低い物質を蒸着等により表面にフーテイン
グすることが有効である。Incidentally, if it is desired to further improve the light transmittance of the translucent ceramic thin plate, it is effective to foot the surface with a substance having a low refractive index such as magnesium fluoride (MgF 2 ) 3 by vapor deposition or the like.
実施例1
第1図に示すように、メチルメタクリレート系プラスチ
ックの円板を光学研磨し、直径43ss及び厚さ5−の
プラスチック製光学フィルターlとした。この光学フィ
ルター1の片方の表面に、直径401111及び厚さ0
.3flに光学研磨した透光性スビネル薄板2を接着剤
3で貼り合せた。Example 1 As shown in FIG. 1, a disk of methyl methacrylate plastic was optically polished to form a plastic optical filter l having a diameter of 43ss and a thickness of 5mm. On one surface of this optical filter 1, a diameter of 401111 and a thickness of 0
.. A translucent Subinel thin plate 2 which had been optically polished to a size of 3 fl was bonded with an adhesive 3.
得られた複合光学フィルターの重量は約9gであった。The weight of the obtained composite optical filter was about 9 g.
比較のため、ガラスのみで製造した同一寸法の光学フィ
ルターの重量は約15 gであり、本発明の複合光学フ
ィルターによる重量低減率は60%であった。For comparison, an optical filter of the same size made only of glass weighed about 15 g, and the weight reduction rate by the composite optical filter of the present invention was 60%.
又、表面にサンドプラスト(φ800の硅砂を空気圧4
keA♂で3秒間吹き付け)をかけて傷つきやすさをテ
ストしたところ、プラスチック製光学フィルターのみで
は表面に凹凸が発生するほど傷つき、ガラス薄板を接着
した従来の複合光学フィルターでもかなりの量の傷が発
生したが、透光性スビネル薄板を接着した上記複合光学
フィルターでは目視可能な傷は認められなかった。In addition, sandplast (φ800 silica sand is applied to the surface at an air pressure of 4
keA♂ (sprayed for 3 seconds) to test the susceptibility to scratches, it was found that a plastic optical filter alone was scratched to the point where unevenness appeared on the surface, and a conventional composite optical filter with a thin glass plate bonded had a considerable amount of scratches. However, no visible scratches were observed on the composite optical filter to which the transparent Subinel thin plate was adhered.
実施例2
第2図に示すように、メチルメタクリレート系プラスチ
ックからなる直径50晴及び厚さ13間で球面曲率R4
0のプラスチック製凸1/ンズ4を用意し、このプラス
チック製凸レンズ4の片方の表面に、直径50關及び厚
さQ,3s+sに光学研磨した透光性エーロン薄板5を
接着剤3で貼り合せた。Example 2 As shown in Fig. 2, the spherical curvature R4 is made of methyl methacrylate plastic with a diameter of 50 mm and a thickness of 13 mm.
A plastic convex lens 4 of 0 is prepared, and a translucent Elon thin plate 5 optically polished to a diameter of 50 degrees and a thickness of Q, 3s+s is attached to one surface of this plastic convex lens 4 with an adhesive 3. Ta.
この透光性エーロン.薄板5の表面には、光透過率を向
上させるためにMgF の反射防止フーナイン3
グ6を施した。This translucent aelon. On the surface of the thin plate 5, an anti-reflection coating 6 of MgF was applied to improve the light transmittance.
得られた複合光学レンズは、ガラスのみで製造した同一
寸法の光学レンズに比較して重量低減率が55%であっ
た。The resulting composite optical lens had a weight reduction rate of 55% compared to an optical lens of the same size manufactured only from glass.
又、実施例1と同様に上記複合光学レンズの表面にサン
ドブラストをかけて傷つきやすさをテストしたところ、
透光性エーロン薄板の表面に目視可能な傷は認められな
かった。In addition, as in Example 1, the surface of the composite optical lens was sandblasted to test its fragility.
No visible scratches were observed on the surface of the translucent Aeron thin plate.
本発明によれば、プラスチック製光学部品表面の保護材
として、強度及び硬度に優れた透光性セラミック薄板を
用いるので、軽量で耐久性及び耐環境性に優れた複合光
学部品を提供できる。According to the present invention, since a translucent ceramic thin plate having excellent strength and hardness is used as a protective material for the surface of a plastic optical component, it is possible to provide a composite optical component that is lightweight and has excellent durability and environmental resistance.
しかも、透光性プラスチックは高強度であるから、Q,
3mm程度の薄板に研磨加工したり薄板として取扱い中
に破損することが少なく、従って製造コストを低減させ
ることが可能となる。Moreover, since translucent plastic has high strength, Q,
It is less likely to be damaged during polishing into a thin plate of about 3 mm or during handling as a thin plate, thus making it possible to reduce manufacturing costs.
第1図は実施例1による複合光学フィルターの断面図、
及び第2図は実施例2による複合光学レンズの断面図で
ある。゛
1・・プラスチック製光学フィルター
2・・透光性スビネル薄板
3・・接着剤
4・・プラスチック製凸レンズ
5・・透光性エーロン薄板
6・・反射防止コーティングFIG. 1 is a cross-sectional view of a composite optical filter according to Example 1,
and FIG. 2 is a sectional view of a composite optical lens according to Example 2.゛1...Plastic optical filter 2...Translucent Subinel thin plate 3...Adhesive 4...Plastic convex lens 5...Translucent Elon thin plate 6...Anti-reflection coating
Claims (2)
スピネル、エーロン、イットリア、弗化カルシウム、マ
グネシア、ジルコニア及びジルコン酸チタン酸ランタン
鉛のいずれか一種からなる透光性セラミックスの薄板を
接着した複合光学部品。(1) On at least one surface of the plastic optical component,
A composite optical component made by bonding thin plates of translucent ceramics made of any one of spinel, aelon, yttria, calcium fluoride, magnesia, zirconia, and lanthanum lead zirconate titanate.
1.0mmであることを特徴とする、請求項(1)に記
載の複合光学部品。(2) The thickness of the transparent ceramic thin plate is 0.2 mm or more
The composite optical component according to claim 1, characterized in that the diameter is 1.0 mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16105889A JPH0325401A (en) | 1989-06-23 | 1989-06-23 | Compound optical parts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16105889A JPH0325401A (en) | 1989-06-23 | 1989-06-23 | Compound optical parts |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0325401A true JPH0325401A (en) | 1991-02-04 |
Family
ID=15727815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16105889A Pending JPH0325401A (en) | 1989-06-23 | 1989-06-23 | Compound optical parts |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0325401A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007086787A (en) * | 2005-09-21 | 2007-04-05 | Schott Ag | Optical lens, lens group, optical image acquisition apparatus and their manufacturing methods |
-
1989
- 1989-06-23 JP JP16105889A patent/JPH0325401A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007086787A (en) * | 2005-09-21 | 2007-04-05 | Schott Ag | Optical lens, lens group, optical image acquisition apparatus and their manufacturing methods |
JP4686426B2 (en) * | 2005-09-21 | 2011-05-25 | ショット アクチエンゲゼルシャフト | Optical lens, lens group, optical image collection device, and manufacturing method thereof |
US8025818B2 (en) | 2005-09-21 | 2011-09-27 | Schott Ag | Process for the production of an optical lens |
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