JPH01177702U - - Google Patents
Info
- Publication number
- JPH01177702U JPH01177702U JP7392588U JP7392588U JPH01177702U JP H01177702 U JPH01177702 U JP H01177702U JP 7392588 U JP7392588 U JP 7392588U JP 7392588 U JP7392588 U JP 7392588U JP H01177702 U JPH01177702 U JP H01177702U
- Authority
- JP
- Japan
- Prior art keywords
- optical diffraction
- diffraction grating
- optical
- grating
- flange
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 229920003002 synthetic resin Polymers 0.000 claims description 2
- 239000000057 synthetic resin Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図および第２図は本考案に係る光回折格子
の一実施例を示す断面図および平面図、第３図は
本考案の光回折格子の他の実施例を示す平面図、
第４図〜第７図は第１図の光回折格子の製造方法
の一例を示す工程図、第８図〜第１１図は第７図
に示す合成樹脂の固化過程において金型内での合
成樹脂の充填過程を説明する図、第１２図は本考
案の光回折格子における光回折格子本体とフラン
ジの面積比に対する格子溝の歪の関係を示す特性
図、第１３図Ａ〜Ｄは従来の光回折格子の製造方
法を示す工程図、第１４図は従来の光回折格子を
製品化した状態を示す断面図である。
１……基板、３……有機物層、５……格子パタ
ーン、７，１３……格子溝、９……ハウジング、
１１……光回折格子本体、１５，１７……フラン
ジ、１９……コア基板、２１……加工層、２３…
…切削工具、２５，３７……コア、２７……射出
成形機、２９，３３……プラテン、３１，３５…
…コアサポート、３９，４１……金型ベース、４
５……注入ゲート、４７，４９……キヤビテイ、
Ｅ……光回折格子。
1 and 2 are a sectional view and a plan view showing one embodiment of the optical diffraction grating according to the present invention, and FIG. 3 is a plan view showing another embodiment of the optical diffraction grating according to the present invention.
Figures 4 to 7 are process diagrams showing an example of the method for manufacturing the optical diffraction grating shown in Figure 1, and Figures 8 to 11 are process diagrams showing the synthesis in the mold during the solidification process of the synthetic resin shown in Figure 7. Fig. 12 is a diagram illustrating the resin filling process, Fig. 12 is a characteristic diagram showing the relationship between the distortion of the grating grooves and the area ratio of the optical grating body to the flange in the optical diffraction grating of the present invention, and Figs. FIG. 14, which is a process diagram showing a method for manufacturing an optical diffraction grating, is a sectional view showing a conventional optical diffraction grating as a product. DESCRIPTION OF SYMBOLS 1... Substrate, 3... Organic layer, 5... Lattice pattern, 7, 13... Lattice groove, 9... Housing,
11... Optical diffraction grating body, 15, 17... Flange, 19... Core substrate, 21... Processing layer, 23...
...cutting tool, 25,37...core, 27...injection molding machine, 29,33...platen, 31,35...
... Core support, 39, 41 ... Mold base, 4
5... Injection gate, 47, 49... Cavity,
E... Optical diffraction grating.
Claims (1)
されたフランジと、 を具備してなる光回折格子であつて、 前記光回折格子本体および前記フランジが透過
性合成樹脂によつて一体的に射出成形されてなる
ことを特徴とする光回折格子。[Claims for Utility Model Registration] An optical diffraction grating comprising: an optical diffraction grating body having a large number of optical diffraction grooves; and a thicker flange formed around the optical grating body, An optical diffraction grating characterized in that the optical diffraction grating main body and the flange are integrally injection molded from a transparent synthetic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988073925U JPH0455282Y2 (en) | 1988-06-03 | 1988-06-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988073925U JPH0455282Y2 (en) | 1988-06-03 | 1988-06-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01177702U true JPH01177702U (en) | 1989-12-19 |
| JPH0455282Y2 JPH0455282Y2 (en) | 1992-12-25 |
Family
ID=31299049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988073925U Expired JPH0455282Y2 (en) | 1988-06-03 | 1988-06-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0455282Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002090518A (en) * | 2000-09-20 | 2002-03-27 | Olympus Optical Co Ltd | Diffractive optical element and forming die for diffractive optical element |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007261004A (en) * | 2006-03-28 | 2007-10-11 | Konica Minolta Opto Inc | Mold for injection-molding diffraction optical element and method for producing diffraction optical element |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59121602U (en) * | 1983-02-05 | 1984-08-16 | キヤノン株式会社 | mold lens |
| JPS6136701A (en) * | 1984-07-30 | 1986-02-21 | Toshiba Corp | Cylindrical lens |
| JPS6168203U (en) * | 1984-10-09 | 1986-05-10 | ||
| JPS62144101A (en) * | 1985-12-19 | 1987-06-27 | Toshiba Corp | Plastic optical parts |
-
1988
- 1988-06-03 JP JP1988073925U patent/JPH0455282Y2/ja not_active Expired
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59121602U (en) * | 1983-02-05 | 1984-08-16 | キヤノン株式会社 | mold lens |
| JPS6136701A (en) * | 1984-07-30 | 1986-02-21 | Toshiba Corp | Cylindrical lens |
| JPS6168203U (en) * | 1984-10-09 | 1986-05-10 | ||
| JPS62144101A (en) * | 1985-12-19 | 1987-06-27 | Toshiba Corp | Plastic optical parts |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002090518A (en) * | 2000-09-20 | 2002-03-27 | Olympus Optical Co Ltd | Diffractive optical element and forming die for diffractive optical element |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0455282Y2 (en) | 1992-12-25 |
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