JP2022012967A - 光走査装置 - Google Patents
光走査装置 Download PDFInfo
- Publication number
- JP2022012967A JP2022012967A JP2020115171A JP2020115171A JP2022012967A JP 2022012967 A JP2022012967 A JP 2022012967A JP 2020115171 A JP2020115171 A JP 2020115171A JP 2020115171 A JP2020115171 A JP 2020115171A JP 2022012967 A JP2022012967 A JP 2022012967A
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- Prior art keywords
- movable frame
- region
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- optical scanning
- mirror
- Prior art date
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- 230000003287 optical effect Effects 0.000 title claims abstract description 40
- 230000002159 abnormal effect Effects 0.000 abstract description 13
- 238000006073 displacement reaction Methods 0.000 description 8
- 238000004088 simulation Methods 0.000 description 7
- 239000010408 film Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
- G02B26/0858—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD the reflecting means being moved or deformed by piezoelectric means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/101—Scanning systems with both horizontal and vertical deflecting means, e.g. raster or XY scanners
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/103—Scanning systems having movable or deformable optical fibres, light guides or waveguides as scanning elements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Micromachines (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Mechanical Optical Scanning Systems (AREA)
Abstract
Description
Claims (5)
- 光ビームを反射するミラー部と、
前記ミラー部を第1駆動軸の周りに回動する第1駆動部と、
前記第1駆動軸上で前記ミラー部と接続され、且つ前記ミラー部の周囲に配置された可動枠と、
前記第1駆動軸と垂直な第2駆動軸上で前記可動枠と接続され、前記ミラー部を前記第2駆動軸の周りに回動する第2駆動部と、を備え、
前記可動枠は矩形状で、裏面側に前記可動枠の外周に沿って設けられたリブを有し、
前記可動枠の四隅の角部領域は、前記リブが部分的に設けられていない、又は前記リブの厚みが他領域よりも薄い不在領域を有していることを特徴とする光走査装置。 - 前記不在領域は、前記リブを構成する四辺のうち方向が互いに異なる二辺が重なる重畳部分であることを特徴とする請求項1に記載の光走査装置。
- 前記不在領域は、前記重畳部分と前記重畳部分から所定の長さの辺部分と合わせた領域であることを特徴とする請求項2に記載の光走査装置。
- 前記不在領域は、前記リブを構成する四辺のうち方向が異なる二辺が重なる重畳部分を除いた、前記重畳部分から所定の長さの辺部分であることを特徴とする請求項1に記載の光走査装置。
- 前記角部領域は、前記第2駆動軸の前記ミラー部の振れ角1°当たりの振れ角の値が0.0353°以下であるように設けられていることを特徴とする請求項1~4の何れか1項に記載の光走査装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020115171A JP7506540B2 (ja) | 2020-07-02 | 光走査装置 | |
US17/360,993 US11971538B2 (en) | 2020-07-02 | 2021-06-28 | Optical scanning device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020115171A JP7506540B2 (ja) | 2020-07-02 | 光走査装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022012967A true JP2022012967A (ja) | 2022-01-18 |
JP7506540B2 JP7506540B2 (ja) | 2024-06-26 |
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Also Published As
Publication number | Publication date |
---|---|
US11971538B2 (en) | 2024-04-30 |
US20220003984A1 (en) | 2022-01-06 |
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