JPS6387616U - - Google Patents
Info
- Publication number
- JPS6387616U JPS6387616U JP18300286U JP18300286U JPS6387616U JP S6387616 U JPS6387616 U JP S6387616U JP 18300286 U JP18300286 U JP 18300286U JP 18300286 U JP18300286 U JP 18300286U JP S6387616 U JPS6387616 U JP S6387616U
- Authority
- JP
- Japan
- Prior art keywords
- optical member
- optical
- holder
- head component
- optical path
- 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 claims description 17
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Head (AREA)
Description
第１図はこの考案の一実施例による光ヘツド部
品を示す平面図、第２図は第１図の―線の断
面図、第３図は光学式記録再生装置の構成図、第
４図は従来の光ヘツド部品を示す平面図、第５図
は第４図の―線の断面図である。
図において、３は偏光ビームスプリツタ、３ａ
は稜線、４はλ／４板、１６はホルダ、１８は貫
通穴である。なお、各図中、同一符号は同一又は
相当部分を示す。
FIG. 1 is a plan view showing an optical head component according to an embodiment of this invention, FIG. 2 is a sectional view taken along the line - - in FIG. 1, FIG. 3 is a configuration diagram of an optical recording/reproducing device, and FIG. FIG. 5 is a plan view showing a conventional optical head component, and FIG. 5 is a sectional view taken along the line -- in FIG. In the figure, 3 is a polarizing beam splitter, 3a
4 is a λ/4 plate, 16 is a holder, and 18 is a through hole. In each figure, the same reference numerals indicate the same or equivalent parts.
Claims (1)
を配置し、上記ホルダーを貫通した光路を介して
上記第１の光学部材と対向するように第２の光学
部材を配置したものにおいて、上記光路と直角方
向に貫通して一部が上記光路と交差し、上記第１
の光学部材の稜線が収容可能な貫通穴を上記ホル
ダーに設けたことを特徴とする光ヘツド部品。 (2) 第１の光学部材は偏光ビームスプリツタ又
はハーフプリズムの何れかで第２の光学部材はλ
／４板又はレンズの何れかであることを特徴とす
る実用新案登録請求の範囲第１項記載の光ヘツド
部品。[Claims for Utility Model Registration] (1) A first optical member is disposed on a reference surface provided in a holder, and a second optical member is arranged so as to face the first optical member via an optical path passing through the holder. In the one in which the optical member is arranged, the optical member penetrates in a direction perpendicular to the optical path, a part intersects with the optical path, and the first optical member
An optical head component characterized in that the holder is provided with a through hole capable of accommodating the ridgeline of the optical member. (2) The first optical member is either a polarizing beam splitter or a half prism, and the second optical member is λ
The optical head component according to claim 1, which is either a /4 plate or a lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18300286U JPS6387616U (en) | 1986-11-26 | 1986-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18300286U JPS6387616U (en) | 1986-11-26 | 1986-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6387616U true JPS6387616U (en) | 1988-06-08 |
Family
ID=31129330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18300286U Pending JPS6387616U (en) | 1986-11-26 | 1986-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6387616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06162547A (en) * | 1992-11-16 | 1994-06-10 | Sharp Corp | Hologram laser unit |
-
1986
- 1986-11-26 JP JP18300286U patent/JPS6387616U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06162547A (en) * | 1992-11-16 | 1994-06-10 | Sharp Corp | Hologram laser unit |
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