JPS6387640U - - Google Patents
Info
- Publication number
- JPS6387640U JPS6387640U JP18104386U JP18104386U JPS6387640U JP S6387640 U JPS6387640 U JP S6387640U JP 18104386 U JP18104386 U JP 18104386U JP 18104386 U JP18104386 U JP 18104386U JP S6387640 U JPS6387640 U JP S6387640U
- Authority
- JP
- Japan
- Prior art keywords
- medium
- measured
- heating
- recording medium
- optical recording
- 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
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 3
- 238000011156 evaluation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Testing Of Optical Devices Or Fibers (AREA)
- Manufacturing Optical Record Carriers (AREA)
Description
第１図は本考案にかかる記録・消去感度測定装
置の一例の構成図、第２図は加熱機構の斜視図、
第３図は緩和時間と温度との関係を示す特性図、
第４図は結晶化分率の時間変化を示す特性図であ
る。
１……半導体レーザー、２……コリメーターレ
ンズ、３……アツテネータ、４……顕微鏡用光源
、５……フオトダイオード、６……集光レンズ、
７……偏光ビームスプリツタ、８……λ／４波長
板、９……ガルバノミラー、１０……集光レンズ
、１１……試料、１２……顕微鏡、１３……試料
台、１４……面状ヒーター、１５……リード線、
１６……熱電対、１７……試料固定棒、１８……
リード線おさえ。
FIG. 1 is a configuration diagram of an example of a recording/erasing sensitivity measuring device according to the present invention, FIG. 2 is a perspective view of a heating mechanism,
Figure 3 is a characteristic diagram showing the relationship between relaxation time and temperature.
FIG. 4 is a characteristic diagram showing changes in crystallization fraction over time. 1...Semiconductor laser, 2...Collimator lens, 3...Attenuator, 4...Microscope light source, 5...Photodiode, 6...Condenser lens,
7... Polarizing beam splitter, 8... λ/4 wavelength plate, 9... Galvano mirror, 10... Condensing lens, 11... Sample, 12... Microscope, 13... Sample stage, 14... Surface heater, 15...lead wire,
16... Thermocouple, 17... Sample fixing rod, 18...
Hold down the lead wire.
Claims (1)
置において、被測定媒体を任意の温度に加熱する
為の加熱機構と、前記被測定媒体への非晶質化記
録並びに再生を行う為の光学系とを具えたことを
特徴とする光記録媒体評価装置。 An apparatus for measuring the amorphous lifetime of a phase change type optical recording medium includes a heating mechanism for heating the medium to be measured to a desired temperature, and a mechanism for recording and reproducing the amorphous state of the medium to be measured. An optical recording medium evaluation device characterized by comprising an optical system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18104386U JPS6387640U (en) | 1986-11-27 | 1986-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18104386U JPS6387640U (en) | 1986-11-27 | 1986-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6387640U true JPS6387640U (en) | 1988-06-08 |
Family
ID=31125553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18104386U Pending JPS6387640U (en) | 1986-11-27 | 1986-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6387640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01274030A (en) * | 1988-04-27 | 1989-11-01 | Olympus Optical Co Ltd | Characteristic inspecting device for optical information recording medium |
-
1986
- 1986-11-27 JP JP18104386U patent/JPS6387640U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01274030A (en) * | 1988-04-27 | 1989-11-01 | Olympus Optical Co Ltd | Characteristic inspecting device for optical information recording medium |
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