JPS6214896B2 - - Google Patents
Info
- Publication number
- JPS6214896B2 JPS6214896B2 JP54048623A JP4862379A JPS6214896B2 JP S6214896 B2 JPS6214896 B2 JP S6214896B2 JP 54048623 A JP54048623 A JP 54048623A JP 4862379 A JP4862379 A JP 4862379A JP S6214896 B2 JPS6214896 B2 JP S6214896B2
- Authority
- JP
- Japan
- Prior art keywords
- optical
- semiconductor laser
- light
- information
- reading device
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 claims description 26
- 239000004065 semiconductor Substances 0.000 claims description 26
- 230000010287 polarization Effects 0.000 claims description 17
- 239000013078 crystal Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 2
- 230000015654 memory Effects 0.000 description 2
- VAUNMJNZQZLHJE-UHFFFAOYSA-N cobalt gadolinium Chemical compound [Co].[Gd] VAUNMJNZQZLHJE-UHFFFAOYSA-N 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Optical Head (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4862379A JPS55140968A (en) | 1979-04-19 | 1979-04-19 | Optical information reader |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4862379A JPS55140968A (en) | 1979-04-19 | 1979-04-19 | Optical information reader |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55140968A JPS55140968A (en) | 1980-11-04 |
JPS6214896B2 true JPS6214896B2 (en]) | 1987-04-04 |
Family
ID=12808524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4862379A Granted JPS55140968A (en) | 1979-04-19 | 1979-04-19 | Optical information reader |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55140968A (en]) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61174691A (ja) * | 1985-01-29 | 1986-08-06 | Rohm Co Ltd | 電子部品用半導体チツプのダイボンデング位置設定方法 |
-
1979
- 1979-04-19 JP JP4862379A patent/JPS55140968A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS55140968A (en) | 1980-11-04 |
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