JPS6444453U - - Google Patents
Info
- Publication number
- JPS6444453U JPS6444453U JP14026687U JP14026687U JPS6444453U JP S6444453 U JPS6444453 U JP S6444453U JP 14026687 U JP14026687 U JP 14026687U JP 14026687 U JP14026687 U JP 14026687U JP S6444453 U JPS6444453 U JP S6444453U
- Authority
- JP
- Japan
- Prior art keywords
- reference level
- pass filter
- reproduction signal
- scratch
- measuring 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14026687U JPS6444453U (sr) | 1987-09-14 | 1987-09-14 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14026687U JPS6444453U (sr) | 1987-09-14 | 1987-09-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6444453U true JPS6444453U (sr) | 1989-03-16 |
Family
ID=31404279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14026687U Pending JPS6444453U (sr) | 1987-09-14 | 1987-09-14 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6444453U (sr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7661187B2 (en) | 2004-12-15 | 2010-02-16 | Hitachi Global Storage Technologies Netherlands B.V. | Manufacturing method for magnetic disk drive |
-
1987
- 1987-09-14 JP JP14026687U patent/JPS6444453U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7661187B2 (en) | 2004-12-15 | 2010-02-16 | Hitachi Global Storage Technologies Netherlands B.V. | Manufacturing method for magnetic disk drive |