JPH0349625U - - Google Patents

Info

Publication number

JPH0349625U

JPH0349625U JP10943389U JP10943389U JPH0349625U JP H0349625 U JPH0349625 U JP H0349625U JP 10943389 U JP10943389 U JP 10943389U JP 10943389 U JP10943389 U JP 10943389U JP H0349625 U JPH0349625 U JP H0349625U

Authority

JP

Japan

Prior art keywords

optical disk

semiconductor lasers

disk surface

high frequency

diagram showing

Prior art date

1989-09-19

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

• Espacenet
• Global Dossier
• Discuss

• 230000003287 optical effect Effects 0.000 claims description 8
• 239000004065 semiconductor Substances 0.000 claims 2
• 238000010586 diagram Methods 0.000 description 5
• 238000001514 detection method Methods 0.000 description 2