JPH01181131U - - Google Patents

Info

Publication number

JPH01181131U

JPH01181131U JP1988077284U JP7728488U JPH01181131U JP H01181131 U JPH01181131 U JP H01181131U JP 1988077284 U JP1988077284 U JP 1988077284U JP 7728488 U JP7728488 U JP 7728488U JP H01181131 U JPH01181131 U JP H01181131U

Authority

JP

Japan

Prior art keywords

layer

recording medium

optical information

information recording

substrate

Prior art date

1988-06-13

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
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• 239000010410 layer Substances 0.000 claims description 6
• 230000003287 optical effect Effects 0.000 claims description 5
• 239000011241 protective layer Substances 0.000 claims description 4
• 239000000758 substrate Substances 0.000 claims description 3
• 238000004519 manufacturing process Methods 0.000 description 1
• 229920002120 photoresistant polymer Polymers 0.000 description 1