JPH0185923U - - Google Patents

Info

Publication number

JPH0185923U

JPH0185923U JP1987181649U JP18164987U JPH0185923U JP H0185923 U JPH0185923 U JP H0185923U JP 1987181649 U JP1987181649 U JP 1987181649U JP 18164987 U JP18164987 U JP 18164987U JP H0185923 U JPH0185923 U JP H0185923U

Authority

JP

Japan

Prior art keywords

layer

outer periphery

optical disk

information pits

reflective layer

Prior art date

1987-11-28

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 5
• 239000010410 layer Substances 0.000 description 2
• 238000007740 vapor deposition Methods 0.000 description 2
• XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
• 229910052782 aluminium Inorganic materials 0.000 description 1
• 239000011241 protective layer Substances 0.000 description 1
• 239000011347 resin Substances 0.000 description 1
• 229920005989 resin Polymers 0.000 description 1