JPS6437921U - - Google Patents

Info

Publication number

JPS6437921U

JPS6437921U JP1987130263U JP13026387U JPS6437921U JP S6437921 U JPS6437921 U JP S6437921U JP 1987130263 U JP1987130263 U JP 1987130263U JP 13026387 U JP13026387 U JP 13026387U JP S6437921 U JPS6437921 U JP S6437921U

Authority

JP

Japan

Prior art keywords

dots

optical

data recording

utility

model registration

Prior art date

1987-08-27

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
• 239000011888 foil Substances 0.000 claims description 2
• 239000002184 metal Substances 0.000 claims description 2
• 238000010586 diagram Methods 0.000 description 2
• 239000000463 material Substances 0.000 description 2
• 239000012790 adhesive layer Substances 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1