JPS6456020U - - Google Patents

Info

Publication number

JPS6456020U

JPS6456020U JP15193587U JP15193587U JPS6456020U JP S6456020 U JPS6456020 U JP S6456020U JP 15193587 U JP15193587 U JP 15193587U JP 15193587 U JP15193587 U JP 15193587U JP S6456020 U JPS6456020 U JP S6456020U

Authority

JP

Japan

Prior art keywords

support shaft

objective lens

optical pickup

protrusion

drive device

Prior art date

1987-10-02

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 10
• 239000000463 material Substances 0.000 claims description 4
• 239000011347 resin Substances 0.000 claims 2
• 229920005989 resin Polymers 0.000 claims 2
• BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims 2
• 239000004698 Polyethylene Substances 0.000 claims 1
• 230000007423 decrease Effects 0.000 claims 1
• 230000002093 peripheral effect Effects 0.000 claims 1
• -1 polyethylene Polymers 0.000 claims 1
• 229920000573 polyethylene Polymers 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 2
• 230000037431 insertion Effects 0.000 description 1
• 238000003780 insertion Methods 0.000 description 1
• 230000005389 magnetism Effects 0.000 description 1