JPH01109876U - - Google Patents

Info

Publication number

JPH01109876U

JPH01109876U JP312288U JP312288U JPH01109876U JP H01109876 U JPH01109876 U JP H01109876U JP 312288 U JP312288 U JP 312288U JP 312288 U JP312288 U JP 312288U JP H01109876 U JPH01109876 U JP H01109876U

Authority

JP

Japan

Prior art keywords

recording medium

magnetic recording

jacket case

center hole

peripheral surface

Prior art date

1988-01-14

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

• 230000002093 peripheral effect Effects 0.000 claims description 2
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
• 229910000684 Cobalt-chrome Inorganic materials 0.000 description 1
• 229910002555 FeNi Inorganic materials 0.000 description 1
• 229910052799 carbon Inorganic materials 0.000 description 1
• 239000010952 cobalt-chrome Substances 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 239000012528 membrane Substances 0.000 description 1
• 229920000642 polymer Polymers 0.000 description 1
• 239000000758 substrate Substances 0.000 description 1