A wallet-sized data card includes a magneto-optic active region configured for rotational recording of data. A fender projecting outwardly from the card is disposed adjacent an outer circumference of the recording region for protecting the magneto-optic recording region.
申请公布号
KR960000643(Y1)
申请公布日期
1996.01.25
申请号
KR19890004316U
申请日期
1989.04.07
申请人
MINNESOTA MINING & MANUFACTURING CO., LTD.
发明人
VOGELGESANG, PETER JOHN;ULSETH, JOHN WAD;GLORGINI, WORMAN L.;EDWARDS, JATHAN D.
