Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YAMAMOTO Fumio,Special Issue on Key Technology of Miniaturization. Formfactor Reduction in Hard Disk Drive Technology.,Journal of the Japan Society for Precision Engineering,09120289,The Japan Society for Precision Engineering,1994,60,7,926-931,https://cir.nii.ac.jp/crid/1390001204763958144,https://doi.org/10.2493/jjspe.60.926