{"updated":"2025-01-23T00:17:30.510730+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00015550","sets":["581:859:869"]},"path":["869"],"owner":"1","recid":"15550","title":["FDD小形高密度化とトラックフォーマットの検討"],"pubdate":{"attribute_name":"公開日","attribute_value":"1987-03-15"},"_buckets":{"deposit":"b8092a9f-c7ad-4fb6-9a25-57456f7c5f51"},"_deposit":{"id":"15550","pid":{"type":"depid","value":"15550","revision_id":0},"owners":[1],"status":"published","created_by":1},"item_title":"FDD小形高密度化とトラックフォーマットの検討","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"FDD小形高密度化とトラックフォーマットの検討"},{"subitem_title":"Smaller and Higher Density FDD and Track Formats","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"論文","subitem_subject_scheme":"Other"}]},"item_type_id":"2","publish_date":"1987-03-15","item_2_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"三菱電機（株）郡山製作所／現在　小西六写真工業（株）MD事業推進室"},{"subitem_text_value":"三菱電機（株）郡山製作所"},{"subitem_text_value":"三菱電機（株）郡山製作所"}]},"item_2_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Koriyama Works, Mitsubishi Electric Corporation","subitem_text_language":"en"},{"subitem_text_value":"Koriyama Works, Mitsubishi Electric Corporation","subitem_text_language":"en"},{"subitem_text_value":"Koriyama Works, Mitsubishi Electric Corporation","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/15550/files/IPSJ-JNL2803010.pdf"},"date":[{"dateType":"Available","dateValue":"1989-03-15"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-JNL2803010.pdf","filesize":[{"value":"590.6 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"8"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"97c8d533-022d-4623-96fa-cb13553df3bd","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 1987 by the Information Processing Society of Japan"}]},"item_2_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"磯崎, 眞"},{"creatorName":"廣野哲郎"},{"creatorName":"三浦, 広久"}],"nameIdentifiers":[{}]}]},"item_2_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Shin, Isozaki","creatorNameLang":"en"},{"creatorName":"Tetsuro, Hirono","creatorNameLang":"en"},{"creatorName":"Kokyu, Miura","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_2_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00116647","subitem_source_identifier_type":"NCID"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_6501","resourcetype":"journal article"}]},"item_2_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1882-7764","subitem_source_identifier_type":"ISSN"}]},"item_2_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"フレキシブルディスクヘの記録フォーマットはフレキシブルディスク装置(FDD)のヘッドR/W-E間寸法や回転精度等と密接な関係がある.その関係を定量的に整理し わかりやすい形で作表する方法について述べ FDD小形・高密度化に際しての新しい媒体標準の検討や装置設計の参考とする.さらに従来の記録フォーマットを維持しながら小形・高密度化するときに厳しくなる上記ヘッド寸法を緩和する方法として 書込時の消去遅延時間をトラック位置によって切り換える方法について述べ その具体的計算方法を示す.これを90mm高密度タイプについて例示し 13262ftprad (アンフォーマット1.6Mバイト形)で遅延時間切換えなしでR/W-E寸法0.4mmのところ 切り換えれば246バイト/セクタで0.5mm 512バイト/セクタでは0.7mmも可能であることがわかる.512バイト/セクタは回転精度が良い場合には有利である.","subitem_description_type":"Other"}]},"item_2_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"298","bibliographic_titles":[{"bibliographic_title":"情報処理学会論文誌"}],"bibliographicPageStart":"291","bibliographicIssueDates":{"bibliographicIssueDate":"1987-03-15","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"3","bibliographicVolumeNumber":"28"}]},"relation_version_is_last":true,"item_2_alternative_title_2":{"attribute_name":"その他タイトル","attribute_value_mlt":[{"subitem_alternative_title":"周辺・端末"}]},"weko_creator_id":"1"},"created":"2025-01-18T22:49:04.081728+00:00","id":15550,"links":{}}