{"created":"2023-06-20T14:43:59.785748+00:00","id":11381,"links":{},"metadata":{"_buckets":{"deposit":"1dd5ceb5-65cf-48ee-8b18-4f223000debe"},"_deposit":{"created_by":1,"id":"11381","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"11381"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00011381","sets":["1543:1580:1594","1887:1891"]},"author_link":["100003","100002","100001","99998","100000","99999"],"item_5_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"Research on next generation semiconductor memory devices"}]},"item_5_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2005-09","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"532","bibliographicPageStart":"529","bibliographic_titles":[{"bibliographic_title":"第5回宇宙科学シンポジウム"},{"bibliographic_title":"Proceedings of the 5th Space Science Symposium","bibliographic_titleLang":"en"}]}]},"item_5_description_16":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"人工衛星に搭載する半導体(固体素子)式データ記録装置は、従来型のテープ式またはディスク式記録装置と比較して、データ読み書き速度(メモリアクセス速度)が速い。また駆動(回転)部が無いため機械的信頼性が高く、モーターなどの反作用による宇宙機への動的擾乱がない点でも有利である。しかし、記憶媒体として大量に搭載するメモリチップには、宇宙環境での高エネルギー放射線(粒子)によるシングルイベント現象(Single Event Upset:SEU)やトータルドーズ(Total Ionizing Dose:TID)効果への対策を取る必要がある。SEUは荷電粒子により半導体素子上の電荷が反転し0/1のビット反転を起こすものであり、TID効果は陽子・電子などが素子に長期間に渡り照射され物理的損傷(素子特性の劣化)を起こす。これら問題解決のため、(独)宇宙航空研究開発機構(JAXA)では衛星搭載用半導体メモリ装置(SSR)を民生部品・コンポーネント実証衛星(Mission Demonstration test Satellite-1:MDS-1)に搭載し各種実験を行った。軌道上実験は2002〜2003年に実施し、ビット誤り発生率や発生パターン、ドーズ量、温度・電流値などの有益なデータを取得すると共に、SSRの実環境での正常動作を確認した。MDS-1搭載SSRの軌道上実績を受け、JAXAではデータ記録容量、読み書き速度、質量、消費電力、ならびにソフトウェアの機能を向上した次世代のSSRを開発した。これは大量の高分解能画像データを扱う次期地球観測衛星などに適する。また将来的には音楽・映像など、マルチメディア配信用の蓄積サーバとして、放送衛星への適用も考えられる。本稿ではこのSSRの特徴、仕様、各種試験結果、およびMDS-1搭載SSRの実験結果(概略)について述べる。","subitem_description_type":"Abstract"}]},"item_5_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: AA0049122127","subitem_description_type":"Other"}]},"item_5_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"宇宙航空研究開発機構宇宙科学研究本部"}]},"item_5_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS)"}]},"item_5_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"宇宙航空研究開発機構 総合技術研究本部"},{"subitem_text_value":"宇宙航空研究開発機構 総合技術研究本部"},{"subitem_text_value":"宇宙航空研究開発機構 総合技術研究本部"}]},"item_5_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"Japan Aerospace Exploration Agency Institute of Space Technology and Aeronautics"},{"subitem_text_language":"en","subitem_text_value":"Japan Aerospace Exploration Agency Institute of Space Technology and Aeronautics"},{"subitem_text_language":"en","subitem_text_value":"Japan Aerospace Exploration Agency Institute of Space Technology and Aeronautics"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata only access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_14cb"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"市川, 愉"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"白倉, 政志"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"笹田, 武志"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Ichikawa, Satoshi","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Shirakura, Masashi","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Sasada, Takeshi","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"衛星搭載用コンピュータ","subitem_subject_scheme":"Other"},{"subitem_subject":"アーキテクチャ","subitem_subject_scheme":"Other"},{"subitem_subject":"ランダムアクセスメモリ","subitem_subject_scheme":"Other"},{"subitem_subject":"中央処理装置","subitem_subject_scheme":"Other"},{"subitem_subject":"RISCプロセッサ","subitem_subject_scheme":"Other"},{"subitem_subject":"コンピュータ設計","subitem_subject_scheme":"Other"},{"subitem_subject":"誤り検出コード","subitem_subject_scheme":"Other"},{"subitem_subject":"誤り訂正コード","subitem_subject_scheme":"Other"},{"subitem_subject":"1ビット誤り訂正-2ビット誤り検出","subitem_subject_scheme":"Other"},{"subitem_subject":"誤り検出/訂正","subitem_subject_scheme":"Other"},{"subitem_subject":"リアルタイムOS","subitem_subject_scheme":"Other"},{"subitem_subject":"spaceborne computer","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"architecture","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"random access memory","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"central processing unit","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"RISC processor","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"computer design","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"error detection code","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"error correcting code","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"single error correction-double error detection","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"error detection and correction","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"real time OS","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"conference paper","resourceuri":"http://purl.org/coar/resource_type/c_5794"}]},"item_title":"次世代半導体メモリ装置の研究","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"次世代半導体メモリ装置の研究"}]},"item_type_id":"5","owner":"1","path":["1594","1891"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-03-26"},"publish_date":"2015-03-26","publish_status":"0","recid":"11381","relation_version_is_last":true,"title":["次世代半導体メモリ装置の研究"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-06-21T06:38:10.946765+00:00"}