{"id":"https://openalex.org/W437801212","doi":null,"title":"3-4 REACHING THE 100MILLION BITS/CM2 ON MAGNETIC TAPE WITH OPTICAL HEAD","display_name":"3-4 REACHING THE 100MILLION BITS/CM2 ON MAGNETIC TAPE WITH OPTICAL HEAD","publication_year":1992,"publication_date":"1992-07-28","ids":{"openalex":"https://openalex.org/W437801212","mag":"437801212"},"language":"ja","primary_location":{"id":"mag:437801212","doi":null,"is_oa":false,"landing_page_url":"http://ci.nii.ac.jp/naid/110004778259","pdf_url":null,"source":{"id":"https://openalex.org/S4306547157","display_name":"\u30c6\u30ec\u30d3\u30b8\u30e7\u30f3\u5b66\u4f1a\u5168\u56fd\u5927\u4f1a\u8b1b\u6f14\u4e88\u7a3f\u96c6","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"\u30c6\u30ec\u30d3\u30b8\u30e7\u30f3\u5b66\u4f1a\u5e74\u6b21\u5927\u4f1a\u8b1b\u6f14\u4e88\u7a3f\u96c6","raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5111605116","display_name":"J. C. Lehureau","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J.C. Lehureau","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032234022","display_name":"C. Maillot","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"C. Maillot","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":null,"display_name":"Frederick Denison Maurice","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Frederick Denison Maurice","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":"28","first_page":"57","last_page":"58"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":0.8295999765396118,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":0.8295999765396118,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10049","display_name":"Magnetic properties of thin films","score":0.05009999871253967,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11315","display_name":"Phase-change materials and chalcogenides","score":0.0142000000923872,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/magnetic-tape","display_name":"magnetic tape","score":0.7910000085830688},{"id":"https://openalex.org/keywords/optical-pickup","display_name":"optical pickup","score":0.8840000033378601},{"id":"https://openalex.org/keywords/data-storage-density","display_name":"data storage density","score":0.574999988079071},{"id":"https://openalex.org/keywords/recording-density","display_name":"recording density","score":0.4970000088214874},{"id":"https://openalex.org/keywords/optical-recording","display_name":"optical recording","score":0.5370000004768372}],"concepts":[{"id":"https://openalex.org/C2780312720","wikidata":"https://www.wikidata.org/wiki/Q5689100","display_name":"Head (geology)","level":2,"score":0.7262959480285645},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.42500314116477966},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.39510273933410645},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.38318634033203125},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.3400951325893402},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2854762077331543},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16590189933776855},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.16172394156455994},{"id":"https://openalex.org/C114793014","wikidata":"https://www.wikidata.org/wiki/Q52109","display_name":"Geomorphology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:437801212","doi":null,"is_oa":false,"landing_page_url":"http://ci.nii.ac.jp/naid/110004778259","pdf_url":null,"source":{"id":"https://openalex.org/S4306547157","display_name":"\u30c6\u30ec\u30d3\u30b8\u30e7\u30f3\u5b66\u4f1a\u5168\u56fd\u5927\u4f1a\u8b1b\u6f14\u4e88\u7a3f\u96c6","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"\u30c6\u30ec\u30d3\u30b8\u30e7\u30f3\u5b66\u4f1a\u5e74\u6b21\u5927\u4f1a\u8b1b\u6f14\u4e88\u7a3f\u96c6","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2185203466","https://openalex.org/W2048439085","https://openalex.org/W2154501665","https://openalex.org/W829625174","https://openalex.org/W2584024297","https://openalex.org/W4252867577","https://openalex.org/W2463443709","https://openalex.org/W7128561949","https://openalex.org/W2567822893","https://openalex.org/W316998621"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}