{"id":"https://openalex.org/W33446879","doi":"https://doi.org/10.1117/12.997565","title":"L/G recording with 0.45-um track pitch in CAD-MSR disk","display_name":"L/G recording with 0.45-um track pitch in CAD-MSR disk","publication_year":1999,"publication_date":"1999-06-28","ids":{"openalex":"https://openalex.org/W33446879","doi":"https://doi.org/10.1117/12.997565","mag":"33446879"},"language":"en","primary_location":{"id":"doi:10.1117/12.997565","doi":"https://doi.org/10.1117/12.997565","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.997565","pdf_url":null,"source":{"id":"https://openalex.org/S4363606261","display_name":"Joint International Symposium on Optical Memory and Optical Data Storage","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Joint International Symposium on Optical Memory and Optical Data Storage 1999","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","is_traditional":true,"indexed_in":["crossref"],"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/A5102087156","display_name":"Yoshiteru Murakami","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405264947","display_name":"Sharp Corporation (Japan)","ror":"https://ror.org/03eekr767","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405264947"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoshiteru Murakami","raw_affiliation_strings":["Sharp Corp. (Japan)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sharp Corp. (Japan)","institution_ids":["https://openalex.org/I4405264947"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046469923","display_name":"Shunji Maeda","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405264947","display_name":"Sharp Corporation (Japan)","ror":"https://ror.org/03eekr767","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405264947"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shunji Maeda","raw_affiliation_strings":["Sharp Corp. (Japan)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sharp Corp. (Japan)","institution_ids":["https://openalex.org/I4405264947"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102412250","display_name":"Tetsu Watanabe","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210143797","display_name":"Sony (Japan)","ror":"https://ror.org/04wzv3n59","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210143797"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tetsu Watanabe","raw_affiliation_strings":["Sony Corp. (Japan)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sony Corp. (Japan)","institution_ids":["https://openalex.org/I4210143797"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050144186","display_name":"Akira Takahashi","orcid":"https://orcid.org/0000-0003-4289-9838","observed_orcids":["https://orcid.org/0000-0003-4289-9838"]},"institutions":[{"id":"https://openalex.org/I4405264947","display_name":"Sharp Corporation (Japan)","ror":"https://ror.org/03eekr767","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405264947"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Akira Takahashi","raw_affiliation_strings":["Sharp Corp. (Japan)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sharp Corp. (Japan)","institution_ids":["https://openalex.org/I4405264947"]}]},{"author_position":"last","author":{"id":null,"display_name":"Yasuhito Tanaka","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210143797","display_name":"Sony (Japan)","ror":"https://ror.org/04wzv3n59","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210143797"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yasuhito Tanaka","raw_affiliation_strings":["Sony Corp. (Japan)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sony Corp. (Japan)","institution_ids":["https://openalex.org/I4210143797"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.00623564,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"22","last_page":"22"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":0.5874000191688538,"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":0.5874000191688538,"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":0.22120000422000885,"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":0.04190000146627426,"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/magneto-optical-disk","display_name":"magneto-optical disk","score":0.753000020980835},{"id":"https://openalex.org/keywords/linear-recording-density","display_name":"linear recording density","score":0.7149999737739563}],"concepts":[{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.7078180313110352},{"id":"https://openalex.org/C89992363","wikidata":"https://www.wikidata.org/wiki/Q5961558","display_name":"Track (disk drive)","level":2,"score":0.6447805166244507},{"id":"https://openalex.org/C2779472054","wikidata":"https://www.wikidata.org/wiki/Q2377973","display_name":"Groove (engineering)","level":2,"score":0.5842558741569519},{"id":"https://openalex.org/C159108749","wikidata":"https://www.wikidata.org/wiki/Q898896","display_name":"Numerical aperture","level":3,"score":0.5780085921287537},{"id":"https://openalex.org/C6260449","wikidata":"https://www.wikidata.org/wiki/Q41364","display_name":"Wavelength","level":2,"score":0.5235671401023865},{"id":"https://openalex.org/C190352325","wikidata":"https://www.wikidata.org/wiki/Q1907514","display_name":"Area density","level":2,"score":0.5187128186225891},{"id":"https://openalex.org/C78336883","wikidata":"https://www.wikidata.org/wiki/Q4779385","display_name":"Aperture (computer memory)","level":2,"score":0.5169105529785156},{"id":"https://openalex.org/C21922175","wikidata":"https://www.wikidata.org/wiki/Q3105497","display_name":"Gigabit","level":2,"score":0.4849448502063751},{"id":"https://openalex.org/C1135709","wikidata":"https://www.wikidata.org/wiki/Q234870","display_name":"Optical disc","level":2,"score":0.48051154613494873},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.45213478803634644},{"id":"https://openalex.org/C15336307","wikidata":"https://www.wikidata.org/wiki/Q1766051","display_name":"Lens (geology)","level":2,"score":0.43977248668670654},{"id":"https://openalex.org/C2777289219","wikidata":"https://www.wikidata.org/wiki/Q7632154","display_name":"Substrate (aquarium)","level":2,"score":0.4197283387184143},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4192083477973938},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.20497387647628784},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.10323262214660645},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.0},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1117/12.997565","doi":"https://doi.org/10.1117/12.997565","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.997565","pdf_url":null,"source":{"id":"https://openalex.org/S4363606261","display_name":"Joint International Symposium on Optical Memory and Optical Data Storage","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Joint International Symposium on Optical Memory and Optical Data Storage 1999","raw_type":"proceedings-article"}],"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/W1986664299","https://openalex.org/W2164967998","https://openalex.org/W2062594813","https://openalex.org/W4241444028","https://openalex.org/W2009386674","https://openalex.org/W2513463892","https://openalex.org/W2166434934","https://openalex.org/W2148721896","https://openalex.org/W2094381777","https://openalex.org/W2021353796"],"abstract_inverted_index":{"A":[0],"6":[1],"GB":[2],"user-capacity":[3],"disk":[4,30],"with":[5,65,83,104],"a":[6,18,41,47,53],"120":[7],"mm-diameter":[8],"single":[9],"side":[10],"substrate":[11],"was":[12,73],"realized":[13],"by":[14],"the":[15,32,105],"use":[16],"of":[17,24,46,70],"center":[19],"aperture":[20,56],"detection":[21],"(CAD)":[22],"type":[23],"magnetically":[25],"induced":[26],"super":[27],"resolution":[28],"(MSR)":[29],"through":[31],"AS-MO":[33],"(Advanced":[34],"Storage":[35],"Magneto":[36],"Optical)":[37],"activity.":[38],"It":[39],"utilized":[40],"practical":[42],"optics":[43],"which":[44],"consists":[45],"640":[48],"nm":[49],"wavelength":[50],"laser":[51],"and":[52,59,61,99],"0.6":[54,71],"numerical":[55],"(NA)":[57],"lens,":[58],"land":[60],"groove":[62],"(L/G)":[63],"recording":[64],"an":[66],"effective":[67],"track":[68],"pitch":[69,97],"pm":[72],"realized.":[74],"The":[75],"areal":[76],"bit":[77],"density":[78,103],"reached":[79],"to":[80],"4.6":[81],"Gbit/in2":[82],"available":[84],"system":[85],"margins.":[86],"In":[87],"this":[88],"report,":[89],"we":[90],"present":[91],"improved":[92],"CADMSR":[93],"performance":[94],"at":[95,100],"narrower":[96],"tracks":[98],"higher":[101],"linear":[102],"same":[106],"optics.":[107]},"counts_by_year":[],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}