Unit for driving of objective

Unit for driving of objective

Disclosed is an objective actuator comprising an object lens holder for holding an object lens, the object lens holder being mounted on a support shaft in a manner that the object lens holder is slidable along and rotatable about the support shaft; a drive coil mounted on the object lens holder; fir...

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Hauptverfasser: AYAO KASUGA, FUMIO OHAYASHI, AKIRA MIYASAKI
Format: Patent
Sprache:eng
Schlagworte:
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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creator AYAO KASUGA
FUMIO OHAYASHI
AKIRA MIYASAKI
description Disclosed is an objective actuator comprising an object lens holder for holding an object lens, the object lens holder being mounted on a support shaft in a manner that the object lens holder is slidable along and rotatable about the support shaft; a drive coil mounted on the object lens holder; first yoke provided with drive magnets, the first yoke being mounted in such manner that the drive magnets confront with the drive coil, the first yoke having a center hole which is larger in diameter than the support shaft, the first yoke and the support shaft are integrally connected by molding; and shaft holding member defined by filling a resin at the center hole of the first yoke, the shaft holding member including a base portion.
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a drive coil mounted on the object lens holder; first yoke provided with drive magnets, the first yoke being mounted in such manner that the drive magnets confront with the drive coil, the first yoke having a center hole which is larger in diameter than the support shaft, the first yoke and the support shaft are integrally connected by molding; and shaft holding member defined by filling a resin at the center hole of the first yoke, the shaft holding member including a base portion.</description><edition>6</edition><language>eng</language><subject>INFORMATION STORAGE ; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER ; PHYSICS</subject><creationdate>1999</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19990728&amp;DB=EPODOC&amp;CC=CN&amp;NR=1044417C$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19990728&amp;DB=EPODOC&amp;CC=CN&amp;NR=1044417C$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>AYAO KASUGA</creatorcontrib><creatorcontrib>FUMIO OHAYASHI</creatorcontrib><creatorcontrib>AKIRA MIYASAKI</creatorcontrib><title>Unit for driving of objective</title><description>Disclosed is an objective actuator comprising an object lens holder for holding an object lens, the object lens holder being mounted on a support shaft in a manner that the object lens holder is slidable along and rotatable about the support shaft; 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FUMIO OHAYASHI ; AKIRA MIYASAKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN1044417CC3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1999</creationdate><topic>INFORMATION STORAGE</topic><topic>INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>AYAO KASUGA</creatorcontrib><creatorcontrib>FUMIO OHAYASHI</creatorcontrib><creatorcontrib>AKIRA MIYASAKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>AYAO KASUGA</au><au>FUMIO OHAYASHI</au><au>AKIRA MIYASAKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Unit for driving of objective</title><date>1999-07-28</date><risdate>1999</risdate><abstract>Disclosed is an objective actuator comprising an object lens holder for holding an object lens, the object lens holder being mounted on a support shaft in a manner that the object lens holder is slidable along and rotatable about the support shaft; a drive coil mounted on the object lens holder; first yoke provided with drive magnets, the first yoke being mounted in such manner that the drive magnets confront with the drive coil, the first yoke having a center hole which is larger in diameter than the support shaft, the first yoke and the support shaft are integrally connected by molding; and shaft holding member defined by filling a resin at the center hole of the first yoke, the shaft holding member including a base portion.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record>
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subjects INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
title Unit for driving of objective
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