OPTICAL SCANNING DEVICE AND METHOD FOR MANUFACTURING THE SAME, AND DISTANCE MEASURING DEVICE
An optical scanning device includes a reflector as a MEMS mirror having a reflection surface of a metal film, a support body, a drive beam, and a drive unit. The support body is disposed to be spaced from the reflector so as to surround the reflector. The drive beam connects the reflector and the su...
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| creator | SHIRAYANAGI, Yusuke KAJIYAMA, Yoshitaka |
| description | An optical scanning device includes a reflector as a MEMS mirror having a reflection surface of a metal film, a support body, a drive beam, and a drive unit. The support body is disposed to be spaced from the reflector so as to surround the reflector. The drive beam connects the reflector and the support body. A first protection film is formed all over opposite side surfaces including side wall surfaces of a second semiconductor layer, as well as an upper surface and a lower surface, in the drive beam. As the first protection film, a silicon oxide film, a silicon nitride film, an alumina film, or a titania film is formed by an atomic layer deposition method. |
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The support body is disposed to be spaced from the reflector so as to surround the reflector. The drive beam connects the reflector and the support body. A first protection film is formed all over opposite side surfaces including side wall surfaces of a second semiconductor layer, as well as an upper surface and a lower surface, in the drive beam. As the first protection film, a silicon oxide film, a silicon nitride film, an alumina film, or a titania film is formed by an atomic layer deposition method.</description><language>eng</language><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES ; MEASURING ; MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICALDEVICES ; MICROSTRUCTURAL TECHNOLOGY ; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICS ; PERFORMING OPERATIONS ; PHYSICS ; PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTUREOR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS ; RADIO DIRECTION-FINDING ; RADIO NAVIGATION ; TESTING ; TRANSPORTING</subject><creationdate>2023</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&date=20230330&DB=EPODOC&CC=US&NR=2023094213A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230330&DB=EPODOC&CC=US&NR=2023094213A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHIRAYANAGI, Yusuke</creatorcontrib><creatorcontrib>KAJIYAMA, Yoshitaka</creatorcontrib><title>OPTICAL SCANNING DEVICE AND METHOD FOR MANUFACTURING THE SAME, AND DISTANCE MEASURING DEVICE</title><description>An optical scanning device includes a reflector as a MEMS mirror having a reflection surface of a metal film, a support body, a drive beam, and a drive unit. The support body is disposed to be spaced from the reflector so as to surround the reflector. The drive beam connects the reflector and the support body. A first protection film is formed all over opposite side surfaces including side wall surfaces of a second semiconductor layer, as well as an upper surface and a lower surface, in the drive beam. As the first protection film, a silicon oxide film, a silicon nitride film, an alumina film, or a titania film is formed by an atomic layer deposition method.</description><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</subject><subject>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</subject><subject>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</subject><subject>MEASURING</subject><subject>MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICALDEVICES</subject><subject>MICROSTRUCTURAL TECHNOLOGY</subject><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTUREOR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS</subject><subject>RADIO DIRECTION-FINDING</subject><subject>RADIO NAVIGATION</subject><subject>TESTING</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZIjxDwjxdHb0UQh2dvTz8_RzV3BxDfN0dlVw9HNR8HUN8fB3UXDzD1LwdfQLdXN0DgkNAqkJ8XBVCHb0ddUBK3PxDA5x9APq8XV1DIYogBjCw8CalphTnMoLpbkZlN1cQ5w9dFML8uNTiwsSk1PzUkviQ4ONDIyMDSxNjAyNHQ2NiVMFADjkMrM</recordid><startdate>20230330</startdate><enddate>20230330</enddate><creator>SHIRAYANAGI, Yusuke</creator><creator>KAJIYAMA, Yoshitaka</creator><scope>EVB</scope></search><sort><creationdate>20230330</creationdate><title>OPTICAL SCANNING DEVICE AND METHOD FOR MANUFACTURING THE SAME, AND DISTANCE MEASURING DEVICE</title><author>SHIRAYANAGI, Yusuke ; KAJIYAMA, Yoshitaka</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2023094213A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2023</creationdate><topic>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</topic><topic>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</topic><topic>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</topic><topic>MEASURING</topic><topic>MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICALDEVICES</topic><topic>MICROSTRUCTURAL TECHNOLOGY</topic><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTUREOR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS</topic><topic>RADIO DIRECTION-FINDING</topic><topic>RADIO NAVIGATION</topic><topic>TESTING</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>SHIRAYANAGI, Yusuke</creatorcontrib><creatorcontrib>KAJIYAMA, Yoshitaka</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SHIRAYANAGI, Yusuke</au><au>KAJIYAMA, Yoshitaka</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>OPTICAL SCANNING DEVICE AND METHOD FOR MANUFACTURING THE SAME, AND DISTANCE MEASURING DEVICE</title><date>2023-03-30</date><risdate>2023</risdate><abstract>An optical scanning device includes a reflector as a MEMS mirror having a reflection surface of a metal film, a support body, a drive beam, and a drive unit. The support body is disposed to be spaced from the reflector so as to surround the reflector. The drive beam connects the reflector and the support body. A first protection film is formed all over opposite side surfaces including side wall surfaces of a second semiconductor layer, as well as an upper surface and a lower surface, in the drive beam. As the first protection film, a silicon oxide film, a silicon nitride film, an alumina film, or a titania film is formed by an atomic layer deposition method.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICALDEVICES MICROSTRUCTURAL TECHNOLOGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTUREOR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING TRANSPORTING |
| title | OPTICAL SCANNING DEVICE AND METHOD FOR MANUFACTURING THE SAME, AND DISTANCE MEASURING DEVICE |
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