Shape memory alloy actuators and methods thereof
An actuator comprises a beam between fixed and movable ends of the actuator, a first contact 1110b on the fixed end, a second contact 1110a on the moveable end and electrically coupled to the beam, and a shape memory alloy (SMA) material, such as a wire or ribbon, coupled with the first and second c...
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| creator | Nathaniel K Behning Dean E Myers Michael W Davis Mark A. Miller |
| description | An actuator comprises a beam between fixed and movable ends of the actuator, a first contact 1110b on the fixed end, a second contact 1110a on the moveable end and electrically coupled to the beam, and a shape memory alloy (SMA) material, such as a wire or ribbon, coupled with the first and second contacts. A centre feed (1204, figure 12) may be arranged between the first and second contacts, electrically isolated from the beam and electrically coupled to a contact layer. Instead, the first contact may supply current to the SMA material. The SMA material may be electrically coupled to the first and/or second contacts using a resistance weld covered with a bond adhesive. An actuator system may comprise four, eight or twelve actuators. An autofocus system may comprise more than one actuator system. |
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Miller</creatorcontrib><description>An actuator comprises a beam between fixed and movable ends of the actuator, a first contact 1110b on the fixed end, a second contact 1110a on the moveable end and electrically coupled to the beam, and a shape memory alloy (SMA) material, such as a wire or ribbon, coupled with the first and second contacts. A centre feed (1204, figure 12) may be arranged between the first and second contacts, electrically isolated from the beam and electrically coupled to a contact layer. Instead, the first contact may supply current to the SMA material. The SMA material may be electrically coupled to the first and/or second contacts using a resistance weld covered with a bond adhesive. An actuator system may comprise four, eight or twelve actuators. An autofocus system may comprise more than one actuator system.</description><language>eng</language><subject>ACCESSORIES THEREFOR ; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES ; APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM ; BLASTING ; CINEMATOGRAPHY ; ELECTROGRAPHY ; HEATING ; HOLOGRAPHY ; LIGHTING ; MACHINES OR ENGINES FOR LIQUIDS ; MECHANICAL ENGINEERING ; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOTOTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISEPROVIDED FOR ; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICS ; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR ; PHOTOGRAPHY ; PHYSICS ; PRODUCING MECHANICAL POWER ; SPRING, WEIGHT, INERTIA OR LIKE MOTORS ; WEAPONS ; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS</subject><creationdate>2022</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=20220720&DB=EPODOC&CC=GB&NR=2602950A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220720&DB=EPODOC&CC=GB&NR=2602950A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Nathaniel K Behning</creatorcontrib><creatorcontrib>Dean E Myers</creatorcontrib><creatorcontrib>Michael W Davis</creatorcontrib><creatorcontrib>Mark A. Miller</creatorcontrib><title>Shape memory alloy actuators and methods thereof</title><description>An actuator comprises a beam between fixed and movable ends of the actuator, a first contact 1110b on the fixed end, a second contact 1110a on the moveable end and electrically coupled to the beam, and a shape memory alloy (SMA) material, such as a wire or ribbon, coupled with the first and second contacts. A centre feed (1204, figure 12) may be arranged between the first and second contacts, electrically isolated from the beam and electrically coupled to a contact layer. Instead, the first contact may supply current to the SMA material. The SMA material may be electrically coupled to the first and/or second contacts using a resistance weld covered with a bond adhesive. An actuator system may comprise four, eight or twelve actuators. An autofocus system may comprise more than one actuator system.</description><subject>ACCESSORIES THEREFOR</subject><subject>APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES</subject><subject>APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM</subject><subject>BLASTING</subject><subject>CINEMATOGRAPHY</subject><subject>ELECTROGRAPHY</subject><subject>HEATING</subject><subject>HOLOGRAPHY</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES FOR LIQUIDS</subject><subject>MECHANICAL ENGINEERING</subject><subject>MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOTOTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISEPROVIDED FOR</subject><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICS</subject><subject>OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR</subject><subject>PHOTOGRAPHY</subject><subject>PHYSICS</subject><subject>PRODUCING MECHANICAL POWER</subject><subject>SPRING, WEIGHT, INERTIA OR LIKE MOTORS</subject><subject>WEAPONS</subject><subject>WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAIzkgsSFXITc3NL6pUSMzJyQeSySWliSX5RcUKiXkpQKmSjPyUYoWSjNSi1Pw0HgbWtMSc4lReKM3NIO_mGuLsoZtakB-fWlyQmJyal1oS7-5kZGZgZGlq4GhMWAUAxDQqiA</recordid><startdate>20220720</startdate><enddate>20220720</enddate><creator>Nathaniel K Behning</creator><creator>Dean E Myers</creator><creator>Michael W Davis</creator><creator>Mark A. 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Miller</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Nathaniel K Behning</au><au>Dean E Myers</au><au>Michael W Davis</au><au>Mark A. Miller</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Shape memory alloy actuators and methods thereof</title><date>2022-07-20</date><risdate>2022</risdate><abstract>An actuator comprises a beam between fixed and movable ends of the actuator, a first contact 1110b on the fixed end, a second contact 1110a on the moveable end and electrically coupled to the beam, and a shape memory alloy (SMA) material, such as a wire or ribbon, coupled with the first and second contacts. A centre feed (1204, figure 12) may be arranged between the first and second contacts, electrically isolated from the beam and electrically coupled to a contact layer. Instead, the first contact may supply current to the SMA material. The SMA material may be electrically coupled to the first and/or second contacts using a resistance weld covered with a bond adhesive. An actuator system may comprise four, eight or twelve actuators. An autofocus system may comprise more than one actuator system.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM BLASTING CINEMATOGRAPHY ELECTROGRAPHY HEATING HOLOGRAPHY LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOTOTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISEPROVIDED FOR OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PHOTOGRAPHY PHYSICS PRODUCING MECHANICAL POWER SPRING, WEIGHT, INERTIA OR LIKE MOTORS WEAPONS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS |
| title | Shape memory alloy actuators and methods thereof |
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