{"title":"利用干膜光刻胶在无边缘生长的深硅沟槽中电沉积坡莫合金","authors":"Sangwon Park, D. Senesky, A. Pisano","doi":"10.1109/MEMSYS.2009.4805476","DOIUrl":null,"url":null,"abstract":"An electrodeposition process for embedding NiFe alloys in deep silicon trenches (100 ¿m) without edge-overgrowth was developed by utilizing dry film photoresist as a sacrificial trench top. The dry film photoresist prevented high concentration of current flux at the trench edges during electrodeposition leading to planar deposition topographies. In addition, the effect of the applied current density on material composition of the electrodeposited NiFe film was investigated, and the composition for permalloy (Ni80Fe20) was obtained with a current density of 100 mA/cm2. Furthermore, the B-H response of the electrodeposited permalloy films exhibited a saturation magnetic flux density and relative permeability of 1.23 Tesla and 82, respectively. The electrodeposition technique developed in this work was utilized to fabricate a free-standing MEMS electromagnetic linear actuator composed of silicon and permalloy structures.","PeriodicalId":187850,"journal":{"name":"2009 IEEE 22nd International Conference on Micro Electro Mechanical Systems","volume":"16 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2009-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"Electrodeposition of Permalloy in Deep Silicon Trenches Without Edge-Overgrowth Utilizing Dry Film Photoresist\",\"authors\":\"Sangwon Park, D. Senesky, A. Pisano\",\"doi\":\"10.1109/MEMSYS.2009.4805476\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"An electrodeposition process for embedding NiFe alloys in deep silicon trenches (100 ¿m) without edge-overgrowth was developed by utilizing dry film photoresist as a sacrificial trench top. The dry film photoresist prevented high concentration of current flux at the trench edges during electrodeposition leading to planar deposition topographies. In addition, the effect of the applied current density on material composition of the electrodeposited NiFe film was investigated, and the composition for permalloy (Ni80Fe20) was obtained with a current density of 100 mA/cm2. Furthermore, the B-H response of the electrodeposited permalloy films exhibited a saturation magnetic flux density and relative permeability of 1.23 Tesla and 82, respectively. The electrodeposition technique developed in this work was utilized to fabricate a free-standing MEMS electromagnetic linear actuator composed of silicon and permalloy structures.\",\"PeriodicalId\":187850,\"journal\":{\"name\":\"2009 IEEE 22nd International Conference on Micro Electro Mechanical Systems\",\"volume\":\"16 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2009-03-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2009 IEEE 22nd International Conference on Micro Electro Mechanical Systems\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/MEMSYS.2009.4805476\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2009 IEEE 22nd International Conference on Micro Electro Mechanical Systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MEMSYS.2009.4805476","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Electrodeposition of Permalloy in Deep Silicon Trenches Without Edge-Overgrowth Utilizing Dry Film Photoresist
An electrodeposition process for embedding NiFe alloys in deep silicon trenches (100 ¿m) without edge-overgrowth was developed by utilizing dry film photoresist as a sacrificial trench top. The dry film photoresist prevented high concentration of current flux at the trench edges during electrodeposition leading to planar deposition topographies. In addition, the effect of the applied current density on material composition of the electrodeposited NiFe film was investigated, and the composition for permalloy (Ni80Fe20) was obtained with a current density of 100 mA/cm2. Furthermore, the B-H response of the electrodeposited permalloy films exhibited a saturation magnetic flux density and relative permeability of 1.23 Tesla and 82, respectively. The electrodeposition technique developed in this work was utilized to fabricate a free-standing MEMS electromagnetic linear actuator composed of silicon and permalloy structures.
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