Microfluidic resonators with two parallel channels for independent sample loading and effective density tuning

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dc.contributor.authorLee, Jungchulko
dc.contributor.authorKhan, Faheemko
dc.contributor.authorThundat, Thomasko
dc.contributor.authorLee, Bong Jaeko
dc.date.accessioned2020-12-01T01:30:06Z-
dc.date.available2020-12-01T01:30:06Z-
dc.date.created2020-10-28-
dc.date.created2020-10-28-
dc.date.created2020-10-28-
dc.date.issued2020-10-
dc.identifier.citationMICRO AND NANO SYSTEMS LETTERS, v.8, no.16, pp.1 - 7-
dc.identifier.issn2213-9621-
dc.identifier.urihttp://hdl.handle.net/10203/277806-
dc.description.abstractThis paper reports doubly clamped microchannel embedded resonators with two independent and parallel channels integrated for effective sample density tuning for the first time. With the aid of such a unique design, each fluidic channel can be independently accessed thus different liquid samples can be loaded simultaneously. The proposed fluidic resonators are batch fabricated by depositing silicon nitride, polysilicon, and silicon nitride sequentially on top of a set of 4-inch silicon wafers and sacrificing the middle polysilicon layer with potassium hydroxide (KOH). The sacrificial process defines two parallel channels and releases doubly clamped beam resonators simultaneously. In addition, an off-chip vacuum clamp with optical and fluidic access is custom-made to operate each resonator with enhanced quality factor. The microfluidic resonators mounted on the custom vacuum clamp are thoroughly characterized with a laser Doppler vibrometer and used to measure the effective sample density ranging from 395 to 998 kg/m3.-
dc.languageEnglish-
dc.publisherSPRINGERNATURE-
dc.titleMicrofluidic resonators with two parallel channels for independent sample loading and effective density tuning-
dc.typeArticle-
dc.type.rimsART-
dc.citation.volume8-
dc.citation.issue16-
dc.citation.beginningpage1-
dc.citation.endingpage7-
dc.citation.publicationnameMICRO AND NANO SYSTEMS LETTERS-
dc.identifier.doi10.1186/s40486-020-00119-8-
dc.contributor.localauthorLee, Jungchul-
dc.contributor.localauthorLee, Bong Jae-
dc.contributor.nonIdAuthorKhan, Faheem-
dc.contributor.nonIdAuthorThundat, Thomas-
dc.description.isOpenAccessY-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorBatch fabrication-
dc.subject.keywordAuthorDensity sensing-
dc.subject.keywordAuthorDensity tuning-
dc.subject.keywordAuthorMicrofluidic resonator-
dc.subject.keywordAuthorSacrificial process-
dc.subject.keywordAuthorVacuum clamp-

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