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  • A fabrication study of surface acoustic wave devices for magnetic field detection

    Creator:
    Chin, Matthew L.
    Abstract:
    Surface acoustic wave (SAW) sensors are versatile devices that can be configured to sense a variety of measurands such as temperature and pressure. The potential use of surface acoustic wave devices for magnetic field detection is explored in this study. Compared to current magnetic field sensors, a sensor based on...
    Resource Type:
    Honors College Thesis
    Full Text:
    @engr.oregonstate.edu ©Copyright by Matthew L. Chin June 5th, 2006 All

  • Magnetically programmable surface acoustic wave devices for RFID applications

    Creator:
    Chin, Matthew
    Abstract:
    Magnetically programmable surface acoustic wave (MP SAW) devices were designed, fabricated and characterized in this thesis using integrated giant magnetoresistive (GMR) bits with interdigital reflectors. This provides a proof of concept of a novel storage element on radio frequency identification tags. Interdigital transducers (IDTs) on a piezoelectric substrate are used...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF Matthew Chin for the degree of

  • Hybrid electric vehicle dc-bus converter harmonics

    Creator:
    Mills-Price, Michael A.
    Abstract:
    As more advanced hybrid electric vehicles begin emerging onto the commercial market, design algorithms for their control become increasingly more complicated. One major hurdle for designers is the mitigation and control of the created high frequency harmonics caused from switching the dc voltage into an ac voltage by use of...
    Resource Type:
    Masters Thesis
    Full Text:
    way. The graduate committee representative Mr. Larry Chin, and department professor Dr. Jimmy

  • New Techniques for Multi-Channel Biosignal Acquisition and Low-Power, Low-Resistance-Measurement Systems

    Creator:
    Kim, Jinyong
    Abstract:
    Dense electrical recording of biosignals has been developed to provide spatial resolution and precise temporal information for health monitoring, diagnostics, and clinical research. However, more electrodes require more wires, and wiring density quickly becomes a limiting factor. To break this bottleneck, we proposed a frequency-division multiplexing (FDM) based architecture for...
    Resource Type:
    Dissertation
    Full Text:
    Systems Abstract approved: Matthew L. Johnston Dense electrical recordings of biosignals has been

  • Rapid Prototyping of Rigid & Flexible Microfluidic Devices Using Low-Cost Materials and Maker Tools

    Creator:
    Co, Megan T.
    Abstract:
    Microfluidics is an evolving field that focuses on the manipulation of small fluid volumes. Because of its micron-sized features, it is the basis for many lab-on-chip and point-of-care diagnostic devices. The devices are predominantly molded from polydimethylsiloxane (PDMS); however, production is a multi-hour or multi-day process that typically requires clean...
    Resource Type:
    Honors College Thesis
    Full Text:
    :_____________________________________________________ Matthew Johnston Microfluidics is an evolving field that focuses on the manipulation

  • Inside, Outside : Light and Dark

    Creator:
    Knotts, L. William
    Abstract:
    In a story of his life Les reflects on what he has gained and what he has lost while seeking success in the moving and shifting of military and academic life through homes and schools all over the United States. He describes himself as between races, languages, and cultures.
    Resource Type:
    Masters Thesis
    Full Text:
    THESIS OF L. William Knotts for the degree of Master of Arts in Interdisciplinary Studies, in the co

  • Headwater

    Creator:
    Martens, Jacob L.
    Abstract:
    These essays are an attempt to rebuild memories that explore the nature of work and family. They explore how work knocks against the joints of the body and against the joints between family members, and, as time passes, how the next generation inherits the family line of work only to...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF Jacob L Martens for the degree of

  • GOSEP: Georeferenced Oregon Soil Engineering Properties

    Creator:
    Dutille, Victoria L.
    Abstract:
    Geotechnical engineers design and analyze the interface between the natural and built environments, often based on uncertain and inherently variable data due to the nature of the building material, soil. Engineers must estimate the subsurface conditions at a site using historical, in-situ, and laboratory testing data. However, only discrete representative...
    Resource Type:
    Capstone Project
    Full Text:
    : ______________________________________________________ Dr. T. Matthew Evans and Dr. Armin Stuedlein Geotechnical engineers design and analyze the

  • Using Biodiversity Distribution Data to Support Landscape Conservation and Management in Colombia

    Creator:
    Zárrate-Charry, Diego A.
    Abstract:
    Global biodiversity decline is primarily driven by habitat loss. Deforestation, the primary driver of terrestrial habitat loss, is increasing worldwide, with the most significant impact in the world biodiversity hotspots. Sadly, specific knowledge of such impacts in biodiversity-rich but data-poor countries are still unknown, and many national and regional narratives...
    Resource Type:
    Dissertation
    Full Text:
    : ______________________________________________________ Matthew G. Betts Global biodiversity decline is primarily driven by habitat loss

  • Integrating Microfluidics and Integrated Circuits toward a CMOS-Based Cell Counter

    Creator:
    Bishop, Kevin W.
    Abstract:
    Cell counting is a key tool used in biological and clinical laboratories, but at present, commercial cell counters are large and expensive. CMOS technology is a promising platform for creating small, low-cost sensors but currently lacks a robust method of directly interfacing these sensors with the microfluidic networks needed for...
    Resource Type:
    Honors College Thesis
    Full Text:
    :_____________________________________________________ Matthew L. Johnston Cell counting is a key tool used in biological and clinical