Browsing MIT Open Access Articles by Title
Now showing items 10454-10473 of 34441
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The F-theory geometry with most flux vacua
(Springer Berlin Heidelberg, 2015-12)Applying the Ashok-Denef-Douglas estimation method to elliptic Calabi-Yau fourfolds suggests that a single elliptic fourfold M[subscript max] gives rise to O(10[superscript 272,000]) F-theory flux vacua, and that the ... -
Fab forms: customizable objects for fabrication with validity and geometry caching
(Association for Computing Machinery (ACM), 2015-08)We address the problem of allowing casual users to customize parametric models while maintaining their valid state as 3D-printable functional objects. We define Fab Form as any design representation that lends itself to ... -
Fabricating BRDFs at high spatial resolution using wave optics
(Association for Computing Machinery (ACM), 2013-07)Recent attempts to fabricate surfaces with custom reflectance functions boast impressive angular resolution, yet their spatial resolution is limited. In this paper we present a method to construct spatially varying reflectance ... -
Fabrication and Characterization of an Integrated Microsystem for Protein Preconcentration and Sensing
(Institute of Electrical and Electronics Engineers, 2011-02)We report on a fabrication and packaging process for a microsystem consisting of a mass-based protein detector and a fully integrated preconcentrator. Preconcentration of protein is achieved by means of a nanofluidic ... -
Fabrication and characterization of As[subscript 2]S[subscript 3]/Y[subscript 3]Fe[subscript 5]O[subscript 12] and Y[subscript 3]Fe[subscript 5]O[subscript 12]/SOI strip-loaded waveguides for integrated optical isolator applications
(Society of Photo-optical Instrumentation Engineers, 2010-01)We report two novel strategies to integrate magneto-optical oxides on oxidized silicon and SOI platforms based on strip-loaded waveguide structures. By using conventional waveguide fabrication and thin film deposition ... -
Fabrication and characterization of fibers with built-in liquid crystal channels and electrodes for transverse incident-light modulation
(American Institute of Physics (AIP), 2012-07)We report on an all-in-fiber liquid crystal (LC) structure designed for the modulation of light incident transverse to the fiber axis. A hollow cavity flanked by viscous conductors is introduced into a polymer matrix, and ... -
Fabrication and Characterization of Recombinant Silk‐Elastin‐Like‐Protein (SELP) Fiber
(Wiley, 2018-11)Silk-elastin-like-protein polymers (SELPs) are genetically engineered recombinant protein sequences consisting of repeating units of silk-like and elastin-like blocks. By combining these entities, it is shown that both the ... -
Fabrication and characterization of thermally drawn fiber capacitors
(American Institute of Physics (AIP), 2013-04)We report on the fabrication of all-in-fiber capacitors with poly(vinylidene fluoride) (PVDF) as the dielectric material. Electrodes made of conductive polymer are separated by a PVDF thin film within a polycarbonate casing ... -
Fabrication and Characterization of Through-Substrate Interconnects
(Institute of Electrical and Electronics Engineers, 2010-05)We developed a through-substrate copper-damascene interconnect technology in silicon with minimal impedance. Via impedance was extracted using parameter measurements at 50 GHz that were matched to simple circuit models. ... -
Fabrication and heating rate study of microscopic surface electrode ion traps
(Institute of Physics Publishing, 2011-01)We report heating rate measurements in a microfabricated gold-on-sapphire surface electrode ion trap with a trapping height of approximately 240 μm. Using the Doppler recooling method, we characterize the trap heating rates ... -
Fabrication and morphology tuning of graphene oxide nanoscrolls
(Royal Society of Chemistry, 2016-02)Here we report the synthesis of graphene oxide nanoscrolls (GONS) with tunable dimensions via low and high frequency ultrasound solution processing techniques. GONS can be visualized as a graphene oxide (GO) sheet rolled ... -
Fabrication and performance of blazed transmission gratings for x-ray astronomy
(The International Society for Optical Engineering, 2008-07)We have developed a new type of soft x-ray diffraction grating. This critical-angle transmission (CAT) grating combines the advantages of traditional transmission gratings (low mass, extremely relaxed alignment and flatness ... -
Fabrication and Performance of Silicon-Embedded Permanent-Magnet Microgenerators
(Institute of Electrical and Electronics Engineers (IEEE), 2010-02)This paper focuses on the design, fabrication, and characterization of silicon-packaged permanent-magnet (PM) microgenerators. The use of silicon packaging favors fine control on shape and dimensions in batch fabrication ... -
Fabrication and process characterization of atom transistor chips
(Institute of Electrical and Electronics Engineers, 2009-10)This paper describes the design and fabrication of an atom chip for atom tunneling experiments. A fabrication process was developed that uses a combination of UV-optical and Electron-Beam lithography to pattern micrometer ... -
Fabrication and Thermal Budget Considerations of Advanced Ge and InP SOLES Substrates
(Electrochemical Society, 2015-05)The Silicon on Lattice Engineered Substrate (SOLES) platform enables monolithic integration of III-V compound semiconductor (III-V) and silicon (Si) complementary metal oxide semiconductor (CMOS) devices. The SOLES wafer ... -
Fabrication and Wettability Study of WO[subscript 3] Coated Photocatalytic Membrane for Oil-Water Separation: A Comparative Study with ZnO Coated Membrane
(Springer Nature, 2017-05)Superhydrophilic and underwater superoleophobic surfaces were fabricated by facile spray coating of nanostructured WO[subscript 3] on stainless steel meshes and compared its performance in oil-water separation with ZnO ... -
A fabrication method for integrated filter elements with inductance cancellation
(Institute of Electrical and Electronics Engineers, 2009-03)This paper outlines a fabrication method for integrated filter elements. An integrated filter element is a three- (or more) terminal device comprising a capacitor and coupled air-core magnetic windings, in which the magnetic ... -
Fabrication methods and performance of low-permeability microfluidic components for a miniaturized wearable drug delivery system
(Institute of Electrical and Electronics Engineers, 2009-06)In this paper, we describe low-permeability components of a microfluidic drug delivery system fabricated with versatile micromilling and lamination techniques. The fabrication process uses laminate sheets which are machined ... -
Fabrication of a Hybrid Microfluidic System Incorporating both Lithographically Patterned Microchannels and a 3D Fiber-Formed Microfluidic Network
(Wiley-VCH Verlag GmbH & Co., 2012-03)A device containing a 3D microchannel network (fabricated using sacrificial melt-spun microfibers) sandwiched between lithographically patterned microfluidic channels offers improved delivery of soluble compounds to a large ... -
Fabrication of a rotary carbon nanotube bearing test apparatus
(IOP Publishing, 2015-12)Carbon Nanotubes (CNTs) are attractive elements for bearings in MicroElectro-Mechanical Systems (MEMS), because their structure comprises nested shells with no bonding and sub-nanometre spacing between them, enabling ...
