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Showing 1 to 20 of 50 for “"Borosilicate glass"”.
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Effect of radiation on silicon and borosilicate glass
… and gamma radiation on the dimensions of two borosilicate glasses, Pyrex® and Hova SD-2®. These two glasses are commonly used as substrates for silicon microelectromechanical (MEMS) devices, and radiation-induced compaction in a substra.te can have deleterious effects on device performance. …
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Electroforming and electron emission in metal-borosilicate glass-metal structures
… properties of thin co-evaporated SiO/B2C3 (borosilicate) films in the form of sandwich structures of M-SiO B203 –M (diode) and M-SiOx/B2O3-N-SiOx/B2O3-M (triode) have been studied. Diode and triode systems show electroforming effects and subsequently electron emission, voltage-controlled …
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Process Characterization of the Reactive-Ion Etching of Borosilicate Glass for Microfluidic Channels
… makes it difficult to analyze aqueous samples. Glass is an alternative material that addresses both issues. Etching is used to create these channels in glass. Wet etching procedures are typically isotropic and can lead to contamination. Dry etching is capable of producing anisotropic profiles, …
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Recrystallization and Bonding Change Effects in a Sodium Borosilicate Glass Containing Molybdenum Trioxide
Made available in DSpace on 2017-07-06T18:49:00Z (GMT). No. of bitstreams: 3 Kessler_John_H_MS.pdf: 59922115 bytes, checksum: 6c6ad25f81a56cf00a5c45c1ff357ff1 (MD5) Kessler_John_H_MS_ABS.pdf: 491164 bytes, checksum: 59ee13197fca527ef2540c6b37e041a3 (MD5) license.txt: 4813 bytes, checksum: …
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Proliferation resistance of borosilicate glass as a host form for weapons-grade plutonium
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1996.
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Crystallization, surface conduction and electron secondary emission studies in reduced lead borosilicate glass films
Open Restriction set for Item 120654 on 2021-11-17T20:40:08Z with date null by astein@illinois.edu.
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Additive manufacturing of glass using a filament fed process
… many scientific and engineering applications of glass including optics, communications, electronics, and hermetic seals, there has been minimal research towards the Additive Manufacturing (AM) of transparent glass parts. The special thermal and optical properties of glasses make them hard to be …
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Immobilization of radioactive materials in iron phosphate glass
… the feasibility of using iron phosphate glass for the immobilization of radioactive wastes considered incompatible with borosilicate glass. Wastes may be incompatible with borosilicate glass due to high phosphorus content (Hanford tank sludges), the presence of halides (CsCl and …
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Damages in Transparent Materials by Ultrashort Laser Pulse
… with the bulk of transparent materials such as borosilicate glass, fused silica and sapphire. We investigate damage inside the bulk of borosilicate glass, fused silica, and sapphire by a single shot of IR picosecond laser pulse experimentally. In our experiments, extended bulk damage tracks with …
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Tapered waveguide lasers
… by thermal ion exchange (TIE) in Nd-doped borosilicate glass. Ti:sapphire pumped laser operation of these waveguides indicates efficient (40%) and low-loss (0.2dBcm<sup>-1</sup>) operation, comparable to that of a channel waveguide fabricated within the same substrate. Parabolic and linear …
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Spectroscopic Ellipsometry Studies of Thin Film a-Si:H Solar Cell Fabrication by Multichamber Deposition in the n-i-p Substrate Configuration
… for both i- and p-layers on 2" x 2" rigid borosilicate glass substrate were developed as functions of the hydrogen-to-silane flow ratio in PECVD. These phase diagrams were correlated with the performance parameters of the corresponding solar cells, fabricated in the Cr/Ag/ZnO/n/i/p/ITO …
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On the design of electrospray emitters and their microfluidic behavior
… impedance through the porous lattice of borosilicate glass, carbon aerogel, Varapor100, and fused silica emitters.
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Molecular dynamics simulation and topological analysis of the network structure of actinide-bearing materials
… medium (zircon), LWR spent fuel stored in a glassy medium (alkali borosilicate glass), and three molten salt systems (LiF-BeF2, LiF-ThF4 , and LiF-UF4). I model these materials using molecular dynamics (MD) simulations, and then perform a range of material-dependent analyses - including …
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Investigation of fabrication process development for integrated optical grating structures
… copper vapor laser was used to ablate lines in borosilicate glass.
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Analysis of Strength Variation in Glass Due to Ion Exchange
… and Weibull characteristics of the strength of glass rods as modified by heat treatment with and without an ion exchange bath. Several sample groups of 30 sodium borosilicate glass rod specimens were heat treated at various temperatures in air and in a potassium nitrate salt bath to induce an …
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Atmospheric Pressure Chemical Vapor Deposition of Functional Oxide Materials for Crystalline Silicon Solar Cells
… aluminum oxide, silicon oxide, phosphosilicate glass, and borosilicate glass. The microstructure, optical properties, and electronic properties of these films are characterized for different deposition conditions. Additionally, the impact of these materials on the performance of different types …
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Structural, electrical and optical properties of transparent conducting Si-doped ZnO thin films grown by pulsed laser deposition
… silicon doped zinc oxide films were ablated onto borosilicate glass substrates by pulsed laser deposition of a bulk ZnO target doped with 2 wt% silicon. The rotating target was irradiated at low ambient oxygen pressures by a KrF Excimer laser (Lambda physics LPX 300) emitting pulses of 0.18 ns in …
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Die-level glass frit vacuum packaging for a micro-fuel processor system
Vacuum packaging utilizing glass frit is investigated for the use with a micro-fuel processor. Enhanced device performance through proper thermal management motivates the need for a vacuum package on the micro scale. Constraints imposed by the design and fabrication of the micro-fuel processor deem …
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Material and fabrication developments in the ion-electrospray propulsion system
… strong contender to replace the state-of-the-art borosilicate glass chips. An experimental new material emitter was tested to gain a voltage-current relation as well as time-of-flight spectroscopy. This new silica ceramic demonstrated promising tip geometry after laser ablation, good wetting …
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Properties and performance of a ceramic composite component
… using an injection molding process with a borosilicate glass matrix reinforced with chopped graphite fibers. These specimens were then tested under quasi-static and cyclic loading at room temperature. Due to the infancy of CMC materials and, especially, CMC components, the program included …
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