Wide Bandgap Materials in Thermal Management of Electronic Structures

Gielisse, P. J.; Niculescu, H.; Tremblay, J.; Achmatowicz, S.; Jakobowski, M.; Zwierkowska, E.; Golonka, L.

doi:10.1106/152451102024669

Cited by 2 publications

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“…Paste mixtures have included three different c-BN/frit percentages: 95% c-BN, 5% glass; 90% c-BN, 10% glass; and 85% c-BN, 15% glass. The organic vehicle is used in amount 15-25% per weight in respect to all pastes [3,4].…”

Section: Methodsmentioning

confidence: 99%

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Electronic properties of c‐BN thick film layers obtained on silicon and ceramics substrates

Firek

Jakubowska

Werbowy

et al. 2007

Phys. Status Solidi (c)

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A novel thick film has been produced using paste based on single crystal cubic boron nitride powders. The major paste component are particles of cubic boron nitride of different grain shape and size obtained by different methods. Another component is inorganic glass based on bismuth oxide with high wetting characteristics for binding together the particles of c-BN and ensure good adhesion of the layer to the substrate. Structures were crated with c-BN films acting as an insulator which enabled electrical characterization by means of current-voltage measurements. Observed variation in specimen characteristics resulted primarily from different content of the secondary phase (glass) as well as different types of used c-BN powders. The results of the experimental work has enabled a preliminary analysis of the room temperature conduction mechanisms in structures with c-BN based thick film layers.

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Section: Methodsmentioning

confidence: 99%

“…It is also a good insulator [1,2]. Main disadvantage of this material with respect to its preparing in a form of a thick film is the fact that it is refractory, highly abrasive and difficult to wet by the inorganic binder.…”

Section: Introductionmentioning

confidence: 99%

Electronic properties of c‐BN thick film layers obtained on silicon and ceramics substrates

Firek

Jakubowska

Werbowy

et al. 2007

Phys. Status Solidi (c)

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“…Our evaluation of novel c-BN-glass thick films as heat conductors have showed positive results [8,9]. The evidence for the efficacy of the present c-BN thick films as thermal management systems, is presented in Fig.…”

Section: Rapid Heat Transfer and Heat Sinking Surfacesmentioning

confidence: 93%

“…The referenced thick films [7][8][9] when printed with top and bottom electrodes (Pd/Ag and/or Au), have shown I-V characteristics that suggest applicability as …”

Section: High Dielectric Constant Structures As (Super) Capacitors Anmentioning

confidence: 99%

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Light Element Polycrystalline Structures Incorporating Micron to Nanosize Constituents

Gielisse

Niculescu

NATO Science Series II: Mathematics, Physics and Chemistry

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Light element solids among which diamond, the nitrides of boron and aluminum and their polymorphs have received considerable research attention over the last decade, particularly since the discoveries of new nanosized structures known as bucky balls and fullerenes in many different forms. Concurent with the research activities certain light element materials have as films, bulk and composite structures with micro-or nanosized grains, moved closer to the engineering application stage. This effort will review three areas of particular interest. The current status of polycrystalline c-BN thick films and bulk structures of importance in such applications as high thermal conductivity substrates, high dielectric constant capacitors, laser targets, electron emission cathodes and substrates for thin film deposition, will be reviewed first. In the second part an attempt will be made to give a (non-exhaustive) overview of the current efforts to synthesize and characterize carbon, boron nitride and other fullerenes. The third part will deal with the possible role that light element nanostructures may play in hydrogen storage, a technical challenge of great importance to a global society and to mankind at large.

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Wide Bandgap Materials in Thermal Management of Electronic Structures

Cited by 2 publications

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Electronic properties of c‐BN thick film layers obtained on silicon and ceramics substrates

Electronic properties of c‐BN thick film layers obtained on silicon and ceramics substrates

Light Element Polycrystalline Structures Incorporating Micron to Nanosize Constituents

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