Sökning: "thermal interface material"

Visar resultat 11 - 15 av 129 avhandlingar innehållade orden thermal interface material.

  1. 11. Soft Intelligence : Liquids Matter in Compliant Microsystems

    Författare :Seung Hee Jeong; Zhigang Wu; Zhi-Bin Zhang; Michael D. Dickey; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Liquid; Elastomer; Cross-linking; Liquid alloy; PDMS; Adaptability; Compliance; Interface; Patterning; Printing; Surface energy; Wetting; Composite; Modulus; Stretchability; Viscoelasticity; Thermal conductivity; Contact resistance; Adhesion; Packaging; Integration; Microsystems; Microfluidics; Strain sensor; Thermoelectrics; Inductive coupling; Wireless communication; Stretchable electron-ics; Epidermal electronics; Skin electronics; Soft robotics; Wearable electronics; Teknisk fysik med inriktning mot mikrosystemteknik; Engineering Science with specialization in Microsystems Technology; Engineering Science with specialization in Materials Science; Teknisk fysik med inriktning mot materialvetenskap;

    Sammanfattning : Soft matter, here, liquids and polymers, have adaptability to a surrounding geometry. They intrinsically have advantageous characteristics from a mechanical perspective, such as flowing and wetting on surrounding surfaces, giving compliant, conformal and deformable behavior. LÄS MER

  3. 12. Silicon device substrate and channel characteristics influenced by interface properties

    Författare :Mikael Johansson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; channel; attenuation; zro2; interface; traps; semi-insulating; high-k; mos; cross-talk; hfo2;

    Sammanfattning : This thesis is divided in two parts, one dealing with the depleted Si/Si structure, which is a substrate behaving as a semi-insulating material intended for radio-frequency applications and the other concerning high-k gate dielectrics (dielectrics with high dielectric constant) as the replacement for silicon dioxide as MOS gate dielectric.High frequency applications of CMOS integrated circuits, to lower cost, achieve higher performance and richer functionality, depends partly on the possibility to decrease the substrate coupling between different parts of the circuit. LÄS MER

  4. 13. Characterization of Nanomaterials for Interconnect and Thermal Management in Electronic Packaging

    Författare :Si Chen; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; heat dissipation; electronic packaging; nanomaterial; characterization; thermal interface material; solder; thermoelectric.; interconnect; through silicon via;

    Sammanfattning : Electronic packaging, protecting the fragile chip from atmosphere and providing the paths for signal transmission as well as heat dissipation, is one of the most important parts in electronic devices. The cost, dimensions, performance, and reliability of an electronic device therefore strongly depend on its packaging structures and materials. LÄS MER

  5. 14. LiMn2O4 as a Li-ion Battery Cathode. From Bulk to Electrolyte Interface

    Författare :Tom Eriksson; Michael M. Thackeray; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Chemistry; cathode materials; lithium manganese oxide; interface; surface layer; electrode kinetics; Kemi; Chemistry; Kemi; Inorganic Chemistry; oorganisk kemi;

    Sammanfattning : LiMn2O4 is ideal as a high-capacity Li-ion battery cathode material by virtue of its low toxicity, low cost, and the high natural abundance of Mn. Surface related reactions and bulk kinetics have been the major focus of this work. LÄS MER

  7. 15. Life Prediction and Mechanical Behavior of Thermal Barrier Coatings

    Författare :Yan Liu; Materialteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Stress intensity factors; Macro-cracks; Micro-cracks; Mechanical behaviour; Thermal barrier coatings; Life prediction; Material technology; Materiallära; materialteknik;

    Sammanfattning : Delamination and spallation of thermal barrier coating (TBC) systems, used in hot parts of gas turbines, have been studied with respect to thermal fatigue. TBCs with and without pre-existing cracks were investigated. Thermal shock tests were performed until coating spallation. LÄS MER