Sökning: "wafer"

Visar resultat 26 - 30 av 138 avhandlingar innehållade ordet wafer.

1. 26. Design and Characterization of RF-LDMOS Transistors and Si-on-SiC Hybrid Substrates

   Författare :Sara Lotfi; Jörgen Olsson; Örjan Vallin; Jean-Pierre Raskin; Uppsala universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; LDMOS; RF; losses; crosstalk; silicon carbide; Si-on-SiC hybrid substrate; wafer bonding; CMOS; Teknisk fysik med inriktning mot elektronik; Engineering Science with specialization in Electronics;

   Sammanfattning : With increasing amount of user data and applications in wireless communication technology, demands are growing on performance and fabrication costs. One way to decrease cost is to integrate the building blocks in an RF system where digital blocks and high power amplifiers then are combined on one chip. LÄS MER

3. 27. Novel Microfluidic Devices Based on a Thermally Responsive PDMS Composite

   Författare :Björn Samel; Göran Stemme; Jörg Kutter; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; MEMS; microsystem technology; micro total analysis system; lab-on-a-chip; microfluidics; composite actuator; expandable microspheres; PDMS; poly dimethylsiloxane; disposable; wafer bonding; adhesive bonding; PDMS bonding; adhesive PDMS bonding; selective PDMS bonding; microcontact printing; Electrical engineering; Elektroteknik;

   Sammanfattning : The field of micro total analysis systems (μTAS) aims at developments toward miniaturized and fully integrated lab-on-a-chip systems for applications, such as drug screening, drug delivery, cellular assays, protein analysis, genomic analysis and handheld point-of-care diagnostics. Such systems offer to dramatically reduce liquid sample and reagent quantities, increase sensitivity as well as speed of analysis and facilitate portable systems via the integration of components such as pumps, valves, mixers, separation units, reactors and detectors. LÄS MER

4. 28. Silicon Integrated HBV Frequency Multipliers for THz Applications

   Författare :Aleksandra Malko; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; frequency multipliers; Heterostrucutre Barrier Varactors HBVs ; THz sources; wafer bonding.; integrated circuits; heterogeneous integration; Compund semiconductors; epitaxial transfer; MICs;

   Sammanfattning : This thesis deals with integrated varactor diode circuits for terahertz (THz) applications. In particular hybrid, monolithic microwave integrated circuits (MMICs), and heterogeneous integration are explored for frequency multiplier applications. LÄS MER

5. 29. Processing and On-Wafer Test of Ferroelectric Film Microwave Varactors

   Författare :Jang-Yong Kim; Alexander Grishin; Dag Winkler; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; : ferroelectrics; sodium potassium niobates; silver tantalite niobate; barium strontium titanate; thin films; pulsed laser deposition; rf magnetron sputtering; coplanar waveguide; photolithography; Electrical engineering; electronics and photonics; Elektroteknik; elektronik och fotonik;

   Sammanfattning : Microwave materials have been widely used in a variety of applications ranging from communication devices to military satellite services, and the study of materials properties at microwave frequencies and the development of functional microwave materials have always been among the most active areas in solid-state physics, materials science, electrical and electronic engineering. In recent years, the increasing requirements for the development of high speed, high frequency circuits and systems require complete understanding of the properties of materials function at microwave frequencies. LÄS MER

7. 30. Blister Test Method for Mechanical Reliability Assessment of Wafer Bonds

   Författare :Kerstin Jonsson; Uppsala universitet; []
   Nyckelord :;

   Sammanfattning : .... LÄS MER