ABSTRACT

Low-k dielectrics are the very latest path breaking development in the field of Integrated Electronics. It is well on its way replacing the Al / SiO2 interconnects with the help of copper in CMOS fabrication of IC Chips. The CMOS technology has an in-built coupling capacitance which increases the time delay, thereby reducing associated processing speeds. This was compensated by reducing the thickness of the Al / SiO2 interconnects. There is a limit to the reduction in t ....etc

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I AM MISS NIBEDITA DOING ENGINEERING WANT TO KNOW ABOUT THE TOPIC DIELECTRIC RESONANT ANTENNA. I WANT THE ABSTRACT AND FULL REPORT FOR SEMINAR.

THANKING YOU
NIBEDITA ....etc

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Hello.
How to calculate cylindrical parameters by theory purpose?
In short give me idea on cylindrical DRA design steps. ....etc

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I need material on above mentioned topic i.e electrical heating,methods and applications
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Ajaya Kumar Kavala
Research Scholar
Department of Physics
IIT Patna


Introduction of Dielectrics

Dielectric is an entity ,in which equal positive and negative charges separated by equal small distance.
In which each molecule has permanent dipole moment P
This type of materials are known as polar materials
Different molecules has different different directions of the dipole moment.
In Non polar materials ,The centre of the positive charge distribu ....etc

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An antenna is defined by Oxford Dictionary as ? a usually metallic device for radiating or receiving radio waves ?. The IEEE Standard Definitions of terms for Antennas ( IEEE Std 145-1973) defines the antenna or aerial as ? a means for radiating or receiving radio waves ?. In other words the antenna is the transitional structure between free-space and a guiding device. The guiding device or transmission line may take the form of a coaxial line or a hollow pipe (wave guide) and it is used to transport electromagnetic energy from the transmitting ....etc

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sir,i want ppt of cylindrical high performance resonating antenna ....etc

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A TALK ON DIELECTRIC RELAXATION



INTRODUCTION OF DIELECTRIC


A dielectric is an electrical insulator that can be polarized by an applied electric field.

When a dielectric is placed in an electric field, electric charges do not flow through the material, as in a conductor, but only slightly shift from their average equilibrium positions causing dielectric polarization.

Because of dielectric polarization, positive charges are displaced toward the field and negative ch ....etc

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The High frequency attenuation in shielded distribution cable has been extensively studied. But in the case of solid dielectric cable, this has not been done. A solid dielectric cable has a bit more complex structure including the semiconducting “bedding” layers and a moisture barrier.high frequency loss is created by these sources.The purpose of these bedding layers is to seal the cable against moisture ingress and also accomodate for the thermal expansion of the cable. The cables studied here are the ones with a corrugated copper sheat ....etc

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