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Related Concept Videos

MOS Capacitor01:25

MOS Capacitor

1.7K
A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
1.7K
MOSFET01:16

MOSFET

1.5K
The Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) plays a pivotal role in modern electronics thanks to its versatility and efficiency in controlling electrical currents. This device, also known as IGFET, MISFET, and MOSFET, has three main terminals: the Source, Drain, and Gate. MOSFETs are classified into n-channel or p-channel types based on the doping characteristics of their substrate and the source or drain regions.
In an n-MOSFET, the structure includes n-type source and drain...
1.5K
MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

924
Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
924
MOSFET Amplifiers01:17

MOSFET Amplifiers

603
The MOSFET, when operating in its active region, functions as a voltage-controlled current source. In this region, the gate-to-source voltage controls the drain current. This principle underlies the operation of the transconductance MOSFET amplifier. The output current is directed through a load resistor to convert this amplifier into a voltage amplifier. The output voltage is then obtained by subtracting the voltage drop across the load resistance from the supply voltage. This process results...
603
MOSFET: Depletion Mode01:20

MOSFET: Depletion Mode

952
Depletion-mode MOSFETs represent a unique subset of MOSFET technology, functioning fundamentally differently from their enhancement-mode counterparts. Unlike enhancement MOSFETs, which require a positive gate-source voltage (Vgs) to turn on, depletion-mode MOSFETs are inherently conductive and "normally on" devices.
The primary characteristic of depletion-mode MOSFETs is their ability to conduct current between the drain and source terminals without gate bias. This inherent conductivity...
952
Characteristics of MOSFET01:17

Characteristics of MOSFET

1.2K
Metal-oxide-semiconductor field-effect Transistors, or MOSFETs, play a critical role in electronic circuits. They are primarily utilized for amplifying and switching signals.
Various vital parameters influence their functionality, which is crucial for theory and electronics applications. First, channel dimensions, precisely length, and width, are pivotal. The size of these channels affects the transistor's ability to carry current and switching speeds; shorter channels typically enable...
1.2K

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Spatial Quantification of Drugs in Pulmonary Tuberculosis Lesions by Laser Capture Microdissection Liquid Chromatography Mass Spectrometry LCM-LC/MS
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Spatial Quantification of Drugs in Pulmonary Tuberculosis Lesions by Laser Capture Microdissection Liquid Chromatography Mass Spectrometry LCM-LC/MS

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Reply to L. Moscetti

Marco Colleoni1, Kathryn P Gray1, Richard D Gelber1

  • 1Marco Colleoni, International Breast Cancer Study Group, Bern, Switzerland; and European Institute of Oncology, Milan, Italy; Kathryn P. Gray, International Breast Cancer Study Group, Bern, Switzerland; and Dana-Farber Cancer Institute, Harvard T. H. Chen School of Public Health, Boston, MA; Richard D. Gelber, International Breast Cancer Study Group, Bern, Switzerland; Dana-Farber Cancer Institute, Harvard T.H. Chan School of Public Health, Harvard Medical School; and Frontier Science and Technology Research Foundation, Boston, MA; Meredith M. Regan, International Breast Cancer Study Group, Bern, Switzerland; and Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA; and Aron Goldhirsch, Breast Cancer, European Institute of Oncology, Milan, Italy; and International Breast Cancer Study Group, Bern, Switzerland.

Journal of Clinical Oncology : Official Journal of the American Society of Clinical Oncology
|January 18, 2017
PubMed
Summary

No abstract available in PubMed .

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