A technology used for the creation of one of the two types of thin panel displays. Plasma displays have two glass panels with roughly one million pixels sandwiched between. Each pixel has three cells, one red, one green and one blue. Each cell is filled with a gas and when current is applied the gas emits UV rays which stimulate the phosphors to glow. The process is similar to the way a fluorescent light glows.
Gas that has very high numbers of ions (charged particles). In a plasma, the number of free electrons is almost the same as the number of positive ions.
The most highly energized phase of matter. Plasma is a collection of highly to fully ionized gas molecules, or a collection of positively charged nuclei and negatively charged electrons. Because it consists of ions, plasma is an excellent conductor of electricity since a current is merely the motion of charged particles, or ions. The other phases of matter are solid, liquid, and gas.
A highly ionized gas, consisting of almost equal numbers of free electrons and positive ions.
An electronically neutral, ionized gas composed of ions, electrons, and neutral partivles. It is a phase of matter distinct from solids, luquids, and normal gasses. Not to be confused with blood plasma.
Matter containing more or less equal amounts of positively charged ions and negatively charged electrons. It is usually extremely hot and found in or near stars.
A gas-like phase of matter that contains charged particles.
A gaseous state in which the atoms or molecules are dissociated to form ions.
high-energy gas made up of ionized particles.
Television technology that creates an image by applying an electric charge to gas-filled cells which react with a burst of ultraviolet light. Plasma televisions can be HDTV, HDTV-ready, or EDTV.
Any ionized gas that conducts electricity and is affected by magnetic fields
Currently the Dominant type of large, flat screen Television. Plasmas use Neon/Xenon gas Sandwiched between to thin plates of Glass. Electrical Impulses are passed through the Gas at Specific points as required. This causes the Gas to React, which creates a ‘Pixel'. There are more than 1 Million Pixels (and steadily increasing with Technology) in a Plasma Display Panel.
In biology, the fluid in which blood cells or lymph cells are suspended. A gaslike state of matter consisting of positively charged ions, free electrons, and neutral particles. Plasma is found in stars, the sun, the solar wind, lightning, and fire.
A combination of superheated gas and electrically charged particles that envelops the shuttle as it re-enters Earth's atmosphere, making the orbiter appear from Earth like a shooting white star. Plasma is the fourth state of matter and exists only at very high temperatures, sometimes as high as 12,000 degrees.
Developes when energy is added to a gas in that way, that its atoms ionise. Electronical neutral mixture of iones, atoms and electrones. Plasma has different electro-chemical features than its accordant gas.
a fourth state of matter-- not a solid, liquid, or gas; in a plasma, the electrons are pulled free from the atoms and can move independently; the individual atoms are charged, even though the total number of positive and negative charges is equal, maintaining overall electrical neutrality
The so-called fourth state of matter, a plasma is an ensemble of ionized particles which are not chemically bonded together. A plasma may be electrically neutral (as in the core of the Sun or ICF fuel pellet) or have a net charge (as is true of a beam in an accelerator). In general, the temperatures necessary for fusion imply that burning fuel is in a plasma state.
One common description of plasma is to describe it as the fourth state of matter. We normally think of the three states of matter as solid, liquid and gas. For a common element, water, these states are ice, water and steam. The difference between these states relates to their energy levels. When we add energy in the form of heat to ice, the ice melts and forms water. When we add more energy, the water vaporizes into hydrogen and oxygen, in the form of steam. By adding more energy to steam these gases become ionised. This ionisation process causes the gas to become electrically conductive. This electrically conductive, ionised gas is called plasma. The plasma cutting process, as used in the cutting of electrically conductive metals, utilises this electrically conductive gas to transfer energy from an electrical power source through a plasma cutting torch to the material being cut. It is then how the plasma gas is controlled through the torch, which effects the final cut quality you see.
is a gas in which the electrons are separated from the electron-deficient atoms. The whole gas contains approximately equal numbers of electrons and ions.
a high temperature physical state in which electrons have beens stripped from the nuclei of the atoms making up the substance.
A state of matter similar to a gas but composed of isolated electrons and nuclei rather than discrete whole atoms or molecules.
A gas comprised primarily of charged particles -- usually, negatively charged electrons and positively charged ions.
the fourth state of matter; the temperature is so high that electrons and atomic nuclei are separated and move very rapidly, constantly colliding with each other
a collection of charge particles containing equal numbers of positive ions and electrons
A gas in which there are approximately equal numbers of positive particles and negative particles. There may also be many neutral particles, as in the ionosphere.
A hot gas that consists of negatively charged electrons and positively charged atomic nuclei, or ions. The atoms of gas are broken into these parts by collisions between the atoms, or as a result of being struck by high-energy ultraviolet radiation from a nearby star.
a collection of charged particles (as in the atmospheres of stars) that shows some characteristics of a gas but that differs from a gas in being a good conductor of electricity and in being affected by a magnetic field
a collection of particles with equal numbers of positive ions and electrons that exhibits some properties of gas, but is also a good conductor of electricity and is affected by magnetic fields
A highly energetic state of matter not naturally found on earth, except for brief moments during such phenomena as lightning, but apparently forming more than ninety-nine percent of all the matter in the universe. Plasma contains an approximately equal number of electrically positive and negative charges, and normally some electrically neutral particles as well. Plasma is formed during hot fusion.
A plasma is a quasineutral gas of charged and neutral particles which exhibit collective behavior. A plasma must satisfy three conditions: (1) the Debye length must be much less than a characteristic distance of the system, (2) the number of particles in a Debye sphere must be much larger than one and (3) the plasma frequency times the mean time between collisions with neutral atoms must be larger than one. Plasmas behave sometimes like fluids and sometimes like a collection of individual particles.
A gas in which the individual atoms are ionized (and therefore charged). In most cases, the total number of positive and negative charges is equal in a plasma, making them electrically neutral.
(physical chemistry) a fourth state of matter distinct from solid or liquid or gas and present in stars and fusion reactors; a gas becomes a plasma when it is heated until the atoms lose all their electrons, leaving a highly electrified collection of nuclei and free electrons; "particles in space exist in the form of a plasma"
a collection of atoms (think of a container filled with a gas) which has absorbed enough energy to cause the electrons to become separated from their nuclei
a collection of charged particles that may be used to remove material from or deposit material on a workpiece
a distinct state of matter containing a
a distinct stateof matter containing a significant number of electrically chargedparticles a number sufficient to affect its electricalproperties and behavior
a fluid composed of electrically neutral gaseous molecules, and of positive ions and negative electrons
a form of gas that has a great deal of free energy that is just looking for a way out," explained Dr Akers
a gas containing a high density of electrons and positive ions, atoms that have a positive charge
a gaseous environment in which there are enough ions and electrons for there to be appreciable electrical conductivity
a gaseous state of matter in which the atoms or molecules are strongly ionized
a gas heated until the electrons and ions of the atoms are separated from each other
a gas in which an important fraction of the atoms is ionized, so that the electrons and ions are separately free
a gas in which the electrons are stripped of their atoms and are free to move
a gas of electrons and positively-charged ions, but it's usually tenuous stuff, as in a candle flame, an interstellar gas cloud, or inside a fusion reactor
a gas that has been energized to the point that some of the electrons break free from, but travel with, their nucleus
a gas that is sufficiently ionized for its properties to depend on the ionization
a gas where the individual atoms have been charged by stripping them of electrons
a gas where the particles are electrically charged (ionized)
a gas which conducts electricity
a gas which is heated to an extremely high temperature and ionized so that it becomes electrically conductive
a gas whose atoms have separated into a mix of charged ions and electrons
a gas whose molecules (or a part of them) are split up into ions and free electrons
a gas with electrically charged particles with an extremely wide range of behaviours
a medium of gaseous matter which differs from other gas by its high temperatures, electrical and thermal conductivity, by complex particle and wave interactions, and by the emission of electromagnetic radiation
a mixture of positive ions, negative ions, and electrons produced by an electrostatic or electromagnetic field
an electrically conductive gas containing charged particles
an electrically conductive gas -- essentially sustained lightning
an electric conductor and is affected by magnetic fields
an electrified gas consisting of electrons, ions and neutrals
an excitation of gas by radio frequency energy
a particular gaseous environment within what here are plenty ions in addition to electrons on behalf of here to be appreciable electrical conductivity
a particular region within a gas discharge containing very nearly equal number of positive and negative ions
a physical state in which groups of ions and electrons dissociated from electrically neutral gases are randomly spaced, and it can easily activate even chemically stable substances
a quasineutral (total electrical charge is zero) mix of ions ( atoms which have been ionized, thus losing their outer electrons), electrons , and neutral particles (possibly including unionized atoms)
a region in which positive and negative space charges are approximately equal and strong electric fields are absent
a state of matter in which atoms are stripped of their electrons
a state of matter, like a liquid or a gas
a state of matter that includes a collection of charged particles that are related to a gas
a state of matter that is different than solids, liquids and gases, the more familiar states of matter
a unique state of matter in which electrons and ions interact collectively though long-range electromagnetic forces
a (usually "gaslike") in which positive and negative charged particles are separated and free to move indeplendently
a (usually gas-like phase composed of ions of the material
a very hot gas, hot enough to conduct electricity
gaseous state of matter consisting of freely moving ions and electrons which is very nearly electrically neutral overall
Emissive flat panel display technology that uses a gas plasma to excite phosphors and make them glow. Used for large-size displays (typically 32" diagonal and up), but has a limited market because of the high cost of production. Also called plasma display panel (PDP).
Plasma is a state of matter, often called "the fourth state." The atoms in plasma move around in all directions at high speed. Plasmas are usually very hot and they glow. The sun, northern lights, lightning, and the glowing "gases" in neon sign tubes and fluorescent lamp tubes are examples of plasmas.
A highly excited gas. Plasmas are created by exposing gases at low pressure to an electric or electromagnetic field. In semiconductor processing, plasmas are used for etching and thin film deposition (the excited state of the gas makes it very reactive). In everyday life, plasmas are used to give light in fluorescent light bulbs, neon lamps and blue insect traps.
a state of matter where electrons are separated from the atom leaving a mix of positively charged nuclei and negatively charged electrons
This flat panel display uses charged gas and Phosphors to create its display. It is brighter then and LCD panel and has a broad viewing angle. They can be quite large, such as in high definition TV.
One of the four states of matter. (The other three are solid, liquid and gas.). Consists of a gas of positively charged and negatively charged particles with approximately equal concentrations of both so that the total gas is approximately charge neutral. A plasma can be produced from a gas if enough energy is added to cause the electrically neutral atoms of the gas to split into positively and negatively charged atoms and electrons. Plasmas respond to electric and magnetic forces.
A gaseous medium in a highly energized state. Plasma is the fourth state of matter, after solid, liquid and gas. It generally occurs at a very high temperature (several tens of thousands of degrees Celsius) and is produced when an electrical charge is applied to the gas.
A state of being distinct from gas, where the electrical characteristics of a gas have been changed due to the application of heat or other energy source
a state of matter characterized by un-bound negative electrons and positive ions which may conduct electrical current. Plasma is often called the fourth state of matter, along with the other states of matter: solids, liquids and gases. It is estimated that more than 99% of matter in the universe exists as plasma; examples include stars, nebulae, and interstellar particles. The temperature of a typical plasma may be 100,000 K or more and vary in particle density from about 106/m3 (solar wind) to 1030/m3 (core of star). Plasmas are relatively rare natural occurrences on earth, but many applications of plasma discharges have been found. Examples of plasma can be found in lightning, the Aurora borealis, fluorescent and neon-type lights, arc welding, and machines built to study nuclear fusion.
A hot gas consisting of equal numbers of positive and negative ions.
A state of matter wherein all atoms are ionized; a mixture of free electrons and free atomic nuclei.
Ionized gas used to remove resist, to etch, or to deposit various layers onto a wafer.
A gaslike association of ionized particles that responds collectively to electric and magnetic fields.
a gas composed of electrically charged particles
Plasma is a highly ionized gas in which the charge of the electrons is balanced by the charge of the positive ions, so that the system as a whole is electrically neutral. Temperatures of 10 000 °C to 15 000 °C can be reached.
A display technology that involves hundreds of thousands of tiny gas-filled chambers pressed between two sheets of glass. Electricity passed through the cells causes xenon and neon atoms to become excited and release light photons that react with a phosphor coating giving off visible, colored light.
A gas of charged particles, such as electrons and ionized (charge) nuclei, often hydrogen nuclei (protons). This occurs when atoms of a gas are torn apart by high temperatures, pressures, and/or electromagnetic fields. ( go to first use in the text)
Flat-panel display technology that ignites small pockets of plasma gas to light phosphors. The illumination of the gas creates the image viewed on screen.
A low-density gas in which individual atoms are ionized.
is a type of flat panel display similar to LCD but instead of liquid crystals Plasma has neon gas between the two pieces of glass. See LCD
a gas composed of energetic electrons and positive ions
Technology that uses electrical impulses that react with gases contained to produce pixels. Plasma televisions are increasing in demand due to their lightweight and positioning flexibility as opposed to traditional CRT television sets.
An ionized gas with equal parts of positive and negative ions.
An ionized gas containing about equal numbers of positive and negative charges, which is a good conductor of electricity, and is affected by a magnetic field.
Just as solids, liquids and gases are states of matter, plasma is a state of matter. Specifically, plasma is ionized gas. That is, gas that has been given an electrical charge by being stripped of electrons. Such ionized gas is the most abundant observable form of matter in the universe, being a main ingredient in stars and nebulas. And as if we're not already seeing enough of the stuff, it's also what goes inside those flat panel displays called "plasmas" that are popping up all around us. Why? Because when you apply an electromagnetic field to plasma, it glows, making for a nice, vibrant TV screen, computer monitor, or digital signage.
Any ionized gas, that is, any gas containing ions and electrons.
a very hot, gas-like state of matter
A flat panel television display type in which plasma gas pixels glow when excited by electrodes.
A highly ionized gas. The fourth state of matter (it does matter). 99% of all matter in the universe is in a plasma state. Lightning, neon lights and fire are natural examples of plasma on Earth.
A gas that is so hot that a significant number of the atoms are ionized, that is, broken into electrically charged fragments (ions and electrons) that interact collectively with the electric and magnetic fields.
A gas containing free ions and electrons, and therefore capable of conducting electric currents.
Ionized gases that have been highly energized—for example, by a radio frequency energy field.
Sometimes called "the fourth state of matter," plasma is a gas composed of charged atoms (ions) and electrons. Plasma is created when a gas absorbs enough heat or other energy to release electrons from their orbits around atomic nuclei. (TOP OF THE PAGE) (CLOSE WINDOW)
A gas composed of ions, electrons, neutral atoms, and molecules. The interactions between particles of a plasma are mainly electromagnetic. Although many of the individual particles are electrically positive or negative, the plasma as a whole is neutral.
An ionized gas consisting of electrically conductive ions and electrons. It is known as a fourth state of matter.
a gas weekly ionized to produce electron - ion pairs and neutral chemically reactive specie.
hot ionized gas that is electrically conductive.
As temperature rises, most materials change from solid, to liquid, to gas. At even higher temperatures, gas molecules break apart into atoms, and eventually the electrons orbiting the atomic nuclei are spun off. This phenomenon is called disassociation. When a gas has roughly equivalent densities of positively and negatively charged particles formed in this way, maintaining electrical neutrality, it is called a plasma. Some plasmas existing in nature are the sun, the aurora and lightning. Manmade plasmas are widely used in illumination (fluorescent and neon lighting) and fabrication (welding and etching).
A physical state of matter which exists at extremely high temperatures in which all molecules are dissociated and most atoms are ionized.
Plasma consists of a gas heated to sufficiently high temperatures that the atoms ionize. The properties of the gas are controlled by electromagnetic forces among constituent ions and electrons, which results in a different type of behavior. Plasma is often considered the fourth state of matter (besides solid, liquid, and gas). Most of the matter in the Universe is in the plasma state. more
An electrically neutral, highly ionized gas composed of ions, electrons, and neutral particles. It is a phase of matter distinct from solids, liquids, and normal gases.
Gas-plasma technology is one of the methods used to create flat-panel TVs. Besides enabling thin, lightweight TVs that can be hung on the wall, plasma offers other advantages. The display consists of two transparent glass panels with a thin layer of pixels sandwiched in between (think of this layer as containing around one million tiny fluorescent bulbs — the pixels). Each pixel is composed of three gas-filled cells or sub-pixels (one each for red, green and blue). A grid of tiny electrodes applies an electric current to the individual cells, causing the gas to ionize. This ionized gas (plasma) emits high-frequency UV rays which stimulate the cells' phosphors, causing them to glow, which creates the TV image.
A gas that contains a large number of positively and negatively charged particles (ions and electrons). This can occur when a gas is raised to extremely high temperatures (e.g., the outer regions of the sun) or in an intense electrical field. Plasma physics is an important branch of modern science.
A low-density gas in which the individual particles are charged and which contains an equal number of positively charged ions and negatively charged electrons.
the state of matter in which the atoms are completely ionized, that is when they have lost all their electrons. This is the ordinary state of matter within the stars.
A gas consisting of ions, electrons, and neutral particles; the behavior of the gas is dominated by the electromagnetic interaction between the charged particles.
A gas consisting of equal numbers of ionized atoms and electrons.
A superheated, ionized gas that forms in the discharged channel due to the action of the thermoelectric force.
The plasma consists of a gas warmed up to the sufficiently high temperatures that the atoms ionize. The characteristics of the gas are controlled by the electromágneticas forces between ions and the constituent electrons, that gives rise to a diverse type of behavior. The plasma often considers the fourth declarations (in addition to solid, liquid, and the gas). Most of the matter in the universe it is in the state of the plasma.
white hot gas made only of ions*. Click here to go back to where you were.
A low-density gas in which the individual atoms are charged, even though the total number of positive and negative charges is equal, maintaining an overall electrical neutrality.
Refers to the display technology in plasma televisions. Each plasma panel contains thousands of tiny tubes filled with ionized gas that, when excited by electricity, glow in different colors and intensities to create an image.
A hot, electrically neutral gas of ions and free electrons.
Plasma is often considered the fourth state of matter (besides solid, liquid, and gas). Plasma consists of a gas heated to sufficiently high temperatures (in other words, with so much energy) that the atoms ionize (lose electrons). The properties of the gas are controlled by electromagnetic forces among constituent ions and electrons, which results in a different type of behavior. Most of the matter in the Universe is in the plasma state. Lightning and fluorescent lights are plasma. You can get plasma spheres in novelty shops. They are known as lightning balls. The lightning will follow your finger around the globe. SOHO observes an elongated "eruptive prominence," a mass of relatively cool plasma, into space. Lightning (a form of plasma) over NASA's Marshall Space Flight Center, Huntsville, Alabama.
A gas so hot that all electrons are stripped away from the atoms. As such, the gas has a positive charge and can be confined in a magnetic field. High-temperature plasma is used in controlled fusion experiments.
Currently the leading technology behind large flat-screen televisions. Here, an electrical current is passed through neon/xenon gas, causing it to react, creating the desired 'pixel'.
An ionized gas composed of positive and negative charges (and possibly neutral atoms and molecules) of almost equal charge density. At least one kind of charge is mobile. The term was coined by Langmuir and Tonks (1929) "to designate that portion of an arc-type discharge in which the densities of ions and electrons are high but substantially equal." A more quantitative definition can be given in terms of the Debye shielding distance, the distance over which the density of negative charges can be appreciably different from that of positive charges: A plasma is an ionized gas for which the Debye shielding distance is small compared with a characteristic length (Spitzer 1962). According to this definition the ionosphere is a plasma, and so is a slab of aluminum, but in atmospheric usage it is limited to an ionized gas. Langmuir, I., and L. Tonks, 1929: Phys. Rev., 33, p. 196. Spitzer, L., 1962: Physics of Fully Ionized Gases, 2d ed., p. 22.
High pressure ionized gas, a good conductor of electricity and can be affected by a magnetic field, which is used in a cutting process that uses an electric arc to ionize the gas, turning it to plasma.
a super-heated state of matter consisting of charged subatomic particles.
In the television industry, short for gas-plasma display technology, one of the leading methods used to build flat panel televisions. The display creates images through the application of an electronic current to the plasma-filled cells in the screen, causing them to ionize, emitting ultraviolet (UV) rays that stimulate the phospor in the cells, and causing them to glow. Plasma televisions are lauded for thier impressive picture quality, high resolutions, and compact footprint.
In physics and chemistry, a plasma is typically an ionized gas, and is usually considered to be a distinct state of matter in contrast to gases because of its unique properties. "Ionized" means that at least one electron has been dissociated from, or added to, a proportion of the atoms or molecules. The free electric charges make the plasma electrically conductive so that it responds strongly to electromagnetic fields.