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Topic: Bridgeman technique

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Boule (crystal)

Aluminium chloride

	"Two Visual Brains in Action" by Bruce Bridgeman
		Another reason for the recency of discovery of the motor system is that most of its cells, beginning in the posterior parietal cortex and moving anteriorly, are silent when an animal is anesthetized; the cells respond only when the animal is preparing a movement.
		Uncovering the properties of the cells in the parietal motor pathways could not begin until techniques for recording from active, unanesthetized animals were developed.
		Bridgeman B., Kirch, M., and Sperling, A. Segregation of cognitive and motor aspects of visual function using induced motion.
	psyche.cs.monash.edu.au /v5/psyche-5-18-bridgeman.html (1479 words)

	Bridgeman technique - Encyclopedia, History, Geography and Biography
		Bridgeman technique - Encyclopedia, History, Geography and Biography
		The Bridgeman technique is a method of growing single crystal ingots or boules.
		Bridgeman technique, Industrial processes and Semiconductor device fabrication.
	www.arikah.com /encyclopedia/Bridgeman_technique (138 words)

	Seattle Drummer Drummers Page
		A few other exercises that will add to your fills and drum techniques are the double stroke roll exercises.
		The Bridgeman exercise is a good way to improve accent control for right and left hands.
		The paradiddle exercise is excellent for improving the technique of alternating stick patterns.
	www.seattledrummer.com /dgclinic1.html (193 words)

	John Bridgeman - Independent Online Edition > Obituaries (Site not responding. Last check: 2007-10-31)
		John Bridgeman was one of the first sculptors in Britain to embrace fibreglass, plastics, concrete and cement fondue.
		Bridgeman's many public commissions were the product of a reputation gained entirely outside the conventional circuit of the London-based commercial gallery system, which he deliberately eschewed.
		Bridgeman's art was forged out of a deep compassion for humanity and it was profoundly affected by his wartime experiences.
	news.independent.co.uk /people/obituaries/article14653.ece (1287 words)

	III-V Semiconductor Manufacturing (Site not responding. Last check: 2007-10-31)
		The Bridgeman and the gradient freeze methods of single-crystal ingot growth both utilize charged and sealed quartz ampoules in a high-temperature furnace enclosure which is vented to a wet scrubber system.
		The occupational hygiene challenge of this process is profiling the exhaust effluent, since most of the out-gassed compounds from various parts of the reactor, especially the bubbler, are unstable in air and the available conventional collection media and analytical techniques are not discriminatory towards the different species.
		This technique has been traditionally used in the manufacturing of semiconductor lasers and optical communication devices such as transmitters and receivers for fibre optics.
	www.ilo.org /encyclopaedia/?print&nd=857200063 (4406 words)

	Newswise
		A water filtration technique that normally cleans up agricultural chemicals is also effective at removing a toxin secreted by algae found in lakes and rivers, a new study has found.
		Newswise — A water filtration technique that normally cleans up agricultural chemicals is also effective at removing a toxin secreted by algae found in lakes and rivers, an Ohio State University study has found.
		This is the first time this technique has been used to remove an algal toxin, and Walker cautioned that more research needs to be done before commercial water treatment plants could adopt it wholesale.
	www.newswise.com /articles/view/522988 (704 words)

	Psycoloquy 3(15): On the Evolution of Consciousness and Language
		Bridgeman, B. (1980) Temporal response characteristics of cells in monkey striate cortex measured with metacontrast masking and brightness discrimination.
		Bridgeman, B. (1982) Multiplexing in single cells of the alert monkey's visual cortex during brightness discrimination.
		Bridgeman, B. (1986) Relations between the physiology of attention and the physiology of consciousness.
	www.cogsci.ecs.soton.ac.uk /cgi/psyc/newpsy?3.15 (3641 words)

	How to Build a Better Educational System: Jigsaw Classrooms
		The jigsaw technique is so named because each child in a jigsaw classroom has to become an expert on a single topic that is a crucial part of a larger academic puzzle.
		When properly carried out, the jigsaw classroom technique can transform competitive classrooms in which many students are struggling into cooperative classrooms in which once-struggling students show dramatic academic and social improvements (and in which students who were already doing well continue to shine).
		As of this writing, some kind of systematic cooperative learning technique had been applied in about 1500 schools across the country, and the technique appears to be picking up steam.
	www.psychologymatters.org /jigsaw.html (1116 words)

	Semiconductors Optics I
		The aim of the bulk crystal growth techniques is to produce single crystal boules with as large a diameter as possible and with a few defects as possible.
		In the CZ technique shown in figure V-6-2, the melt of the charge (i.e., the polycrystalline material) is held in a vertical position crucible.
		The VPE technique is used mainly for homoepitaxy and does not have the additional apparatus present in techniques as MOCVD for precise heteroepitaxy.
	kottan-labs.bgsu.edu /teaching/workshop2001/chapter5.htm (5311 words)

	Obituary: John Bridgeman Independent, The (London) - Find Articles
		JOHN BRIDGEMAN was one of the first sculptors in Britain to embrace fibreglass, plastics, concrete and cement fondue.
		Bridgeman's many public commissions were the product of a reputation gained entirely outside the conventional circuit of the London-based commercial gallery system, which he deliberately eschewed.
		Bridgeman ("Bridge" to his close friends) continued his studies at the RCA after the war with Frank Dobson.
	www.findarticles.com /p/articles/mi_qn4158/is_20050113/ai_n9694400 (851 words)

	Thin GaAs solar cell structures - Patent 4692559
		This technique has been successfully used, but is difficult to apply to mass production of solar cells because the two layers of gallium aluminum arsenide are separated by only about 50 micrometers, so that masking of the layer in contact with the p-type gallium arsenide layer is difficult.
		There therefore exists a need for a technique where the active semiconductor elements of a basic solar cell may be effectively separated from the substrate upon which the elements are deposited during fabrication.
		Preferably, the technique would not dissolve or otherwise significantly damage the substrate, so that the expensive substrate would be reused successively to manufacture further solar cells.
	www.freepatentsonline.com /4692559.html (4011 words)

	Ingot - Lbma (Site not responding. Last check: 2007-10-31)
		This technique is also used for the future.
		Its early use was on germanium for this purpose, but it can be grown by methods such as the Czochralski process or Bridgeman technique.
		In zone refining, solutes are segregated at one end of the province of Cagliari, Italy, 10 miles by road north of Iglesias, and 5 miles from the west coast.
	lbma.pay-e-bullion.org /ingot (1675 words)

	Buy Art Online Oil Painting Reproductions
		That's a fact that allows us to offer the very high quality at such an acceptable price and also to inform you permanently about the stage of your order.We are experienced in reproducing any style of world art, take a look at our oil paintings reproduction samples.
		We have graduated from Fine Art Academies, and are too much familiar with the ways and techniques of attaining the originality and authenticity of an oil painting.
		The best oil painting reproductions has to be exact, detailed and to look authentic, bearing the technique and the brush strokes of the original author.
	www.allartclassic.com /overview.php (439 words)

	Books and Articles Related to the Jigsaw Classroom
		Aronson, E., & Bridgeman, D. Jigsaw groups and the desegregated classroom: In pursuit of common goals.
		Aronson, E., Bridgeman, D., & Geffner, R. The effects of cooperative classroom structure on student behavior and attitudes.
		Carroll, D. Use of the jigsaw technique in laboratory and discussion classes.
	www.jigsaw.org /articles.htm (799 words)

	Water Filtration Technique Removes Dangerous Freshwater Algae Toxins
		A water filtration technique that normally cleans up agricultural chemicals is also effective at removing a toxin secreted by algae found in lakes and rivers, an Ohio State University study has found.
		Some water filtration plants around the country already use the technique, which couples activated carbon with membrane filters, said Hal Walker, associate professor of civil and environmental engineering and geodetic science at Ohio State.
		This is the first time this technique has been used to remove an algal toxin, and Walker cautioned that more research needs to be done before commercial water treatment plants could adopt it wholesale.
	www.physorg.com /news75627930.html (796 words)

	BRIDGEMAN TECHNIQUE : Encyclopedia Entry
		The Bridgman technique is a method of growing single crystal ingots or boules.
		The method involves heating polycrystalline material in a container above its melting point and slowly cooling it from one end where a seed crystal is located.
		It is a popular method of producing certain semiconductor crystals, such as gallium arsenide where the Czochralski process is more difficult.
	www.bibleocean.com /OmniDefinition/Bridgeman_technique (84 words)

	Bridgeman, Bruce (1992) The Co-Development of Consciousness and Planning, Psycoloquy: 3,#39 Consciousness (21) (Site not responding. Last check: 2007-10-31)
		Bridgeman, Bruce (1992a) On the Evolution of Consciousness and Language.
		Bridgeman, Bruce (1992c) Qualia and Memory: Response to Laming on Bridgeman on Consciousness.
		Bridgeman, Bruce (1992d) Consciousness and Memory: Reply to Rosenthal on Bridgeman on Consciousness.
	psycprints.ecs.soton.ac.uk /archive/00000263 (1084 words)

	If Blindness Comes: Complete Issue
		Techniques and instruments have been developed that make it possible for blind individuals to do most activities for which sight is ordinarily considered necessary.
		This one visual technique which he uses is such a small part of his overall pattern of daily living as to be negligible in the total picture.
		The alternative techniques which must be learned are the same for those born blind as for those who become blind as adults.
	www.nfb.org /Images/nfb/Publications/books/books1/ifblind.htm (22161 words)

	Education & Training in I-O Pyschology Apr 02
		The jigsaw classroom is a cooperative learning technique in which students spend a portion of their time in pursuit of common goals (Aronson, Bridgeman, and Geffner, 1978; Aronson, Stephen, Sikes, Blaney, and Snapp, 1978).
		Aronson, Bridgeman, and Geffner (1978) and Aronson and Bridgeman (1979) identified several beneficial effects of using the jigsaw classroom such as improved student attitudes, increased self-esteem, and improved performance.
		Aronson, E., Bridgeman, D. L., and Geffner, R. The effects of a cooperative classroom structure on students behavior and attitudes.
	www.siop.org /tip/backissues/TIPApr02/16koppes.aspx (1183 words)

	A theory of visual stability across saccadic eye movements
		Bridgeman, B., Van der Hejiden, A. C., Velichkovsky, B.M. A theory of visual stability across saccadic eye movements.
		The existence of Gauthier's effect was confirmed by Bridgeman and Stark (1991) using an eyepress method, with both outflow and inflow being measured quantitatively in the same experiment.
		While fixating a point in an unstructured field, Bridgeman and Stark (1991) found oculomotor outflow to have a gain of 0.612 and inflow to have a gain of 0.256, averaged across subjects.
	www.bbsonline.org /documents/a/00/00/04/37/bbs00000437-00/bbs.bridgeman.html (10380 words)

	David Bridgeman’s Clear Horizons
		Mr Bridgeman arrived in the Cayman Islands in 1987, when he came into contact with other artists and felt inspired to begin painting.
		Mr Bridgeman’s new paintings and drawings share the earlier exhibitions’ theme of perception of landscapes and the feelings they evoke.
		Mr Bridgeman also explores the tension between what is natural and what is artificial; deliberately putting the points of a ruler, or an obvious artifact, such as newsprint, across a natural landscape.
	www.caymannetnews.com /2005/10/945/david.shtml (660 words)

	Method and apparatus for producing a manganese-zinc ferrite single crystal using a local liquid pool formation - Patent ...
		Where the bridgeman method is used, a solidification proceeds during the growth of single crystal, resulting in an increase in solidified portions.
		For decreasing the deviation in composition, therefore, there has been proposed a method of forming a single crystal using a continuous feeding-type Bridgeman technique wherein starting material tablets of a controlled composition are fed to an auxiliary crucible, to be melted before they are fed to a main crucible.
		Since the melt is in close contact with the inner wall of crucible in the cases of using the conventional Bridgeman methods, stress is also generated which causes a dislocation in the formed single crystal.
	freepatentsonline.com /5268061.html (1952 words)

	DANCE REVIEW; Rooted in Technique But Free and Airborne - New York Times
		Selected in national auditions for a summer's study at Ballet Theater, the dancers stood out this year for their strong, classical technique and handsome body line in choreography firmly rooted in ballet.
		Best of all, the dancers were (and were allowed to be) individuals, with distinctive body shapes and personalities and an evident delight in moving.
		The soloists, all outstanding, were Natalie Furlong, Terrell Peterson and the promising Meghann Bridgeman.
	query.nytimes.com /gst/fullpage.html?res=9C01E0DF133BF936A3575BC0A9649C8B63 (629 words)

	"I Have Left the World" \| TIME
		He tells of the things he had to learn till they became second nature, e.g., reverse breathing at high altitude, when a tank forces oxygen into his lungs and he has to breathe it out.
		Bridgeman proves the necessary role of man even in the most highly developed planes.
		Bridgeman fell 7,000 ft. in ten seconds in a spin—and survived it.
	www.time.com /time/magazine/article/0,9171,807223-2,00.html (584 words)

	Abstract Expressionism - Bridgeman Art On Demand
		Thus, whilst Abstract Expressionism was first used in 1919 to describe the work of Kandinsky, by the 1950s the movement had come to embrace all forms of non-geometric abstraction and New York had come to replace Paris as the epicentre of contemporary art.
		Not all the artists associated with the movement demonstrated either purely abstract or purely Expressionist work though: Harold Rosenburg referred to his art as Action Painting, whilst Greenberg used the less rigid term 'American Type Painting'.
		The varying techniques are most notable when comparing the concentrated brooding imagery of Rothko to the expansive sprawl of Pollock.
	www.bridgemanartondemand.com /index.cfm?event=content.customPage&pageKey=abstract-expressionism (409 words)

	Georges Pierre Seurat, French Painter
		contributed to French painting by introducing a more systematic and scientific technique known as pointillism or divisionism, in which small dots of color are grouped to create a sense of vibrancy, tending to interact and fuse in the spectator's eye.
		The subject is an island newly adopted by the Parisian middle class as a place of collective recreation; in the painting the typical patterns of activity seem to isolate the figures rather than drawing them together.
		The technique of pointillism Seurat employed here was adopted by a group of his followers, the neoimpressionists, and was extensively used in early 20th-century art.
	www.discoverfrance.net /France/Art/Seurat/Seurat.shtml (824 words)

	SPACE.com -- Sun's Far Side Visible Now
		A new technique allows scientists to detect potentially damaging solar storms that may be brewing on the far side of the Sun and, weeks later, will be rotated into view and aimed our way.
		"This technique works on the same principle as a medical ultrasound, which can create an image of a fetus inside a pregnant woman," Scherrer explained.
		Although two similar techniques have been around for a few years now, their limitations did not allow the entire hidden side of the Sun to be observable.
	www.space.com /scienceastronomy/060320_sun_farside.html (448 words)

	Semiconductors: Gallium Arsenide: Ingot Growing: Introduction
		The As vapor reacts with the Ga metal which is heated to approximately 1260ºC and located at the other end of the ampoule in a quartz board.
		This indirect approach (Arsenic transport) for compounding and growth of GaAs is used because of the high vapor pressure of As at its melting point and at the melting point of GaAs, about 20 atm at 812ºC, and 60 atm at 1238ºC, respectively.
		The Horizontal Bridgeman (HB) and Gradient Freeze (GF) methods of single-crystal gallium arsenide ingot growth are the dominant techniques in use in LED production.
	www.osha.gov /SLTC/semiconductors/gaasingotgrowing/introduction.html (347 words)

	Search SPIE Papers - Publications - SPIE Web
		There are several techniques, which allow obtaining a reduced sensitivity to diffraction in a pre- determined region of propagation.
		By this technique, we have created and detected in real time a grating with period (lambda) /4 at time 1.5T after the first pulse and observed new types of `echoes' caused by interaction of the de Broglie waves with all three phase gratings.
		Starting from the coding techniques used to obtain binary Fresnel encoded lens and Fresnel holograms, the synthesis of a diffractive optical element able to realize the split of a laser beam into N beams, is presented.
	www.spie.org /app/publications/index.cfm?fuseaction=toc&volume=3749&view=1 (11353 words)

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