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Topic: Cleanroom

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	Cleanroom - Wikipedia, the free encyclopedia
		A cleanroom is an environment, typically used in manufacturing or scientific research, that has a low level of environmental pollutants such as dust, airborne microbes, aerosol particles and chemical vapors.
		The air entering a cleanroom from outside is filtered to exclude dust, and the air inside is constantly recirculated through high efficiency particulate air (HEPA) and ultra low penetration air (ULPA) filters to remove internally generated contaminants.
		Cleanroom HVAC systems often control the humidity to low levels, such that extra precautions are necessary to prevent electrostatic discharges.
	en.wikipedia.org /wiki/Cleanroom (370 words)

	Cleanroom Software Engineering - Wikipedia, the free encyclopedia
		The Cleanroom process was originally developed by Harlan Mills and several of his colleagues at IBM
		The name Cleanroom was chosen to evoke the cleanrooms used in the electronics industry to prevent the introduction of defects during the fabrication of integrated circuits.
		Cleanroom development uses an iterative approach, in which the product is developed in increments that gradually increase the implemented functionality.
	en.wikipedia.org /wiki/Cleanroom_(Software_Engineering) (376 words)

	JPL.NASA.GOV: Feature Stories
		The default cleanroom settings are determined by the project with the most stringent cleanliness requirements.
		Since micron-sized particles are not visible to the human eye, cleanroom employees rely on highly sensitive particle counters that give a constant readout to maintain an acceptable cleanliness level.
		In order to assure that dirty air doesn't enter the cleanroom when external doors are opened, a positive airflow is continuously in effect that pushes on the external air so it cannot enter.
	www.jpl.nasa.gov /news/features.cfm?feature=551 (910 words)

	Cleanroom: Facts and details from Encyclopedia Topic (Site not responding. Last check: 2007-10-29)
		(a cleanroom has a controlled level of contamination that is specified by the number of particles per meter-cubed (ppm) and by maximum particle size.
		Air is a name for the mixture of gases present in the earths atmosphere....
		Cleanroom is also a term used in software engineering software engineering quick summary:
	www.absoluteastronomy.com /encyclopedia/c/cl/cleanroom.htm (1058 words)

	DuPont Personal Protection Contamination Control (Cleanroom) FAQ
		A cleanroom is a room in which the concentration of airborne particles is controlled.
		Cleanroom clothing is primarily worn to contain particles inside the suit which are shed by workers during activity.
		Cleanrooms are classified based on the number of particles that flow through the room.
	www2.dupont.com /Personal_Protection/en_US/tech_info/cleanroom_faq.html (583 words)

	Cleanroom Software Engineering
		Cleanroom software engineering reflects the same emphasis on defect prevention rather than defect removal, as well as certification of reliability for the intended environment of use.
		Cleanroom, however, is not a more time-consuming development methodology, but its greater emphasis on design and verification often yields that concern.
		Cleanroom has been used on a variety of commercial and defense projects for which reliability was critically important.
	www.sei.cmu.edu /str/descriptions/cleanroom_body.html (1396 words)

	Cleanroom Software Engineering, Inc. (Site not responding. Last check: 2007-10-29)
		It also explodes some myths about a rigid but bygone Cleanroom "orthodoxy." It describes instead a flexible approach that is tailorable and applicable to a wide range of project types.
		Although Cleanroom still recommends that development teams devote most of their testing effort to statistical testing (in concert with verification-based inspections and other development techniques), we also recognize the value of other formal testing techniques.
		This paper describes Cleanroom software engineering practices that are being used in developing a systems integration testbed for a spaceborne scientific instrument.
	www.cleansoft.com /cleansoft_library.html (1185 words)

	Ångström - Cleanroom (Site not responding. Last check: 2007-10-29)
		The joint laboratory facility at the Ångström Laboratory is usually referred to as the cleanroom as its basic construction is that of a cleanroom.
		is constructed as a class 100 cleanroom with unidirectional airflow from the ceiling to the floor.
		The relative humidity is held constant at 43+/-3 % in one third of the cleanroom.
	www.angstrom.uu.se /cleanroom (292 words)

	What is a Cleanroom?
		A "cleanroom" is essentially a controlled environment in which the levels of particulate, microbes, and contamination of all kinds are reduced.
		Frequently this is accomplished by continuously "flushing" the cleanroom with highly filtered air that is forced in through High Efficiency Particulate air (HEPA) filters.
		Certifications can be performed when cleanrooms are empty, or with people in the room simulating actual working conditions, at the HEPA filter face, or somewhere downstream.
	www.geerpres.com /cleanrm1.htm (366 words)

	bottled water cleanroom, bottling cleanroom, water bottling cleanroom, cleanroom
		Inside the cleanroom, the bottle is rinsed, filled, labeled and capped and then fed through a"pass through" exit port to the packaging area.
		Cleanrooms in one part of the US or one country may be different than the next.
		Cleanrooms are classified by the cleanliness of their air.
	www.aquatechnology.net /cleanroom.html (1109 words)

	SJSU Spartnik Microsatellite -Cleanroom-
		We are currently searching for reasonably priced cleanroom supplies such as gowns, caps, gloves, etc. We are also in the process of determining the cleanroom's class rating.
		The purpose of the cleanroom is to assemble the Spartnik microsatellite in a near contaminate-free environment.
		While the HEPA filters are on, the plastic walls of the cleanroom bulge outward-proving that there is positive pressure inside the cleanroom.
	www.engr.sjsu.edu /spartnik/clnroom.html (807 words)

	Cleanroom Info - Encyclopedia WikiWhat.com (Site not responding. Last check: 2007-10-29)
		More accurately, a clean room has a controlled level of contamination that is specified either by the amount of particles per meter-cubed (ppm) and by maximum particle size.
		By analogy with cleanrooms in semiconductor fabrication which prevent the need for cleaning silicon wafers by making sure that they never get dirty, Cleanroom development removes the need for debugging by ensuring that bugs never get introduced.
		Meaning 2: Another different use of the term "cleanroom" in software engineering is the use of separate teams to specify requirements, implement functionality, and to compare the two.
	www.wikiwhat.com /encyclopedia/c/cl/cleanroom.html (292 words)

	DACS - Data & Analysis Center for Software - DACS - Software (Site not responding. Last check: 2007-10-29)
		The objective of the Cleanroom methodology is to achieve or approach zero defects with certified reliability.
		Increment N+1 elaborates on the top down design of increment N. The Cleanroom process is built upon function theory where programs are treated as rules for mathematical functions subject to stepwise refinement and verification.
		Cleanroom specifications and designs are built upon box structure specifications and design.
	www.dacs.dtic.mil /databases/url/key.php?keycode=64 (464 words)

	Microarray Cleanroom Particle Counters
		Federal Cleanroom Standard 209E defines and evaluates cleanrooms based on the number of particles of 0.5 µm diameter or larger present per cubic foot of cleanroom air, and those same standards are used to benchmark TeleChem’s microarray cleanrooms and cleanroom products.
		The portable counter can be moved to different locations within the cleanroom, to access the uniformity of the air in the cleanroom facility.
		Cleanroom locations that give elevated readings may contain contaminated equipment, faulty filtration devices, and other sources of particle contamination.
	arrayit.com /Products/Cleanroom/MCPC/mcpc.html (1667 words)

	Microarray Cleanroom Wipes
		Cleanroom manufacture eliminates contamination of the wipes with particulates, proteases, nucleases and other contaminants that impair the quality of microarray experimentation observed if non-cleanroom wipes are used.
		Microarray Cleanroom Wipes also provide an excellent source of lint-free wipes for many non-cleanroom applications including the maintenance of microarray pins and printheads, microarrayers, scanners, microscopes, and other scientific instrumentation and equipment.
		For Class 1, 10, 100 and 1,000 cleanrooms, the anti-static package should also be decontaminated with a filtered source of pressurized, oil-free air prior to entering the cleanroom vestibule or changing room.
	arrayit.com /Products/Cleanroom/MCW/mcw.html (1286 words)

	Cleanroom of µELM
		Currently there are about 20 qualified Cleanroom users, and their names are listed under the People section.
		To a large extent, the daily Cleanroom activities are managed by the Users themselves.
		There is a Cleanroom Users Committee that works closely with the Cleanroom faculty and research support staff to oversee the daily operations of the facility.
	www.eng.yale.edu /uelm/cleanroom.html (825 words)

	Cleanroom Construction \| AdvanceTEC, LLC \| Home
		is a design/build cleanroom and process systems contractor working within the microelectronics, biotech, semiconductor, medical, food, and pharmaceutical industries.
		In addition to our cleanroom construction and design services we have an extensive resume in process tool installation, cleanroom retrofit projects, and sustaining work contracts.
		Our company has evolved to serve selected owners, or to assist in up front design as part of a design/build team with general contractors and engineering firms, that are seeking to streamline the cost of construction and incorporate value engineering and constructability reviews early in the project schedule.
	www.advancetecllc.com (135 words)

	Economy Cleanroom Wet/DryVacuum
		Designed specifically for cleanroom applications, this vacuum is equipped with a unique four-stage filtration system which is designed for liquid or dry pick-up with no filter change or adjustment.
		Unit includes cleanroom option, HEPA filter, impact filter, main filter finger tubes, microfilter, and trolley assembly.
		Also included are 10' plastic hose (2.5"), double curved aluminum wand, 14" wet floor squeegee nozzle, 3" aluminum dust brush, 11" plastic crevice tool, and a package of 25 container polyliners.
	www.terrauniversal.com /products/cleanproducts/econoclrvacuum.php (277 words)

	Cleanroom Standards
		The cleanroom classification standards FS 209E and ISO 14644-1 require specific particle count measurements and calculations to classify the cleanliness level of a cleanroom or clean area.
		Its mission is to develop an international standard for cleanrooms and associated controlled environments that encompasses the standardization of equipment, facilities, and operational methods, while also defining procedural and operational limits and testing procedures to minimize contamination.
		This document specifies requirements for periodic testing of a cleanroom or clean zone to prove its continued compliance with ISO 14644-1 for the designated classification of airborne particulate cleanliness.
	www.iprocessmart.com /techsmart/CleanroomStandards.htm (3421 words)

	R.S. Pressman & Associates, Inc.
		That's the overriding philosophy of cleanroom software engineering - a process that emphasizes mathematical verification of correctness before program construction commences and certification of software reliability as part of the testing activity.
		Becker and Whittaker (Cleanroom Software Engineering Practices, Idea Group Publishing, 1996) present an excellent overview for those who are unfamiliar with cleanroom practices.
		Linger and Trammell (Cleanroom Software Engineering Reference Model, SEI Technical Report CMU/SEI-96-TR-022, 1996) have defined a set of 14 cleanroom processes and 20 work products that form the basis for the SEI CMM for cleanroom software engineering (CMU/SEI-96-TR-023).
	www.rspa.com /spi/cleanroom.html (474 words)

	Cleanroom
		Tape ranges from ultra-clean for cleanroom specific applications to static dissipative tapes for ESD-sensitive environments.
		Range of sponges and wipes, developed as a disposable re-usable commodity for stringent applications found within cleanroom and sterile environments.
		The range of cleaners developed by Micronova include general purpose cleanroom cleaners which can claim low ion levels and fine filtration and aggressive formulas to deal with heavy-duty stains.
	www.deltatec.com /Cleanroom.htm (299 words)

	Cleanroom Software Engineering, Inc. (Site not responding. Last check: 2007-10-29)
		Cleanroom Software Engineering, Inc. is a consulting firm specializing in software practice improvement.
		Cleanroom software engineering is an approach to software development that improves quality and reduces cost.
		Cleanroom Software Engineering, Inc. specializes in tailoring and adapting the Cleanroom approach for small and medium-sized projects.
	www.cleansoft.com (223 words)

	Dartmouth Microengineering Lab
		To the left is an image map of the laboratory: you can click on a piece of equipment for more information about it, or use the text map instead.
		The Dartmouth Solid State Microengineering Laboratory includes class 100 and 1000 cleanroom laboratories, located in room 223 of Cummings Hall at the Dartmouth College Thayer School of Engineering in Hanover, NH 03755-8000.
		Lab work in the cleanroom is an integral part of several undergraduate courses.
	engineering.dartmouth.edu /microengineering (274 words)

	Primarius - cleanroom technology, training and consulting (Site not responding. Last check: 2007-10-29)
		Our cleanroom training consultants have over 20 years experience in the Cleanroom Technology industry.
		Hands on industry knowledge is coupled with an academic background to bring together the latest scientific and technical advances in Cleanroom Training.
		Representation on International Cleanroom Committees also brings the latest industry trends in Cleanroom Techniques to the training forum.
	www.primarius.co.uk (140 words)

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