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	PCB
		PCB is an interactive printed circuit board editor for the X11 window system.
		PCB includes a rats nest feature, design rule checking, and can provide industry standard RS-274-X (Gerber), NC drill, and centroid data (X-Y data) output for use in the board fabrication and assembly process.
		PCB offers high end features such as an autorouter and trace optimizer which can tremendously reduce layout time.
	pcb.sourceforge.net (72 words)

	Health Effects\| Polychlorinated Biphenyls (PCBs)\| US EPA (Site not responding. Last check: )
		PCBs have also been shown to cause a number of serious non-cancer health effects in animals, including effects on the immune system, reproductive system, nervous system, endocrine system and other health effects.
		PCBs are one of the most widely studied environmental contaminants, and many studies in animals and human populations have been performed to assess the potential carcinogenicity of PCBs.
		The types of PCBs that tend to bioaccumulate in fish and other animals and bind to sediments happen to be the most carcinogenic components of PCB mixtures.
	www.epa.gov /opptintr/pcb/pubs/effects.html (1902 words)

	PCB Home \| Polychlorinated Biphenyls (PCBs)\| US EPA
		EPA is seeking public comment on the proposed renewal of the PCB Disposal Approval for U.S. Army Chemical Agent M55 Rocket Incinerators.
		EPA is transferring the management of the PCB cleanup and disposal program from the Office of Prevention, Pesticides and Toxic Substances (OPPTS) to the Office of Solid Waste and Emergency Response (OSWER), effective October 1, 2007.
		Learn about PCBs and their health effects - PCBs are linked to numerous health issues including cancer and non-cancer effects on the endocrine, reproductive and immune systems.
	www.epa.gov /opptintr/pcb (491 words)

	PCBs: Scientific Facts on PCBs Polychlorinated biphenyls
		PCBs are found in the fatty tissues of animals living in water or on land, particularly those at the top of the food chain.
		PCB levels in sea water tend to be highest in waters near industrial areas.
		PCBs are a group of man-made chemicals that have been used in a variety of manufactured goods since 1929.
	www.greenfacts.org /en/pcbs/index.htm (1601 words)

	PCB Piezotronics, Inc.- Sensors that measure up!
		Join PCB® for the official launch of our new Automotive Sensors division at Automotive Testing Expo North America, October 24-26 at Rock Financial Showplace in Novi, Michigan.
		Be sure to visit our Other PCB® divisional sites
		PCB and ICP are registered trademarks of PCB Group, Inc.
	www.pcb.com (91 words)

	ATSDR - ToxFAQs™: Polychlorinated Biphenyls (PCBs)
		PCBs entered the air, water, and soil during their manufacture, use, and disposal; from accidental spills and leaks during their transport; and from leaks or fires in products containing PCBs.
		PCBs can still be released to the environment from hazardous waste sites; illegal or improper disposal of industrial wastes and consumer products; leaks from old electrical transformers containing PCBs; and burning of some wastes in incinerators.
		PCB exposures in the general population are not likely to result in skin and liver effects.
	www.atsdr.cdc.gov /tfacts17.html (1550 words)

	PCB.NO - ENGLISH (Site not responding. Last check: )
		PCB is a group of industrial chemicals developed in the 1920s.
		PCB is a slow-working toxin, which, to animals, increases the risk of damage to skin, digestive system, liver, lungs, nervous system, reproductive system (feminisation, abortion and stillbirth) and immune system.
		It is a tragic fact that women pass on PCB to their babies through the fat in the placenta and in breast milk.
	www.pcb.no /text.cfm?id=0-3 (781 words)

	PCB BROCHURE
		PCB members are available to help each other and to assist their sighted friends and neighbors better understand the difficulties of visual impairment.
		PCB members around the State are ready and willing to serve as speakers for groups or to talk with individuals encountering specific problems.
		PCB assistance, advocacy and encouragement will be carried out in such areas as but not limited to: all aspects of accessibility, transportation, education and employment.
	www.pcb1.org /pcbbro.htm (599 words)

	freshmeat.net: Project details for Pcb
		Pcb is a handy tool for the X Window System to design printed circuit boards.
		Pcb is intended to be a simple tool without memory and time consuming features like autorouter and autoplacement.
		Essentially all professional printed circuit board manufacturers expect each layer of the PCB to manufactured to be specified by a "Gerber" file, with additional files for the silk screens, solder masks, and - for surface mount boards - the solder paste masters.
	freshmeat.net /projects/pcb (310 words)

	pcb
		Polychlorinated biphenyls (or PCBs) are a group of colorless oils which were used extensively during the 50's, 60's and 70's in applications requiring highly stable oils possessing low conductivity and flammability properties.
		PCBs were also used in vacuum pumps, adhesives as hydraulic fluids, plasticizers, fire retardants, wax extenders, de-dusting agents, pesticide extenders, inks, lubricants, cutting oils, and in carbonless reproducing paper.
		PCBs and PCB containing articles are regulated by the EPA under the Toxic Substance Control Act (TSCA) and are not regulated as a hazardous waste.
	www.uidaho.edu /safety/pcb.htm (1123 words)

	Canadian PCB Regulatory Information: Ontario
		PCB equipment shall not be decontaminated at a mobile PCB destruction facility waste disposal site unless the certificate of approval for the site expressly allows the activity.
		All PCB liquid that is spilled shall be safely and effectively contained forthwith and the liquid and all associated contaminated materials shall be placed in closed containment.
		Mobile PCB destruction machinery including pumps, hoses, connections and other equipment used to handle PCB waste shall be thoroughly inspected for leaks and signs of wear during each start-up and shut-down of operation of the equipment and at least once during every continuous eight hour period of operation of the equipment.
	www.uic.edu /spha/glakes/pcb/regs_ca_ontario5.htm (1138 words)

	Glossary of Printed Circuit Design and Manufacturing
		The PCB footprint will have round landing pads to which the solder balls will be soldered when the package and PCB are heated in a reflow oven.
		PCB database —All of the data fundamental to a PCB design, stored as one or more files on a computer.
		It is designed to reflect the technology used on the PCB, such as smallest plated-through hole size, any blind or buried vias, etc. It is cut away from the panel and can be embedded in a clear plastic to prepare it for destructive testing.
	www.goldengategraphics.com /pcgloss.htm (9643 words)

	PCB
		The initial treatment of the sludge was conducted within the sump, minimizing risks related to removing and transporting the PCB waste.
		The treatment method was effective in reducing the concentration of PCB's to less than 50 mg/kg, even though, the conditions for the treatment were less than ideal for the microbes.
		Treatment of PCB contaminated material can be conducted at a customers site at a fraction of the cost of shipping the material to existing facilities in Canada or the United States.
	www.caldwellenvironmental.com /pcb.htm (343 words)

	PCB News
		PCB's actions (the commands which drive the core of the program and may be directly accessed by the user) now have the documentation in-line in the code and the actions reference section of the manual is extracted from the in-line documentation.
		If you are tracking pcb with CVS and you want the Xaw version, you will need to use the "-r pcb-xaw" option to cvs when updating next time.
		This represents a fairly substantial change to pcb and there are a few known issues which still need to be addressed.
	pcb.sourceforge.net /news.html (2814 words)

	PCB's
		PCB levels in blood or body fat can be measured, but no one knows what any given level of PCBs in the blood or fat means.
		Although PCBs can affect the levels in your blood of certain enzymes made by your liver, there is no reliable way to relate these levels to PCB exposure.
		However, a pregnant woman's exposure to large amounts of PCBs could affect the subsequent health of her baby and could cause spontaneous abortion or miscarriage if the exposure levels are high enough to make the mother sick.
	www.dhs.ca.gov /ohb/HESIS/pcbs.htm (1862 words)

	gsch2pcb tutorial
		The goal is to use gsch2pcb as the bridge between gschem and PCB so that the schematics can always be in sync with the PCB layout because all element additions or deletions in the layout will automatically be driven by changes in the schematics.
		A PCB element is a group of pins, pads, and silk layer outlines physically corresponding to electronic components.
		And if you run pcb board.pcb and load the new netlist and then optimize the rats nest, PCB should tell you the board is complete which means connecting the opamp power pins via the net attribute has worked.
	www.geda.seul.org /docs/current/tutorials/gsch2pcb/tutorial.html (6647 words)

	PCB Layout - Printed Circuit Board Layout and Design (Site not responding. Last check: )
		The connections on the PCB should be identical to the circuit diagram, but while the circuit diagram is arranged to be readable, the PCB layout is arranged to be functional, so there is rarely any visible correlation between the circuit and the layout.
		A PCB will usually have mounting holes and may possibly have cutouts, by cutting an actual size checkplot and placing it in the enclosure, you can see how it will be positioned in relation to other parts.
		Unless the whole PCB is gold plated before etching, this technique is limited in its application, normally, to pads on the edge of a PCB, as an electrolytic plating bar must be attached to the pads, and then removed part way through the PCB manufacturing process.
	www.airborn.com.au /method/layout.html (1115 words)

	PCB Piezotronics, Inc. - Feedback
		As President of PCB Piezotronics Inc. I welcome the opportunity to supply measurement instrumentation that meets or exceeds your expectations.
		Since 1968, PCB Piezotronics has continued to invest in people and capabilities required to meet this goal.
		What makes PCB Piezotronics different from our competitors is the commitment to customer satisfaction.
	www.pcb.com /feedback (282 words)

	Parc Científic de Barcelona (PCB) (Site not responding. Last check: )
		A French delegation, chaired by the ambassador of France in Spain, Claude Blanchemaison, and representatives from the PCB and the UB met on Tuesday 23 January to consider several lines of institutional collaboration in teaching and research.
		This meeting is the fruit of a programme of activities that was agreed in the France-Spain Forum, held in November 2006 in Girona, and which involved a group of researchers and teachers from both countries.
		Conferences on gender equality in Maths education to be held at the PCB
	www.pcb.ub.es /homePCB/live/en/p1.asp (382 words)

	PCB Home Page (Site not responding. Last check: )
		The new latest PCB stuff is here on sourceforge
		pcb is free software for designing printed circuit board layouts.
		pcb was orignally written by Thomas Nau of University of Ulm, Germany, and is now maintained by harry eaton of the Johns Hopkins University Applied Physics Laboratory, Laurel, Maryland, USA.
	bach.ece.jhu.edu /~haceaton/pcb (240 words)

	PCB Design
		Our Allegro PCB Design L series is ideally suited to small- to medium-size teams that require an initial cost-conscious solution—with the flexibility to scale as technology challenges increase.
		Allegro PCB Design L provides an all-inclusive front-to-back design flow tailored to meet the needs of cost-conscious small- to medium-size design teams.
		Allegro PCB Design XL is the partner solution to Allegro PCB SIhigh-speed design and analysis, which provides solution space analysis, pre- and post-route interconnect analysis as well as constraint development and virtual prototyping.
	www.cadence.com /products/si_pk_bd/mainstream_pcb_dt.aspx (388 words)

	PCB-pcb printed circuit boards
		From a simple prototype evaluation board to a multi-gigabit application to high volume consumer electronics applications; providing solutions to your PCB design needs is our goal.
		This experience, combined with a unique PCB Design and Review Process, assures that you get a design that matches your needs and is manufacturable.
		Located just 15 minutes away from PCBpro, your finished PCBs can be delivered directly to their facility for assembly.
	www.pcbpro.com /pcblinks.php (1347 words)

	ICC -> Labels -> PCB
		PCB labels play a very important role in protecting humans and the environment from the hazards polychlorinated biphenyls present.
		PCBs are regulated because they are not readily biodegradable and do not easily break apart.
		PCB labels are UV coated to protect against sun and rain.
	www.thecompliancecenter.com /labels/pcb.htm (961 words)

	PCB Libraries
		PCB Libraries also has an active online forum used by many experts in the PCB industry.
		PCB Libraries, Inc. consists of a team of four individuals who worked with IPC - Association Connecting Electronics Industries to develop the land pattern calculators and create tools for the long-awaited industry standard: the IPC-7351A, which supersedes the IPC-SM-782.
		PCB Libraries helped IPC develop the world standard Land Pattern Naming Convention, the IPC-7351 Land Pattern Calculator, the Zero Component Orientations for all CAD Land Patterns, the Standard Silkscreen and Assembly standard data for Land Patterns and the 3D component model data.
	www.pcblibraries.com /Mentor (300 words)

	Pcb
		PCB Designer is a cost effective, easy to use electronic printed circuit board PCB layout application.
		DipTrace is an advanced PCB design software application that comes with PCB Layout module, powerful auto-router, Schematic Capture and Component/Pattern editors to design your own component libraries.
		DipTrace is an advanced PCB design software application that consists of 4 modules: PCB Layout with efficient auto-router, Schematic Capture, Component and Pattern Editors that allow you to design your own component libraries.
	www.downloadjunction.com /product/software/23119/index.html (269 words)

	AT89C2051 PCB
		This PCB is a small simple application for the Atmel AT89C2051 microprocessor - a 20 pin 8051 variant, with FLASH (reprogrammable) program memory.
		Switch SW2 allows the PCB to be turned on and off.
		The symbol PCB LAM#1 is a record of the PCB laminate ID number, and ensures the PCB laminate appears in the parts list
	airborn.com.au /pcb01/hseti1.html (612 words)

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