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Topic: Isolation and over protection

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	SCR devices in silicon-on-insulator CMOS process for on-chip ESD protection - US Patent 6750515 (Site not responding. Last check: 2007-11-05)
		An isolation, or insulation, layer 102, such as a buried oxide, is formed over semiconductor substrate 100.
		An isolation, or insulation, layer 202, such as a buried oxide, is formed over semiconductor substrate 200.
		Shallow trench isolations (STIs) 204 are formed over isolation layer 202 and contiguous with the SCR structure.
	www.patentstorm.us /patents/6750515.html (5680 words)

	Locos isolation process using a layered pad nitride and dry field oxidation stack and semiconductor device employing ... (Site not responding. Last check: 2007-11-05)
		As previously explained, the thickness of the PADOX 14 is a factor in determining the isolation integrity (e.g., bird's-beak length and stack lifting), which is a significant factor in minimizing the stress effects of the bird's-beak formed during the field oxide (FOX) formation.
		However, in an exemplary embodiment, the isolation structure 16 may comprise at least a third layer 16c with the overall thickness of the isolation structure 16 having a thickness that ranges between 3 nm and 120 nm.
		In one embodiment, the first isolation stack-sublayer 16a is deposited at a first deposition rate, for example 1 nm per minute, and the second isolation stack-sublayer 16b is then deposited over the first stack-sublayer 16a at a second deposition rate that is different from the first deposition rate, for example 2 nm per minute.
	www.patentstorm.us /patents/6380606.html (5666 words)

	totse.com \| 11 Myths of Surge Protection
		Some manufacturers attempt to isolate signal ground from frame ground, but all such isolation configurations have coupling coefficients and dynamic ranges which are likely to be exceeded by high-energy surges.
		Indicator lights purporting to show that protection is operational,are not always reliable; in fact, those are sometimes wired across the power line and thus only indicates that the power line is live.
		Much of the supplementary circuitry is actually peripheral to the surge protection function, such as lights and switches, or it provides a minimal level of noise filtering that will be ineffectual in the face of an actual surge.
	www.totse.com /en/technology/computer_technology/surge.html (1680 words)

	Patent 5949633: Fluorescent lamp drive system with transformer over-voltage protection circuit (Site not responding. Last check: 2007-11-05)
		The over-voltage protection circuit is coupled to the tertiary winding and provides a shut down signal to the shut down input in response to a voltage across the tertiary winding being above a threshold.
		The over-voltage protection circuit provides a shut down signal to the shut down input to cause the driver circuit to disable generation of the high voltage display signal.
		Over-voltage protection circuit 190 rectifies the signal from tertiary winding 163 and compares it to a threshold representing an over-voltage condition across secondary connections 117 and 118 of transformer T1.
	www.freepatentsonline.com /5949633.html (4682 words)

	High-Voltage Measurements and Isolation - Tutorial - Development Library - National Instruments
		With the use of isolation amplifiers, the conductive electrical path is eliminated and the common-mode rejection ratio is dramatically increased.
		The light signal is transmitted across the isolation barrier and detected by a photoconductive element on the opposite side of the isolation barrier.
		The isolation between each communication port and the host PC ensures the safe operation of the PC and the devices connected to other ports on the same board during accidental high voltages or line surges on communication lines.
	zone.ni.com /devzone/conceptd.nsf/webmain/DFB48BFBCBE9B84C86256DA20059D9B0?opendocument (3014 words)

	Questions & Answers on Protection Training Dogs Over 1 Year
		I always thought that a protection dog was a dog that basically stays with you or in your vehicle to keep the "bad guys " away.
		I've been wanting to start him on some protection training, my problem is that he is very dog aggressive and tends to be either intimidated or overly defensive around tall men, although he has been slowly improving in both areas.
		Over the years the training concepts have advanced light years ahead of Koehler, to the extent that his methods are on the same level as the model "T" ford.
	leerburg.com /qaprot.htm (14021 words)

	Wire-Line Isolation or Fiber Optic Extensions? - GPR and Lightning Protection -- Risk Management
		Thus, as far as isolation from a remote ground, there is no advantage of using a fiber facility extension over wire-line communications isolation.
		Over the life of the two different systems, because of the reliability advantage of wire-line communications isolation over a fiber facility extension, the maintenance costs will be much more (28 times more) for maintaining the fiber facility extension.
		The isolation using ‘Teleline Isolator’ is transparent to the network transmission, and eventual system upgrade will be equivalent to upgrading any wire-line communications into the total fiber infrastructure.
	www.gpr-expert.com /wire-or-fiber.htm (1074 words)

	RS232 over voltage protection
		In this case only protection componets are needed: one between transmit data and ground and another between receive data and ground.
		If more lines are used, then all of then must be protected with a protection component between signal wire and signal ground.
		In bad overvoltage situations is is recommended to use galvanic isolators in serial port lines or use serial data converters which provide isolation and protection (short haul modems, current loop adapaters etc.).
	www.hut.fi /Misc/Electronics/circuits/rs232_protector.html (695 words)

	NRC Generic Letter 90-06: Resolution of Generic Issue 70, "Power-Operated Relief Valve and Block Valve ...
		If the block valve is closed to isolate a PORV with excessive seat leakage, the operability of the block valve is of importance, because opening the block valve is necessary to permit the PORV to be used for manual control of reactor pressure.
		The continuation of overpressure transient events, and the unavailability of LTOP protection channels, suggested the need to reevaluate the current overpressure protection requirements, or their implementation, to determine whether additional measures are warranted.
		While LTOP protection is required for all shutdown modes, the most vulnerable period of time was found to be MODE 5 (Cold Shutdown) with the reactor coolant temperature less than or equal to 200 Deg F, especially when water-solid, based on the detailed evaluation of operating reactor experiences performed in support of GI-94.
	www.nrc.gov /reading-rm/doc-collections/gen-comm/gen-letters/1990/gl90006.html (8317 words)

	Marihuana Use and Its Effects
		The Survey estimated that about 24 million Americans over the age of 11 years (15% of the adults 18 and over, and 14% of the 12-17 year olds) have used marihuana at least once, referred to in this Report as ever-users.
		It provides a ready supply of drugs, unites common experiences and secrets that enhance the drug experience, and protects the individual against undesired experiences and against "the outside world." Most important, the culture instills self-confidence by reassuring the individual that he has been wise in choosing this new identity.
		This issue of an individual's change over a period of years is quite complex; a multitude of factors other than marihuana use may affect his life.
	www.druglibrary.org /schaffer/library/studies/nc/ncchap2.htm (12712 words)

	Child abuse - Wikipedia, the free encyclopedia
		Usually professional people such as doctors, nurses and teachers are bound to report strong evidence of abuse or neglect.
		State authorities, such as the Child Protection Unit of the Department of Human Services (Victoria), have statutory authority to investigate and deal with child abuse.
		Authorities protecting children may be called Child Protective Services (CPS), Department of Children and Family Services (DCFS), etc. The profession may be called "children's social worker" (CSW).
	en.wikipedia.org /wiki/Child_abuse (1399 words)

	IN SEARCH OF REALITY IVThe Emotional PersonalityA Study in ThoughtbyMarius Heuff
		Behavioural defects, caused by isolation, deprivation or over-protection during the formative years, can be as lethal for the organism as severe organic birth-defects, and, some behavioural aberrations are, indeed, incompatible with life within a social environment.
		The creative artist must have, therefore, by definition, a significant tension between his goals and his sense of accomplishment, and, he must be able to endure a relatively high level of tension and frustration in his daily life, in order to give depth, dimension and a general relevance to his artistic creations.
		However, we should not neglect the very important aspect of skill and mastery over the material with which the artist has to work, before we jump to the conclusion, that all artistic master-pieces are pure concretisations of a frustration-energy.
	www.mariusheuff.com /essay01/Sa004.htm (16750 words)

	Women and Disability Workshop - Final Report: Proceedings
		They are over represented in poverty and face the greatest incidence of disadvantage.
		It was noted that forced sterilization is not done to protect women from the outcomes of their self determined sexual actions, but to minimize the consequences of rape and sexual abuse by those supposed to be protecting their right to safety and dignity.
		Problems to be addressed are lack of access to information and contraception for many women with a disability and lack of prosecution of the criminal offences perpetrated against women with a disability, and the impunity enjoyed by so many men for these crimes.
	www.worldenable.net /wadbangkok2003/report1.htm (3719 words)

	National Semiconductor Expands Its Family of Power Switch and Protection ICs for the Growing USB-Enabled Desktop PC ...
		In addition to switching power to a USB "tree" of peripheral devices, they also notify their controllers when over-current, over-temperature or under-voltage fault conditions are detected.
		Such protection is required for devices that source power to computer peripherals, including root hubs, monitor and other embedded hubs, and stand-alone hub devices.
		The LM3543/44 provides thermal isolation between ports in over-current conditions, preventing good ports from glitching or asserting the error flag pin unnecessarily.
	www.semiseek.com /News/press_release1284.htm (536 words)

	Patent 5596530: Flash EPROM with block erase flags for over-erase protection (Site not responding. Last check: 2007-11-05)
		This is beneficial because the source and drain of transistors in non-selected subarrays during a read, program or erase cycle may be isolated from the currents and voltages on the bitlines and virtual ground lines.
		During the erase operations, the high voltages of the virtual ground line are isolated from the unselected blocks by the BBSEL transistors.
		Accordingly, a block erase scheme is provided with over-erase protection, and which is very efficient by skipping verification of blocks that need not be re-verified or have not been subject of the operation.
	www.freepatentsonline.com /5596530.html (9634 words)

	Charateristics of Isolation Procedures Example Essays.com - Over 101,000 essays, term papers and book reports!
		Isolation may be defined as a protection procedure against types of diseases that can be easily transmitted though personal contact or airborne transmission.
		This isolation procedure is strictly used for patients who are diagnosed with tuberculosis.
		Tuberculosis is an airborne transmitted disease and certain protective equipment must be worn to keep from being infected.
	www.exampleessays.com /viewpaper/22924.html (267 words)

	Power Technology - Certified signal conditioning, over-voltage protection, relay and opto-coupler isolation
		Power Technology - Certified signal conditioning, over-voltage protection, relay and opto-coupler isolation
		Certified signal conditioning, over-voltage protection, relay and opto-coupler isolation.
		This image is to illustrate the Weidmüller company profile.
	www.power-technology.com /contractors/pressure/weidmuller/weidmuller5.html (53 words)

	Press Release [TDK Adds 300W Type Switching PS Family] (Site not responding. Last check: 2007-11-05)
		The series has, as an accessory function, input protection, variable output voltage, input-output isolation and over current protection circuits.
		The CC series has realized a reduction in size by 40 ˜ 50% and an increase in efficiency by 10% to a 70 ˜ 85% high, compared to that of TDK's conventional CB series, by adopting an original, high efficiency circuit using newly developed low-loss ferrite.
		The series can operate over the temperature range of -20 ˜ +70°C. Production of 10,000 units/month in a factory in the AKITA area is planned.
	www.tdk.co.jp /teaah01/aah25000.htm (403 words)

	OneWorld U.S. Home / Today's News - Burma's Generals Face Growing Isolation over Suu Kyi's Detention
		In addition to her detention, many other NLD leaders and activists were rounded up or put under house arrest, while the party's offices in various parts of the country were closed.
		The junta has maintained that Suu Kyi was arrested for her own protection, a defense that was reiterated Thursday in Phnom Penh by Foreign Minister Win Aung.
		But O'Brien insisted Thursday that she is actually being held under one of the country's "most draconian" laws, the 1975 State Protection Law, under which she could held without trial for as long as five years.
	us.oneworld.net /article/view/62148/1 (752 words)

	FAQ, Why should I buy Electronic Specialists modem protectors, voltage regulators, power conditioners, surge ...
		and is coupled with an interference filter equivalent to filtration offered on most hi-end protection units.
		A similar comparison can be made to our modem protection systems.
		Over time, the most popular configurations have been incorporated into our catalog - and now into our Web site.
	www.elect-spec.com /faqwhy.htm (847 words)

	PC/104 Isolated Power Supply has over current protection. - Sensoray Co. Inc.
		Model 207 converts input voltages of 9—36 Vdc to output voltages +5 Vdc at 2 A max rating and ±12 VDC at 0.42 A max rating.
		With operating range of -25 to +71°C, unit has 1500 V max input/output isolation.
		A resetable fuse protects the unit from reverse input voltages and over current.
	news.managingautomation.com /fullstory/21304 (445 words)

	Electrical Equipment & Systems (Site not responding. Last check: 2007-11-05)
		Featuring power density of 1.05 W/cm³, isolated converters deliver 3 W output at temperatures from -40 to +85°C. Connectors are certified RoHS compliant.
		It combines overcurrent protection and multi-shot reclosing to protect lines and equipment using mix of phase, negative-sequence, and ground overcurrent elements.
		Password protected units offer PTC or NTC thermistor inputs with single or dual relay output, and configuration key can be used to program multiple units with the same settings.
	news.managingautomation.com /news/612/60 (1424 words)

	Welcome to PBDS (Site not responding. Last check: 2007-11-05)
		Generator: Power Tech 15.0 KW Diesel generator with quieting package, vibration isolation, over voltage protection, low coolant, low oil, and runaway shutdown.
		The generator will be equipped with a remote start/stop switch, and running time meter located at the main power panel in the work area.
		Generator: Power Tech 15.0 KW 230V 50Hz Diesel generator with quieting package, vibration isolation, over voltage protection, low coolant, low oil, and runaway shutdown.
	www.pbds.co.uk /page-02.html (687 words)

	IDE computer cables and round IDE cables. Which is best? (Site not responding. Last check: 2007-11-05)
		The ATA66/100 cables (Blue connector) use an extra 40 wires that are paired and ground to earth at one end to prevent ground isolation loop from occurring.
		And it must be remembered that there is a compromise between the distance from the wire to the shielding because the shielding actually reduces the signal strength, especially over long distances which is why boosters are fitted in some TV cable applications.
		The method used in SCSI where twisted pairs are used gives much better isolation and protection over short distances compared to flat IDE cables.
	www.a1-electronics.net /PcHardware/GenCompInfo/2002_3/IDECables.shtml (941 words)

	The Future for Investors : Why the Tried and the True Triumph Over the Bold and the New: Current Amazon U.S.A. ... (Site not responding. Last check: 2007-11-05)
		In addition to percentage allocation for US and non-US markets, he provides allocation targets for some of the specific investment strategies he discusses in the book (these strategies are well discussed and their rationale is convincingly presented; most of them are centered around the dividend paid by the company).
		The author also provides a sector analysis of the market over the years and provides his "prediction" on which three sectors will likely perform the best over the long term.
		As an aging boomer I'm feverishly contributing over 25% of my income to 401k and Roth accounts in the hope that I might be able to retire one day.
	www.equuscommercialfinance.com /books-reviewed/140008198X.html (3825 words)

	CEA Telecom - Racks and Enclosures
		All bars are equipped with isolation standoffs providing complete isolation form equipment frames.
		Provides over current protection and string isolation for ease of maintenance.
		Optional individual string isolation fusing for over current protection.
	www.ceatelecom.com /Racks.htm (382 words)

	Facts About Noise, Overprotection
		This means that these 90% of all noise exposed workers need hearing protection with only 5-10 dB of effective protection.
		Effective protection is defined as the protection a device will actually provide, as worn in the field.
		Field attenuation is lower than laboratory derived attenuation, mostly because the hearing protectors are not worn as intended.
	www.elvex.com /facts-over-protection.htm (399 words)

	Hardware Digital Output Modules
		Each output is individually isolated and does not require a direct connection to either supply rail.
		The heat sink temperature is monitored by the system to protect the module from overheating.
		These modules, incorporating snubberless triacs, are tolerant to repetitive switching even where there are surge currents (often caused by inductive loads such as solenoids) involved.
	www.psc.fp.co.nz /main/hardware/dom.htm (1313 words)

	Training course events
		Due to ever increasing dependency upon electronic systems, power conditioning and protection is a justifiable effort to achieve un-interruptible error-free performance.
		Basic theory of power disturbances protection techniques, commercial power line protection instruments, their theory, specifications and characteristics.
		Testing of some commercial mains surge arrestors and protection devices will be done.
	www.nrcmionzitz.freeservers.com /custom2.html (752 words)

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