Unit of length m 0.000000001 accuracy 4 A nanometre American English American spelling nanometer symbol nm is a units of measurement unit of length in the metric system , equal to one billion th of a metre . The name combines the SI prefix nano from the Ancient Greek lang grc , lang grc Latn nanos , dwarf with the parent unit name metre from Greek lang grc , lang grc Latn metr n , unit of measurement . The nanometre is often used to express dimensions on the atomic scale the diameter of a helium atom, for example, is about 0.1 nm, and that of a ribosome is about 20 nm. The nanometre is commonly used to specify the wavelength of electromagnetic radiation near the visible part of the electromagnetic spectrum spectrum visible light, in particular, ranges from 400 to 700 nm. In these uses, the nanometre appears to be supplanting the other common unit for atomic scale dimensions, the angstrom , which is equal to 0.1 nanometre. This unit is often associated with the field of nanotechnology . Since late 1980s, it has also been used to describe generations of the semiconductor device fabrication manufacturing technology in the semiconductor industry . The nanometre was formerly known as the millimicron , since it is 1 1000 of a micron micrometre , and was often denoted by the symbol m or more rarely . ref Cite journal first The last Svedberg first2 J. Burton last2 Nichols title Determination of the size and distribution of size of particle by centrifugal methods journal Journal of the American Chemical Society year 1923 volume 45 issue 12 pages 2910 2917 doi 10.1021 ja01665a016 ref ref Cite journal first The last Svedberg first2 Herman last2 Rinde title The ulta centrifuge, a new instrument for the determination of size and distribution of size of particle in amicroscopic colloids journal Journal of the American Chemical Society year 1924 volume 46 issue ... tr Nanometre ur za Nazmij vi Nan m t zh ... more details
To help compare different orders of magnitude s this page lists length s between 10 sup 9 sup metre s and 10 sup 8 sup metres 1 nanometre s and 10 nanometres . 1 E 10 m Distances shorter than 1 nanometre 1 nm 1 nanometre 1000 picometre s 10 angstrom s 2 nm diameter of DNA helix ref cite web last Stewart first Robert title Dr. url http rh.healthsciences.purdue.edu vc theory dna index.html work Radiobiology Software accessdate 29 June 2011 ref 3.4 nm length of a DNA Turn biochemistry turn 10 Base pair bp Citation needed date February 2009 3 8 nm size of an Albumins albumin protein molecule Citation needed date February 2009 6.8 nm width of a haemoglobin molecule Citation needed date February 2009 7.5 nm thickness of a cell membrane 1 E 8 m Distances longer than 10 nanometres See also Nanoflower Associations Orders of magnitude length wide Notes Reflist External links cite book title Nanotechnology Overviews chapter A nano scale overview url http en.wikibooks.org wiki Nanotechnology Overviews A nano scale overview publisher Wikibooks accessdate 2009 02 21 archiveurl http web.archive.org web 20090326080749 http en.wikibooks.org wiki Nanotechnology Overviews archivedate 26 March 2009 DASHBot deadurl no when template is able to link to specific section modify and uncomment following wikibookspar Nanotechnology Introduction Clarify me date December 2008 the book really covers the scale at Nanotechnology Overviews A nano scale overview, but how to make the template cleanly interlink to it? DEFAULTSORT 1 Nanometre Category Orders of magnitude length 09 es Anexo 1 E 9 m eo 1 E 9 m fr 1 E 9 m it 1 E 9 m sl 1 E 9 m sh 1 E 9 m ... more details
Image Baikal S1999276045323.png thumb Photo of Lake Baikal from SeaWiFS Image AYool SEAWIFS annual.png thumb SeaWIFS derived average sea surface chlorophyll for the period 1998 to 2006. SeaWiFS stands for Sea viewing Wi de field of view F ield of view S ensor. It was the only Measuring instrument scientific instrument on GeoEye s OrbView 2 AKA SeaStar satellite , and was a follow on experiment to the Coastal Zone Color Scanner on Nimbus program Nimbus 7 . Launched August 1, 1997 on an Orbital Sciences Pegasus small air launched rocket , SeaWiFS began scientific operations on 18 September 1997 and stopped collecting data on 11 December 2010 ref name OceanColor cite web url http oceancolor.gsfc.nasa.gov cgi browse.pl?sen sw&typ GAC title Ocean Color Browse author NASA, Goddard Space Flight Center date February 14, 2011 accessdate February 14, 2011 ref . The sensor resolution is 1.1 km LAC , 4.5 km GAC . The sensor recorded information in the following optical bands border 1 cellpadding 2 Band Wavelength 1 402 422 nanometre nm 2 433 453 nanometre nm 3 480 500 nanometre nm 4 500 520 nanometre nm 5 545 565 nanometre nm 6 660 680 nanometre nm 7 745 785 nanometre nm 8 845 885 nanometre nm The instrument was specifically designed to monitor ocean characteristics such as chlorophyll a concentration and water clarity. It was able to tilt up to 20 degrees to avoid sunlight from the sea surface. This feature is important at equatorial latitudes where glint from sunlight often obscures water colour. SeaWiFS had used the Marine Optical Buoy Contribution Marine Optical Buoy for vicarious calibration. The SeaWiFS Mission is an industry government partnership, with NASA s Ocean Biology Processing Group at Goddard Space Flight Center having responsibility for the data collection, processing, calibration, validation, archive and distribution. The current SeaWiFS Project manager is Gene Carl Feldman . References Cracknell, A. P., S. K. Newcombe, A. F. Black and N. E. Kirby 20 ... more details
The nano abacus is a nanometre nano sized abacus developed by IBM scientists. Stable rows made up of ten molecule s act as the railings of the abacus. The beads are made up of fullerene and are pushed around by the tip of a scanning tunneling microscope . The nano abacus has the potential to be used in a variety of Nanotechnology nanotechnological inventions such as the molecular computer nano computer . http www.zurich.ibm.com news 96 n 19961113 01.html Category Nanotechnology ar ru nano tech stub ... more details
Orphan date February 2009 In an optical fiber , the material dispersion coefficient , M , characterizes the amount of pulse broadening by material dispersion optics dispersion per unit length of fiber and per unit of spectral width . It is usually expressed in picosecond s per nanometre kilometre . For many optical fiber materials, M approaches zero at a specific wavelength sub 0 sub between 1.3 and 1.5 m . At wavelengths shorter than sub 0 sub , M is negative and increases with wavelength at wavelengths longer than sub 0 sub , M is positive and decreases with wavelength. Pulse broadening caused by material dispersion in a unit length of optical fiber is given by the product of M and spectral width . References FS1037C Category Fiber optics optics stub ... more details
Unreferenced date August 2009 To help compare different orders of magnitude this page lists area s between 10 sup 14 sup square metre m sup 2 sup and 10 sup 13 sup m sup 2 sup 10,000 to 100,000 nanometre nm sup 2 sup . See also orders of magnitude area areas of other orders of magnitude . 1 E 15 m Areas smaller than 10 sup 14 sup m sup 2 sup 1 E 13 m Areas larger than 10 sup 13 sup m sup 2 sup area Category Orders of magnitude area ... more details
Unreferenced date August 2009 To help compare different orders of magnitude this page lists area s between 10 sup 15 sup square metre m sup 2 sup and 10 sup 14 sup m sup 2 sup 1,000 to 10,000 nanometre nm sup 2 sup . See also orders of magnitude area areas of other orders of magnitude . 1 E 16 m Areas smaller than 10 sup 15 sup m sup 2 sup 4,000 nm sup 2 sup Approximate surface area of the smallest known virus a parvovirus 1 E 14 m Areas larger than 10 sup 14 sup m sup 2 sup area Category Orders of magnitude area ... more details
Refimprove date December 2009 Nanoporous materials consist of a regular Organic chemistry organic or inorganic framework supporting a regular, porous structure. Pores are by definition roughly in the nanometre range, that is between 1x10 sup 7 sup and 0.2x10 sup 9 sup m. Subdivisions Nanoporous materials can be subdivided into 3 categories, set out by IUPAC Microporous material s 0.2 2 nm ref http goldbook.iupac.org M03909.html ref Mesoporous material s 2 50 nm ref http goldbook.iupac.org MT07177.html ref Macropore Macroporous materials 50 1000 nm ref http goldbook.iupac.org MT07177.html ref References Reflist Category Scientific terminology Category Porous media Chemistry stub ... more details
Mastigonemes are Anatomical terms of location lateral hairs found covering the flagellum flagella of heterokont and Cryptomonad cryptophyte algae ref name hoek95 Hoek, C. van den, Mann, D. G. and Jahns, H. M. 1995 . http books.google.co.uk books?id xuUoiFesSHMC&printsec frontcover Algae An introduction to phycology , Cambridge University Press, UK. ref . They are approximately 15 nanometre nm in diameter, and usually consist of a tubular shaft that itself terminates in smaller hairs . It is believed that they assist in animal locomotion locomotion by increasing the surface area of a flagellum. References references cell biology stub Category Algae Category Heterokonts Category Cryptophytes Category Flagellates ... more details
File A.C.Clarke The Next Tenants.jpg thumb The Next Tenants is a science fiction short story by Arthur C. Clarke first published in 1956 and included in several collections of Clarke s writings, including Tales from Planet Earth . Arthur C. Clarke describes tiny machines that operate on a Micrometre microscale millionth of a meter . While these machines are not Nanometre nanoscale billionth of a meter , they are the first fictional example of the concepts now associated with nanotechnology. Category 1956 short stories Category Short stories by Arthur C. Clarke cs P t n jemn ci ro The Next Tenants ... more details
Resolution enhancement technology RET is a form of image processing technology used to manipulate dot characteristics popular among laser printer and inkjet printer manufacturers. Closely related RET techniques are also used in Very large scale integration VLSI photolithography manufacturing technology, in particular in relation to 90 nanometre technology. Resolution refers to the sharpness of image detail, smoothness of curved lines, and the faithful reproduction of an image. In both cases, RET uses pre compensation of the image in order to try to mitigate the effects of the printing process. Among the major issues in RET in VLSI technology are the fundamental properties of a wave amplitude, phase, and direction. External reference http www.techonline.com community tech group soc tech paper 36297 Tech Online http www.mentor.com products ic nanometer design litho modeling Mentor Graphics Litho Modeling http www.synopsys.com products solutions dfm.html Synopsys Design For Manufacturing Category Image processing Category Printing compu hardware stub ... more details
notability date September 2011 Unreferenced date January 2007 CMOS manufacturing processes The 250 nanometre nm process refers to a level of semiconductor process technology. Products featuring 250 nm manufacturing process The DEC Alpha 21264A, which was made commercially available in 1999. The AMD K6 2 Chomper and Chomper Extended . Chomper was released on May 28, 1998. The AMD K6 III Sharptooth used 250 nm. The mobile Pentium MMX P5 microarchitecture P55C, Tillamook Tillamook , released in August 1997. The Pentium II Deschutes microprocessor Deschutes . The Pentium III Katmai microprocessor Katmai . The Dreamcast CPU and GPU. The initial PlayStation 2 s Emotion Engine CPU. Sequence prev 350 nanometer 350 nm next 180 nanometer 180 nm list CMOS manufacturing processes DEFAULTSORT 250 Nanometer Category International Technology Roadmap for Semiconductors lithography nodes Category 1998 introductions Nano tech stub ar 250 es 250 nan metros ko 250 nm it 250 nm ... more details
notability date September 2011 Unreferenced date February 2007 CMOS manufacturing processes The 800 nanometre nm process refers to the level of semiconductor process technology that was reached in the 1989 1990 timeframe, by most leading semiconductor companies, like Intel and IBM . Products featuring 0.8 m manufacturing process Intel 80486 Intel 486 CPU launched in 1989 was manufactured using this process. microSPARC microSPARC I launched in 1992 First Intel P5 microarchitecture P5 P5 Pentium brand Pentium CPUs at 60 MHz and 66 MHz launched in 1993 Sequence prev 1 m process 1 m next 600 nanometer 600 nm list CMOS manufacturing processes DEFAULTSORT 800 Nanometer Category International Technology Roadmap for Semiconductors lithography nodes nano tech stub ar 800 es 800 nan metros fr 800 nm ko 800 nm it 800 nm ... more details
notability date September 2011 Unreferenced date February 2007 CMOS manufacturing processes about semiconductor manufacturing the wavelength Orange colour The 600 nanometre nm process refers to the level of semiconductor process technology that was reached in the 1994 1995 timeframe, by most leading semiconductor companies, like Intel and IBM . Products featuring 0.6 m manufacturing process Intel 80486DX4 CPU launched in 1994 was manufactured using this process. IBM Motorola PowerPC 601 , the first PowerPC chip, was produced in 0.6 m. Intel Intel P5 Pentium CPUs at 75 MHz, 90 MHz and 100 MHz were also manufactured using this process. Sequence prev 800 nanometer 800 nm next 350 nanometer 350 nm list CMOS manufacturing processes DEFAULTSORT 600 Nanometer Category International Technology Roadmap for Semiconductors lithography nodes nano tech stub ar 600 es 600 nan metros ko 600 nm it 600 nm ... more details
The lamina lucida is a component of the basement membrane which is found between the epithelium and underlying connective tissue eg. epidermis skin epidermis and dermis of the skin . It is a roughly 40 nanometre wide electron lucent zone between the plasma membrane of the basal cells and the electron dense lamina densa of the basement membrane. ref name Andrews James, William Berger, Timothy Elston, Dirk 2005 . Andrews Diseases of the Skin Clinical Dermatology 10th ed. . Saunders. Page 5. ISBN 0 7216 2921 0. ref Similarly, electron lucent and electron dense zones can be seen between enamel of teeth and the junctional epithelium. The electron lucent zone is adjacent to the cells of the junctional epithelium and might be considered a continuation of the lamina lucida as both are seen to harbour hemidesmosomes. However, unlike the lamina densa, the electron dense zone adjacent to enamel show no signs of hemidesmosomes. ref Lindhe s Clinical Periodontology and Implant Dentistry, 4th ed. ref Also see Basal lamina References reflist integumentary system Dermatology stub Category Skin anatomy ... more details
ngstr m is a Swedish surname which may refer to People Anders Jonas ngstr m 1814 1874 , Swedish physicist Anders Knutsson ngstr m 1888 1981 , Swedish physicist and meteorologist Lars ngstr m , Swedish Green Party politician and member of the Riksdag Yvonne ngstr m , Swedish Liberal People s Party politician Other ngstr m , unit of length equal to 0.1 nanometre. Angstrom exponent ngstr m exponent , an exponent used to describe the dependency of the aerosol optical thickness. ngstr m crater , lunar crater. 42487 ngstr m , main belt asteroid. ngstr m distribution , Linux distribution for embedded devices. Rabbit Angstrom Harry Rabbit Angstrom , character in John Updike s Rabbit series. disambig DEFAULTSORT Angstrom Category Surnames Category Swedish language surnames be x old de ngstr m fr ngstr m homonymie nl ngstr m ru simple Angstrom disambiguation tl ngstr m paglilinaw ... more details
Unreferenced date December 2009 image Mitochondrie.svg thumb 300px Mitochondria structure br 1 Inner membrane br 2 Outer membrane br 3 Crista br 4 Matrix biology Matrix The outer mitochondrial membrane , which encloses the entire organelle, has a protein to phospholipid ratio similar to the eukaryotic plasma membrane about 1 1 by weight . It contains numerous integral protein s called Porin protein porin s , which contain a relatively large internal channel about 2 3 Nanometre nm that is permeable to all molecules of 5000 Atomic mass unit dalton s or less. Larger molecules can only traverse the outer membrane by active transport through mitochondrial membrane transport protein s. The outer membrane also contains enzyme s involved in such diverse activities as the elongation of fatty acid s, oxidation of epinephrine adrenaline , and the Biodegradation degradation of tryptophan . Mitochondrial enzymes See also Bacterial outer membrane MITOL mitochondrial ubiqutin ligase is localized in the mitochondrial outer membrane. DEFAULTSORT Outer Mitochondrial Membrane Category Membrane biology ca Membrana mitocondrial externa zh ... more details
Dablink For the product of protein aggregation, see Amyloid Amyloid biophysics Amyloid . Unreferenced date December 2009 unclear date December 2010 mergefrom Fibrillogenesis date December 2010 mergefrom Microfibril date January 2011 Fibril is a fine fiber approximately 1 Nanometre nm in diameter. citation needed date December 2010 Cytoplasmic fibrils are observed on the protoplasm ic cylinders found in most spirochetal species , although no function of the cytoplasmic fibrils has been ascribed. citation needed date October 2011 Polysaccharides , the union of several linked monosaccharides , sometimes serve as a structural compound. Cellulose , the most abundant organic compound on Earth citation needed date October 2011 , forms cable like strings, known as fibrils in the tough walls that enclose plant cell s. While cellulose is a compilation of glucose monomer s, they form unbranched, long strands instead of coils like starch or glycogen . These are arranged in parallel line s which form on top of each other in an intricate layer through hydrogen bond ing. citation needed date October 2011 Insect flight muscle is said to be fibrillar, in that it contracts in response to being stretched by antagonistic muscle, so as to allow very rapid up to 1000 Hertz Hz contraction. citation needed date October 2011 See also Fibre Microfibril Myofibril Neurofibril Fibrillogenesis Protein filament Category Fibers biochemistry stub de Fibrille fr Fibrille ko io Fibrilo sv Fibrill ... more details
Orphan date February 2009 Image NBD TMA.png frame right NBD TMA NBD TMA 2 4 nitro compound nitro 2,1,3 azole benzoxadiazol 7 yl amine amino ethyl trimethylammonium is a small 139 Unified atomic mass unit u , positively charged 1 fluorescent dye. It was also known as EAM 1 N,N,N, Trimethyl 2 7 nitro 2,1,3 benzoxadiazol 4 yl amino ethanaminium iodide when it was briefly supplied by Macrocyclics Company as an iodide complex. NBD TMA has an excitation maximum at 458 nanometre nm and an emission maximum at 530 nm. It also has a smaller local excitation maximum around 343 nm. The molar extinction coefficient is about 13,000 cm sup 1 sup M sup 1 sup and its overall effective fluorescence is about 1 that of fluorescein . It is only mildly sensitive to halide ion collision quenching. NBD TMA was designed as a probe for monitoring kidney renal transport of organic ion cation s. As a small, positively charged fluorophore , it has also seen use as a tracer for measuring gap junction coupling in cases of cation selective connexin channels. Further reading PMID 10864014 PMID 15869481 Category Dyes ... more details
Nanophase materials are materials that have grain sizes under 100 nanometre s. They have different mechanical and optical properties compared to the large grained materials of the same chemical composition . transparency optics Transparency and different transparent colours can be achieved with nanophase materials by varying the grain size. Nanophase materials Nanophase metals usually are many times harder but more brittle than regular metal s. nanophase copper is a superhard material nanophase aluminum nanophase iron is iron with a grain size in the nanometer range. Nanocrystalline iron has a tensile strength of around 6 GPA, twice that of the best maraging steels. http www.nanosteelco.com technology nanoscale micro 03.html Nanophase ceramic s usually are more ductile and less brittle than regular ceramic s. References http www.answers.com topic nanophase material Sci Tech Dictionary Nanophase material, McGraw Hill Dictionary of Scientific and Technical Terms Footnotes References External links http www.sciamdigital.com browse.cfm?ITEMIDCHAR 63A2C4E3 5765 4155 B295 AF9ABF042A6&methodnameCHAR &interfacenameCHAR browse.cfm&ISSUEID CHAR 2C8189DC 8FB3 40E3 A7DF CC9F418E80F&ArticleTypeSubInclude BIT 0&sequencenameCHAR itemP Creating Nanophase Materials . Scientific American subscription required http www.phy.mtu.edu suits nanophase.html Nanophase Materials , Michigan Tech http www.cclms.lsu.edu cclms research research nanophase.html Research on Nanophase Materials , Louisiana State University Category Materials material stub ... more details
To help compare different orders of magnitude this page lists area s between 10 sup 13 sup square metre m sup 2 sup and 10 sup 12 sup m sup 2 sup 100,000 nanometre nm sup 2 sup to 1 micrometre m sup 2 sup . See also orders of magnitude area areas of other orders of magnitude . 1 E 14 m Areas smaller than 10 sup 13 sup m sup 2 sup 100,000 nm sup 2 sup is equal to 1 E 13 m sup 2 sup 128,000 nm sup 2 sup Specification area of a single pit on a DVD 330,000 nm sup 2 sup Approximate area of a DRAM memory cell as of 2005 ref http www.electronicsweekly.com Articles 2005 10 07 36488 Twin transistorRAMcutspowerandcellsize.htm Twin transistor RAM cuts power and cell size 07 10 2005 Electronics Weekly Bot generated title ref 500,400 nm sup 2 sup Specification area of a single pit on a Compact disc 1 E 12 m Areas larger than 10 sup 12 sup m sup 2 sup Notes references Burrows, Paul, and Carlson, Eric. http stream.uen.org medsol dvd pages dvd format DVDvsCD.html DVD Format Definition . New Media Integration Group, University of Utah. Retrieved January 31, 2006. area Category Orders of magnitude area ... more details
notability date September 2011 Unreferenced date December 2006 CMOS manufacturing processes The 180 nanometre nm process refers to the level of semiconductor process technology that was reached in the 1999 2000 timeframe, by most leading semiconductor companies, like Intel , Texas Instruments , IBM , and TSMC . The origin of the 180 nm value is historical, as it reflects a trend of 70 scaling every 2 3 years. The naming is formally determined by the International Technology Roadmap for Semiconductors ITRS . Some of the first CPU s manufactured with this process include Intel Coppermine microprocessor Coppermine family of Pentium III processors. This was the first technology using a gate length shorter than that of light used for photolithography lithography which has a minimum of 193 nm . Some more recent microprocessors and microcontrollers e.g. PIC microcontroller PIC are using this technology because it is typically low cost and does not require upgrading of existing equipment. Processors using 180 nm manufacturing technology Intel Coppermine microprocessor Coppermine E October, 1999 Intel Celeron Willamette 128 Celeron Willamette May, 2002 Motorola PowerPC G4 PowerPC 7445 and 7455 PowerPC 7445 and 7455 Apollo 6 January, 2002 Sequence prev 250 nanometer 250 nm next 130 nanometer 130 nm list CMOS manufacturing processes DEFAULTSORT 180 Nanometer Category International Technology Roadmap for Semiconductors lithography nodes nano tech stub es 180 nan metros ko 180 nm it 180 nm ... more details
Infobox Anatomy Name PAGENAME Latin vas sinusoideum GraySubject GrayPage Image Sinusoid.jpeg Caption Sinusoid of a rat liver with fenestrated endothelial cells. Fenestrae are approx 100 Nanometre nm diameter, and the sinusoidal width 5 Micrometre m . Image2 Hepatic structure2.svg Caption2 Basic liver structure Precursor System Artery Vein Nerve Lymph MeshName MeshNumber Code Terminologia Histologica TH H3.04.05.0.00014 A liver sinusoid is a type of Sinusoid blood vessel sinusoidal blood vessel with fenestrated, discontinuous endothelium that serves as a location for the oxygen rich blood from the hepatic artery and the nutrient rich blood from the portal vein . ref http www.siumed.edu dking2 erg liver.htm sinusoids SIU SOM Histology GI Bot generated title ref Hepatocytes are separated from the sinusoids by the space of Disse . Kupffer cells are located inside the sinusoids and can Phagocytosis take up and destroy foreign material such as bacteria . Additional images gallery Image Sinusoid.JPG Human liver sinusoid Image Gray1092.png A single lobule of the liver of a pig. X 60. gallery References references External links UIUCHistologySubject 589 BUHistology 15504loa Liver, Gall Bladder, and Pancreas liver, classic lobule BUHistology 22103loa Ultrastructure of the Cell hepatocytes and sinusoids, sinusoid and space of Disse http www.lab.anhb.uwa.edu.au mb140 CorePages Liver liver.htm LIVER Histology at anhb.uwa.edu.au digestive stub circulatory stub Digestive glands Veins of the torso Category Veins of the torso Category Liver anatomy ar de Lebersinusoid ... more details
notability date September 2011 Refimprove date February 2007 CMOS manufacturing processes The 350 nanometre nm process refers to the level of semiconductor process technology that was reached in the 1995 1996 timeframe, by most leading semiconductor companies, like Intel and IBM . Products featuring 350 nm manufacturing process Intel Pentium Pro 1995 , Pentium brand Pentium P5 microarchitecture P54CS P54CS , 1995 , and initial Pentium II CPU s Klamath microprocessor Klamath , 1997 . Advanced Micro Devices AMD AMD K5 K5 1996 and original AMD K6 Model 6, 1997 CPUs. NEC VR4300 , used in the Nintendo 64 game console. Parallax Propeller , 8 core microcontroller ref http forums.parallax.com showthread.php?130327 Propeller I semiconductor process technology Is it 350nm or 180nm ref Sequence prev 600 nanometer 600 nm next 250 nanometer 250 nm list CMOS manufacturing processes References references DEFAULTSORT 350 Nanometer Category International Technology Roadmap for Semiconductors lithography nodes Category 1995 introductions nano tech stub ar 350 es 350 nan metros ko 350 nm it 350 nm ... more details
Multiple issues orphan June 2007 unreferenced July 2007 expert spectroscopy incomplete July 2008 date March 2009 Surface analysis tools are instruments and spectrometers that use surface analysis techniques such as AES Auger Electron Spectroscopy sometimes called Scanning Auger Microscopy SAM XPS X ray photoelectron spectroscopy also known as ESCA Electron Spectroscopy for Chemical Analysis and SIMS Secondary ion mass spectrometry to characterize the composition and structure of the top few layers of atoms in a surface. Note that there are numerous related techniques which may also qualify as surface analysis . Surface analysis most often uses electron , x ray , or ion probes to remove electrons or ions from the material so as to characterize the elemental composition, chemistry and elemental distribution in a region that is, roughly, 1 to 10 Nanometre nm thick. If information is desired from a thicker region of the specimen, depth profiling techniques are often used where a high energy ion generally between 500 and 5,000 eV is employed to strip material off the surface and the resultant freshly exposed surface is then analyzed. optics stub Category Spectrometers ... more details
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