Fundamental Physical Constants recommended by the National Institute of Standards and Technology (NIST) of United States, CODATA 1998.Authors: Peter J Mohr and Barry N. Taylor [ Atomic Mass Unit mu 1.66053873(13) x 10-27 kg, Avogadro's Number NA 6.02214199(47) x 1023 mol-1, Bohr Magneton μB 9.27400899(37) x 10-24 J T-1, Bohr Radius ao 0.5291772083(19) x 10-10 m, Boltzmann's Constant k 1.3806503(24) x 10-23 J K-1, Compton Wavelength λc 2.426310215(18) x 10-12 m, Deuteron Mass md 3.34358309(26) x 10-27 kg, Electric Constant εo 8.854187817 x 10-12 F m-1, Electron Mass me 9.10938188(72) x 10-31 kg, Electron-Volt eV 1.602176462(63) x 10-19 J, Elementary Charge e 1.602176462(63) x 10-19 C, Faraday Constant F 9.64853415(39) x 104 C mol-1, Fine Structure Constant α 7.297352533(27) x 10-3 , Hartree Energy Eh 4.35974381(34) x 10-18 J, Hydrogen Ground State n/a 13.6057 eV, Josephson Constant Kj 4.83597898(19) x 1014 Hz V-1, Magnetic Constant ľo 4p x 10-7, Molar Gas Constant R 8.314472(15) J K-1 mol-1, Natural Unit of Action 1.054571596(82) x 10-34 J s, Newtonian Constant of Gravitation G 6.673(10) x 10-11 m3 kg-1 s-2, Neutron Mass mn 1.67492716(13) x 10-27 kg, Nuclear Magneton μn 5.05078317(20) x 10-27 J T-1, Planck Constant h 6.62606876(52) x 10-34 J s, Planck Length lp 1.6160(12) x 10-35 m, Planck Mass mp 2.1767(16) x 10-8 kg, Planck Time tp 5.3906(40) x 10-44 s, Proton Mass mP 1.67262158(13) x 10-27 kg, Rydberg Constant RH 10 9.73731568549(83) x 105 m-1, Stefan Boltzmann Constant σ 5.670400(40) x 10-8 W m-2 K-4 , Speed of Light in Vacuum c 2.99792458 x 108 m s-1, Thompson Cross Section σe 0.665245854(15) x 10-28 m2, Wien Displacement Law Constant b 2.8977686(51) x 10-3 m K] / HTE Labs provides process specialties wafer foundry, thin film vacuum deposition services, applied thin film processing for analog and mixed signal bipolar manufacturing processes, Analog CMOS wafer foundry, R&D support, research and development support for microelectronics and process specialties wafer Fab processing to customers from semiconductors and microelectronics industry. Bipolar wafer foundry includes the following processes: 20V bipolar process,45V bipolar process,75V bipolar process,25V super-beta bipolar process and high voltage dielectric isolated bipolar processes. R&D support is provided in the following fields of microelectronics: test and measurement, medical instrumentation, industrial process control and communications, thin film active and passive components technologies, flip chip technology (TiW/Cu/Cu/SnPb), MEMS technology, smart sensor technologies (inertial, pressure, temperature, gas and smoke detectors), optoelectronic technologies and components, discrete and integrated circuits technology development for special applications, LiNbO3 applications including SAW, Ti diffusion, light wave guides and Mach-Zender light modulators. Specialty wafer Fab processing: epi deposition, epitaxy, SiGe, epi, diffusion and oxidation, ion implant, LPCVD nitride, PECVD nitride Si3N4, SiO2, platinum silicidation, photo-lithography, plasma etching, silicon micro-machining with KOH anisotropic etch, backside sputter depositions of Ti/Ni/Ag, gold deposition, gold alloy, lift off processes, Ti/Pt/Au lift off process, sputter depositions of thin film resistors : SiCr, NiCr, TaN2, silicon wafers back grind and polish followed by tri-metal backside sputter depositions, gold backside sputter depositions and alloy : gold electroplating and gold bump, wafer probing, dicing services, wafer saw, package development, solid via packages, packaging and test services, failure analysis services, SEM, scanning electron microscopy, ellipsometer measurements, four point probe measurements.
 

FUNDAMENTAL PHYSICAL CONSTANTS
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  This is a list of Universal Constants-Fundamental Physical Constants recommended by the National Institute of Standards and Technology (NIST) of United States, CODATA 1998. Authors: Peter J Mohr and Barry N. Taylor.
Name Symbol Value
Atomic Mass Unit mu 1.66053873(13) x 10-27 kg
Avogadro's Number NA 6.02214199(47) x 1023 mol-1
Bohr Magneton μB 9.27400899(37) x 10-24 J T-1
Bohr Radius ao 0.5291772083(19) x 10-10 m
Boltzmann's Constant k 1.3806503(24) x 10-23 J K-1
Compton Wavelength λc 2.426310215(18) x 10-12 m
Deuteron Mass md 3.34358309(26) x 10-27 kg
Electric Constant εo 8.854187817 x 10-12 F m-1
Electron Mass me 9.10938188(72) x 10-31 kg
Electron-Volt eV 1.602176462(63) x 10-19 J
Elementary Charge e 1.602176462(63) x 10-19 C
Faraday Constant F 9.64853415(39) x 104 C mol-1
Fine Structure Constant α 7.297352533(27) x 10-3
Hartree Energy Eh 4.35974381(34) x 10-18 J
Hydrogen Ground State n/a 13.6057 eV
Josephson Constant Kj 4.83597898(19) x 1014 Hz V-1
Magnetic Constant µo 4p x 10-7
Molar Gas Constant R 8.314472(15) J K-1 mol-1
Natural Unit of Action 1.054571596(82) x 10-34 J s
Newtonian Constant of Gravitation G 6.673(10) x 10-11 m3 kg-1 s-2
Neutron Mass mn 1.67492716(13) x 10-27 kg
Nuclear Magneton μn 5.05078317(20) x 10-27 J T-1
Planck Constant h 6.62606876(52) x 10-34 J s
Planck Length lp 1.6160(12) x 10-35 m
Planck Mass mp 2.1767(16) x 10-8 kg
Planck Time tp 5.3906(40) x 10-44 s
Proton Mass mP 1.67262158(13) x 10-27 kg
Rydberg Constant RH 10 9.73731568549(83) x 105 m-1
Stefan Boltzmann Constant σ 5.670400(40) x 10-8 W m-2 K-4
Speed of Light in Vacuum c 2.99792458 x 108 m s-1
Thompson Cross Section σe 0.665245854(15) x 10-28 m2
Wien Displacement Law Constant b 2.8977686(51) x 10-3 m K

Source:
CODATA Recommended Values of the Fundamental Physical Constants: 1998 by Peter J. Mohr and Barry N. Taylor
National Institute of standards and Technology, Gaithersburg, MD 20899-8401

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