Appendix A


A.1 Constants and Measurement Units

A ampere (unit of current)
AU astronomical unit (Earth-to-Sun distance, images km)
C coulomb
cm centimeter
dB decibel
deg degree
e/cm2 electrons per square centimeter
eV electron volt
F farad (measure of electrical capacitance)
ft foot
GHz gigahertz
h hour
Hz hertz, unit of frequency (1 cycle per second)
in. inch
J joule (unit of energy)
K kelvin
keV kiloelectron volt (103 eV)
kg kilogram
km kilometer
kilohm (103 Ω)
kV kilovolt (103 V)
m meter, mass, milli
M mega, million
mA milliampere (10−3 A)
MeV million electron volts
mho unit of electrical conductance, the reciprocal of resistance in Ω, also known as the siemens (S)
MHz megahertz (frequency, 106 Hz)
mil one-thousandth of an inch = 0.001in. = 0.0254 mm [Note Although the mil is not an SI unit of measure, it is a standard unit of measure (unconverted to SI units) often used in this discipline to describe material thickness].
min minute
mJ millijoule (10−3 J)
mm millimeter
milliohm (10−3 Ω)
megohm (106 Ω)
mV millivolt
nA nanoampere (10−9 A)
nC nanocoulomb (10−9 C)
nF nanofarad (10−9 F)
nm nanometer (10−9 m)
ns nanosecond (10−9 s)
nT nanotesla (10−9 tesla), magnetic field unit
ohm (Ω) unit of electrical resistance
pA picoampere (10−12 A)
pF picofarad (10−12 F)

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