Acronyms and Abbreviations

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N

   

N
nitrogen

Na
sodium

NA
numerical aperture

NAA
neutron activation analysis

Nb
niobium

NBE
neutral beam etching

NBTI
negative temperature bias instability

NCMS
National Center for Manufacturing and Science

NCS
Network Communication Standard

Nd
neodymium

NDA
nondisclosure agreement

NDC
nitrogen-doped carbide

NDE
nondestructive evaluation

NDIR
nondispersive infrared spectroscopy

NDP
neutron depth profiling

NDT
nondestructive testing

NDUV
nondispersive ultraviolet spectroscopy

Ne
neon

NEA
noise equivalent absorbance; negative electron affinity

NEC
National Electric Code

NESHAP
National Emissions Standards for Hazardous Air Pollutants

NFOM
near field optical microscopy

NFPA
National Fire Protection Association

NGL
next generation lithography

NGL-MCOC
Next Generation Lithography - Mask Center of Competence

Ni
nickel

NILS
normalized image log shape

NIOSH
National Institute for Occupational Safety and Health

NIRA
near infrared reflection analysis

NIST
National Institute of Standards and Technology

Nit
interface trap density

NLLD
n-type lightly doped drain

nm
nanometer

NMOS
negative channel metal-oxide semiconductor

NMR
nuclear magnetic resonance

NN
neural network

No
nobelium

Np
neptunium

NP
nutrification potential

NPN
negative-positive-negative

NPW
nonproduct wafer

NPV
net present value

NRA
nuclear reaction analysis

NRDD
non-referential defect detection

NRE
nonrecurring engineering

NRZ
non-return to zero

NSE
neutral stream etch

Nsurf
silicon surface doping density

NTP
normal temperature and pressure

NTRS
National Technology Roadmap for Semiconductors

NTU
nephelometric turbidity units

NVD
non-visual defect

NVR
nonvolatile residue

NWL
next wavelength



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