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p pico
P Phosphorus
Pa Protactinium
PAC Perturbed Angular Correlation; Photoactive compound; Primary Access Framer/Controller
PACVD Plasma-assisted chemical vapor deposition
PA-FTIR Photoacoustic Fourier transform infrared spectroscopy
PAL Process Automation Language; Programmable Array Logic; Process Asset Library; Phase Alternation Line
PAM Process application module
PAS Photoacoustic spectroscopy
PAT Process Action Team; Program Allocation Table
PAWS Portable acoustic wave sensor
Pb Lead
PB Printed board
PBC Peripheral Board Controller
PBET Performance-based equipment training
PBGA Plastic ball grid array
PBL Poly-buffered LOCOS
PBM Portable bitmap image format
PBN Pyrolytic Boron Nitride
PBS Photon backscattering
PBX Private Branch Exchange
PC Personal Computer; Programmable Controller; Process Control
PCA Printed Circuit Assembly; Policy Certification Authority
PCAD Packaging Computer-Aided Design
PCB Printed Circuit Board
PCD PolyCrystaline Diamond; Kodak PhotoCD image format
PCI Peripheral Component Interconnect
PCM Pulse-Code Modulation
PCMCIA PC Memory Card International Association
PCN Personal Communication and Network
PCO PhotoCatalytic Oxidation
PCMP Post Chemical-Mechanical Polishing
PCMS Plasma Chemistry Monte-Carlo Simulation
PCR Principle Component Regression
PCS Production Cost Savings; Personal Communication Services
PCT Process Change Teams; Macintosh PICT image format
PCV PRISM Controlled Vocabulary
PCVD Plasma Chemical Vapor Deposition (Philips / Dakra)
PCX Zsoft Paintbrush image format
Pd Palladium
PDA Personal Digital Assistant
PDC Passive Data Collection
PDES Product Data Exchange Specification
PDF Portable Document Format
PDIP Plastic Dual In-line Packaging
PDL Page Description Language; Pipeline Definition Language (XML)
PDR Polarization Differential Reflectance; Personal Digital Recorder
PDS Photo-thermal Deflection Spectroscopy
PDSA PeroxyDiSulfuric Acid
PDU Protocol Data Unit
PDVC Phase-Dependent Voltage Contrast
PE PiezoElectric
PEB Post Exposure Bake
PECVD Plasma Enhanced CVD
PEDS Plasma-Enhanced Deposition System
PEEL Programmable Electrically Eraseable Logic
PEEL Programmable Electrically Eraseable Logic
PEELS Parallel Electron Energy Loss Spectroscopy
PEM Photo Elastic Modulator
PERM Pre-Embossed Rigid Magnetic
PERT Program evaluation review technique
PES Photoelectron spectroscopy
PET Post-etch treatment
peta 1.00E+15 (1,000,000,000,000,000/1; symbolized by the prefix P)
PETEOS Plasma-enhanced tetraethylosilicate
PFA Perfluoroalkoxy
PFC Perfluorocompound; Perfluorocarbon
PFN Pulse forming network
PFPE Perfluorinated polyether
PFR Plug-flow reactor
PFTQ Partnering for Total Quality
PGA Pin grid array
PGI Purge gas inlet
P-GILD Projection gas immersion laser doping
PGM Portable greymap image format
PGT Princeton Gamma Tech
PH3 Phosphine
PHEEM Photoelectron-emission Microscopy
pHEMT Pseudomorphic HEMT
PHIGS Programmer's Hierarchical Interface Graphics Standard
PHP Personal Handy Phone
PHY Physical Layer
PI Proportional integral
PIA Parallel Interface Adapter
PIC PC Paint image format; Peripheral Interrupt Controller; Peripheral Interface Controller; Peripheral Interface Circuit
pico 1.00E-12 (1/1,000,000,000,000; symbolized by the prefix p)
PICTS Photo-Induced Current Transient Spectroscopy
PID Proportional Integral Derivative; Process-Induced Defect; Photo-Imageable Dielectric; Packet ID
PIH Pin In Hole
PIII Plasma Immersion Ion Implantation
PIN P-type/Insulator/N-type; Personal Identification Number
PIND Particle Impact Noise Detection
PIO Parallel Input Output
PIP Process-Induced Particles; Picture-In-Picture
PIPO Parallel In Parallel Out
PISO Parallel In Serial Out
PIV Peak Inverse Voltage; Post Indicator Valve
PIXE Particle Induced X-ray Emission
PKCS Public Key Cryptography Standards
PKI Public Key Infrastructure
PKIX IETF Working Group 'Public Key Infrastructure
PL Photo Luminescence
PLA Programmable Logic Array
PLC Programmable Logic Controller
PLCC Plastic Leaded Chip Carrier
PLD Programmable Logic Device
PLE Photo Luminescence Excitation
PLL Phase Locked Loop; Plasma lockload
PLS Partial least squares; Projection of latent structures
PLTV Percentage Local Thickness Variation
PLY Photolimited yield
Pm Promethium
PM Preventive maintenance; Process module; Post meridiem (after noon)
maintenance; module; (after noon)
PMC Process module controller
PMCC Pensky-Martens closed cup
PME Paramagnetic Meissner Effect
PMEM Piezoelectric MEM
PMI Phase measuring interferometer
PML Partner Markup Language
PMMA Poly Methyl Metha Crylate
PMOS Positive channel metal-oxide semiconductor
PMS Particle Measuring System
PMT PhotoMultiplier Tube; Program Map Table
PMTF Product Management Task Force
PNG Portable Network Graphics image format
PNVS Pilot's Night Vision System
Po Polonium
POR Process-of-record
POSIX Portable operating system interface for computing environments
POU Point-of-use
POUCG Point-of-use chemical generation
PP Preference Profile
PPC Photo Persistent Conductivity
PPE Personal protective equipment
PPGA Plastic pin grid array
PPID Process program identification
ppm Parts per million
PPM Portable PixelMap image format
PPMS Physical Properties Measurement System
PPO Polyphenylene Oxide
PPPL Princeton Plasma Phisics Laboratory
PPRAM Parallel Processing Random Access Memory
PPREF Process Program REFerence
PPS PolyPhenylene Sulfide (Plastic)
PQFP Plastic Quad Flat Pack
Pr Praseodymium
PRAS Particle Reactor Analysis Services
PRAT Production Reliability Acceptance Test
PRB Pseudo-Random Binary; Physical Review B
PRBS Pseudo-Random Binary Sequences
PRDDO Partial Retention of Diatomic Differential Overlap
PRESS PRediction Error Sum of Squares
PRI Primary Rate Interface
PRISM Publishing Requirements for Industry Standard Metadata; Primary Rate Interface Signaling and Maintenance controller
PRL Physical Review Letters; Property Rights Language
PRML Partial Response/Maximum Likelihood
ProgGuiML ProgramGuide Mark-up Language
PROM Programmable ROM
PRSC Parametric Response Surface Control
PRT Planar Resistor Technology
PS Porous Silicon
PSB Phase Shifting Blank
PSC Porous Silicon Capacitor
PSD Power Spectral Density; Port Status Display; Position Sensitive Detector; Photoshop image format; Programmable System Device
PSG Phospho Silicate Glass
PSI Pounds Per Square Inch; Program Specific Information
PSII Plasma Source Ion Implantation
PSIP Program and System Information Protocol
PSL PolyStyrene Latex
PSLS PolyStyrene Latex Sphere
PSM Phase Shifting Mask
PSP PaintShop Pro image format
PSR Perfectly stirred reactor
PSTN Public Switched Telecom Network
Pt Platinum
PT Positional tolerance
PTAB Project Technical Advisory Board
PTC Pre- and post-process treatment chambers
PTFE Polytetrafluorethylene (teflon)
PTH Plated through hole
PTIS Photo Thermal Ionization Spectroscopy
Pu Plutonium
PV Photo-Voltaic
PVA Polyvinylacetate
PVC Pressure Velocity Correction; PolyVinylChloride
PVD Physical Vapor Deposition
PVDF PolyVinyliDeneFluoride
PVR Personal Video Recorder
PWA Printed Wiring Assembly
PWB Printed Wiring Board
PWP Particles per Wafer Pass
PYS Photo Yield Spectroscopy