H Hydrogen
HAADF-STEM High Angle Annular Dark Field Scanning Transmission Electron Microscopy
HAP Hazardous Air Pollutant
HARI High Aspect Ratio Inspection
HARP High Aspect Ratio Process
HAST Highly Accelerated Stress Testing
HAZCOM Hazard Communication Standard
HB Horizontal Bridgeman Crystal
HBM Human Body Model
HCE Hot Carrier Effects
HCI Hot Carrier Injection
HCl Hydrochloric Acid
HCM Hollow Cathode Magnetron
HCMOS High Density Complementary Metal-oxide Semiconductor
HCS Hot-carrier Stress
HD High Density
HDD High Density Disk
HDL Hardware Description Language
HDP High Density Plasma
HDPE High Density Polyethylene
He Helium
HE High Energy
HEM High Efficiency Matching
HEPA High Efficiency Particulate Air
HEX Heat Exhaust
Hf Hafnium
HF Hydrofluoric Acid
HFRR Hydrofluoric Acid Reprocessor Return System
Hg Mercury
HIBS Heavy Ion Backscattering Spectrometry
HIM Heated Injection Manifold
HiPOx High-pressure Oxygen
HLF Horizontal Laminar Flow
HMDS Hexamethyldisilizane
HMIS Hazardous Materials Inventory Statement
HMMP Hazardous Materials Management Plan
HMOS High Performance MOS
HMOS High-density MOS
Ho Holmium
HOMER Hazardous Organic Mass Emission Rate
HOPG Highly Oriented Pyrolitic Graphite
HP High Purity
HPCC High Performance Computing And Communicating
HPEM Hybrid Plasma Equipment Model
HPI High Pressure Isolation
HPL High Performance Logic
HPLC High Performance Liquid Chromatography
HPM Hazardous Production Materials
HPM High Purity Metal
HPM Hydrochloric Peroxide Mix
HPV High Pressure Vent
HRA Human Reliability Analysis
HRR High Ramp Rate
HRTEM High Resolution Transmission Electron Microscopy
HSFR High Spatial Frequency Roughness
HSMS High Speed Messaging Services
HSQ Hydrogen Silsesquioxane
HTDR High Temperature Data Retention
HTF High Temperature Film
HTH Head-to-head
HTL High Threshold Logic
HTO High Temperature Oxide
HTOL High Temperature Operating Life
HTRB High Temperature Reverse Bias
HTU Height Of Transfer Unit
HUPW Hot Ultrapure Water
HV High Voltage
HVAC Heating, Ventilating, And Air Conditioning
HVM High Volume Manufacturing
HVM/EH High Volume Manufacturing And Exception And Handling
HVP High Volume Production
HWS Heating Water System
HY Hybrid