Why Static
Matters
Static electricity, electrostatic risk, and layered controls.
RESOURCESPractical Information
Practical Information
for Real-World Ionization
Training materials, technical references, and practical guidance to help you better understand, evaluate, and maintain air ionization in cleanroom and manufacturing environments.
AIR IONIZATION GUIDES
Practical Guides to Air Ionization
Guardian has developed a three-part reference series covering static electricity, air ionization fundamentals, and practical considerations for inspection, testing, and maintenance. These materials reflect our field experience and are intended to support a better understanding of air ionization in semiconductor manufacturing.
Why Static
Understanding
Air Ionization
Ionization principles, technologies, and application considerations.
Air Ionization
in Practice
Inspection, testing, adjustment, performance evaluation, and troubleshooting.
TECHNICAL REFERENCESStandards, Testing and
Standards, Testing and
Data Interpretation
Resources to help you understand applicable industry standards, charged-plate test methods, and how Guardian evaluates and documents ionization performance and electrostatic conditions.
ANSI/ESD S20.20ESD control program requirements
ANSI/ESD STM3.1(IEC 61340-4-7)
Ionization test methods
Ionization test methods
ANSI/ESD SP3.3Periodic verification
of air ionizers
of air ionizers
Understanding Applicable Standards
An overview of standards and test methods commonly associated with air-ionization evaluation and periodic verification, with emphasis on their practical application.
Charged Plate Monitor Testing
How the CPM works, what it measures, our test setup and methods, and how to interpret results.
Periodic Verification & ESF Surveys
Overviews of periodic verification and electrostatic field surveys, including test methods, site criteria, and example reporting.