NDT - Helium Leak Testing - Level 1

MS411  - 80 hours

The program for this course is validated by COFREND according to standard ISO 9712: 2012.

Learning objectives

Knowledge of the advantages and disadvantages.
of each leak testing methods.
Practice of the different methods on real situations.
Leak testing according to written instructions.
Understanding of phenomenon making it possible to high-light the presence of a tracer gas.


Who will benefit most ?

Technician level.



Basic knowledge of the behaviour of gases and an understanding of vacuum systems are recommended.
Possibility to refresh the required basics in mathematics and physics by e-learning


Innovative teaching resources

Lectures and «hands-on» exercises.
Custom training manual.
Prior interview with the trainees possible in order to qualify their needs.
Multiple choice questions at the start and end of the training.
Training centers integrated with 40-30 workshops.
Theory assessment and practical tests to measure individual proficiency by the end of the training period.
Maximum 6 persons per group.


Price per person

In your premises or in one of our training centers.
Please, contact us.
Condition: We open a training course with 3 participants. The price is without the examination; please, contact us.


Dates & location

Training Department : +33(0)4 76 84 40 30

For other dates or other locations, contact us.


In charge of the training session

Michel THIAM PhD in Physics (Strong Experience in Surface Physics and Surface Chemistry under UHV Conditions), from 40-30 Engineering Department; certified COFREND NDT Using level 2.


1. Prerequisites
Reminder of the different dimensions in electronics that are essential for the remainder of the course.

2. Impedance adaptation
Theoretical module which covers the issues of energy transfer in Radiofrequency, the concept of reflected power, and the use of the Smith chart.

3. RF Match
The key to energy transfer, detailed view of the different models and design choices.
Implementation of energy transfer issues for high RF currents, etc.

4. Skin effect
Highlighting of the effects and limitations due to highfrequency currents and materials.

5. RF Cables
Theory, issues, cable choice, power resistance andcut-off frequency.

6. RF generator
Detailed analysis of the components of an RF generator.
Fault analysis.
Specification analysis.

7. RF microwave generator
Cavity magnetron preventive maintenance.

8. Metrology and diagnosis
This module describes the implementation of RF measuring equipment in the context of etching and deposition equipments. Fault diagrams are analyzed.