1. Verigy V93000 Service Training
Module 2:
Safety and ESD
Module 2: Safety and ESD
Objective:
Given:
Study Guide
Quiz
Answer questions about safety and esd. 90% correct answers are required to get
credit for this module.
References:
Service Guide II Appendix A, “Safety Information”
Service Guide II Chapter 1, “Introduction:ESD Damage Prevention”

2. Safety Symbols
The apparatus is marked with the following symbol when it is
necessary for the user to refer to this manual in order to protect
the apparatus from damage:
This symbol is used to mark Protective Earth terminals:
This symbol is used to mark high voltage terminals:
The test head is provided with the following label to denote a
potential shock hazard, and to prevent damage by static
discharge:
This symbol is used to mark areas inside the equipment where
injury to the hands from moving parts could occur. Exercise
particular care when components are pneumatically or motor
driven:
                                                  
02 – Safety&ESD

3. ESD Safe practices are required to maximize system uptime
... Ensure You‘re ESD Protected!
Wear ESD shoes
Wear ESD coat
Wear ESD Wrist Strap
ESD Safe practices are required to maximize system uptime
The number one cause of ESD damage to the 93K system is
ESD Generators near the system.
To verify an ESD safe environment an ESD Field Strength Meter must be used.
Sources for an ESD Field Strength Meter:
Here is our complete list of 8 PBET principles or characteristics.
02 – Safety&ESD

4. Problem Sources Non-ESD safe plastic bags Rubber Gloves Tape dispenser
... Ensure You‘re ESD Protected!
Wear ESD shoes
Wear ESD coat
Wear ESD Wrist Strap
Non-ESD safe plastic bags
Rubber Gloves
Tape dispenser
Styrofoam Cups
DUT board not
stored properly
Non-ESD Shoes
or No ESD Straps
~300V Charge (Rubber band)
ESD Wrist Strap connection (only 1)
Non-ESD floor wax
~3 - 15KV charge (All 3 chairs in the area)
02 – Safety&ESD

5. Problem Sources ... Ensure You‘re ESD Protected! Wear ESD shoes
Wear ESD coat
Wear ESD Wrist Strap
02 – Safety&ESD

6. Typical V93000 Channel Module ESD Damage
Component Damage
...Ensure You‘re ESD Protected!
Wear ESD shoes
Wear ESD coat
Wear ESD Wrist Strap
Typical V93000 Channel Module ESD Damage
Driver / Active Load
Ch1 IC4 (Active Load / Comparator) x200
02 – Safety&ESD

7. Typical V93000 Channel Module ESD Damage
Component Damage
... Ensure You‘re ESD Protected!
Wear ESD shoes
Wear ESD coat
Wear ESD Wrist Strap
Typical V93000 Channel Module ESD Damage
Ch1 IC4 (Active Load /Comparator)
x500
Ch2 IC4 (Active Load / Comparator)
x500
02 – Safety&ESD

8. Damage Prevention Documentation
... Ensure You‘re ESD Protected!
Wear ESD shoes
Wear ESD coat
Wear ESD Wrist Strap
In the V93000 Service documentation, you can find the following:
ESD Damage Prevention - Basic information on ESD.
(Site Preparation Guide E ) Chapter “Environmental requirements”
ESD Requirements - An ESD audit of the site needs to be performed
(Site Preparation Guide E ) Chapter “Site Preparation Checklist”
The checklist is used to document the findings.
Preventive Maintenance - ESD requirements need to be checked during PM
(Maintenance Guide, E ) Chapter “Preventive Maintenance schedule”
ESD damage prevention - Information on precautions to take in an ESD protected area
(Service Guide 2, E V1.1) Chapter “Introduction”
ESD damage prevention - Information on how to ship boards
(Service Guide 2 E V1.0) Chapter “Introduction”
02 – Safety&ESD