IPC-A-610H 3 Handling Electronic Assemblies- Questions
and Answers
ESD - protected area (EPA) Correct Ans-area in which ESDS can be handled with accepted
reduced risk of damage as a result of electrostatic discharge or fields;
*ESDS parts and assemblies must be packaged in ESD protective enclosures when removed
from these areas!*
static mats Correct Ans-ESD protective worksurfaces;
*should* have <1X10^9 Ohms resistance and kept clean to prevent buildup of insulative
layers
Requirements for seated workstations Correct Ans-wrist strap and cord with resistance
<3.5x10^7 Ohms resistance
Requirement for standing workstations Correct Ans-footwear/flooring system with
resistance <1x10^9 Ohms or a wrist strap;
ESD footwear (heel straps or shoes) should be tested daily
Describe the ESD susceptibility symbol. Correct Ans-A triangle with a reaching hand and a
slash across both.
Describe ESD protective symbol Correct Ans-a triangle with a reaching hand surrounded by
an arc
and Answers
ESD - protected area (EPA) Correct Ans-area in which ESDS can be handled with accepted
reduced risk of damage as a result of electrostatic discharge or fields;
*ESDS parts and assemblies must be packaged in ESD protective enclosures when removed
from these areas!*
static mats Correct Ans-ESD protective worksurfaces;
*should* have <1X10^9 Ohms resistance and kept clean to prevent buildup of insulative
layers
Requirements for seated workstations Correct Ans-wrist strap and cord with resistance
<3.5x10^7 Ohms resistance
Requirement for standing workstations Correct Ans-footwear/flooring system with
resistance <1x10^9 Ohms or a wrist strap;
ESD footwear (heel straps or shoes) should be tested daily
Describe the ESD susceptibility symbol. Correct Ans-A triangle with a reaching hand and a
slash across both.
Describe ESD protective symbol Correct Ans-a triangle with a reaching hand surrounded by
an arc
