CIS CIS ESD Control & Protection

Question 1

What does 'ESD' stand for in electronics manufacturing?

Accepted Answer

Electrostatic Discharge

Answer

Electrical Signal Disruption

Answer

Electronic System Degradation

Answer

Electromechanical Static Dampening

Question 2

Which IPC/ESD standard governs ESD control programs for electronics manufacturing?

Accepted Answer

ANSI/ESD S20.20

Answer

IPC-A-610

Answer

IPC-7711

Answer

MIL-STD-1686

Question 3

What is an EPA (ESD Protected Area)?

Accepted Answer

A designated zone where ESD-sensitive devices are handled with ESD control measures in place

Answer

An area with enhanced power filtering to prevent EMI

Answer

A room with humidity above 60% to prevent static buildup

Answer

A storage area for non-ESD-sensitive components only

Question 4

What is the typical surface resistance range for ESD dissipative materials?

Accepted Answer

1 × 10⁴ to 1 × 10¹¹ ohms/square

Answer

Less than 1 × 10³ ohms/square

Answer

Greater than 1 × 10¹² ohms/square

Answer

1 × 10² to 1 × 10³ ohms/square

Question 5

Which ESD failure mode occurs when a device appears to function but has hidden latent damage from a prior ESD event?

Accepted Answer

Latent defect

Answer

Catastrophic failure

Answer

Parametric failure

Answer

Hard failure

Question 6

A wrist strap used for ESD protection should be tested:

Accepted Answer

Before each use or at the beginning of each shift

Answer

Once per week at minimum

Answer

Only when a new strap is first issued

Answer

Monthly, with documentation kept for one year