ASTM D5077-90(2009)

Standard Terminology Relating to Electrostatic Discharge (ESD) Packaging Materials

SCOPE
1.1 The terms and definitions in this standard are related to Electrostatic Discharge (ESD) Packaging Materials and ESD Protective Materials.

General Information

• Status: Historical
• Publication Date: 28-Feb-2009
• ICS: 55.040 - Packaging materials and accessories
• Technical Committee: D10 - Packaging
• Drafting Committee: D10.13 - Interior Packaging

Relations

• Replaces: ASTM D5077-90(2003) - Standard Terminology Relating to Electrostatic Discharge (ESD) Packaging Materials
• Effective Date: 01-Mar-2009

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D5077 − 90 (Reapproved2009)
Standard Terminology Relating to
1
Electrostatic Discharge (ESD) Packaging Materials
This standard is issued under the fixed designation D5077; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope conductor—a substance or body that allows a flow of electric
current to pass continuously along it or through it when a
1.1 The terms and definitions in this standard are related to
sufficient voltage is applied across any two points.
Electrostatic Discharge (ESD) Packaging Materials and ESD
Protective Materials.
dielectric breakdown—a threshold effect in a dielectric me-
dium where, at some electric field strength across the
2. Referenced Documents
medium, bound electrons become unbound and travel
2
2.1 ASTM Standards:
through the medium as a current. In solid media, the region
D996 Terminology of Packaging and Distribution Environ-
of the current path is permanently damaged. The unit of
ments
measurement is usually volts per unit of thickness.
2.2 EIA Standard:
electrically continuous surface—a surface that is electrically
EIA-541 Packaging Material Standards for ESD, Sensitive
3
conductiveinthatcurrentcanbepassedatanappliedvoltage
Items
between any two points of its physical surface.
3. Terminology
electrical overstress (EOS)—overstress which may be due to
antistatic agent—a chemical compound which, when impreg- ESD or the operation of items beyond their electrical
nated or formulated into or topically applied to a primary
specifications.
material or substrate, gives the primary material antistatic
electromagnetic shield—a screen or other housing placed
properties. See antistatic property.
around a device or circuit to reduce the effects on them from
antistatic property—the prevention of triboelectric charge both electric and magnetic fields.
generation by effectively minimizing the production of a
electrostatic discharge—the transfer of electrostatic charge
static charge when materials are separated from another
between bodies at different electrostatic potentials.
surface.
DISCUSSION—The forword of EIA-541 states, “`Antistatic’ no longer
electrostatic discharge (ESD) protective—a property of ma-
refers to a resistivity range . `Antistatic’ refers to a material’s ability
terials capable of one or more of the following:
to resist triboelectric charge generation. A material’s antistatic propen-
preventing the generation of static electricity.
sity depends upon the nature of the material itself and the material with
dissipating electrostatic changes over its surface or vol-
which it is in contact along with the means of surface separation. The
ume.
antistatic property is not a dependent function of material resistivity.
Material resistivity is an intrinsic property used to define its degree of
providing shielding from ESD or electrostatic fields.
conductivity without regard to other materials.”
electrostatic discharge sensitive (ESDS)—apropertyofitems
in which they are inherently sensitive (ESDS) susceptible to
1
This terminology is under the jurisdiction of ASTM Committee D10 on
either catastrophic failure or latent damage when exposed to
Packaging and is the direct responsibility of Subcommittee D10.13 on Interior
sources of ESD. Items are often categorized as to their levels
Packaging .
Current edition approved March 1, 2009. Published March 2009. Originally of sensitivity but in all cases require some means of ESD
approved in 1990. Last previous edition approved in 2003 as D5077 – 90(2003).
protective packaging and handling.
DOI: 10.1520/D5077-90R09.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
electrostatic shield—a barrier or enclosure that prevents the
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
penetration of an electrostatic field.
Standards volume information, refer to the standard’s Document Summary page on
DISCUSSION—An electrostatic shield may not offer much protection
the ASTM website.
3
against the effects of an electromagnetic field. Electromagnetic shields,
Available from the Electronic Industries Association, 2001 Eye St., N.W.,
Washington, DC 20006. however, are good electrostatic shields.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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D5077 − 90 (Reapproved2009)
ground—a metallic connection with the earth to establish zero
potential.
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D5077 − 90 (2009)
DISCUSSION—The ground is the voltage reference point
...