ASTM E1854-19
(Practice)Standard Practice for Ensuring Test Consistency in Neutron-Induced Displacement Damage of Electronic Parts
Standard Practice for Ensuring Test Consistency in Neutron-Induced Displacement Damage of Electronic Parts
SIGNIFICANCE AND USE
4.1 This practice was written primarily to guide test participants in establishing, identifying, maintaining, and using suitable environments for conducting high quality neutron tests. Its development was motivated, in large measure, because inadequate controls in the neutron-effects-test process have, in some past instances, resulted in exposures that have differed by factors of three or more from irradiation specifications. A radiation test environment generally differs from the environment in which the electronics must operate (the operational environment); therefore, a high quality test requires not only the use of a suitable radiation environment, but also control and compensation for contributions to damage that differ from those in the operational environment. In general, the responsibility for identifying suitable test environments to accomplish test objectives lies with the sponsor/user/tester and test specialist part of the team, with the assistance of an independent validator, if available. The responsibility for the establishment and maintenance of suitable environments lies with the facility operator/dosimetrist and test specialist, again with the possible assistance of an independent validator. Additional guidance on the selection of an irradiation facility is provided in Practice F1190.
4.2 This practice identifies the tasks that must be accomplished to ensure a successful high quality test. It is the overall responsibility of the sponsor or user to ensure that all of the required tasks are complete and conditions are met. Other participants provide appropriate documentation to enable the sponsor or user to make that determination.
4.3 The principal determinants of a properly conducted test are: (1) the radiation test environment shall be well characterized, controlled, and correlated with the specified irradiation levels; (2) damage produced in the electronic materials and devices is caused by the desired, specified component of the environment...
SCOPE
1.1 This practice sets forth requirements to ensure consistency in neutron-induced displacement damage testing of silicon and gallium arsenide electronic piece parts. This requires controls on facility, dosimetry, tester, and communications processes that affect the accuracy and reproducibility of these tests. It provides background information on the technical basis for the requirements and additional recommendations on neutron testing.
1.2 Methods are presented for ensuring and validating consistency in neutron displacement damage testing of electronic parts such as integrated circuits, transistors, and diodes. The issues identified and the controls set forth in this practice address the characterization and suitability of the radiation environments. They generally apply to reactor sources, accelerator-based neutron sources, such as 14-MeV DT sources, and 252Cf sources. Facility and environment characteristics that introduce complications or problems are identified, and recommendations are offered to recognize, minimize or eliminate these problems. This practice may be used by facility users, test personnel, facility operators, and independent process validators to determine the suitability of a specific environment within a facility and of the testing process as a whole. Electrical measurements are addressed in other standards, such as Guide F980. Additional information on conducting irradiations can be found in Practices E798 and F1190. This practice also may be of use to test sponsors (organizations that establish test specifications or otherwise have a vested interest in the performance of electronics in neutron environments).
1.3 Methods for the evaluation and control of undesired contributions to damage are discussed in this practice. References to relevant ASTM standards and technical reports are provided. Processes and methods used to arrive at the appropriate test environments and specification levels f...
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: E1854 − 19
Standard Practice for
Ensuring Test Consistency in Neutron-Induced
1
Displacement Damage of Electronic Parts
This standard is issued under the fixed designation E1854; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope systems are beyond the scope of this practice; however, the
process for determining the 1-MeV equivalent displacement
1.1 This practice sets forth requirements to ensure consis-
specifications from operational environment neutron spectra
tency in neutron-induced displacement damage testing of
should employ the methods and parameters described herein.
silicon and gallium arsenide electronic piece parts. This re-
Some important considerations and recommendations are ad-
quires controls on facility, dosimetry, tester, and communica-
dressed in Appendix X1 (Nonmandatory information).
tions processes that affect the accuracy and reproducibility of
thesetests.Itprovidesbackgroundinformationonthetechnical 1.4 The values stated in SI units are to be regarded as
basis for the requirements and additional recommendations on standard. No other units of measurement are included in this
neutron testing. standard.
1.5 This standard does not purport to address all of the
1.2 Methods are presented for ensuring and validating
safety concerns, if any, associated with its use. It is the
consistency in neutron displacement damage testing of elec-
responsibility of the user of this standard to establish appro-
tronic parts such as integrated circuits, transistors, and diodes.
priate safety, health, and environmental practices and deter-
The issues identified and the controls set forth in this practice
mine the applicability of regulatory limitations prior to use.
address the characterization and suitability of the radiation
1.6 This international standard was developed in accor-
environments. They generally apply to reactor sources,
dance with internationally recognized principles on standard-
accelerator-based neutron sources, such as 14-MeV DT
252
ization established in the Decision on Principles for the
sources, and Cf sources. Facility and environment charac-
Development of International Standards, Guides and Recom-
teristics that introduce complications or problems are
mendations issued by the World Trade Organization Technical
identified, and recommendations are offered to recognize,
Barriers to Trade (TBT) Committee.
minimize or eliminate these problems. This practice may be
used by facility users, test personnel, facility operators, and
2. Referenced Documents
independent process validators to determine the suitability of a
specificenvironmentwithinafacilityandofthetestingprocess
2.1 The ASTM standards listed below present methods for
as a whole. Electrical measurements are addressed in other ensuring proper determination of neutron spectra and fluences,
standards, such as Guide F980. Additional information on gamma-ray doses, and damage in silicon and gallium arsenide
conducting irradiations can be found in Practices E798 and devices.The proper use of these standards is the responsibility
F1190. This practice also may be of use to test sponsors of the radiation metrology or dosimetry organization affiliated
(organizations that establish test specifications or otherwise with facility operations. The references listed in each standard
have a vested interest in the performance of electronics in are also relevant to all participants as background material for
neutron environments). testing consistency.
2
1.3 Methods for the evaluation and control of undesired 2.2 ASTM Standards:
contributions to damage are discussed in this practice. Refer- E170Terminology Relating to Radiation Measurements and
ences to relevant ASTM standards and technical reports are Dosimetry
provided. Processes and methods used to arrive at the appro- E181Test Methods for Detector Calibration andAnalysis of
priatetestenvironmentsandspecificationlevelsforelectronics Radionuclides
E261Practice for Determining Neutron Fluence, Fluence
Rate, and Spectra by Radioactivation Techniques
1
This practice is under the jurisdiction of ASTM Committee E10 on Nuclear
Technology and Applicationsand is the direct responsibility of Subcommittee
2
E10.07 on Radiation Dosimetry for Radiation Effects on Materials and Devices. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Oct. 1, 2019. Published October 2019. Originally contact
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: E1854 − 13 E1854 − 19
Standard Practice for
Ensuring Test Consistency in Neutron-Induced
1
Displacement Damage of Electronic Parts
This standard is issued under the fixed designation E1854; 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
1.1 This practice sets forth requirements to ensure consistency in neutron-induced displacement damage testing of silicon and
gallium arsenide electronic piece parts. This requires controls on facility, dosimetry, tester, and communications processes that
affect the accuracy and reproducibility of these tests. It provides background information on the technical basis for the requirements
and additional recommendations on neutron testing.
1.2 Methods are presented for ensuring and validating consistency in neutron displacement damage testing of electronic parts
such as integrated circuits, transistors, and diodes. The issues identified and the controls set forth in this practice address the
characterization and suitability of the radiation environments. They generally apply to reactor sources, accelerator-based neutron
252
sources, such as 14-MeV DT sources, and Cf sources. Facility and environment characteristics that introduce complications or
problems are identified, and recommendations are offered to recognize, minimize or eliminate these problems. This practice may
be used by facility users, test personnel, facility operators, and independent process validators to determine the suitability of a
specific environment within a facility and of the testing process as a whole. Electrical measurements are addressed in other
standards, such as Guide F980. Additional information on conducting irradiations can be found in Practices E798 and F1190. This
practice also may be of use to test sponsors (organizations that establish test specifications or otherwise have a vested interest in
the performance of electronics in neutron environments).
1.3 Methods for the evaluation and control of undesired contributions to damage are discussed in this practice. References to
relevant ASTM standards and technical reports are provided. Processes and methods used to arrive at the appropriate test
environments and specification levels for electronics systems are beyond the scope of this practice; however, the process for
determining the 1-MeV equivalent displacement specifications from operational environment neutron spectra should employ the
methods and parameters described herein. Some important considerations and recommendations are addressed in Appendix X1
(Nonmandatory information).
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety safety, health, and healthenvironmental practices and determine the
applicability of regulatory limitations prior to use.
1.6 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2.1 The ASTM standards listed below present methods for ensuring proper determination of neutron spectra and fluences,
gamma-ray doses, and damage in silicon and gallium arsenide devices. The proper use of these standards is the responsibility of
the radiation metrology or dosimetry organization affiliated with facility operations. The references listed in each standard are also
relevant to all participants as background material for testing consistency.
2
2.2 ASTM Standards:
1
This practice is under the jurisdiction of ASTM Committee E10 on Nuclear Technology and Applicationsand is the direct responsibility of Subcommittee E10.07 on
Radiation Dosimetry for Radiation Effects on Materials and Devices.
Current edition approved June 1, 2013Oct. 1, 2019. Published July 2013October 2019. Originally approved in 1996. Last previous edition approved in 20072013 as
E1854E1854 – 13. - 07. DOI: 10.1520/E1854-13.10.1520/E1854-19.
2
For referenced ASTM s
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