ASTM E721-94

Standard Guide for Determining Neutron Energy Spectra from Neutron Sensors for Radiation-Hardness Testing of Electronics

STANDARD published on 10.8.2001

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The information about the standard:

Designation standards: ASTM E721-94
Note: WITHDRAWN
Publication date standards: 10.8.2001
SKU: NS-47788
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM E721-94 :

Keywords:

neutron sensors, neutron spectra, radiation-hardness testing, spectrum adjustment, ICS Number Code 83.140.10 (Films and sheets)

Additional information

1. Scope

1.1 This guide covers procedures for determining the energy-differential fluence spectra of neutrons used in radiation-hardness testing of electronic semiconductor devices. The types of neutron sources specifically covered by this guide are fission or degraded energy fission sources used in either a steady-state or pulse mode.

1.2 This guide provides guidance and criteria that can be applied during the process of choosing the spectrum adjustment methodology that is best suited to the available data and relevant for the environment being investigated.

1.3 This guide is to be used in conjunction with Guide E 720 to characterize neutron spectra.

Note 1—Although Guide E 720 only discusses activation foil sensors, any energy-dependent neutron-responding sensor for which a response function is known may be used (1).

Note 2—For terminology used in this guide, see Terminology E 170.

1.4 The values stated in SI units are to be regarded as the 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 and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents

E263-18	Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Iron
E265-15(2020)	Standard Test Method for Measuring Reaction Rates and Fast-Neutron Fluences by Radioactivation of Sulfur-32
E393-19	Standard Test Method for Measuring Reaction Rates by Analysis of Barium-140 From Fission Dosimeters
E523-21e1	Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Copper (Includes all amendments and changes 5/3/2021).
E704-19	Standard Test Method for Measuring Reaction Rates by Radioactivation of Uranium-238
E720-23	Standard Guide for Selection and Use of Neutron Sensors for Determining Neutron Spectra Employed in Radiation-Hardness Testing of Electronics
E722-19	Standard Practice for Characterizing Neutron Fluence Spectra in Terms of an Equivalent Monoenergetic Neutron Fluence for Radiation-Hardness Testing of Electronics
E844-18	Standard Guide for Sensor Set Design and Irradiation for Reactor Surveillance
E944-19	Standard Guide for Application of Neutron Spectrum Adjustment Methods in Reactor Surveillance
E1018-20e1	Standard Guide for Application of ASTM Evaluated Cross Section Data File (Includes all amendments and changes 7/2/2020).
E1297-18	Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Niobium
E1855-20	Standard Test Method for Use of 2N2222A Silicon Bipolar Transistors as Neutron Spectrum Sensors and Displacement Damage Monitors
E262-17	Standard Test Method for Determining Thermal Neutron Reaction Rates and Thermal Neutron Fluence Rates by Radioactivation Techniques
E266-23	Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Aluminum
E264-19	Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Nickel
E526-22	Standard Test Method for Measuring Fast-Neutron Reaction Rates By Radioactivation of Titanium
E705-18	Standard Test Method for Measuring Reaction Rates by Radioactivation of Neptunium-237
E170-23	Standard Terminology Relating to Radiation Measurements and Dosimetry
E261-16(2021)	Standard Practice for Determining Neutron Fluence, Fluence Rate, and Spectra by Radioactivation Techniques

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