ASTM E668

ASTM E668 is the ASTM standard practice for applying thermoluminescence-dosimetry (TLD) systems to determine absorbed dose during radiation-hardness testing of electronic devices. It provides a structured approach for using TLD methods in irradiation-related evaluation, helping users obtain more consistent dose measurements and better compare results across tests. For engineers and test laboratories, this standard supports clearer control of radiation exposure data when assessing how electronic devices respond under radiation conditions.

Purpose of ASTM E668

The purpose of ASTM E668 is to guide the application of TLD systems when absorbed dose must be determined in radiation-hardness testing. As a practice standard, it is intended to support reliable use of thermoluminescence dosimetry in a technical testing environment rather than define a device design. This makes it especially useful when absorbed dose information is needed to document irradiation conditions, evaluate test repeatability, and help align dosimetry methods with established ASTM practice.

Common use cases of ASTM E668

This standard is commonly used in laboratories and test programs that evaluate electronic devices under radiation exposure. It is relevant wherever TLD systems are used to measure absorbed dose during radiation-hardness testing, such as in qualification, characterization, or verification workflows. ASTM E668 may also be used when test teams need a consistent dosimetry method to support reporting, comparison of results, and control of radiation conditions for sensitive electronic components.

Why ASTM E668 matters

ASTM E668 matters because accurate absorbed-dose determination is central to meaningful radiation-hardness testing. Using a recognized ASTM practice can improve consistency in test setup, dose measurement, and result interpretation, which supports quality control and reduces uncertainty in evaluation programs. For procurement, compliance, and engineering review, the standard provides a common technical reference that helps teams compare data with greater confidence and maintain more dependable test documentation.

• TLD-based absorbed dose measurement
• Radiation-hardness testing support
• Electronic device evaluation
• Consistent dosimetry practice
• Test documentation and comparison