Whitepapers

Category: General

Return on Investment from HALT
Dr. Edmund Kyser

Provides a formula that can be utilized to show Return on Investment for a well-executed accelerated reliability test program.

Neill Doertenbach

Describes the techniques of HALT and HASS and their advantages over standard Design Verification Testing.

The Calculation of gRMS
Neill Doertenbach

Describes the metric of gRMS, how it is calculated in both the frequency and time domains and what factors can cause variations in gRMS.

Tom Peters

Provides a useful overview of HALT/HASS chamber systems, their specifications, why they are different from DVT, and how to know which specifications are important for your program.

Category: HALT/HASS

Neill Doertenbach

Describes the techniques of HALT and HASS and their advantages over standard Design Verification Testing.

Explaining Accelerated Aging
Dr. Joseph Capitano

Describes the theory and practice of using thermal stresses to accelerate aging in electrical and mechanical components.

Category: Return on Investments (ROI)

Dr. Edmond L. Kyser

Describes how a well-executed HALT and/or HASS plan can increase your ROI.

Category: White Paper

Qualmark
This product reliability test study compares accelerated stress tests conducted at Qualmark labs 10 years ago, as measured against more recent results. The study yielded significant differences in the ratios and types of failures found.