THE SiGe HBT DREAM The SiGe heterojunction bipolar transistor (HBT) is the first practical bandgap-engineered device to be realized in the silicon material system. March 2020
WORKSHOP COVERS LATEST IN MICROELECTRONICS The Microelectronics Reliability & Qualification Workshop (MRQW) provided a forum for open discussion of issues for microelectronics targeted for use in space systems. March 2020
Optimizing Electronics Test/Analysis Ratio Is testing alone more cost effective in improving reliability? March 2020
Constraint-Based Mission Assurance A framework has been established that provides an alternative path from traditional requirements-driven development. December 2019
Majority of Satellites Exceed Design Life The 2019 Satellite Lifetime Study surveyed design and actual life of U.S. military, civil, commercial, and foreign commercial satellites launched between 1980 and 2018. December 2019
How To Adopt Additively Manufactured Structures Understanding how a part’s failure modes can affect system-level performance is a key step in determining the extent of qualification and acceptance testing that is required for AM structures. December 2019
Getting It Right: Mission Assurance Summit Space program leaders address the future of mission success. December 2019
First AeroCubes Defined Using MBSE Now On Orbit As the complexity of AeroCubes increases, so does the need for rigorous systems engineering practice. December 2019
Failure In A Haystack The last 10 years have brought significant challenges to failure analysis as technological complexity rapidly increased. September 2019
Small Satellites Going Big In Space Held in Logan, Utah, this year’s SmallSat conference was the biggest ever, with more than 3,400 participants from 45 countries, representing over 1,000 organizations. September 2019
From DIPS To SIPS Driven by lower cost, lighter weight, reduced power and the need to pack more devices into ever smaller forms, many semiconductor packaging technologies are now considered assemblies or systems of… September 2019
Chasing The Dream The recent focus on service contracts for human spaceflight programs has given NASA greater cost effectiveness but puts pressure on providers to make mission assurance even more value added and… September 2019
Leading Adoption of Model-Based Systems Engineering Integrated models developed with close government–industry coordination can replace a document-centric approach with a model-centric one that provides better capabilities and offers an enterprise… September 2019
Trusted AI and Autonomous Systems Ensuring effective and safe operations of artificial intelligence / machine learning-enabled aerospace systems requires ongoing monitoring of system state of health and verification and validation of… June 2019
Coping With Inherited Components Goddard Space Flight Center developed a new holistic approach for inherited and heritage items that factors prior history, successes, anomalies, and changes in the item. June 2019