NEPP - PEMs Portal

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Information Portal for Plastic Encapsulated Microcircuits for Space

Welcome to the PEMs Portal where the documents related to the use of Plastic Encapsulated Microcircuits in NASA programs and projects are gathered. The quality and reliability of PEMs have been steadily improving as more test data have become available. The debate concerning the use of PEMs in space applications has been the subject of many papers and presentations over the past decade. Many of these relevant documents are available here to support the work of the component engineers, design engineers, reliability engineers and project engineers.

To view a list of PEMs related documents in the NEPP library, choose from the category link in the left column below. References and links outside of the NEPP library have been collected for each category as well (use lick on the category, choose from the links provided below:

Overview Documents Also see: - NASA GSFC policy statements - Additional information and links	The overview papers discuss the criteria that must be imposed on PEMs in order to qualify these circuits for space applications.
Guideline Documents Also see: - Additional information and links	Guidelines intended to guarantee that the PEMs will function successfully in the intended applications have been compiled.
Test Techniques Also see: - Additional information and links	Several papers describing test techniques specifically designed with PEMs in mind have been published
Test Data Also see: - Background and Data for NEPAG PEMS Evaluation NEW - Additional information and links	Test data relating to specific microcircuits that were being considered for space applications detailing the levels of workmanship and quality that can be expected when commercial PEMs are designed into NASA equipment.
Other Documents Also see: - Additional information and links	Documents not classified in the aforementioned categories.

Comments and inputs for this page should be addressed to Jeannette Plante.