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Study on millimeter wave GaN transistors for space applications

GaN-based devices are becoming a key technology for millimeter-wave applications. Because of outstanding material properties, recent advances in GaN device designs provided a sharp increase in performances including high power, high efficiency, reliability, linearity, and compact size. These capabilities are ideally suited for numerous millimeter-wave power applications such as wireless networks and PAs MMIC for Q-band frequency and beyond.

France

S 2021-09

CNRS-IEMN
Intelligent COTS based Power Stages for Robotic Applications

The main objective of the intelligent COTS-based Power Stages (iCOTS) project consisted of the following aspects:

  • Design and implementation of a BLDC power stage for robotic space application
  • A modular design for the evaluation of power electronics in robotic space application based on COTS GaN-FETs
  • Definition of the design process and the appropriate selection of COTS components
  • Radiation test of selected COTS components
Germany

20-D-T-TEC-05-a

DFKI - Deutsches...
Power sail disruptive PV power array technology to enable economic viability of SPS

The goal of the Powersail project is to demonstrate the potential of amorphous silicon (a-Si) deposited on ultralight space-grade polyimide for solar power satellites (SPS). State of the art solutions are III-V compound semiconductor triple junction-based PV modules, which are 100 times too expensive and one order of magnitude too heavy to build a competitive SPS with terrestrial microwave energy collection infrastructure.

Switzerland

21-D-T-TEC-01-a

CSEM SA. Centre Suisse...
Delaminations in plastic package:Evolution under constraints

The various players in the space sector activities (equipment manufacturers, operators, and space agencies) believe that the future belongs to industrial components. Industrial components (such as Automotive-quality and commercial-quality components) have already been selected and used for launcher-type or short duration satellite missions. Metallographic cross sections made on plastic packages industrial components, in the frame of these programs, revealed delamination between the chip and the encapsulation resin.

Belgium

20-D-S-TEC-05-b

Thales Alenia Space
Nano-Black Coating on Silicon CMOS Image Sensors for Extreme Sensitivity

A novel anti-reflection process was demonstrated which improves the quantum efficiency (QE) of a CMOS image sensor, with particular benefits at the ultraviolet (UV) and near infrared (NIR) ends of the electromagnetic spectrum. Also, the dark current and photoresponse non-uniformity (PRNU) were reduced to about 33% and 55%, respectively, of the values for a conventional control sensor. Spatial resolution seemed to be reduced in the NIR, as indicated by MTF measurements, but further investigations are required.

United Kingdom

S 2020-10-a

The OPEN UNIVERSITY
Mobile – Selective Laser Melting (M-SLM) for Construction on the Moon

When setting up a lunar station, technologies for the use of locally available materials are crucial. Such technologies drastically reduce the need for transportation from Earth. This project idea aims to provide proof of a key technology, namely Mobile – Selective Laser Melting (M-SLM) for building large structures on the Moon.

Germany

20-D-T-TEC-03-f

Technische Universität...
GE⊕ Lunar Power Station

The main objective of the study is to investigate the technological feasibility of implementing the GE⊕-LPS concept, and its role as a prototype for proposed cislunar scenarios supplying electric power to Earth. The methodological approach to the study has been to identify and validate the most simple and effective solutions which ould be practically implemented with known and existing technologies and approaches.

Switzerland

21-D-S-TEC-01-d

Astrostrom GmbH
Magnetic Shields for Quantum Sensors in Space

The activity investigated a novel hybrid magnetic shielding system that uses both passive and active cancelation. The design and simulations used, along with the characterisation and measurements taken on the optimised system, are summarised in the executive summary report, and described in more detail in the Final Report. This activity was divided in two main work packages: study of optimisation and magnetic shield prototype.

United Kingdom

S 2021-05-b

RAL (Rutherford Appleton...
MOSFET Commercial plastic components survey and its SEE characterization

The aim of this activity is to:

Spain

20-D-S-TEC-05-e

ALTER TECHNOLOGY TUV...
A Consumable-less Propulsion System Based on a Bare-Photovoltaic Tether

As proved in several missions, the Lorentz force acting on the electric current carried by a space electrodynamic tether (EDT) can be used to propel spacecraft without using propellant. State-of-the-art EDTs involve a bare tape for passive electron collection (anodic contact) and an active device, or a tether segment coated with a low-work-function material, for electron emission (cathodic contact).

Spain

ETD 2021-04

Universidad Carlos III...

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