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ALTER Laboratory Services, INSPECTION, ELECTRICAL & VERIFICATION, TESTING

When and What to do in an Electrical Test

  • Posted by Sonia Vargas
  • On February 21, 2020
  • 1
For passive devices testing, we have equipment which permits the characterization of the electrical behavior of resistors, capacitors, coils, etc., in a wide range of test conditions and in accordance with their applicable specifications: Measurement and testing of high power devices, Dielectric withstanding, voltage up to 12 KV Characterization on LCR devices up to 3 GHz
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SiC Testing

SiC Reliability Testing for Bepi Colombo

  • Posted by doEEEt Media Group
  • On February 12, 2022
  • 0
These diodes have been designed for harsh environment space applications such as inner Solar System exploration probes. More specifically these diodes are being tested to be the blocking diodes of the solar panels for the Bepi Colombo mission.
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Optoelectronics, TESTING

GRACE PROJECT: Electrical Characterization at 500°C

  • Posted by Juan Moreno Echarri
  • On January 24, 2022
  • 0
Our Optoelectronics department knows how to fulfill this need. One of our customers requested that we carry a thermal cycling test at extreme temperatures (between 93ºC and -178ºC) over some VIS-NIR calibration sources (five samples at a time). At the same time, these sources were tested in vacuum conditions, and electro-optical characterization at different temperatures during cycling was requested.
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INSPECTION, ELECTRICAL & VERIFICATION

X-Ray Inspection applied to DPA test

  • Posted by doEEEt Media Group
  • On April 26, 2022
  • 0
During the DPA test, parts go through a systematic and detailed examination at different levels of disassembly. It is important to note that DPA is not a test itself, but rather a comprehensive series of tests where parts are examined for a wide variety of design, workmanship, and processing problems.
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EEE Components, PASSIVES

Reliability Issues with Polymer and MnO2 Tantalum Capacitors

  • Posted by doEEEt Media Group
  • On January 25, 2021
  • 0
A comparative analysis of degradation processes, failure modes and mechanisms in MnO2 and polymer technology tantalum capacitors. Analyzed conditions include effects of vacuum and radiation, soldering (pop-corning), long-term storage, operation at high temperatures, stability at low and high temperatures, and anomalous transients.
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Small Sats Testing

  • Posted by doEEEt Media Group
  • On June 24, 2004
  • 0
New Space has become a space revolution within the market, bringing new challenges, where Small Sats revolutionize how space is used. Small Sats are spacecraft with a mass of less than 500 kg, although we can find some satellites with a lower threshold. They fall into three categories: nanosatellites with a mass of 1 to 10 kg, microsatellites with 10 to 100 kg, and minisatellites with a mass between 100-500 kg. CubeSats are the only ones with a more clearly defined standard. A CubeSat consists of units: a unit is a 10x10x10 cm cube. The CubeSat is then determined by the number of units, such as 6U or six units.
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COTS, New Space, LEO Constellations

LOW-COST and High-Flexibility SEL Testing Unit

  • Posted by Gaizka Eiguren
  • On December 3, 2019
  • 0
Space industry is changing very fast since the last few years. With the explosion of the information society a lot of new players have come into the space market. Thanks to them, customers are demanding better specifications and lower prices. This situation is pushing most of the companies to explore new ways of making satellites. When it comes to components, traditional rad-hard parts are progressively been replaced by commercial off-the-shelf (COTS) ones in a lot of applications. In order to have an excellent time performance in the Single Event Latch up (SEL) tests, a lowcost and high-flexibility testing unit has been developed by Thales Alenia Space in Spain called CLARK (Control de Latch up Ajustable y Regulable para Kits de Evaluación).
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