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What’s new in doEEEt?

doEEEt Media Group
July 22, 2021
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Find out about the improvements we have made in doEEEt: changes in the detail page, changes in the menu, new features, improvements in navigation.
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OPTOELECTRONIC

NON-STANDARD TESTING

doEEEt Media Group
July 8, 2021
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We develop special setups to do non-standard testing: Thermal Vacuum, Ambient Cycling and Custom developments for testing (power lasers, temp sensors).
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OPTOELECTRONIC

OPTOELECTRONICS

doEEEt Media Group
July 7, 2021
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Know all the successful cases in Optoelectronic in Alter Technology Laboratories and keep updated about everything we can do for your project
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TID TEST

TID Irradiation Testing for SMALL SATS

doEEEt Media Group
July 6, 2021
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To perform a TID irradiation test on Small Sats, including any spacecraft destined for space, it is necessary to focus on the different standards and to do it according to those in which it has been d...
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High Power Lasers Screening Test

High power lasers screening test

Monica Rodriguez
July 5, 2021
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In this success case, we present two different challenges we had to face to meet the requirements of power laser users: High power lasers (30watts in this case) require specific test setups and imp...
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Testing Methods EEE Parts

Evaluation of Electronic Assemblies aTN

Evaluation of Electronic Assemblies

Mari Carmen López
July 18, 2020
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Assembly process of THT or SMT onto PCBs for spacecraft applications follow well-established design requirements based on specifications prepared by ECSS (ECSS-Q-ST-70-08C & ECSS-Q-ST-70-38C), NASA and IPC (IPC-6012).
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Rosetta

Rosetta

doEEEt Media Group
January 13, 2020
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The space probe Rosetta was built by the European Space Agency (ESA ) with the objective of reach and study Comet 67P/Churyumov-Gerasimenko. Was launched on March 2004 from Kourou. To place it on the required orbit to rendezvous with Comet 67P/ Churyumov-Gerasimenko it received four gravity assist manoeuvres: 3 from Earth (4 March 2005, 13 November 2007 and 13 November 2009) and 1 from Mars (25 February 2007).
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From ECSS-Q-ST-70-60C Dir.1

Studying Critical elements in PCB systems: Plated Through Via (PTV)

Mari Carmen López
March 13, 2020
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Plated Through Vias (PTV) are critical elements in PCB systems and special care must be paid during their inspection in order to ensure the reliability, as they are one the main factors that determine the PCB Quality. The functionality and reliability of PTVs are dictated by: the plated through hole architecture (height/diameter), plating (thickness and quality) and other PCB general characteristics (materials and design).
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Industry Applications where use C-SAM

Industry Applications where C-SAM is used

Francisco Javier Aparicio Rebollo
November 29, 2020
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C-SAM is a reliable and powerful tool for the non-destructive testing of microelectronic parts and base materials. Moreover, it is mandatory for different applications such as those described below for different sectors. In order to provide a fast reply to our customer needs our Virtual Lab platform for Remote Testing grants immediate access to our test results and fast communication with our engineers during and after the test.
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Vibration Services

Vibration Services & Acreditations

María Teresa Rodríguez
February 8, 2021
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Vibration Testing is a very specialized field where Alter Technology is a highly qualified laboratory performing numerous tests in EEE Parts. To do all this kind our services that our expert brings to you, we have extended and qualified accreditations that bring to your needs a secure and safe work.
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Outgassing and Mating Test

Outgassing and Mating Test

Pedro CARABIAS LÓPEZ
May 6, 2020
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ALTER performed Outgassing and Mating Test on High Voltage Connectors with the aim to ensure the proper parts reliability during Solar Orbiter ESA/NASA Mission
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Mounting Techniques Overview

Hi-Rel EEE Parts Mounting Techniques Overview

Tomáš Zedníček
April 30, 2019
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IR reflow soldering IR infrared “convection” reflow is commonly used in commercial large volume SMD components mounting process. The main differences in reflow soldering processes and oven types lie in heat transfer methods – radiation, conduction, convection, and condensation. In fact, all heat transfers are used in modern reflow ovens. The heat is applied from above, below, or all directions dependent on the equipment being used. In classical infrared “radiation” reflow ovens, several ceramic heaters are transferring the heat to the assemblies, moving through the oven on a conveyor belt, by radiation.
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An Introduction to Thickness VerificationATN

Thickness Verification. An Introduction on HI-REL

Emilio Cano García
April 10, 2019
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Coating Thickness Verification The thickness of metallic coatings is routinely determined by X-ray fluorescence spectrometry. This provides a basis for assessing the quality of coated materials and therefore influences decisions regarding disposition (acceptability) of the coated product as well as control of coating processes.
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EUCLID

Euclid

Israel Pedroche
January 14, 2020
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The Euclid spacecraft will carry a payload module with a 1.2m-diameter telescope and two state-of-the art scientific instruments: a visible-light camera and a near-infrared camera/spectrometer. Image Credit: Airbus Defence & Space.
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Evaluation

Phases of Evaluation and Qualification in Electronic Components

Manuel Padial Pérez
February 2, 2020
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During the Evaluation phase, components/technologies can be expensively characterized and margins determined. If the evaluation is successful we can then proceed with Qualification, on components produced strictly as defined in the final PID (Process Identification Document) and from a given lot (actually, the first production lot). Once qualified, the component is listed in the QPL (Qualified Part List).
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NEW SPACE

Qualified components, Enhanced components, Automotive parts and COTS are part of doEEEt.com. Compare all different scenarios and technical information within the platform in order to help you choosing the proper components and strategy for your Space Application.

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  • doEEEt-EEE componentes

Find in doEEEt any component included in your design

doEEEt.com is a web portal that allows you find within a database of more than 17 million components the exact solution for your need. The first database of space qualified hi rel components is now at your service.

  • Access to technical information.
  • Access to procurement information: prices, lead times…
  • Get quotations from all different manufacturers.
  • Qualification activities applicable.
  • Access to specifications, test reports, radiation information.
  • Access to available stocks.
  • DCL manager to manage your procurements.
  • Comparison of scenarios: Qualified vs. Automotive vs. COTS.

21,000,000

EEE Parts

300

Manufacturers

30,000

Documents and specifications

1,000

Packages

EEE Components Digital Library

IR SOURCES THERMAL VACUUM CYCLING CHARACTERIZATION

IR sources thermal vacuum cycling characterization

Alejandro López Moya
July 19, 2021
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Every time a component is tested in extreme temperature conditions, it becomes a challenge to design a reliable test setup. If in addition, components must be in vacuum conditions and electro-optical characterization is required at different temperatures, complexity increases exponentially.
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Lasers Endurance Characterization In Vacuum Conditions

Lasers endurance characterization in vacuum conditions

Alejandro López Moya
July 6, 2021
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In this success case, we present a complete Lot Acceptance Test (LAT) sequence that involves a high volume of tests (Mechanical, Environmental, Radiation, Assembly, ESD,..). But, on this occasion, the most tricky test to carry out was the Endurance test, where 12 lasers from different wavelengths (NIR, SWIR1, and SWIR3, from 350nm to 5um) were powered at their nominal current during 1000 hours while in vacuum conditions.
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High Power Lasers Screening Test

High power lasers screening test

Monica Rodriguez
July 5, 2021
0
In this success case, we present two different challenges we had to face to meet the requirements of power laser users: High power lasers (30watts in this case) require specific test setups and important safety considerations to avoid dangerous situations happening in DUT/setup failure.
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_Flux ESCC Domain has been updated
MANUFACTURER NOTIFICATION

FLUX NEWS – ESCC 3201/013 NEW ISSUE

doEEEt Media Group
July 5, 2021
0
Resulting from a successfully completed GSTP contract and ESCC Qualification campaign, the ESCC Detail Specification ESCC3201/013 issue 3 has been released. Under the GSTP contract Flux has developed a 5kW de-rated transformer and inductor as demonstrators for the output stage of Electrical Propulsion. The transformer was subjected to a step stress test to prove its suitability to operate at its full capability of 7.5kW and above.
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Vibration test IR source
EEE ComponentsTESTING

Lot Acceptance Test – LAT –

Alejandro López Moya
June 28, 2021
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A Lot Acceptance Test (LAT) is a reduced set of Qualification tests over components or equipment, required to accept a specific manufacturing lot for its use. A LAT sequence allows customers to have complete traceability of the components they are going to use in their application, starting from the wafer used during manufacturing.
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EMI Shielding Solutions; Würth Elektronik Webinar
EEE Components

EMI Shielding Solutions

doEEEt Media Group
June 23, 2021
0
The use of conductive or magnetic shielding material can have a significant impact on EMI performance. This coupled with the potential for late stage introduction into the design makes these an attractive solution.
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Innovative Compact High-Current Inductor
EEE Components

Innovative Compact High-Current Inductor

doEEEt Media Group
June 23, 2021
0
With innovative improvements in its internal design, the latest model of WE-HCF-SMT high-current inductors from Würth Elektronik sets new standards in its class. WE-HCF in the 2010 design offers significantly better characteristics than previously available inductors in this size: inductance values up to 2 μH and saturation currents up to 25% higher than comparable products in the market.
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Switched-Capacitor Circuits Explained
EEE Components

Switched-Capacitor Circuits Explained

doEEEt Media Group
June 23, 2021
0
A switched-capacitor circuit is a discrete-time circuit that exploits the charge transfer in and out of a capacitor as controlled by switches. The switching activity is generally controlled by well-defined, non-overlapping clocks such that the charge transfer in and out is well defined and deterministic.
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ALTER TECHNOLOGY is a quality driven company providing procurement, engineering and test services for electronic components and systems, within space and harsh environment markets.
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