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.
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.
The SuperCam calibration target (SCCT) carries a complex set of standards for imaging calibration, mineral identification and chemometric calculations or spectral references to calibrate and evaluate the health of the instrument basic.
Monitoring of JUICE Optical Fibers During Thermal Cycles Keeping the Optical Connectors at Different Stable Cryogenic Temperatures in 3-Chambers Setup
Two types of multimode fibers (50µm and 400µm) will be used for the scalar sensor of the JUICE (Jupiter Icy Moon Explorer program) magnetometer. This optical sensor will be placed at the end of a boom. These multimode fibers will transmit modulated laser light through the sensor, the light source, and the detector electronics being located within the spaceship.
Exposure to vacuum may cause changes in filling isolating materials even at room temperature conditions. HV Optocouplers are used to connect two different circuits while maintaining high electrical isolation between them.
Component engineering consists of all the activities needed to correct the components’ correct selection, adapting their characteristics to the specific project requirements. It is easy to understand that for the correct component selection is therefore indispensable the availability of a PA plan. A component selection must be made, considering all the provisions stated in the PA plan regarding design, production, planning, and testing.
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.
A cleanroom is a controlled environment where products are processed. It is a room in which the concentration of airborne particles is controlled to specified limits. Eliminating sub-micron airborne contamination is really a process of control. These contaminants are generated by people, processes, facilities, and equipment. They must be continually removed from the air.
Electronic Components Thermal shock testing is performed to determine the ability of parts to function properly in an environment with sudden extreme changes in temperature. It is also used for accelerated testing during product evaluation and qualification process.