78315 Radolfzell, de
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Function test at 85°C for electronics
Temperature test of PCBs and assemblies
In order to fulfill these requirements, there are two different solutions which primarily depend on the quantity of the DUTs that basically come into question. Moreover the solution strategy should be adapted to the manufacturing location and production environment specific to the country.
One solution is for small and middle quantities. They suggest the usage of temperature chambers, in which the products are continuously tested. A disadvantage of this solution variant is the very laborious manual assembly of such chambers. More over the mechanical development and the wiring of the cabinets are connected with high investment costs. In addition extremely complex test systems are needed for all DUTs to take the stress test simultaneously.
To test assemblies with high temperature in large quantitites, test systems with a high efficiency and output are definitely necessary. For these requirements the use of temperature tunnel systems with continuous treatment of parts is considerably more economical.
The demand of the automotive industry is a function test with constant contacting of the products at 85° C. Basically we have to ask whether this setting of tasks can be solved at best taking all technical and economic factors into account.
Technically speaking such a test procedure is possible, but it involves extremely high capital expenditures. Alternatively there is the possibility of continuously applying current to the products and of pointedly testing them only at some stopovers. From today's point of view, this fulfills the demanded requirements and is to be realized with a moderate scope of investment.
Such inline test systems for the stress test of PCBs and DUTs are developed and realized at ENGMATEC GmbH. New concepts on basis of a continuous power supply with sequential test make it possible for the customer to achieve an economical production with adequate testing costs per unit.
To pick up current changes of the market and to develop innovative systems belongs to the corporate philosophy of the company ENGMATEC. Regarding the new requirements of the automotive industry the developers from Radolfzell have certainly succeeded in achieving this aim with their concept for the temperature test.
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