Promwad performs all the manufacturing tests for electronics

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Promwad Electronics Design House offered its customers a new service of all-inclusive, testing on the production site. As a result, the company's customers receive support during all stages of creating a new product for the electronics market: from an idea to the final check of a serial device including the functionality and assembly testing during the mass production stage.

Functionality testing and assembly testing for the mass production of electronics.

Functionality testing and assembly testing

Promwad offers its customers all types of testing on the production site. The company's customers receive support during all stages of creating a new product for the electronics market.

Promwad applies the following methods and technologies to ensure quality verification of the designed devices:

1. Automated optical inspection (AOI) and automated X-ray inspection of electronics (AXI) as a preliminary stage of quality control in the process of PCB contract manufacturing and assembly.

2. In-circuit testing (ICT / FICT) for checking the connections and components on the printed circuit board, analyzing the electrical parameters of the entire circuit or its individual sections. This method uses probes contact with the assembled PCB nodes: it can be a bed of nails, flying probes or flying matrices.

3. Boundary scan based on the JTAG technology and the IEEE 1149 standard. It allows you to improve the quality of the designed devices and reduce costs during the mass production stage. The main advantage of this technology is the possibility of testing devices with limited access to microcircuit pins in BGA, COB and QFP cases.

Manufacturing engineers at Promwad emphasize that it's very important to identify all possible defects, since if an unverified PCB goes to the programming stage, there may be problems with the running memory and peripherals. As a result, It will be difficult to determine the cause of the problem: incorrect software settings or PCB assembly defects.

4. Functional testing (FCT), the manual or automatic check of assembled or partially assembled devices for the performance of a specified functionality and for compliance within the parameters laid down in the device's specification. To apply this type of verification, Promwad engineers design test stands and equipment, including test plan and software. With a competent approach, this technique is able to cover almost all the functionality of the device in record time.

The practice of Promwad Electronics Design House shows that when planning mass production it is necessary to take into account the performance of all testing methods. Company specialists select the optimal combination of QA technologies to ensure minimum testing time for one device with maximum test coverage.

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Olga Potonya
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since: 10/2010
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