STEHA-Elektronik stands for careful and precise manufacturing with comprehensive process reliability. All production steps and processes are subject to strict and continuous quality management. Expert knowledge, long-term experience as well as high-quality material and modern technology are the corner stones of our products. Consistent application of quality assurance according to ISO 9001 is not just a formality for us, but rather stems from our desire to always strive to fulfill the high demands of our customers.
Unsere Leistungen umfassen unter anderem:
- Quality checks before production begins:
- Verifying data is complete and unambiguous
- Design for Manufacturing support possible for external developments, to achieve best quality and cost/benefit ratio
- Identification of alternative components if necessary
- Communication and support in reacting to product change notifications, sourcing of hard to get or obsolete components where alternatives are not possible (Obsolescence Management)
- Specimen testing
- All production in ESD controlled environment and by trained workers
- Manual and Automated Optical Inspection (AOI device):
- Presence/absence check, tomb stone detection
- Soldering check (too little/too much solder, bad solder joint, solder bridges etc.)
- Correct positioning (orientation, polarity, offset etc.)
- Value checking if possible (text/colors/marker)
- any other defects (e.g. contamination)
- End-of-line ICT & functional testing with custom developed testing devices (e.g. bed of nails adapters and/or electronics on PCB):
- Short circuits
- Functional testing of protection components
- Verification of voltages under defined load
- Programming of testing software for functional tests of CPU/MCU/ICs
- Verification of precision and noise of analog components according to specification
- Burn-In tests
- Flashing of production software (including verification)
- Isolation test for complete devices with rubber connectors
- Documentation of test results
- Support with pre- and certification tests EMC
- Other tests for special cases
AOI device (Automated Optical Inspection) for automatical assessment of production and soldering results