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Anti-interference packaging for precision measurement circuits of scientific research experimental equipment

2025-09-11

Application Scenario: Preamplifiers and signal processing circuits in high-precision analytical instruments such as laboratory mass spectrometers and chromatographs.

Challenges: Weak electromagnetic interference (EMI), vibration, and temperature fluctuations in the environment can severely impact the measurement accuracy of weak current signals in the picoampere (pA) range.

Solution: Shield and pot the signal conditioning module.

Core Value: Potting compound isolates the circuit from the air, stabilizes the local microenvironment temperature, and provides electromagnetic shielding and vibration damping, significantly reducing the noise floor and ensuring the authenticity and repeatability of ultra-high-precision measurement data.

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