Hybrid Microcircuits


Operating through our Welwyn Components and BI Technologies brands, we have widely acknowledged industry pedigree in the successful design and manufacture of high reliability microelectronics.

Our world-class manufacturing facilities provide the foundation for the development of hybrid microcircuits integrated into the engine controls, fuel management systems and inertial navigation circuitry on some of most well-known global commercial aircraft.

Key capabilities

Hybrid Microcircuits

Turnkey circuit layout and packaging design based on customers’ electrical schematics, and performance and environmental requirements.

Design and manufacture in compliance with MIL-PRF-38534 Class H.

Engineering and program management support.

A broad range of packaging and technologies, including:

• Hermetic and non-hermetic packaging

• Multi-layer thick film printing on ceramic (AIO and AIN)

• High and low temperature co-fi red ceramic (HTCC and LTCC)

• Thin film

• Surface mount

• Bare die and wire bonding (or mixed SMT and With Chip & Wire)

State of the art ‘lean’ manufacturing facilities, including:

• Class 10,000 clean room facilities in the US and UK

• Fully automated SMT lines

• Fully automated die bonding and wire bonding

• Automated inspection (under development for wire bonding)

• Custom test systems including full temperature testing

• Environmental screening to MIL-STD-883, ESA ECSS-Q-ST-60-05 and BS9450

ISO9001:2008 and IS014001:2004 quality management systems Applications


Our diverse range of custom solutions have recently been adopted in the following applications:

• Aircraft engine controls

• Airborne phased array radars

• Aerospace / space inertial measurement units

• Wing ice protection systems

• Electronic counter measures

• Missile fusing / seeker systems

• Helicopter mission computer systems

• Minesweeper sonar systems and beacons

• Suppressor circuits for aircraft lightning protection

• High voltage mass spectrometer circuits

• Optical test instrumentation

• Oil and gas exploration pressure and temperature logging modules

Capabilities Brochure