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68 DESIGN007 MAGAZINE I AUGUST 2024 Article by Anaya Vardya AMERICAN STANDARD CIRCUITS Ultra high density interconnect (UHDI) technology refers to advanced manufacturing processes used to create extremely compact and highly efficient electronic circuits at the sub-1-mil line and space level. In aerospace applications, UHDI is crucial due to the strin- gent requirements for weight, reliability, and performance in a challenging environment. Here are some specific aerospace applications of UHDI: 1. Avionics systems: UHDI is used in avion- ics systems to create compact, lightweight, and reliable printed circuit boards. is includes flight control, navigation, com- munication, and monitoring systems. 2. Satellite technology: Satellites require highly reliable and compact electronic systems. UHDI technology is used to build these systems, ensuring they can withstand the harsh conditions of space. 3. Unmanned aerial vehicles (UAVs): UAVs, including drones, benefit from UHDI tech- nology in their guidance, communication, and payload management systems, where space and weight savings are critical. 4. Radar systems: Radar systems used in both civilian and military aerospace appli- cations require high-performance elec- tronics. UHDI technology allows for creat- ing complex radar systems with improved performance and reliability. 5. Power management systems: Efficient power management is crucial in aerospace UHDI FUNDAMENTALS: UHDI Applications for Aerospace