Page 37 - ChipScale_Mar-Apr_2021-digital

Packaging trends for automotive LIDAR applications

By Ajay Sattu, Weilung Lu, Mike Sleiman, Burt Barber [Amkor Technology, Inc]
R evolutionizing the safety 2020), nearly 34,000 crashes resulted In recent years, light detection and

of the moder n car will
additionally, 1.9 million crashes
re du ce r o a d t r a f f i c in fatalities in the United States; ranging (LIDAR) technology has
gained viability for applications such
fatalities and associated costs. Each resulted in injury and 4.8 million as advanced driver assistance systems
year, approximately 1.35 million crashes resulted in property damage [2]. (ADAS) and autonomous driving (AD).
people die due to road traffic crashes While automotive car manufacturers As the automotive industry pushes the
worldwide. A nd, these accidents (original equipment manufacturers safety envelope of the newer vehicles
cost most countries 3% of their gross [OEMs]) have integrated the modern with ADAS and AD capabilities, the
domestic product [1]. Human error car with a suite of sensors, such as variety of state-of-the-art solutions is
is the leading cause for a majority radio detection and ranging (radar), promising. Most OEMs and system
of these traffic fatalities. According cameras, inertial measurement units (Tier 1) suppliers believe a combination
to the National Highway Traff ic (IM U), and an anti-lock braking of LIDA R, radar and cameras is
Safety Administration’s (NHTSA) system (ABS), continued improvements essential for a robust safety platform.
annual report for 2018 (published in will further automate driving tasks.

Figure 1: SAE autonomous driving levels. SOURCE: SAE International

35
Chip Scale Review March • April • 2021 [ChipScaleReview.com] 35