Wafer-level vacuum packaging of smart sensors

A Hilton, DS Temple - Sensors, 2016 - mdpi.com
The reach and impact of the Internet of Things will depend on the availability of low-cost,
smart sensors—“low cost” for ubiquitous presence, and “smart” for connectivity and …

[HTML][HTML] Wafer Level Vacuum Packaging of MEMS-Based Uncooled Infrared Sensors

G Demirhan Aydin, OS Akar, T Akin - Micromachines, 2024 - mdpi.com
This paper introduces a cost-effective, high-performance approach to achieving wafer level
vacuum packaging (WLVP) for MEMS-based uncooled infrared sensors. Reliable and …

Towards low-cost infrared imagers: how to leverage Si IC ecosystem

DS Temple, A Hilton, EJD Klem - Technologies for Optical …, 2016 - spiedigitallibrary.org
Although performance remains paramount, especially in defense and security applications,
cost increasingly drives the implementation strategy for existing and emerging infrared …

Low-temperature Metal Bonding for Optical Device Packaging

O Golim, V Vuorinen, N Tiwary, R Glenn… - 2021 23rd European …, 2021 - ieeexplore.ieee.org
Low-temperature solid-liquid interdiffusion (SLID) bonding is an attractive alternative for the
packaging of optical devices. It reduces global residual stress build up caused by …

Design of silicon cap for hermetic packaging of microbolometer focal plane arrays

H Xia, MN Akram, A Roy, E Bardalen… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
A microbolometer array (MBA) is used as a detector in an infrared (IR) camera. It converts
the temperature change induced by the incoming longwave IR (LWIR) light into an electrical …

Robustness of Large-Size Vacuum Sealed Packages for Microbolometer Array

H Xia, HV Nguyen, A Roy, P Ohlckers… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Microbolometers are the core detectors of uncooled thermal sensors. These detectors
require a high vacuum environment (< 1 Pa) to function, necessitating hermetic packaging …

Development and Characterization of Low Temperature Wafer-Level Vacuum Packaging Using Cu-Sn Bonding and Nanomultilayer Getter

T Kim, S Han, J Lee, Y Na, J Jung, YC Park, J Oh… - Micromachines, 2023 - mdpi.com
Most microsensors are composed of devices and covers. Due to the complicated structure of
the cover and various other requirements, it difficult to use wafer-level packaging with such …

Simulated effects of wet-etched induced surface roughness on IR transmission and reflection

P Papatzacos, MN Akram, E Bardalen… - 2020 IEEE 8th …, 2020 - ieeexplore.ieee.org
We have constructed a finite element simulation where we investigate the effects of wet-etch-
induced surface roughness on transmission and reflection of infrared light in the 8-12um …

Wafer-to-wafer bonding for hermetic and vacuum packaging of smart sensors

DS Temple, A Hilton - 2017 5th International Workshop on Low …, 2017 - ieeexplore.ieee.org
In this presentation, we will review recent advances in the development of low temperature
wafer-to-wafer bonding for the fabrication of hermetic and/or vacuum enclosures for sensors …