Comprehensive Study on 2.5D Package Design for Board-Level Reliability in Thermal Cycling and Power Cycling

Author(s):  
Shuai Shao ◽  
Yuling Niu ◽  
Jing Wang ◽  
Ruiyang Liu ◽  
Seungbae Park ◽  
...  
2014 ◽  
Vol 2014 (1) ◽  
pp. 000081-000085
Author(s):  
Jaimal Williamson ◽  
Kurt Wachtler ◽  
David Chin ◽  
Mike Pierce

Package-on-Package (PoP) technology has been in production for commercial and portable electronic applications for many years. The key challenge for PoP in automotive applications is meeting the aggressive defect level requirements. The need for PoP has historically been driven by mobile and tablet applications and an increased demand for more processor and memory performance within smaller spaces. With the maturity and excellent historical performance of PoP technology used with TI OMAPTM processor products, PoP can now be introduced as a reliable packaging technology in the automotive industry. This paper will describe the work involved in the enablement of commercial PoP technology into the automotive industry. The challenges and requirements regarding package design, warpage performance, surface mount (SMT) characterization, and board-level reliability (BLR) performance will all be explained.


2016 ◽  
Vol 2016 (1) ◽  
pp. 000675-000682
Author(s):  
Tara Assi ◽  
Paul Galles ◽  
Andrew Mawer ◽  
Trent Uehling ◽  
Steve Safai

Abstract Technology development for Internet of Things applications is growing astronomically, increasing the demand for smaller, faster, and lower power solutions to run and power a vast array of connected machines and objects. The LS1012A is the smallest 64-bit processor on the market today, with a novel 211 LGA package that creates a mechanically robust and space efficient component. However, excellent board level reliability is required in order to meet the various IoT application needs. This study evaluates the board level reliability of the 211 LGA by performing single chamber thermomechanical cycling, monotonic bend testing, and JEDEC drop testing. The objective of this study is to fully optimize the board level performance of the 211 LGA without dramatically altering the package design. Two significant board level changes were applied to achieve significant board level performance, exceeding all projected application uses.


2005 ◽  
Vol 128 (3) ◽  
pp. 281-284 ◽  
Author(s):  
Tong Hong Wang ◽  
Chang-Chi Lee ◽  
Yi-Shao Lai ◽  
Yu-Cheng Lin

In this work, thermal characteristics of a board-level chip-scale package, subjected to coupled power and thermal cycling test conditions defined by JEDEC, are investigated through the transient thermal analysis. Tabular boundary conditions are utilized to deal with time-varying thermal boundary conditions brought by thermal cycling. It is obvious from the analysis that the presence of power cycling leads to a significant deviation of the junction temperature from the thermal cycling profile. However, for components away from the die, the deviation is insignificant. Moreover, for low-power applications, temperature histories from coupled power and thermal cycling are approximately linear combinations of temperature histories from pure power cycling and the ones from pure thermal cycling.


Author(s):  
Scott McCann ◽  
Satoru Kuramochi ◽  
Hobie Yun ◽  
Venkatesh Sundaram ◽  
M. Raj Pulugurtha ◽  
...  

2005 ◽  
Vol 2 (3) ◽  
pp. 171-179 ◽  
Author(s):  
Tong Hong Wang ◽  
Yi-Shao Lai ◽  
Chang-Chi Lee

In this paper, the sequential thermal-mechanical coupling analysis, which solves in turn the transient temperature field and subsequent thermomechanical deformations, was carried out to investigate board-level fatigue reliability of a thin profile and fine pitch ball grid array (TFBGA) chip-scale package under accelerated power cycling test conditions. Experiments for steady-state and transient thermal dissipations were conducted to verify the thermal analysis. Comparing between numerical results for power cycling and thermal cycling, it is noticed that for the tests with similar low and high temperature extremes, power cycling results in a much longer fatigue life than thermal cycling, which indicates that thermal cycling is a more conservative criterion than power cycling is in evaluating the fatigue resistance of the electronic packages.


Sign in / Sign up

Export Citation Format

Share Document