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unreliable (FOWLP, die-to-wafer) or the 2. A . P o d p o d , D. Ve l e n i s , A . bonding for future heterogeneous
fragility of the system itself (collective Phommahaxay, P. Bex, F. Fodor, integrated systems,” 2019 IEEE
hybrid bonding and 2D material transfer) E. J. Marinissen, et al., “High- 69th Elec. Comp. and Tech. Conf.
requires an alternative approach than the density and high-bandwidth chip- (ECTC), Las Vegas, NV, USA,
more conventional peel debond scheme. to-chip connections with 20µm 2019, pp. 607-613. doi: 10.1109/
pitch flip-chip on fan-out wafer- ECTC.2019.00097
References level package,” 2018 Inter. Wafer 5. T. N. Theis, H.-S. Wong, “The
1. K. Kennes, A. Phommahaxay, A. Level Packaging Conf. (IWLPC), End of Moore’s Law: A New
Guerrero, O. Bauder, S. Suhard, P. San Jose, CA, 2018, pp. 1-5. B e g i n n i n g f or I n f or m at i o n
Bex, et al., “Introduction of a new 3. J. Derakhshandeh, et al., “10 and Technology,” Computing in Science
carrier system for collective die- 7μm pitch thermo-compression & Engineering 19, pp.: 41-50 (2017).
to-wafer hybrid bonding and laser- solder joint, using a novel solder 6. T. H. Choudhury, X. Zhang, Z.
assisted die transfer,” 2020 IEEE pillar and metal spacer process,” Y. Al Balushi, M. Chubarov, J.M.
70th Elect. Comp. and Tech. Conf. ECTC 2020. Redwing, “Epitaxial growth of
(ECTC), pp.: 296-302. 4. A. Phommahaxay, et al., “Enabling two-dimensional layered transition
ultra-thin die to wafer hybrid metal dichalcogenides,” Annual
Rev. of Materials Research 50, pp.:
155-177 (2020).
7. K. Verguts, B. Vermeulen, N.
Vrancken, K. Schouteden, C. Van
Haesendonck, C. Huyghebaert, et
al., “Epitaxial Al2O3(0001)/Cu(111)
template development for CVD
graphene growth,” J. Phys. Chem. C
120, 297–304 (2016).
8. H. Yu, M. Liao, W. Zhao, G.
Liu, X.J. Zhou, et al., “Wafer-
scale g row th and t ransfer of
highly-oriented monolayer MoS 2
continuous films,” ACS Nano 11,
12001–12007 (2017).
9. A. Phommahaxay, K. Kennes, A.
Podpod, S. Brems, J. Slabbekoorn,
E. Sleeckx, et al., “The growing
application field of laser debonding:
from advanced packaging to future
nanoelectronics,” 2019 Inter. Wafer
Level Packaging Conf. (IWLPC),
San Jose, CA, USA, 1-8 (2019).
10. I. Asselberghs, Q. Smets, T.
Schram, B. Groven , D. Verreck,
A. Afzalian, et al., “Wafer-scale
integration of double-gated WS 2 -
transistors in 300mm Si CMOS
fab,” to be published (2020).
Biographies
Koen Kennes is a wafer bonding Engineer in the bonding thinning and assembly team at imec, Leuven
Belgium. He has two years of experience in this team where his focus is mainly on temporary and permanent
bonding as well as laser debonding in various 2D and 3D heterogeneous integration programs. He holds a PhD
in Chemistry from the Catholic U. of Leuven. Email Koen.Kennes@imec.be
Alice Guerrero is a Senior Applications Engineer at Brewer Science, Inc. She is a resident scientist in
partnership with the imec 3D system integration program based in Leuven, Belgium. She has 23 years
experience in product development with a current focus on emerging temporary bond and debond applications.
She holds a PhD in Chemistry from the U. of Illinois in Champaign-Urbana.
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24 Chip Scale Review November • December • 2020 [ChipScaleReview.com]