Page 40 - Chip Scale Review_July August_2023-digital
P. 40

PERSPECTIVES IN R&D






                           A pioneering and successful academic-industry model

                           in integrated systems packaging at Georgia Tech


                           By Rao R. Tummala  [Georgia Tech]


        M            any industry-university   how universities can perform leading-  127mm substrates. The substrate was



                     m o d el s  h av e  b e e n
                                           edge next-generation strategic R&D,
                                                                              the industry’s first low-temperature co-
                     developed globally in
                                                                              standard that is used in all radio-
                     electronics over the last   educate massive numbers of students,   fired ceramic (LTCC), now an industry
                                           and co-develop all the technologies
        five decades to improve the effectiveness   necessary for the next-generation of   frequency (RF) applications.
        of the academic community, to serve   computing, communication, automotive   The NSF ERC I started is the flagship
        the needs of the local industry, and   and consumer systems, and ready them   program that funds transformational
        to contribute to the competitiveness   for commercialization. This paper is   technology concepts, such as the
        of the applicable country. Academic   about how we created an innovative and   exploration and development of three
        universities are known to perform   successful academic/industry model   major prog ra ms si mult a neously,
        highly-innovative research—but that   while developing glass-panel packaging   described below.
        research hardly ever ends up in products.   from  concept  to  commercialization.   Explore and demonstrate SoP. This
        Industry, therefore, performs its own   The result was leading-edge packaging   program was in contrast to the use
        R&D, independent of academic R&D,   for high-performance computing and   of SoC packaging, which was being
        to address the so called “valley of   artificial intelligence (AI), 6G and   pursued by the industry at the time.
        death” between academic R&D and the   beyond communications, and automotive   Develop educational programs. A
        industry’s manufacturing needs.    and consumer electronics. How this was   large number of educational programs,
          Asia n a nd Eu ropea n cou nt r ies   accomplished is the basis of the new   including both classroom and hands-
        created national industrial institutes   model described in this article.  on courses, were developed along with
        like the Industrial Technology Research                               curricula and textbooks. A large number
        Institute (ITRI) in Taiwan, the Institute   Setting-up the Packaging Research   of interdisciplinary students participated
        of Microelectronics (IME) in Singapore,   Center                      at the BS, MS and PhD levels.
        and  the  Fraunhofer-Gesellschaft  in      The model we set up is very different   Set up and demonstrate a large
        Berlin, Germany to address the valley   from the other models used by the   global industry consortium. It was
        of death. Except for imec (Belgium),   organizations listed above. The GT PRC   essential to gather a large number of
        most industrial institutes focus on   started as an NSF ERC with a system-  researchers, developers, manufacturers
        short-term technology development   on-package  (SoP) vision  I  defined,   and users, all working together to
        i n pa r t ne r sh ip w it h i ndu st r y t o   which was in contrast to the system-on-  co-develop next-generation systems
        transfer developed-technologies into   chip (SoC) vision widely practiced in   technology, ready for manufacturing in
        manufacturing. In the U.S., no such   the industry.                   an accelerated mode.
        institutes exist as bridges. Companies   Georgia Tech is top ranked and the
        work directly with universities, mostly   largest academic engineering institute   Two-part R&D strategy with two
        for purposes of training an educated   in the U.S. As such, it has a very large   R&D teams
        workforce. The National Science    group of faculty and many, if not all,   U.S. universities are viewed as the
        Foundation Engineering Research    engineering departments, have state-  best and most innovative in the world for
        Center (NSF ERC) is the best example   of-the-art facilities. In semiconductors,   leading-edge R&D. But their impact on
        of all government-funded programs   it has an extensive facility called   developing and  transferring technologies
        in the U.S. that attempts to close the   IEN, Institute for Electronics and   ready for commercialization has been
        gap between academic institutions   Nanoelectronics. Within that, it has   minimal. In Asian and European
        and industry—it starts with the basic   many centers including the Packaging   countries, this problem has been
        research and tries to couple to the   Research Center (PRC) created by   addressed by universities performing
        industry. The Semiconductor Research   me  when I joined Georgia  Tech in   research and industrial institutes
        Corporation (SRC) was created in the   1993, after 25 years at IBM where I   performing technology development in
        USA, but its focus is more strategic   developed  leading-edge  packaging,   partnership with, and funding from, the
        R&D, funded by the industry, and the   now called chiplet or 2.5D. This   industry, thereby building upon academic
        R&D takes place at universities.   technology integrated up to 144 small   advances.
          Georgia Tech Packaging Research   chips including logic, memory and   Georgia Tech PRC divided R&D into
        Center  (GT  PRC)  is  an  example  of   capacitor devices, on ver y large,   two parts described in the sections below.


        38
        38   Chip Scale Review   July  •  August  •  2023   [ChipScaleReview.com]
   35   36   37   38   39   40   41   42   43   44   45