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That success may be traced partially to Kim, now an emeritus professor at KAIST. Of common peak, with grey hair since his mid-30s, he was the primary professor in South Korea to systematically educate semiconductor engineering. From 1975, when the nation had barely begun producing its first transistors, to 2008, when he retired from instructing, Kim educated greater than 100 college students, successfully creating the primary two generations of South Korean semiconductor consultants.
The Samsung Welfare Basis acknowledged Kim’s affect when it
awarded him its prestigious Ho-Am Prize in 1993 for “constructing a stable basis for Korea’s semiconductor {industry}.” Since then, he has been revered within the South Korean media because the {industry}’s “godfather.” But even at present, Kim stays largely unknown outdoors of South Korea’s chip neighborhood. Who, then, is that this inconspicuous semiconductor “Mafia” boss?
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Kim Choong-Ki was born in Seoul in 1942, when Korea was a colony of the Japanese Empire. His mom taught elementary faculty; his father, Kim Byung-Woon, was a textile engineer for
Kyungbang, Korea’s iconic producer of yarns and materials. The elder Kim had helped construct the corporate’s first spinning manufacturing unit, and his engineering savvy and consequent renown impressed his son. “He made a day by day tour of the manufacturing unit,” the youthful Kim recollects. “He informed me that he may detect which machines had been in bother and why, simply by listening to them.” Such classes planted the seed of an ethos that may drive Kim Choong-Ki’s profession—what he got here to name the “engineer’s thoughts.”
Rising up, Kim Choong-Ki was a mannequin South Korean scholar: bookish, obedient, and silent. Though his household pressed him to affix his father within the textile {industry}, he as a substitute selected to pursue electrical engineering. He studied at Seoul Nationwide College after which at Columbia College, in New York Metropolis, the place he earned his doctorate underneath
Edward S. Yang, a specialist in transistor idea. Shortly after, in the summertime of 1970, Fairchild Digital camera and Instrument employed Kim to work in its analysis and growth laboratory in Palo Alto, Calif.
Since World Battle II, Fairchild Digital camera had been the world’s main developer of imaging tools, together with radar cameras, radio compasses, and X-ray machines. In 1957, the corporate launched the division Fairchild Semiconductor to manufacture transistors and built-in circuits from silicon, then an progressive transfer, as most semiconductor units on the time used germanium. The enterprise spawned dozens of merchandise, together with the primary silicon built-in circuit, thus fueling the rise of Silicon Valley. As a newcomer to Fairchild’s R&D lab, Kim was put to work on certainly one of these new sorts of chips: the charge-coupled machine.
Simply the yr earlier than, in 1969, George E. Smith and Willard Boyle at Bell Laboratories
proposed the idea of the CCD, for which they might later win a Nobel Prize. However it was Kim and his colleagues at Fairchild who realized the primary CCD units that developed into industrial merchandise extensively utilized in digital images, radiography, and astronomy. Kim grew to become so proficient in CCD know-how that different engineers on the firm often dropped by his workplace on the finish of the day to choose his mind. “Quickly they started to name me Professor CCD,” he remembers.
Amongst different innovations, Kim helped develop a
CCD area image sensor that greatly improved low-light detection and the primary two-phase CCD linear image sensor—which, he reported, assured “the convenience of use and the top quality of picture copy.” “Fairchild’s—or higher name them Choong-Ki’s—CCDs made attainable the extensive purposes in high-resolution cameras,” Columbia’s Yang says. With out these useful units, he provides, “there could be no Nobel Prize for the CCD.”
Kim’s time at Fairchild remodeled him as a lot because it did digicam know-how. His education in South Korea and at Columbia had primarily emphasised e book studying and idea. However his expertise at Fairchild solidified his perception, first impressed by his father, {that a} true “engineer’s thoughts” requires sensible talent as a lot as theoretical data. Along with performing experiments, he made a behavior of studying inner technical reviews and memos that he discovered on the firm library, a few of which he later dropped at KAIST and used as instructing materials.
At Fairchild, Kim additionally realized methods to talk with and lead different engineers. When he began there, he was soft-spoken and introverted, however his mentors at Fairchild inspired him to precise himself confidently and clearly. Later, the transformed Kim would grow to be the “loudest-speaking” professor at KAIST, in response to a number of fellow school members, and so they say his absence made the entire campus appear quiet.
Kim rose shortly inside Fairchild’s hierarchy. However simply 5 years into his tenure, he returned to South Korea. His beloved father had died, and, because the eldest son, he felt a heavy duty to look after his widowed mom. Racial discrimination he skilled at Fairchild had additionally harm his delight. Most necessary, nevertheless, he had discovered an excellent place to work again dwelling.
Then referred to as KAIS (the “T” was added in 1981), Kim’s new employer was the primary science and know-how college in South Korea and stays probably the most prestigious. The South Korean authorities had established the institute in 1971 with financing from the US Company for Worldwide Improvement and had invited
Frederick E. Terman, the legendary dean of Stanford College’s faculty of engineering and a “father” of Silicon Valley, to attract up the blueprint for its path. Terman burdened that KAIS ought to intention to “fulfill the wants of Korean {industry} and Korean industrial institutions for extremely educated and progressive specialists, reasonably than so as to add to the world’s retailer of fundamental data.” It was the right place for Kim to unfold his newfound philosophy of the “engineer’s thoughts.”
Kim’s laboratory at KAIS attracted scores of formidable grasp’s and doctoral candidates from nearly the second he arrived within the spring of 1975. The first purpose for the lab’s reputation was apparent: South Korean college students had been hungry to study semiconductors. The federal government touted the significance of those units, as did electronics corporations like GoldStar and Samsung, which wanted them to fabricate their radios, televisions, microwaves, and watches. However the {industry} had but to mass-produce its personal chips past fundamental built-in circuits resembling CMOS watch chips, largely as a result of a scarcity of semiconductor specialists. For 20 years, till the mid-Nineteen Nineties, becoming a member of Kim’s lab was basically the one approach for aspiring semiconductor engineers in South Korea to get hands-on coaching; KAIS was the one college within the nation that had in a position academics and correct services, together with clear rooms for assembling high-quality chips.
However it wasn’t KAIST’s digital monopoly on semiconductor coaching that made Kim a mentor with out peer. He launched a mode of instructing and of mastering engineering that was new to South Korea. As an illustration, his conviction that an “engineer’s thoughts” requires equal elements idea and utility at first puzzled his college students, who regarded engineering as mainly a scholarly self-discipline. Though they had been proficient in arithmetic and properly learn, most of them had by no means carried out any critical work in design and development.
Due to this fact, one of many first classes Kim taught his college students was methods to use their fingers. Earlier than they launched into their very own initiatives, he put them to work cleansing the lab, repairing and upgrading tools, and monitoring down crucial elements. On this approach, they realized methods to remedy issues for themselves and methods to improvise in conditions for which no textbook had ready them. Their view of what it means to be an engineer modified profoundly and completely. Lots of them confess they nonetheless repeat Kim’s dicta to this present day. For instance: “Don’t select the themes that others have already thrown into the trash can.” And: “Scientists take into account
why first, however we engineers should assume how first.” And: “Fallacious resolution is best than gradual resolution.”
Kim’s former college students bear in mind him as sort, humorous, nonauthoritarian, meticulous, and hardworking. However additionally they say he was strict and could possibly be scorching tempered and even terrifying, particularly when he thought they had been being lazy or sloppy. Legend has it that a few of his college students entered the lab by way of a ladder from the rooftop to bypass Kim’s workplace. One in all his greatest grievances was when college students did not correctly stability idea and follow. “Make it your self; then we are going to begin a dialogue,” he scolded those that targeted an excessive amount of on mental examine. However, he stated, “Why don’t you utilize one thing malleable throughout the arduous nut in your neck?” as a reproach to those that spent an excessive amount of time constructing issues, implying that they need to additionally use their brains.
Kim influenced not solely his personal college students but in addition numerous others by his openness. He cooperated with and even shared laboratory area with different KAIST professors, and he favored to go to different departments and universities to provide seminars or just to achieve new concepts and views—conduct that was, and nonetheless is, very uncommon in South Korean tutorial tradition. In his autobiography,
Chin Dae-Je, who developed 16-megabit DRAM at Samsung in 1989 and later served as South Korea’s minister of knowledge and know-how, recounts in search of out Kim’s tutelage when Chin was a graduate scholar at Seoul Nationwide College within the mid-Seventies. “There was an intense spirit of competitors” between SNU and KAIST, recollects Chin, whose alma matter labeled him a “downside scholar” for learning with a rival professor.
Kim’s collegiality prolonged past academia to {industry} and authorities . Within the early Eighties, throughout a sabbatical, he led semiconductor analysis and growth on the government-funded
Korea Institute of Electronics Technology, which developed each 32-kilobit and 64-kilobit ROM underneath his directorship. His well-liked semiconductor workshops at KAIST impressed GoldStar (LG since 1995), Hyundai Electronics (Hynix since 2001), and Samsung to sponsor their very own coaching applications at KAIST within the Nineteen Nineties. Kim’s shut partnership with these corporations additionally helped launch different pioneering mostly-industry-funded initiatives at KAIST, together with the Heart for Excessive-Efficiency Built-in Programs and the Integrated-Circuit Design Education Center, each directed by Kim’s former scholar Kyung Chong-Min. And the semiconductor {industry}, in flip, benefited from the ever extra extremely educated workforce rising from Kim’s orbit.
Kim’s lab at KAIST developed in parallel with the expansion of the semiconductor sector in South Korea, which may be divided into three durations. Through the first interval, starting within the mid-Sixties, the federal government led the cost by enacting legal guidelines and drawing up plans for {industry} growth, establishing analysis institutes, and urgent corporations and universities to pay extra consideration to semiconductor know-how. Samsung and different electronics corporations wouldn’t get critical about manufacturing semiconductor units till the early Eighties. So when Kim began his lab, nearly a decade prior, he was coaching engineers to fulfill the {industry}’s
future wants.
His first group of scholars labored totally on the design and fabrication of semiconductors utilizing PMOS, NMOS, and CMOS applied sciences that, whereas not leading edge by world requirements, had been fairly superior for the South Korea of the time. As a result of there have been few {industry} jobs, many alumni of Kim’s lab took positions at authorities analysis institutes, the place they developed state-of-the-art experimental chips. An exception was Lim Hyung-Kyu, certainly one of Kim’s first grasp’s candidates, whom Samsung despatched to review at KAIST in 1976. Lim would go on to guide the event of varied reminiscence units at Samsung, most significantly NAND flash reminiscence within the Nineteen Nineties.
The second interval began in 1983, when Samsung declared that it will pursue semiconductors aggressively, beginning with DRAM. The transfer drove rival conglomerates resembling Hyundai and GoldStar to do likewise. Because of this, the South Korean chip {industry} quickly expanded. KAIST and different universities offered the required manpower, and the federal government lowered its function. In Kim’s lab, college students started to discover rising applied sciences—together with polysilicon thin-film transistors (for LCD panels), infrared sensors (for navy use), and fast thermal processing (which elevated effectivity and lowered prices of semiconductor manufacturing)—and revealed their leads to prestigious worldwide journals.
KAIST graduates flocked to Samsung, GoldStar/LG, and Hyundai/Hynix. As authorities affect declined, some alums from the primary interval who had labored at authorities analysis institutes additionally took company jobs. On the similar time, increasingly more of Kim’s former college students accepted college professorships. After leaving Kim’s lab in 1991, as an example, Cho Byung-Jin spent 4 years growing DRAM and flash reminiscence at Hyundai earlier than turning into a star professor on the Nationwide College of Singapore and later at KAIST. Kyung Chong-Min, Kim’s first doctoral candidate, joined KAIST’s school in 1983; by the point he retired in 2018, Kyung had educated extra semiconductor specialists than Kim himself.
Through the third interval, from 2000 on, {industry} seized the helm of semiconductor growth. Academia churned out extra specialists in addition to vital analysis, with minimal contribution from authorities. Alumni of Kim’s lab continued to guide semiconductor engineering, a few of them rising to grow to be high-ranking executives. For instance,
Kwon Oh-Hyun, who acquired his grasp’s diploma from KAIST in 1977, served as CEO at Samsung Electronics for a lot of the 2010s, when the corporate dominated the world market in not solely reminiscence but in addition cellphones, TVs, and residential home equipment.
Different alums performed key roles in semiconductor analysis and growth. Ha Yong-Min at LG Show mastered TFT-LCD and OLED screens for tablets, pocket book computer systems, and cellphones; Park Sung-Kye, typically referred to as the “treasure of Hynix,” developed a lot of the firm’s reminiscence merchandise. In academia, in the meantime, Kim had grow to be a mannequin to emulate. Lots of his trainees adopted his strategies and rules in instructing and mentoring their very own college students to grow to be leaders within the discipline, guaranteeing a gentle provide of extremely expert semiconductor engineers for generations to come back.
Within the spring of 2007, lower than a yr earlier than Kim turned 65—the obligatory retirement age in South Korean academia—KAIST elected him as certainly one of its first distinguished professors, thus extending his tenure for all times. Moreover the Ho-Am Prize, he has garnered quite a few different awards over time, together with the Order of Civil Advantage for “excellent meritorious providers…within the curiosity of bettering residents’ welfare and selling nationwide growth.” And in 2019, he was named a Particular person of Distinguished Service to Science and Know-how, one of many nation’s highest honors.
For younger semiconductor engineers in South Korea at present, Kim Choong-Ki is a legend—the good unsung hero behind their nation’s ascendancy in chip manufacturing. However its dominance on this planet market is now underneath risk. Though South Korea has competed furiously with Taiwan in current a long time, its most formidable challenger sooner or later will possible be China, whose formidable
Made in China 2025 plan prioritizes semiconductor growth. Since 2000, the nation has been a significant importer of South Korean chips. However China’s current heavy funding in semiconductors and the supply of extremely educated Chinese language engineers—together with semiconductor specialists educated in the US, Japan, and South Korea—signifies that Chinese language semiconductor corporations may quickly grow to be main world opponents.
Compounding the issue, the South Korean authorities has uncared for its function in supporting chip growth within the twenty first century. Almost 50 years after Kim started educating its first semiconductor engineers, the {industry} once more faces a major workforce scarcity. Specialists estimate that
several thousand new engineering specialists are needed each year, however the nation produces only some hundred. But regardless of corporations’ pleas for extra employees and universities’ requires insurance policies that advance tutorial schooling and analysis, the federal government has carried out little.
Towards the top of his profession, Kim had grow to be involved with the restrictions of the sort of “engineer’s thoughts” that had taken root in South Korea. “The financial growth of Korea was depending on reverse engineering and following superior nations,” he stated in an interview in 1997. That fast-follower method, he added, relied on an academic system that taught college students “methods to learn maps”—to determine a recognized product purpose and plot a course for attaining it. “And who made the maps? Superior nations.” He thus concluded, “We now have to alter our instructional coverage and educate our college students how to attract maps.”
Kim himself might not have totally realized this formidable imaginative and prescient of cultivating a rustic of creative-minded engineers, able to pioneering actually groundbreaking applied sciences that may safe his nation’s management on the world stage. However hopefully his successors have taken his recommendation to coronary heart. The way forward for South Korea is determined by it.
To learn extra, see “Transfer of ‘Engineer’s Mind’: Kim Choong-Ki and the Semiconductor Industry in South Korea,” Engineering Research 11:2 (2019), 83-108.
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