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That success could be traced partly to Kim, now an emeritus professor at KAIST. Of common top, with grey hair since his mid-30s, he was the primary professor in South Korea to systematically train semiconductor engineering. From 1975, when the nation had barely begun producing its first transistors, to 2008, when he retired from instructing, Kim skilled greater than 100 college students, successfully creating the primary two generations of South Korean semiconductor specialists.
Kim and his former college students and their households rejoice his sixtieth birthday on the summit of South Korea’s Mount Deokyu.Chang Hae-Ja
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 right this moment, Kim stays largely unknown exterior of South Korea’s chip neighborhood. Who, then, is that this inconspicuous semiconductor “Mafia” boss?
Table of Contents
A Begin in Digital camera Chips
Kim Choong-Ki was born in Seoul in 1942, when Korea was a colony of the Japanese Empire. His mom taught elementary college; 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 each day tour of the manufacturing unit,” the youthful Kim remembers. “He informed me that he might detect which machines had been in bother and why, simply by listening to them.” Such classes planted the seed of an ethos that might 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 pupil: bookish, obedient, and silent. Though his household pressed him to affix his father within the textile {industry}, he as an alternative 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 below
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.
Kim, proven on the Columbia campus, studied for his Ph.D. on the college below Edward S. Yang, a specialist in transistor idea. Chang Hae-Ja
Kim’s mom and father, a famend Korean textile engineer, go to him in Palo Alto, Calif., in 1972.Chang Hae-Ja
Since World Struggle 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 gadget.
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’d later win a Nobel Prize. But it surely was Kim and his colleagues at Fairchild who realized the primary CCD units that advanced into business merchandise extensively utilized in digital images, radiography, and astronomy. Kim grew to become so proficient in CCD expertise that different engineers on the firm frequently dropped by his workplace on the finish of the day to select his mind. “Quickly they started to name me Professor CCD,” he remembers.
Kim’s colleagues at Fairchild Semiconductor’s analysis and growth laboratories known as him “Professor CCD.”Chang Hae-Ja
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 benefit of use and the top quality of picture copy.” “Fairchild’s—or higher name them Choong-Ki’s—CCDs made doable the broad 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 expertise. His education in South Korea and at Columbia had primarily emphasised ebook 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 studies and memos that he discovered on the firm library, a few of which he later delivered to KAIST and used as instructing materials.
At Fairchild, Kim additionally realized talk with and lead different engineers. When he began there, he was soft-spoken and introverted, however his mentors at Fairchild inspired him to specific himself confidently and clearly. Later, the transformed Kim would change into the “loudest-speaking” professor at KAIST, in line with a number of fellow school members, and so they say his absence made the entire campus appear quiet.
Kim rose rapidly 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 accountability to take care of his widowed mom. Racial discrimination he skilled at Fairchild had additionally damage his pleasure. Most necessary, nonetheless, he had discovered a super place to work again dwelling.
Then known as KAIS (the “T” was added in 1981), Kim’s new employer was the primary science and expertise college in South Korea and stays one of the crucial prestigious. The South Korean authorities had established the institute in 1971 with financing from the US Company for Worldwide Growth and had invited
Frederick E. Terman, the legendary dean of Stanford College’s college of engineering and a “father” of Silicon Valley, to attract up the blueprint for its course. Terman burdened that KAIS ought to goal to “fulfill the wants of Korean {industry} and Korean industrial institutions for extremely skilled and progressive specialists, quite 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.”
South Korea’s Founding Lab
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 cause 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 firms 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 equivalent to CMOS watch chips, largely as a result of a scarcity of semiconductor specialists. For 20 years, till the mid-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 ready academics and correct services, together with clear rooms for assembling high-quality chips.
But it surely 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 components idea and software at first puzzled his college students, who regarded engineering as mainly a scholarly self-discipline. Though they had been proficient in arithmetic and nicely 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 use their fingers. Earlier than they launched into their very own tasks, he put them to work cleansing the lab, repairing and upgrading tools, and monitoring down vital components. On this approach, they realized clear up issues for themselves and improvise in conditions for which no textbook had ready them. Their view of what it means to be an engineer modified profoundly and completely. A lot of them confess they nonetheless repeat Kim’s dicta to at the present time. For instance: “Don’t select the topics that others have already thrown into the trash can.” And: “Scientists take into account
why first, however we engineers should suppose how first.” And: “Unsuitable resolution is best than gradual resolution.”
Kim’s former college students keep in mind him as form, humorous, nonauthoritarian, meticulous, and hardworking. However additionally they say he was strict and might 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 every of his greatest grievances was when college students did not correctly steadiness idea and observe. “Make it your self; then we’ll 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 exhausting 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 via his openness. He cooperated with and even shared laboratory area with different KAIST professors, and he appreciated to go to different departments and universities to present seminars or just to achieve new concepts and views—habits that was, and nonetheless is, very uncommon in South Korean educational 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 expertise, recounts searching for out Kim’s tutelage when Chin was a graduate pupil at Seoul Nationwide College within the mid-Seventies. “There was an intense spirit of competitors” between SNU and KAIST, remembers Chin, whose alma matter labeled him a “drawback pupil” 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 below his directorship. His in style 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 Nineties. Kim’s shut partnership with these firms 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 pupil Kyung Chong-Min. And the semiconductor {industry}, in flip, benefited from the ever extra extremely skilled workforce rising from Kim’s orbit.
Kim [front row, orange tie] additionally served as director of Korea’s Heart for Electro-Optics, a government-sponsored analysis institute shaped to develop applied sciences for thermal imaging, fiber optics, and lasers.Chang Hae-Ja
The Evolution of South Korea’s Semiconductor Business
Chung Jin-Yong [right], a former pupil of Kim [left], graduated from KAIST in 1976 and later developed DRAM for Hynix.Chang Hae-Ja
Kim’s lab at KAIST advanced in parallel with the expansion of the semiconductor sector in South Korea, which could be divided into three intervals. 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 firms and universities to pay extra consideration to semiconductor expertise. Samsung and different electronics firms 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 satisfy 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 international 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 check at KAIST in 1976. Lim would go on to guide the event of assorted reminiscence units at Samsung, most significantly NAND flash reminiscence within the Nineties.
The second interval began in 1983, when Samsung declared that it might pursue semiconductors aggressively, beginning with DRAM. The transfer drove rival conglomerates equivalent to Hyundai and GoldStar to do likewise. In consequence, the South Korean chip {industry} quickly expanded. KAIST and different universities offered the required manpower, and the federal government diminished its position. In Kim’s lab, college students started to discover rising applied sciences—together with polysilicon thin-film transistors (for LCD panels), infrared sensors (for army use), and speedy thermal processing (which elevated effectivity and diminished prices of semiconductor manufacturing)—and revealed their leads to prestigious worldwide journals.
KAIST engineering professors Kim [center, gray robe] and Kwon Younger-Se [right, blue hood] pose with grasp’s graduates in 1982. Chang Hae-Ja
Kim’s former grasp’s pupil, Kwon Oh-Hyun, rose to change into vice chairman and CEO of Samsung Electronics. Saul Loeb/AFP/Getty Pictures
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, an increasing number of of Kim’s former college students accepted college professorships. After leaving Kim’s lab in 1991, as an illustration, Cho Byung-Jin spent 4 years creating DRAM and flash reminiscence at Hyundai earlier than changing 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 skilled 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 important analysis, with minimal contribution from authorities. Alumni of Kim’s lab continued to guide semiconductor engineering, a few of them rising to change into high-ranking executives. For instance,
Kwon Oh-Hyun, who obtained 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 known as the “treasure of Hynix,” developed a lot of the firm’s reminiscence merchandise. In academia, in the meantime, Kim had change into a mannequin to emulate. A lot of his trainees adopted his strategies and ideas in instructing and mentoring their very own college students to change into leaders within the area, making certain 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 through the years, 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 Individual of Distinguished Service to Science and Know-how, one of many nation’s highest honors.
Legend and Legacy
For younger semiconductor engineers in South Korea right this moment, Kim Choong-Ki is a legend—the nice unsung hero behind their nation’s ascendancy in chip manufacturing. However its dominance on the planet market is now below menace. Though South Korea has competed furiously with Taiwan in current a long time, its most formidable challenger sooner or later will doubtless be China, whose formidable
Made in China 2025 plan prioritizes semiconductor growth. Since 2000, the nation has been a serious 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 skilled in the US, Japan, and South Korea—implies that Chinese language semiconductor firms might quickly change into main international opponents.
Compounding the issue, the South Korean authorities has uncared for its position 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. Consultants estimate that
several thousand new engineering specialists are needed each year, however the nation produces only some hundred. But regardless of firms’ pleas for extra staff and universities’ requires insurance policies that advance educational training and analysis, the federal government has completed little.
Towards the top of his profession, Kim had change into involved with the restrictions of the form 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 “ learn maps”—to determine a recognized product aim and plot a course for attaining it. “And who made the maps? Superior nations.” He thus concluded, “We now have to vary our instructional coverage and train 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 which 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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