Taiwan: the chip chokepoint

Taiwan Semiconductor Manufacturing Company reported March revenue of NT$415.19 billion on April 10, up 30.7% from February and 45.2% from a year earlier, which is a reminder that the world is still pouring money into chips made on one island off China’s coast. (pr.tsmc.com) That concentration looks safer on a map than it does in a factory flowchart, because a chip is not “done” when the silicon wafer leaves the fabrication plant. Many chips made in the United States still go back to Asia, especially Taiwan, for the last steps that turn bare silicon into something a server can actually use. (benzinga.com) One of those last steps is advanced packaging, which is the process of wiring several chip pieces together inside one high-performance package, like turning separate engine parts into a finished car. Taiwan Semiconductor Manufacturing Company is the volume leader in that stage, and CNBC reported this week that demand for its most advanced packaging is growing at an 80% compound annual rate. (cnbc.com) Nvidia has reserved most of Taiwan Semiconductor Manufacturing Company’s top packaging capacity, according to CNBC, which means the bottleneck is no longer just who can etch the smallest circuits. It is also who can finish the chip fast enough for artificial-intelligence servers that need huge numbers of processors linked together. (cnbc.com) That is why Taiwan’s grip is spreading beyond manufacturing into the supplier lists behind manufacturing. DigiTimes reported on April 9 that Taiwan Semiconductor Manufacturing Company’s supplier verification system is being treated as a model by Samsung Electronics, Intel, Japan’s Rapidus, and China’s Semiconductor Manufacturing International Corporation, because buying from a Taiwan-certified supplier now signals that the tools and materials are proven at scale. (digitimes.com) In plain English, rivals are copying not just Taiwan Semiconductor Manufacturing Company’s factories but its plumbing. When competitors want the same chemicals, parts, inspection tools, and service firms that keep Taiwan’s lines running, Taiwan becomes the reference point even in places trying to reduce dependence on Taiwan. (digitimes.com) China is responding by trying to build more of that plumbing at home. DigiTimes reported on April 9 that Beijing is accelerating localization of semiconductor manufacturing equipment under pressure from United States export controls and from its own push to expand artificial-intelligence capacity. (digitimes.com) That shift is already changing trade patterns around Taiwan. The same DigiTimes report said South Korean equipment makers that once looked to China for growth are now eyeing Taiwan as Chinese orders soften, which means Taiwan is pulling in even more of the region’s chip-tool business at the same moment governments say they want more diversification. (digitimes.com) The United States has spent heavily to bring fabrication home, but fabrication without packaging is like building jet engines without a hangar to assemble the plane. Benzinga reported this week that even chips produced in America are still being shipped to Taiwan for advanced packaging and final assembly, leaving a long supply chain exposed to any disruption in the Taiwan Strait. (benzinga.com) So the March revenue number is not just a sales update. It is a measure of how much of the artificial-intelligence boom still runs through Taiwan’s factories, Taiwan’s packaging lines, and even Taiwan’s approved vendor lists, despite every speech in Washington, Beijing, Seoul, and Tokyo about building alternatives. (pr.tsmc.com) (digitimes.com)