The Insane Complexity Of The Semiconductor Global Supply Chain
read summary →TITLE: Gj5liYnpTeM CHANNEL: Unknown DATE: ---TRANSCRIPT--- On the outskirts of the city of Tai Chong, just across the road from some rice farms, sits one of the most important buildings in the world, Micron’s 30,000 square meter DRAM mega campus. Within this facility are billions of dollars worth of cuttingedge lithography machines working 24/7 to produce the memory modules that in turn go into military equipment, network infrastructure, and most lucratively enterprise GPUs to power data centers. Micron also used to manufacture memory for home computers, but they don’t do that anymore. There is not much that hasn’t already been said about AI data centers, the chips that power them, the companies that manufacture those chips, and the machines they rely on to do it. But all of this is really only scratching the surface of what is very likely to be the most complicated supply chain in the world. The chips that come out of this particular fab are not even a fully finished product yet. But even here, they’re the result of over 6,000 individual suppliers from over 40 countries, making the machines that make the machines that make the machines that power the world’s most advanced technologies. This is a supply chain that’s simultaneously far more robust than you’ve probably been told, but also full of far more bottlenecks, which I know sounds like an oxymoron, but I promise it will make sense. Yes, TSMC is largely irreplaceable when it comes to advanced chip production, and only ASML can build the $400 million lithography machines they use to do it. But even with this highly simplified web of suppliers, there are dozens of other companies where only they can do what they do. And probably the best way to see that is to follow the supply chains all the way from their raw elemental components and explore how the industry’s current production boom is making your toilet more expensive. All of those chips start in a place like this. The only machines in the world capable of printing nanoscopic blueprints. Hey, this is national security. I need to make it in America. We don’t want China to win the AI race. There’s a revolutionary machine that the whole world has come to rely on. Black Blackwell is in production. Incredible amounts of technology. In a small factory on the southern Japanese island of Kyushu, one of the most important tools in this entire process gets pressed into shape. A ceramics manufacturer takes ultra pure aluminium oxide alongside a proprietary blend of other classified materials and presses them into one of the most uniform ceramic plates that anyone on Earth currently knows how to make. The exact process is kept very deliberately secret for obvious reasons, but we know the basics from a US design patent that the company filed back in 2008 and from public engineering papers that have come out since. The defining feature of this material is that it barely expands when it’s heated. And it’s also diamagnetic, which are some of the very technical specifications that allow it to serve one specific purpose. You’ve probably seen videos before of computer chips being manufactured where a polished silicon wafer is being thrown back and forth in a sealed chamber hundreds of times a minute as different processes get applied to it. Well, it turns out that actually holding that sheet of silicon in place during all of this is its own engineering nightmare. You can’t clamp it because atomic scales, mechanical clamps would warp the wafer. You can’t glue it down because the chemicals required to dissolve that adhesive afterwards would destroy the chips. And whatever does hold it in place also has to survive massive swings in temperature, pressure, and force without imparting a single bit of stress onto the delicate silicon wafer itself. It’s a brutal engineering problem, and these ceramic plates are pretty much the only thing on the planet that can really solve it. They use electrostatic forces to keep the wafer in place, and their atomically uniform surface means that the force of being thrown back and forth during production is spread evenly across the entire piece of silicon. Within each ceramic chuck, there are also perfectly machined channels for flowing liquid helium through, so the silicon stays cool even when it’s pushed into a plasma etching chamber where it’ll be exposed to extreme temperatures in the other direction. Again, the specifics are highly classified and even if they weren’t, there would be far more qualified people on the internet to explain it. But the point is that even at the first step of this tech tree, the tools are hyper specialized to a point where only a single company has been able to stay at the cutting edge. These chucks might only be the size of a dinner plate, but they can cost six figures each before you’ve even included any of the multi-million dollar machinery that they plug into. The current world leader in producing this component and the patent holder for this exact style of chuck is the Japanese company Toto, which is a business that didn’t start out as a high-tech semiconductor supplier. Their expertise in ultra pure ceramics actually comes from their core business, which up until very recently was producing the world’s finest toilets and still is. Although their priorities have visibly shifted in the last few years as data center customers have started outbidding the hospitality industry for the company’s best ceramicists. Toto is also not the only unexpected company holding a bottleneck on this incredibly important global industry. It’s not even the only one based in Japan. Ainom is a Japanese company most famous for introducing the world to monodium glutamate or MSG. They’ve also used their organic chemistry expertise to produce ABF, a thin insulating film that sits underneath almost every advanced computer chip on Earth. ABF is short for agenom buildup film, and it has a very specific combination of properties that nobody’s been able to credibly match. It’s a stable dialectric. It can be patented at very fine pitches, and it’s extremely receptive to copper plating. The substrate underneath your CPU or GPU is essentially layers of ABF with copper traces patented into them. And as chip designs have gotten more complex, the number of layers has crept up from four to five to well over a dozen on a modern AI accelerator. Those substrates themselves are then assembled by a different small group of companies, mostly Ebiden and Uni Micron, which take the ABF film, sandwich it with copper, drill thousands of microscopic v through it, and turn it into the green PCB looking square that the actual silicon die gets solded onto. So the next time your unemployed ass is enjoying some cup ramen, just remember that the same company bringing you that concentrated sodium goodness is also keeping the modern world from literally shortcircuiting. So far, that is two companies with an effective monopoly on their own particular branch of this incredibly tall supply chain. And the reason they exist is simple practical economics that make strange things like this almost an inevitability. This video is sponsored by GenSpark. Pal just wrapped up his final press conference last month. And like many of you watching, I wanted to know what a surprise rate hike would actually mean for my portfolio before markets opened. 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None of it tries to replace how you work. It just handles the parts that slow you down. That’s why you’ve got to check out GenSpark. Every new user gets free credits just by signing up. So, I’ll leave a link in the description below. Okay, so inside the chip fabrication facilities themselves, the lithography machines tend to get all the attention. And there’s one company in particular that’s become the center of global attention here. ASML. ASML is a Dutch company that was originally spun out of a 1984 joint venture with Philips and today they make the machines that basically laser print chip designs onto silicon wafers. ASML itself has over 5,000 individual suppliers feeding into a single machine. There are trump lasers from Germany, Zeiss optics polished to a smoothness measured in single atoms, industrial power supplies that have to be more stable than the ones running a hospital, and vacuum pumps that operate by knocking individual atoms out of the system one at a time. Each and every one of these examples is again producing components with no viable alternative. The most advanced machines are physically so large that ASML has to ship them in pieces using three Boeing 747s, plus a small army of engineers who travel along with them and spend weeks reassembling the thing on the factory floor before it can be plugged in. As much as possible, all these suppliers are European or North American because of the geopolitical concerns around this technology. But some pieces of this sub supply chain like the rare earth magnets in optical assemblies really can’t avoid China entirely. Now you might have heard that ASML is the only company on Earth that can produce these photoiththography machines which is not strictly true. Both Nikon and Canon yes the camera makers also produce lithography machines for semiconductors. The reason ASML is distinct is because it is so far the only company on the planet that can build the twin scan NXE3800E in particular, which is currently the only machine capable of cuttingedge singledigit nanometer resolutions. To get there, the inside of one of these machines has to fire a high-powered carbon dioxide laser at a falling droplet of molten tin 50,000 times a second, vaporizing each droplet into a plasma at around 220,000° centigrade. And the resulting flash of extreme ultraviolet light is then bounced off a stack of Zeiss SMT mirrors to project a chip pattern onto the wafer below. Each one of these mirrors is the smoothest manufactured surface in the world. According to their own manufacturer, if you scaled them up to the size of Germany, the largest bump on the surface would still be smaller than a millimeter tall. The Canon and Nikon models are at best a generation behind on resolution, but that actually doesn’t matter all that much. Yes, high-end chips on the bleeding edge are a massive market and one that gets the most financial and geopolitical attention. But most of the chips being produced today are not going into AI data centers or fighter jets to toasters, Wi-Fi routters, hospital monitors, washing machines, and your latest vaccine. These mass market chips are perfectly happy to use those slightly older Canon and Nickon machines alongside the more basic models that ASML still builds themselves at the bottom of their own product range. ASML is also one of the only companies in the world that the American government has put export controls on despite not actually being American. So for any customer that doesn’t strictly need the bleeding edge, it’s often a lot easier to just buy a more basic machine from another lithography manufacturer and skip the diplomatic paperwork entirely. Even you, if you were so inclined, could purchase one of these more basic lithography machines, and they are surprisingly affordable. This one from this uh very respectable looking website is barely more than a fully loaded modern pickup truck. Now, lithography is important and it does grab a lot of attention, but it’s far from the only worldclass tool inside one of these facilities with no other global alternatives. Despite the fact that you’ve probably never heard of it, Applied Materials is currently the 40th most valuable company on the planet because they make a huge chunk of the other machines needed to actually build a microprocessor. We are talking about deposition tools that lay down layers of metal and insulation one atom at a time. Iron implanters that put the semi in semiconductors, chemical mechanical polishers that flatten everything back down between layers, and metrology tools that constantly check whether any of the previous steps did what they were supposed to do. None of these get anywhere near the press coverage of an ASML EUV scanner. But without a fab full of them, even a TwinCan NX 3800E is just a very expensive laser pointer. And Applied Materials doesn’t sit alone in this tier either. Lamb Research is another American company that completely dominates plasma etching, the step where patterns drawn by the lithography machine get carved into the actual silicon. KLA, also American, makes most of the world’s wafer inspection and process control equipment. Essentially, the very expensive microscopes and metrology systems that tell the fab whether the chips being produced are actually any good before too many of them get scrapped. And Tokyo Electron, usually just called Teel, is a Japanese company that quietly holds near monopolies on the Kota developer track tools that handle every wafer before and after lithography, as well as on a long list of thermal processing and cleaning steps that nobody outside of Fab Engineering really thinks about. Between ASML, Applied Materials, Lamb Research, KLA, and Tokyo Electron, you have the so-called big five of semiconductor equipment. And they collectively account for the overwhelming majority of every dollar spent inside a leading edge fab with each one of them being the undisputed world leader in their particular place on the production line. Although only one of them ever really gets that much attention. And partially that low profile is by design. Applied Materials, Lamb, and KLA are all American, so they’re naturally less in the geopolitical news than the more exposed Dutch ASML, and there’s a good chance that most regulators have also never heard of them, making it much less likely for them to interfere in their operations. Any country that wanted to be fully independent of the globalized chip supply chain would need to replicate all five of these businesses, plus their thousands of individual suppliers, which would take decades to do, if it were even possible at all. A common characteristic is that a lot of these companies had been honing their industrial processes since before modern silicon semiconductors even existed. Starting from fundamentals again would involve a lot more than just reverse engineering some machinery. Now the best of all these machines all eventually flow into just four companies. Samsung, Global Foundaries, Intel and above all TSMC. With the exception of Intel, these companies do not design any of the chips themselves. They just take the designs sent by their clients and manufacture them on their behalf. Now, this would be a little bit like Ford designing the new Focus and then subcontracting out the entire manufacturing to a completely separate business that also happens to be building the new Toyota Corolla on the same factory floor for a direct competitor. It is a bit unusual, but the technical skill set required to operate this kind of facility is so concentrated and the equipment so eyewateringly expensive that figuring out how to do that in-house just doesn’t make any sense for any chip designer that needs to ship new technology this decade. This has of course caused further geopolitical concern because TSMC is by far the largest of these four manufacturers currently responsible for somewhere north of 90% of the world’s leading edge chip production. And the T in that name stands for Taiwan which sits squarely in the crosshairs of the People’s Republic of China and could potentially disrupt this very delicate supply chain if and when a conflict ever broke out. It would be a bit like the straight of Hormuz, but if 80% of the world’s oil flowed through there instead of just 20%. And that oil was made of glass. And we’d built the world’s most concentrated pool of investment in history based on that glass. TSMC has under pressure from the US tried to mitigate this risk by building new fabs in Arizona and Japan. But the most advanced node is still made almost exclusively in Shinchu and Tynan. And the company has openly admitted that its overseas facilities are running a generation or two behind for now with the Arizona ramp up in particular having faced repeated delays and cost overruns. This is not because they don’t have access to all the best tools from the big five. It’s because even with access to these machines, actually producing anything useful with them still requires decades of soft skills that have been notoriously hard to transfer. Now, before even the best of these foundaries can do anything, they need the raw material itself. Bare 300 mm silicon wafers, the round mirror polish discs that every chip in the world starts its life on, are themselves, well, you wouldn’t believe it, made by an extremely concentrated group of suppliers. Two Japanese companies, Shinetsu Chemical and Sumo, between them account for somewhere around half the entire global wafer market with smaller shares held by Global Wafers in Taiwan and Silronic in Germany. The process starts with high purity quartz sand which gets refined into electronic grade polysilicon. A material so pure the contamination is measured in parts per billion which then gets melted and pulled into a single crystal ingot using the Trrowski process which then gets sliced, lapped and polished into the actual wafers. Each of these steps is its own art form. And a meaningful disruption at any one of them ripples through every single fab on the planet, which is exactly what happened in 2021 when a fire at one of Shinu’s suppliers contributed to a global semiconductor shortage that ended up sitting halffinish cars on dealership lots for almost 2 years. just as important to the system as Logic Foundaries are to the memory manufacturers. DSMC, Global Foundaries, and Intel really only focus on logic chips, but computer memory is manufactured using a similar, though not identical, set of machines, and has very clearly become just as important to global business. Without DRAM and increasingly without the stacks of high bandwidth memory that get packaged directly next to a GPU, even the most advanced logic chip would effectively be useless cuz it would simply have nothing to read from or write to fast enough to matter. Samsung is the single company in the world that does both logic and memory alongside SKH Highix and Micron which are the world’s leading dedicated memory manufacturers and collectively supply more or less 100% of the chips going into any business worth mentioning in the space. SKH Highix in particular has become the sole qualified supplier of the most advanced HBM3e memory stacks that Nvidia bolts onto its top-end accelerators, which is a fun position to be in until you realize that the entire AI data center boom is currently sitting on top of a memory chip designed in Inchon and packaged with bonding wire processes that almost nobody outside of South Korea actually knows how to do at volume. And the bottleneck doesn’t stop at the memory itself. To actually attach those HBM stacks to a GPU die, manufacturers use a process called co-wash, chip on wafer on substrate and co-wash capacity. In 2025 was almost entirely owned by a single facility inside TSMC, which means that for a stretch of about 18 months, the global supply of Frontier AI accelerators was effectively rate limited by how fast a single packaging line in Taiwan could move. Nvidia could design as many chips as it wanted and SKH Highix could manufacture as much memory as it wanted. But if TSMC’s packaging capacity didn’t expand, those parts simply could not be combined into a finished product. Now, as a special mention, if you thought we were done with the bottlenecks, Nvidia, Apple, AMD, Broadcom, and Qualcomm do not manufacture any of their own chips. They only design them. But they also don’t design what they design with. Just drawing the blueprint for a modern chip requires highly specialized software that can simultaneously model out tens of billions of individual transistors while also calculating how those transistors will perform at a scale where quantum uncertainty actually starts to matter as a real engineering input rather than a theoretical curiosity. There are again only two companies on Earth that produce this software competitively. cadence and synopsis. Together, they sit at the very top of a software stack that the entire semiconductor industry uses to verify whether a design will even work before it gets sent off to a fab. Now, as someone who personally likes to complain about paying my Adobe subscription every year for a product that I used to be able to buy just once, these companies take software licensing to a level that I think most people would find genuinely unhinged. an annual subscription to use their tools can cost over half a million dollars US per year per seat, which means that a relatively small team of 10 engineers will run one of these companies several million dollars a year just on the software. And they pay it because there really is no replacement. If a chip designer tried to migrate to anything else, they would effectively be rebuilding their entire design pipeline from scratch on tools that haven’t even been used in production by anyone they actually trust. And just to make this picture slightly clearer, both Cadence and Synopsis are American companies, which means that the US government can and has added their software to its export control list. Now again, this has been a very narrow look at a very narrow selection of the companies that this whole process relies on. We have barely touched on the photoresist chemistry coming out of JSR and Tokyo Oka, the specialty gases from Air Liquid and Lind, the mask blanks from Hoya, the bonding wire from Tanaka, or the dozens of subsystem suppliers buried two and three levels down inside the bill of materials for a single EUV scanner. It’s an industry that has encouraged and required hyper specialization into techniques sitting at the cutting edge of what’s currently scientifically possible. And that means there’s a lot of single points of failure scattered along the way, but also a lot of companies that have become very, very good at working together because there really is nowhere else for any of them to go. Sure, a lot of these companies may be the only supplier in their market, but the companies they sell to are also the only buyers. So, their monopoly power is somewhat offset by the monopsin power on the other side. And for as long as that remains true, every new AI data center coming online is going to keep bidding up the price of ultra pure aluminium oxide, MSG grade organic chemistry, Zeiss grade optical glass, Korean memory packaging expertise, Taiwanese substrate assembly capacity, and for that matter, the world’s finest Japanese toilets. But if you think all this sounds a little bit unsustainable, it’s got nothing on global ship building. Go and watch this video next to find out why only three countries still build the most important tools in the modern global economy.