ASML is the sole supplier of lithographic equipment capable of tracing patterns at extraordinarily tiny dimensions. Its products are used by all the major chip-manufacturing companies worldwide. Photograph: Yuichi Yamazaki You’ve probably never heard of this technology company. But without it, the worldwide technology industry would revert by at least a couple of decades. No other company anywhere can do what it does. We can perhaps imagine a world without Google or Amazon or Apple or Microsoft – after all, there are alternatives to each. But we would not have a tech industry at all today without ASML (Advanced Semiconductor...