The Physical Layer

AI and energy infrastructure, explained plainly.

Companies

Ajinomoto

On the map: Chips and the factories that make them

Named in one piece. Each entry below is that piece's own description of what the company makes, from its exposure map.

  1. The one-maker steps

    ASML makes EUV scanners, ZEISS their optics, Trumpf their lasers. Ajinomoto makes build-up film.

    The chip supply chain's slow parts are sold years before they are made · 14 July 2026

This maps who operates in each layer. It is not a recommendation, and naming a company is not a view on its shares. Personal research, not investment advice.