One reference to early IC packaging is: https://www.computerhistory.org/siliconengine/package-is-the-first-to-accommodate-system-design-considerations/ https://

One reference to early IC packaging is: https://www.computerhistory.org/siliconengine/package-is-the-first-to-accommodate-system-design-considerations/ https://www.computerhistory.org/siliconengine/package-is-the... Note that the Apollo Guidance Computer for the moon flights used flat packs, flip chips, and circular cans.