MOSFET / MOS Transistor

MOSFET / MOS transistor is the semiconductor device route discussed in 真正改变世界的技术，为什么一开始都不被看好？| S10E16. The source says Muhammad Atalla and Dawon Kahng / 姜大元 developed the technology at Bell Labs, but it was not initially favored because it was less stable and slower than [[BipolarJunctionTransistor|BJT]] devices.

The source’s central interpretation is that MOS later became important because its weaknesses were not the whole story. Lower cost, simpler structure, and better fit with integration became decisive as companies such as Fairchild Semiconductor and Intel improved stability and as Moore’s Law made density and scale more important.

Key Claims

• MOS was initially unattractive by the incumbent speed and stability metrics.
• Its structural simplicity and integration fit made it a stronger long-run candidate as chips became denser.
• The MOS story is the episode’s clearest semiconductor example of Disruptive Innovation.

Connections

• Muhammad Atalla, Dawon Kahng / 姜大元, and Bell Labs - origin branch named in the source.
• Bipolar Junction Transistor and AT&T - incumbent device and use-case comparison.
• Fairchild Semiconductor, Intel, Moore’s Law, and Semiconductor Supply Chain - later scaling and commercialization branch.