# \#trench-capacitor **URL:** https://scanalyst.fourmilab.ch/tag/trench-capacitor/5090.md [Latest](https://scanalyst.fourmilab.ch/latest.md) · [Categories](https://scanalyst.fourmilab.ch/categories.md) · [Tags](https://scanalyst.fourmilab.ch/tags.md) --- ## [How Dynamic Random-Access Memory Went Three-Dimensional](https://scanalyst.fourmilab.ch/t/how-dynamic-random-access-memory-went-three-dimensional/4120)
**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\ **Replies:** 0\ **Last updated:** [21 December 2023 13:50 UTC](https://scanalyst.fourmilab.ch/t/how-dynamic-random-access-memory-went-three-dimensional/4120 "2023-12-21T13:50:03Z")
As demand for ever greater capacity semiconductor memory chips grew, first designs were simplified to use just a single transistor and capacitor storage element per bit, and then device geometries were scal…