Four engineers, a dental-office basement and a memory empire: the story of Micron

One of the world’s largest memory manufacturers started in an unusually modest place: the basement of a dental office in Boise, Idaho.

Micron Technology was founded on 5 October 1978 as a four-person semiconductor design company. Its first contract involved designing a 64Kb memory chip for Mostek. Instead of remaining a design house, Micron quickly moved towards manufacturing its own memory.

That choice turned Boise into the centre of a semiconductor company whose products would later appear in PCs, phones, graphics cards, data centres, SSDs and AI systems.

The first fab turned a design team into a manufacturer

Micron broke ground on its first fabrication plant in Boise in 1980. The following year it shipped its first 64Kb DRAM manufactured in that facility.

Micron’s engineers focused heavily on making memory cells smaller and more efficient. Its early designs earned attention for achieving unusually compact die sizes, an advantage that can improve the number of usable chips produced from each wafer.

PC growth gave DRAM a huge new market

The rise of mass-produced personal computers created growing demand for dynamic random-access memory.

Micron’s early 64Kb DRAM was used in systems including the Commodore 64. As PC memory requirements increased, the company followed the industry into larger capacities and more advanced manufacturing processes.

Memory is a cyclical industry, however. Prices can change dramatically as supply and demand move out of balance, forcing manufacturers to combine technical progress with strict cost control.

Micron scaled through both invention and acquisition

Organic process development was only one part of Micron’s expansion.

The company acquired Elpida Memory and Rexchip in 2013, strengthening its DRAM manufacturing footprint and mobile-memory position. In 2016 it acquired the remaining interest in Inotera Memories.

Those transactions increased scale in an industry where fabrication plants require enormous investment and where only a small group of global manufacturers remains.

NAND pushed Micron beyond volatile memory

DRAM loses its contents when power is removed. NAND flash retains data, making it suitable for storage.

Micron expanded into NAND and SSD products, including periods of technology collaboration with Intel. The company later developed its own NAND roadmaps and controller technologies for consumer, enterprise and embedded storage.

This broadened Micron from a DRAM specialist into a company spanning memory and storage.

Graphics memory connected Micron to high-performance computing

Graphics processors need enormous memory bandwidth. Micron developed successive GDDR generations for graphics cards and computing accelerators.

Its 2016 introduction of GDDR5X pushed graphics memory data rates beyond earlier GDDR5 products and showed how specialised memory could become as important as capacity.

HBM made memory central to the AI race

High Bandwidth Memory changed the relationship between processors and memory again.

HBM stacks multiple memory dies and places them close to accelerators through advanced packaging. This provides far more bandwidth than conventional memory interfaces can deliver within the same power envelope.

The rapid expansion of AI accelerators turned HBM into one of the most strategically important memory categories. Micron consequently moved deeper into a market where memory design, packaging and manufacturing capability directly affect AI-system performance.

Boise remained important even as Micron became global

Micron expanded manufacturing and research across the United States and Asia, but Boise remained its corporate home.

The company has continued investing in US memory manufacturing and research as governments place greater emphasis on domestic semiconductor supply chains.

A company built around one fundamental resource

Processors receive much of the attention in computing, but every workload also depends on moving and storing data.

Micron’s history shows how that requirement evolved from kilobit DRAM for early computers to multi-gigabyte memory, NAND storage and HBM for AI accelerators.

As of 18 September 2026, Micron is led by chairman and chief executive Sanjay Mehrotra and remains focused on memory and storage rather than trying to become a general-purpose processor company.

That makes this history a useful backlink foundation for future TechnologyBlog.co.za coverage of DRAM, NAND, SSDs, graphics memory and AI-focused HBM.

Sources reviewed include Micron’s official company history, company timeline and leadership pages. Facts are current to 18 September 2026.