Patent · US Expired

HDD having both DRAM and flash memory

US7472222B2 · kind B2 · utility

41Cited by
10References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 12, 2004
Grant dateDec 30, 2008
Priority date
Expiry dateSep 12, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02D10/00
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A mobile computing hard disk drive has both a flash memory device and a DRAM device, with the HDD controller managing data storage between disk, DRAM, and flash both when write requests arrive and when the HDD is idle to optimize flash memory device life and system performance.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.