Artifact Details

Title

Invention, development and commercialization of GMR Heads oral history panel

Catalog Number

102781311

Type

Text

Date

2019-05-30

Contributor

Bajorek, Christopher, Interviewer
Dieny, Bernard, Interviewee
Gurney, Bruce, Interviewee
Pinarbasi, Mustafa, Interviewee
Speriosu, Virgil, Interviewee

Publisher

Computer History Museum

Place of Publication

Mountain View, CA

Extent

51 p.

Format

PDF

Description

This oral history records the contributions of Drs. Dieny, Gurney, Pinarbasi and Speriosu to the invention, development and commercialization of the magnetic recording head based on the giant magnetoresistance (GMR) phenomenon discovered by Fert and Grunberg. The invention of the GMR head is especially noteworthy because it enabled the second generation of magnetoresitive heads which were used to read data in hard disk drives between 1997 and 2006. Starting in 2005 key GMR head-related innovations enabled the commercialization of the tunneling magnetic junction devices used in tunnel magnetoresistive (TMR) heads and magnetic random-access memories (MRAM). All modern disk drives and tape drives use TMR heads to read data.

Category

Transcription

Subject

Magnetic storage; Hard disk drives; Giant Magnetoresistance (GMR); Giant Magnetoresistive Heads; Exchange anisotropy; Exchange biasing; Antiferromagnetic Pinning (AFM pinning); Magnietic pinned films; Magnetic free films; Synthetic Antiferromagnets (SAF); Antiparallel pinning; IBM; Ion beam sputtering; Spin electronics; Magneto-Transport

Collection Title

CHM Oral History Collection

Credit

Computer History Museum

Lot Number

X9044.2019