Analysis on the characteristics of stamped base for 2.5 in HDD

Kyoung Su Park, Hyun Chul Lee, Ju Ho Kim, Seokhwan Kim, Junho Seo, Yoonchul Rhim, No Cheol Park

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

In this study, we investigate the dynamic characteristics of a cold-rolled steel-plate (SPCC) stamped base for use with a 2.5-in hard disk drive (HDD). A stamped base offers the advantages of a thinner form and lower manufacturing cost compared to die-cast bases. The feasibility of applying a stamped base to a 2.5-in HDD is investigated by considering the various required characteristics. The manufacturing processes for stamped and die-cast bases are compared, revealing several advantages of stamped bases, including room-temperature processing, minimal contamination, fewer processing steps, and faster processing times. Finite element analysis is used to examine the dynamic and magnetic characteristics of the stamped base. The thin stamped base exhibits limited vertical stiffness, shock performance and magnetic force sensitivity. We observe only a slight difference in the temperature characteristics of stamped and die-cast bases. Additionally, internal air-flow analysis indicates an overall similar air velocity distribution in the stamped base compared to the die-cast base.

Original languageEnglish
Article number6522197
Pages (from-to)2441-2446
Number of pages6
JournalIEEE Transactions on Magnetics
Volume49
Issue number6
DOIs
Publication statusPublished - 2013 Jun 14

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Hard disk storage
Processing
Steel
Air
Velocity distribution
Contamination
Stiffness
Finite element method
Temperature
Costs

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

Park, Kyoung Su ; Lee, Hyun Chul ; Kim, Ju Ho ; Kim, Seokhwan ; Seo, Junho ; Rhim, Yoonchul ; Park, No Cheol. / Analysis on the characteristics of stamped base for 2.5 in HDD. In: IEEE Transactions on Magnetics. 2013 ; Vol. 49, No. 6. pp. 2441-2446.
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Analysis on the characteristics of stamped base for 2.5 in HDD. / Park, Kyoung Su; Lee, Hyun Chul; Kim, Ju Ho; Kim, Seokhwan; Seo, Junho; Rhim, Yoonchul; Park, No Cheol.

In: IEEE Transactions on Magnetics, Vol. 49, No. 6, 6522197, 14.06.2013, p. 2441-2446.

Research output: Contribution to journalArticle

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