Thermally conductive spindle support shaft

Thermally conductive spindle support shaft

  • CN 1,183,266 C
  • Filed: 02/25/1999
  • Issued: 01/05/2005
  • Est. Priority Date: 02/26/1998
  • Status: Active Grant
First Claim
Patent Images

1. the spindle drive motor back shaft of a heat conduction is characterized in that comprising:

  • The metal-matrix composite that aluminium (Al) and silicon carbide (SiC) constitute, silicon carbide accounts for 53% to 63% of volume, and the aforementioned proportion of silicon carbide and aluminium makes its thermal expansivity be substantially equal to 9.5*10 -6M/m/ ℃

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