Patents by Inventor Eng Teo Ong

Eng Teo Ong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Hard disk drive spindle motor including a base and a base insert formed from different materials
    Patent number: 9472234
    Abstract: An axial field motor and a method of assembling the motor are provided. The hard disk drive includes a spindle motor having a fluid dynamic bearing (FDB) motor hub, a hard disk drive housing and a base insert. The hard disk drive housing houses the spindle motor therewithin and has an upper housing and a base, the base including a first material. The base insert has ferromagnetic properties, includes a second material and has a flat circular bottom portion and an outer circumferential vertical portion. The flat circular bottom portion of the base insert is located between the FDB motor hub and the base to enhance yield strength therebetween and a bottom portion of the FDB motor hub is surrounded by the outer circumferential vertical portion of the base insert to generate preload for the FDB motor hub.
    Type: Grant
    Filed: October 14, 2013
    Date of Patent: October 18, 2016
    Assignee: Marvell International Ltd.
    Inventors: Chiew Leong Wong, Ke Gan, Stephen Ralph Viskochil, Eng Teo Ong, Mengjun Liu, Ming Chou Lin, Wuzhong Lin
  • AXIAL FIELD MOTOR AND METHOD OF ASSEMBLING
    Publication number: 20150228301
    Abstract: An axial field motor and a method of assembling the motor are provided. The hard disk drive includes a spindle motor having a fluid dynamic bearing (FDB) motor hub, a hard disk drive housing and a base insert. The hard disk drive housing houses the spindle motor therewithin and has an upper housing and a base, the base including a first material. The base insert has ferromagnetic properties, includes a second material and has a flat circular bottom portion and an outer circumferential vertical portion. The flat circular bottom portion of the base insert is located between the FDB motor hub and the base to enhance yield strength therebetween and a bottom portion of the FDB motor hub is surrounded by the outer circumferential vertical portion of the base insert to generate preload for the FDB motor hub.
    Type: Application
    Filed: October 14, 2013
    Publication date: August 13, 2015
    Applicant: MARVEL INTERNATIONAL LTD.
    Inventors: Chiew Leong Wong, Ke Gan, Stephen Ralph Viskochil, Eng Teo Ong, Mengjun Liu, Ming Chou Lin, Wuzhong Lin