公开(公告)号：US20200243118A1

公开(公告)日：2020-07-30

申请号：US16262602

申请日：2019-01-30

Applicant: Seagate Technology LLC

Inventor： Ivy Ng ,  Teck Hoon Chua ,  S Selvaruban ,  Sok Li Goh ,  Chee Kwong Cheng

IPC: G11B33/14 ,  G11B25/04

Abstract: A hard disc drive includes a base deck, a cover welded to the base deck, and a voice coil motor. The voice coil motor includes a first voice coil motor assembly and a second voice coil motor assembly. Either one or both of the first and second voice coil motor assemblies can be welded to the base deck.

公开(公告)号：US11020816B1

公开(公告)日：2021-06-01

申请号：US16121872

申请日：2018-09-05

Applicant: Seagate Technology LLC

Inventor： Jerome Thomas Coffey ,  Samuel Edward Severson ,  Sok Li Goh ,  S. Selvaruben

IPC: B23K20/12 ,  G11B33/02 ,  G11B33/14 ,  B23K103/04 ,  B23K103/10 ,  B23K103/20

Abstract: Described are methods for forming a friction stir weld between a steel piece and an aluminum piece, with specific examples of the steel piece and the aluminum piece being a cover and a base of an enclosure.