Vibration isolating disk drive receiving stations and chassis used in the manufacture and/or testing of hard disk drives
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H05K-005/00
F16M-011/00
F16M-013/00
G11B-033/02
출원번호
US-0030355
(2005-01-06)
발명자
/ 주소
Henry,Paul H.
출원인 / 주소
Western Digital Technologies, Inc.
인용정보
피인용 횟수 :
83인용 특허 :
14
초록▼
A chassis for receiving a plurality of disk drives includes a plurality of disk drive receiving stations. Each station is configured to carry out testing and/or servo writing operations on a received disk drive. Each station includes a base, a nest assembly and a plurality of elastomeric mounts that
A chassis for receiving a plurality of disk drives includes a plurality of disk drive receiving stations. Each station is configured to carry out testing and/or servo writing operations on a received disk drive. Each station includes a base, a nest assembly and a plurality of elastomeric mounts that elastically couple the nest assembly to the base to enable movement of the nest assembly relative to the base. The nest assembly includes a nest configured to receive and mate with the disk drive and a printed circuit board. Each station includes a separate vibration isolating mass that is coupled to the nest. The vibration isolating mass at least partially isolates vibrations originating within the nest from being transmitted through the elastomeric mounts to other nests in the chassis and at least partially isolates vibrations originating outside the nest from being transmitted through the elastomeric mounts to the nest assembly.
대표청구항▼
What is claimed is: 1. A chassis for receiving a plurality of disk drives, the chassis comprising: a plurality of disk drive receiving stations, each disk drive station being configured to receive one of the plurality of disk drives and to facilitate at least one of testing and servo writing operat
What is claimed is: 1. A chassis for receiving a plurality of disk drives, the chassis comprising: a plurality of disk drive receiving stations, each disk drive station being configured to receive one of the plurality of disk drives and to facilitate at least one of testing and servo writing operations on the received disk drive, each disk drive receiving station including: a base; a nest assembly; a plurality of elastomeric mounts elastically coupling the nest assembly to the base; the nest assembly including: a nest, the nest being configured to receive and mate with the disk drive; a printed circuit board attached to the nest, the printed circuit board being configured to control at least one of the testing and the servo writing operations, each disk drive receiving station including a separate vibration isolating mass coupled to the nest, the vibration isolating mass being greater than an aggregate mass of the nest, the printed circuit board and the disk drive. 2. The chassis of claim 1, wherein the nest has a first surface and a second surface that faces the base, and wherein the vibration isolating mass is attached to the second surface of the nest. 3. The chassis of claim 1, wherein the vibration isolating mass includes cast iron. 4. The chassis of claim 1, wherein an amount of the vibration isolating mass is selected to have a weight between 1 and 20 lbs. 5. The chassis of claim 1, wherein the vibration isolating mass defines a flat surface, wherein the nest includes injection molded plastic and wherein the nest is attached to the flat surface of the vibration isolating mass so as to increase the rigidity and reduce warping of the nest. 6. A disk drive receiving station for carrying out at least one of testing and servo writing operations on a disk drive, the disk drive receiving station comprising: a base; a nest assembly; a plurality of elastomeric mounts elastically coupling the nest assembly to the base so as to enable movement of the nest assembly relative to the base; the nest assembly including: a nest, the nest being configured to receive and mate with the disk drive; a printed circuit board attached to the nest, the printed circuit board being configured to control at least one of the testing and the servo writing operations, and a vibration isolating mass coupled to the nest and disposed between the nest and the base the vibration isolating mass being effective to at least partially isolate vibrations transmitted through the base to the nest assembly through the elastomeric mounts. 7. The disk drive receiving station of claim 6, wherein the amount of the vibration isolating mass is greater than an aggregate mass of the nest, the printed circuit board and the disk drive. 8. The disk drive receiving station of claim 6, wherein the nest has a first surface and a second surface that faces the base, and wherein the vibration isolating mass is attached to the second surface of the nest. 9. The disk drive receiving station of claim 6, wherein the vibration isolating mass includes cast iron. 10. The disk drive receiving station of claim 6, wherein an amount of the vibration isolating mass is selected to have a weight between 1 and 20 lbs. 11. The disk drive receiving station of claim 6, wherein the vibration isolating mass defines a flat surface, wherein the nest includes injection molded plastic and wherein the nest is attached to the flat surface of the vibration isolating mass so as to increase the rigidity and reduce warping of the nest. 12. A chassis for receiving a plurality of disk drives, the chassis comprising: a plurality of disk drive receiving stations, each disk drive station being configured to receive one of the plurality of disk drives and to facilitate at least one of testing and servo writing operations on the received disk drive, each disk drive receiving station including: a base; a nest assembly, the nest assembly having a first surface and a second surface that faces the base; a plurality of elastomeric mounts elastically coupling the nest assembly to the base; the nest assembly including: a nest, the nest being configured to receive and mate with the disk drive; a printed circuit board attached to the nest, the printed circuit board being configured to control at least one of the testing and the servo writing operations, each disk drive receiving station including a separate vibration isolating mass that is attached to the second surface of the nest. 13. The chassis of claim 12, wherein the vibration isolating mass is greater than an aggregate mass of the nest, the printed circuit board and the disk drive. 14. The chassis of claim 12, wherein the vibration isolating mass includes cast iron. 15. The chassis of claim 12, wherein an amount of the vibration isolating mass is selected to have a weight between 1 and 20 lbs. 16. The chassis of claim 12, wherein the vibration isolating mass defines a flat surface, wherein the nest includes injection molded plastic and wherein the nest is attached to the flat surface of the vibration isolating mass so as to increase the rigidity and reduce warping of the nest. 17. A chassis for receiving a plurality of disk drives, the chassis comprising: a plurality of disk drive receiving stations, each disk drive station being configured to receive one of the plurality of disk drives and to facilitate at least one of testing and servo writing operations on the received disk drive, each disk drive receiving station including: a base; a nest assembly; a plurality of elastomeric mounts elastically coupling the nest assembly to the base; the nest assembly including: a nest, the nest being configured to receive and mate with the disk drive; a printed circuit board attached to the nest, the printed circuit board being configured to control at least one of the testing and the servo writing operations, each disk drive receiving station including a separate vibration isolating mass coupled to the nest, the vibration isolating mass defining a flat surface, the nest including injection molded plastic and the nest being attached to the flat surface of the vibration isolating mass so as to increase the rigidity and reduce warping of the nest. 18. The chassis of claim 17, wherein the vibration isolating mass is greater than an aggregate mass of the nest, the printed circuit board and the disk drive. 19. The chassis of claim 17, wherein the nest has a first surface and a second surface that faces the base, and wherein the vibration isolating mass is attached to the second surface of the nest. 20. The chassis of claim 17, wherein the vibration isolating mass includes cast iron. 21. The chassis of claim 17, wherein an amount of the vibration isolating mass is selected to have a weight between 1 and 20 lbs.
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