IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0926249
(2004-08-24)
|
등록번호 |
US-7274534
(2007-09-25)
|
발명자
/ 주소 |
- Choy,Michael G.
- Gustafson,John R.
- Robinson,Peter G.
|
출원인 / 주소 |
- Western Digital Technologies, Inc.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
65 인용 특허 :
1 |
초록
▼
A disk drive includes a disk drive housing having a breather hole and a separate leak testing hole, both the breather hole and the leak testing hole being formed through the disk drive housing, and a drive sub-component attached to a surface of the disk drive housing so as to form an interface betwe
A disk drive includes a disk drive housing having a breather hole and a separate leak testing hole, both the breather hole and the leak testing hole being formed through the disk drive housing, and a drive sub-component attached to a surface of the disk drive housing so as to form an interface between the sub-component and the surface of the housing. The interface defines an interface outer perimeter and a sealed airflow testing channel in fluid communication only with the leak testing hole to enable a non-destructive detection of leaks at the interface. The airflow testing channel may be disposed within the interface outer perimeter.
대표청구항
▼
What is claimed is: 1. A disk drive, comprising: a disk drive housing having a breather hole and a separate leak testing hole, both the breather hole and the leak testing hole being formed through the disk drive housing; a drive sub-component attached to a surface of the disk drive housing so as to
What is claimed is: 1. A disk drive, comprising: a disk drive housing having a breather hole and a separate leak testing hole, both the breather hole and the leak testing hole being formed through the disk drive housing; a drive sub-component attached to a surface of the disk drive housing so as to form an interface between the sub-component and the surface of the housing, the interface defining an interface outer perimeter, the interface further defining a sealed airflow testing channel in fluid communication only with the leak testing hole to enable a non-destructive detection of leaks at the interface, the airflow testing channel being disposed within the interface outer perimeter, and a screw attaching the drive sub-component to the surface of the disk drive housing, the airflow testing channel being disposed at least partially around the screw. 2. The disk drive of claim 1, wherein at least a portion of the airflow testing channel is defined within a surface of the drive sub-component that is attached to the disk drive housing. 3. The disk drive of claim 1, further including a layer of adhesive between the drive sub-component and the surface of the disk drive housing, at least a portion of the airflow testing channel being defined by the layer of adhesive. 4. The disk drive of claim 1, wherein at least a portion of the airflow testing channel is defined within the surface of the housing. 5. The disk drive of claim 4, wherein the disk drive housing includes a base and a cover and wherein the airflow testing channel is at least partially defined within the base. 6. The disk drive of claim 4, wherein the disk drive housing includes a base and a cover and wherein the airflow testing channel is at least partially defined within the cover. 7. The disk drive of claim 1, wherein the drive sub-component is a breather filter that is configured to limit and filter airflow into the disk drive housing, the breather filter including a surface that defines a filter hole that is in fluid communication with the breather hole so as to form a sealed and delimited filter airflow pathway, the leak testing channel being disposed at least partially around the filter airflow pathway. 8. The disk drive of claim 7, wherein the airflow testing channel forms a closed pathway around the filter airflow pathway. 9. The disk drive of claim 1, wherein the drive sub-component is a breather filter that is configured to limit and filter airflow into the disk drive housing through a filter airflow pathway, the breather filter including a breather filter housing and a filter fitted within the filter housing, the breather filter housing having a breather filter housing surface that defines a filter housing hole that is in fluid communication with both the filter airflow pathway and the breather hole and wherein the airflow testing channel is defined at least partially within the breather filter housing and at least partially around the filter housing hole. 10. The disk drive of claim 9, further including: a carrier layer defining a first carrier layer surface and a second carrier layer surface; a first adhesive layer configured to adhere the second carrier layer surface to the disk drive housing to form the interface between the breather filter and the disk drive housing, and a second adhesive layer configured to adhere the breather filter housing surface to the first carrier layer surface, the carrier layer and the first and second adhesive layers being formed such as to define a portion of the filter airflow pathway. 11. The disk drive of claim 1, wherein the drive sub-component is one of a breather filter, a spindle motor, an actuator assembly and a voice coil motor back plate. 12. A disk drive, comprising: a disk drive housing having a breather hole and a separate leak testing hole, both the breather hole and the leak testing hole being formed through the disk drive housing; a breather filter configured to limit and filter airflow into the disk drive housing through a filter airflow pathway, the breather filter being attached to a surface of the disk drive housing so as to form an interface between the breather filter and the surface of the housing, the interface defining an interface outer perimeter, the interface further defining, within the interface outer perimeter, a sealed airflow testing channel that is in fluid communication only with the leak testing hole, the breather filter including: a breather filter housing and a filter fitted within the filter housing, the breather filter housing having a breather filter housing surface that defines a filter housing hole that is in fluid communication with both the filter airflow pathway and the breather hole, the airflow testing channel being defined at least partially within the breather filter housing and at least partially around the filter housing hole; a carrier layer defining a first carrier layer surface and a second carrier layer surface; a first adhesive layer coupling the second carrier layer surface to the disk drive housing to form the interface between the breather filter and the disk drive housing, and a second adhesive layer coupling the breather filter housing surface to the first carrier layer surface, the carrier layer and the first and second adhesive layers defining a portion of the filter airflow pathway. 13. The disk drive of claim 12, wherein the airflow testing channel is at least partially defined within the surface of the housing. 14. The disk drive of claim 13, wherein the disk drive housing includes a base and a cover and wherein the airflow testing channel is at least partially defined within the base. 15. The disk drive of claim 13, wherein the disk drive housing includes a base and a cover and wherein the airflow testing channel is at least partially defined within the cover. 16. The disk drive of claim 12, further comprising at least one fastener attaching the drive sub-component to the surface of the disk drive housing and wherein the airflow testing channel is disposed at least partially around the fastener. 17. The disk drive of claim 16, wherein the fastener includes a screw. 18. The disk drive of claim 12, wherein the airflow testing channel forms a closed pathway around the filter airflow pathway.
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