Hard disk drives with improved exiting regions for electrical connectors and related methods

• US 8,427,787 B2
• Filed: 04/28/2011
• Issued: 04/23/2013
• Est. Priority Date: 04/28/2011
• Status: Active Grant

• Current Assignee: Entrotech, Inc.
• Original Assignee: Entrotech, Inc.
• Inventors: McGuire, James E. Jr.
• Primary Examiner(s): BLOUIN, MARK S
• Application Number:
  US13/096,615
• Publication Number:
  US 20120275057A1
• Time in Patent Office: 726 Days
• Field of Search: 360/264.2
• US Class Current: 360/264.2
• CPC Class Codes: G11B 25/043 using rotating discs
• CPC Class Codes: G11B 33/122 Arrangements for providing electrical connections, e.g. connectors, cables, switches
• CPC Class Codes: Y10T 29/49021 Magnetic recording reproducing transducer [e.g., tape head, core, etc.]

Abstract

A hard disk drive of the invention comprises a housing comprising a base and a cover; at least one disk for storage of data within the housing; an actuator for reading and recording of the data on the at least one disk; and an electrical connector extending through an exiting portion of the base. The exiting portion comprises a recessed portion within the base providing an enlarged opening through which the electrical connector may exit the hard disk drive without direct constraint by the base. The electrical connector also provides electrical contact between electronics external to the housing and one or more component within the hard disk drive.

Claims

1. A hard disk drive, comprising:

a housing comprising a base and a cover;

at least one disk for storage of data within the housing;

an actuator for reading and recording of the data on the at least one disk; and

an electrical connector extending through a non-metallic exiting portion of the base, which exiting portion comprises a recessed portion within the base, providing an enlarged opening through which the electrical connector may exit the hard disk drive without direct constraint by the base, and providing electrical contact between electronics external to the housing and one or more component within the hard disk drive.

2. The hard disk drive of claim 1, wherein the exiting portion of the base comprises plastic.

3. The hard disk drive of claim 1, wherein the electrical connector comprises a rigid pin connector.

4. The hard disk drive of claim 1, wherein the electrical connector comprises a flexible circuit.

5. The hard disk drive of claim 1, wherein the electrical connector comprises an actuator flex cable.

6. The hard disk drive of claim 1, further comprising a compliant constraint surrounding the electrical connector as it extends through the exiting portion of the base.

7. The hard disk drive of claim 6, wherein the compliant constraint provides a smooth transition between the base and the electrical connector.

8. The hard disk drive of claim 6, wherein the compliant constraint comprises a potting compound.

9. The hard disk drive of claim 6, wherein the compliant constraint comprises an epoxy potting compound.

10. The hard disk drive of claim 1, further comprising a second electrical connector extending through the exiting portion of the base.

11. A method of forming the hard disk drive of claim 1, comprising steps of:

providing the cover for the housing;

providing the base for the housing, wherein the base comprises the exiting portion;

providing at least one electrical connector;

positioning the at least one electrical connector within the exiting portion of the base;

enclosing the cover and the base around components internal to the hard disk drive such that the electrical connector freely extends through the exiting portion of the base;

sealing the exiting portion of the base around the electrical connector; and

optionally, evacuating and filling the hard disk drive with a desired gaseous medium when the desired gaseous medium is other than atmospheric air.

12. The method of claim 11, wherein the exiting portion of the base comprises plastic.

13. The method of claim 11, wherein the at least one electrical connector comprises a rigid pin connector.

14. The method of claim 11, wherein the at least one electrical connector comprises a flexible circuit.

15. The method of claim 11, wherein the step of sealing the exiting portion of the base comprises inserting a compliant constraint surrounding the electrical connector as it extends through the exiting portion of the base.

16. The method of claim 15, wherein the compliant constraint comprises a potting compound.

17. The method of claim 15, wherein the compliant constraint comprises an epoxy potting compound.

18. The method of claim 11, comprising the step of evacuating and filling the hard disk drive with the desired gaseous medium when the desired gaseous medium is other than atmospheric air.

19. The hard disk drive of claim 1, wherein the compliant constraint provides a smooth transition between the base and the electrical connector.

20. The method of claim 11, wherein the electrical connector comprises an actuator flex cable.