Data cartridge with electrostatic discharge protection
View Patent ↗A data storage system for removably storing information is disclosed. The data storage system includes a cartridge receptacle adapted to electrically and mechanically engage a removable data cartridge. The cartridge receptacle includes a second electrical connector and a conductive member. The second electrical connector is adapted to electrically engage a first electrical connector of the removable data cartridge. The conductive member is configured to engage a resistive portion of the removable data cartridge before the first and second electrical connectors engage. The conductive member is coupled to a ground of the cartridge receptacle.
1. A data storage system for removably storing information, the data storage system comprising:
a removable data cartridge, wherein the removable data cartridge comprises:
a housing comprising a static dissipative portion having a surface resistivity to dampen the magnitude of static electricity discharges,
a first electrical connector, and
a storage device within the housing, wherein the storage device includes an electronic circuit, and the static dissipative portion is electrically coupled to the electronic circuit; and
a cartridge receptacle adapted to electrically and mechanically engage the removable data cartridge, the cartridge receptacle comprising:
a second electrical connector adapted to electrically engage the first electrical connector, and
a conductive member configured to engage the portion before the first and second electrical connectors engage, wherein the conductive member is coupled to a ground of the cartridge receptacle.
2. The data storage system for removably storing information as recited in claim 1 , wherein the removable data cartridge further comprises an insulating portion.
3. The data storage system for removably storing information as recited in claim 1 , wherein the removable data cartridge further comprises a plurality of ventilation gaps in the housing, whereby the plurality of ventilation gaps create an air path to the storage device.
4. The data storage system for removably storing information as recited in claim 1 , wherein the removable data cartridge further comprises an aperture, wherein the first electrical connector is accessible with the aperture.
5. The data storage system for removably storing information as recited in claim 4 , wherein the static dissipative portion comprises at least a portion of the aperture.
6. The data storage system for removably storing information as recited in claim 4 , wherein the electronic circuit comprises a solid state device.
7. The data storage system for removably storing information as recited in claim 1 , wherein the surface resistivity is in a range of about 100 ohms/square to about 1,000,000 ohms/square.
8. A data storage system for removably storing information, the data storage system comprising:
a removable data cartridge, wherein the removable data cartridge comprises:
a housing comprising a static dissipative portion having a resistivity to dampen the magnitude of static electricity discharges,
a first electrical connector, and
a storage device within the housing, wherein the storage device includes an electronic circuit, and the static dissipative portion is electrically coupled to the electronic circuit; and
a cartridge receptacle adapted to electrically and mechanically engage the removable data cartridge, the cartridge receptacle comprising:
a second electrical connector adapted to electrically engage the first electrical connector, and
a member configured to engage the static dissipative portion before the first and second electrical connectors engage, wherein the member is coupled to a ground of the cartridge receptacle.
9. The data storage system for removably storing information as recited in claim 8 , wherein the member is conductive.
10. The data storage system for removably storing information as recited in claim 8 , wherein the resistivity is less than that of air.
11. The data storage system for removably storing information as recited in claim 8 , wherein the removable data cartridge further comprises a plurality of ventilation gaps in the housing, whereby the plurality of ventilation gaps create an air path to the storage device.
12. The data storage system for removably storing information as recited in claim 8 , wherein the resistivity is greater than that of the member.
13. The data storage system for removably storing information as recited in claim 8 , wherein the member comprises a spring clip.
14. The data storage system for removably storing information as recited in claim 8 , wherein the static dissipative portion is electrically coupled to the electronic circuit by a metallic member.
15. The data storage system for removably storing information as recited in claim 8 , wherein the static dissipative portion includes a static dissipative polymer.
16. The data storage system for removably storing information as recited in claim 8 , wherein the resistivity is in a range of about 100 ohms/square to about 1,000,000 ohms/square.
17. The data storage system for removably storing information as recited in claim 8 , wherein the housing further comprises an insulating portion.
18. The data storage system for removably storing information as recited in claim 8 , wherein the storage device includes a magnetic disk drive.
19. The data storage system for removably storing information as recited in claim 8 , wherein the storage device includes flash memory for storage.
20. A removable data cartridge for removably storing information, wherein the removable data cartridge comprises:
a housing comprising the static dissipative portion having a surface resistivity to dampen the magnitude of static electricity discharges,
an electrical connector, and
a storage device within the housing, wherein:
the storage device includes an electronic circuit, and
the static dissipative portion is electrically coupled to the electronic circuit wherein the static dissipative portion is configured to engage a conductive member of a cartridge receptacle before the electrical connector engages with a second electrical connector comprised in the cartridge receptacle, and wherein the conductive member couples the static dissipative portion to a ground of the cartridge receptacle.
21. The removable data cartridge for removably storing information as recited in claim 20 , wherein the static dissipative portion includes a static dissipative polymer.
22. The removable data cartridge for removably storing information as recited in claim 20 , wherein the surface resistivity is in a range of about 100 ohms/square to about 1,000,000 ohms/square.
23. The removable data cartridge for removably storing information as recited in claim 20 , further comprising a metallic member that couples the static dissipative portion to the electronic circuit.
24. The removable data cartridge for removably storing information as recited in claim 20 , wherein the metallic member is a bleeder spring.
25. The removable data cartridge for removably storing information as recited in claim 20 , wherein the housing further comprises an insulating portion.
26. The removable data cartridge for removably storing information as recited in claim 20 , wherein the storage device includes a magnetic disk drive.
27. The removable data cartridge for removably storing information as recited in claim 20 , wherein the storage device includes flash memory for storage.