Light-colored ESD safe ceramics

Details Light-colored ESD safe ceramics Light-colored ESD safe ceramics

2006-08-22

2006-08-22

Group, Karl (Department: 1755)

Compositions: ceramic

Ceramic compositions

Refractory

C501S104000, C501S105000, C252S520200, C252S520210, C252S520220, C451S028000

Reexamination Certificate

active

07094719

ABSTRACT:
Aspects of the present invention may be found in an electrostatic dissipative ceramic component having a stabilized zirconia base, a surface resistivity between 1×105and 1×1012ohms per square and at least 2 percent by volume scattering material. The stabilized zirconia may be present in amounts between 60 and 95 weight percent. Further aspects of the invention may be found in an electrostatic dissipative ceramic material having stabilized zirconia, a resistivity modifier, and a scattering material. The stabilized zirconia may be present in amounts between 60 and 95 weight percent of the ceramic material. The resistivity modifier may be present in amounts between 5 and 30 weight percent. The scattering material may comprise at least 2 volume percent of the electrostatic dissipative ceramic material. The component may be used in the manufacturing of electronic component such as hard drives.

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patent: WO 02/081402 (2002-10-01), None

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