ESD SPICE model and measurements for a hard disk drive

Author

Wallash, Al

Author_Institution

Maxtor Corp., Milpitas, CA, USA

fYear

2003

fDate

21-25 Sept. 2003

Firstpage

1

Lastpage

7

Abstract

A simple lumped RLC model for a hard disk drive is developed and used in SPICE circuit simulations. Simulation results were compared with experimental measurements using a special ldquohybridrdquo disk drive to validate the SPICE model. The voltage on and between the head and disk inside the drive were modeled during an ESD event to the baseplate and/or disk. Experimental measurements and SPICE modeling show that if the disk grounded when there is a large disk-to-base resistance, then head-to-disk electrical breakdown can occur. It is concluded that an electrical model is valuable in developing an understanding of the effects of ESD on a hard disk drive.

Keywords

SPICE; circuit simulation; disc drives; electrostatic discharge; hard discs; ESD SPICE model; SPICE circuit simulation; disk-to-base resistance; hard disk drive; head-to-disk electrical breakdown; hybrid disk drive; lumped RLC model; simulation results; Circuit simulation; Disk drives; Electric breakdown; Electric resistance; Electric variables measurement; Electrical resistance measurement; Electrostatic discharge; Hard disks; SPICE; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Overstress/Electrostatic Discharge Symposium, 2003. EOS/ESD '03.

Conference_Location

Las Vegas, NV

Print_ISBN

978-1-5853-7057-3

Electronic_ISBN

978-1-5853-7057-3

Type

conf

Filename

5271996