RE: [SI-LIST] : susceptibility hard disks

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From: Farrokh Mottahedin (Farrokh.Mottahedin@quantum.com)
Date: Wed May 17 2000 - 11:18:04 PDT


Jan,

Quantum high end drives are designerd and tested to meet all specifications
with a 6 Gauss field applied in any orientation at 100 KHz.

Regards,

Farrokh Mottahedin

Quantum Corp.
500 McCarthy Blvd.
Milpitas, CA 95035
(408)324-7934
farrokh.mottahedin@quantum.com

-----Original Message-----
From: jvercamm@roam.agfa.be [mailto:jvercamm@roam.agfa.be]
Sent: Tuesday, May 16, 2000 6:01 AM
To: si-list@silab.eng.sun.com
Subject: [SI-LIST] : susceptibility hard disks

hello,

I hope someone can help me with the following question:

What is the susceptibility of (current) hard disks with respect to DC and
low frequency (< 100kHz) magnetic fields.

I have found specs in old manuals (Conner disks, at least 10 yr old) which
list
6 Gauss max. (DC to 700kHz). On the Seagate web site I have found a single
spec of
max. 5 Gauss for a small hard disk (4.2Gbyte).

Probably others have encountered similar questions and I was hoping that the
si-list
could help me on this problem or at least direct me to some useful sites.

regards,

Jan Vercammen
Agfa-Gevaert, EMC/PCB Engineering

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