公开(公告)号：US20140085745A1

公开(公告)日：2014-03-27

申请号：US13627763

申请日：2012-09-26

Applicant: SEAGATE TECHNOLOGY LLC

Inventor： Kevin David Powers ,  Sandeep Bhushan ,  James J. Martin ,  Prasanna Manja Ramakrishna ,  Dale Thomas Riley ,  Vance Charles Kluver ,  Scott Howard Deits

IPC: G11B5/02 ,  G11B21/12

CPC classification number: G11B5/6076 ,  G11B5/40 ,  G11B5/607

Abstract: The present application discloses a transducer head comprising a read element that reads data from a storage media and an asperity sensor that detects a dimension of an asperity on a surface of the storage media using a temperature change at the asperity sensor. The asperity may be one or both of a void in the surface of the storage media and a protrusion from the surface of the storage media.

Abstract translation: 本申请公开了一种换能器头，其包括从存储介质读取数据的读取元件和使用在凹凸传感器处的温度变化来检测存储介质的表面上的凹凸的尺寸的粗糙度传感器。 凹凸可以是存储介质的表面中的空隙和从存储介质的表面的突起中的一个或两个。

公开(公告)号：US08681438B1

公开(公告)日：2014-03-25

申请号：US13627763

申请日：2012-09-26

Applicant: Seagate Technology LLC

Inventor： Kevin David Powers ,  Sandeep Bhushan ,  James J. Martin ,  Prasanna Manja Ramakrishna ,  Dale Thomas Riley ,  Vance Charles Kluver ,  Scott Howard Deits

IPC: G11B5/02

CPC classification number: G11B5/6076 ,  G11B5/40 ,  G11B5/607

Abstract: The present application discloses a transducer head comprising a read element that reads data from a storage media and an asperity sensor that detects a dimension of an asperity on a surface of the storage media using a temperature change at the asperity sensor. The asperity may be one or both of a void in the surface of the storage media and a protrusion from the surface of the storage media.

Abstract translation: 本申请公开了一种换能器头，其包括从存储介质读取数据的读取元件和使用在凹凸传感器处的温度变化来检测存储介质的表面上的凹凸的尺寸的粗糙度传感器。 凹凸可以是存储介质的表面中的空隙和从存储介质的表面的突起中的一个或两个。