Seagate Technology Incorporated

Qian Guo

Michael Joseph Stirniman

JiPing Yang

Wen Hong Liu

Wenhong Liu

Jingyuan Zhuo

Yu Lu

Ajaykumar Rajasekharan

David James Ellison

XiaoPing Yan

Xiaoping Yan

Mark Smura

Hamid Riahi Samani

Fluoropolyether compounds that can be used as a lubricant, such as for magnetic recording media. The compounds have a terminal group that includes a phenol or benzene. The fluoropolyether compounds reduce the head to media distance while keeping comparable reliability in a hard disk drive compared to current industrial widely used fluoropolyether based lubricants.

Fluoropolyether compound and lubricant

Provided herein is a lubricant comprising a compound of Formula I: 

Polyfluoro lubricant compositions

A slider, having a leading edge, a trailing edge, a working surface, and read/write heads proximate the trailing edge. The slider includes a protective overcoat over the working surface of the slider, and a self-assembled monolayer coating on the working surface of the slider and over the protective overcoat, the coating comprising at least one self-assembled monolayer material.

Slider with self-assembled monolayer pattern

Disclosed herein are compounds of formula I:X-(L-Z)-L-R[L-(Z-L)-Y]&#x2003;&#x2003;(I)wherein L is a perfluoropolyether;R is q can be an integer equal to or greater than 1;p can independently be integers from 0 to 7;X and Y can independently be chosen from: &#x2014;OH, &#x2014;CHCHOH, CHCHOCHCHOH, &#x2014;CHCH(OH)CHOH, &#x2014;CH, &#x2014;CHCH, &#x2014;CHCH(OH)CH, F, &#x2014;CF, &#x2014;CFCF, piperonyl, triazine, benzotriazole, and derivatives thereof; andZ, if present, can independently be chosen from: &#x2014;CH&#x2014;, &#x2014;CHCHCH&#x2014;, &#x2014;CHCH(OH)CH&#x2014;, &#x2014;CHCH(OH)CHCH(OH)CH&#x2014;, &#x2014;CH(OH)CH(OH)CH&#x2014;, &#x2014;CH(CHOH)&#x2014;, or &#x2014;CH(CH)&#x2014;.

Lubricants for data storage

An apparatus for collecting condensed vapor during physical vapor deposition includes an enclosure configured to be placed adjacent to one or more vapor sources in a vacuum chamber. The enclosure includes an internal surface of the enclosure partially enclosing a volume of space configured to receive an object wherein the enclosure is maintained at a cooler temperature than the one or more vapor sources. The internal surface of the enclosure is coupled to one or more drainage gutters drainage drainage gutters.

Vapor collection

Compositions including one or more a central cores having a cyclic group, and a plurality of arms extending from the central cores, wherein the arms comprise perfluoropolyethers (PFPEs) or its derivatives. Methods of preparing the compositions are also provided. Methods of preparing storage media that incorporate the compositions therein are further provided.

Growing community of inventors

Fremont, CA, United States of America

Qian Guo