Perfluoropolyether lubricant and systems comprising same

US9074155B2 · kind B2 · utility

Assignee

• HGST Netherlands, B.V. · NL

Inventors

• John M. Burns · Lomita, US
• Hong Deng · San Jose, US
• Xing-Cai Guo · Lo Wu, CN
• Bruno Marchon · Palo Alto, US
• Daryl J. Pocker · San Jose, US
• Robert Waltman · Gilroy, US

Key dates

• Filing date: Jul 30, 2013
• Grant date: Jul 7, 2015
• Expiry date: Jul 30, 2033

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/1164
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A surface agent includes two end portions and a middle portion disposed between the end portions. The end portions include a terminal section and a midsection. The terminal section includes at least one surface active functional group. The midsection includes at least one perfluoroethyl ether unit. The middle portion includes at least one perfluorobutyl ether unit.