ENHANCEMENT OF HEAD-DISK INTERFACE DURABILITY BY USE OF DIAMOND-LIKE CARBON OVERCOATS ON THE SLIDERS RAILS

被引：34

作者：

BOGY, DB ^{[1
]}

YUN, XH ^{[1
]}

KNAPP, BJ ^{[1
]}

机构：

[1] DIAMONEX CORP,ALLENTOWN,PA 19530

来源：

IEEE TRANSACTIONS ON MAGNETICS | 1994年 / 30卷 / 02期

关键词：

Coating techniques - Coatings - Durability - Friction - Graphite - Interfaces (materials) - Magnetic heads - Materials testing - Mechanical variables measurement - Thin films - Tribology - Wear of materials;

D O I：

10.1109/20.312289

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Al2O3-TiC sliders used in magnetic recording hard disk drives were coated with diamond-like carbon (DLC) to improve the wear durability of the head-disk interface (HDI). Both contact-start-stop and constant speed drag tests were conducted during which the build up of friction associated with wear of the thin film disks was measured in a standard disk wear tester. The friction values increased three or fourfold in the tests with uncoated sliders, whereas tests conducted with DLC coated sliders showed only a twofold increase in friction in the early part of the test followed by constant friction values afterwards. This major improvement was found for as little as 7 nm of coating on the sliders. Increases of wear durability of the head-disk interface by factors of 50-200 were obtained.

引用

页码：369 / 373

页数：5