Marvell International Limited

Data Storage Institute

Baoxi Xu

Siang Huei Leong

Tow Chong Chong

Wen Huei Jack Tsai

Minyu Liu

Gaoqiang Yuan

According to embodiments of the present invention, a method of writing servo information on a storage medium is provided. The method includes applying heat to a servo portion of a storage medium, and applying a magnetic field to the servo portion that is heated to write servo information on the servo portion. According to further embodiments of the present invention, an arrangement for writing servo information on a storage medium and a method of forming a storage medium are also provided.

Method of writing servo information on a storage medium and arrangement    for writing servo information on a storage medium

The present invention provides an improved optical reading and recording system utilizing optical system employing an aspherical solid immersion lens (SIL). The improved optical system has an aspherical SIL between an objective lens and the recording media. The aspherical SIL reduces the focused electromagnetic radiation beam spot size by providing an increased numeric aperture (NA) of the optical system. The aspherical surface of the SIL provide greater manufacturing and operating tolerances between the objective lens and the aspherical SIL. Greater manufacturing tolerances provide an easier to manufacture optical system. Increased ease of manufacture reduces the cost of optical systems.

Optical recording system with aspherical solid immersion lens

Growing community of inventors

Singapore, Singapore

Baoxi Xu