Samsung Electronics Co., Ltd.

Tdk Corporation

In-Oh Hwang

Jung-Wan Ko

Takashi Kikukawa

Hyun-Soo Park

Chul-Woo Lee

Jin-Wook Lee

Narutoshi Fukuzawa

Kun-Ho Cho

Soo-Jin Park

Dong-Ho Shin

Tatsuhiro Kobayashi

Jong-Hyun Shin

Jae-Cheol Bae

Joo-Ho Kim

Joong-Eon Seo

Cheol Ham

Seung-Tae Jung

Byeong-Ho Park

Myong-Do Ro

Yoon-Gi Kim

Chong-Sam Chung

Myung-Gon Kim

Saim Saher

Hui Zhao

Kyung-Geun Lee

Byung-Ha Park

Kiu-Hae 243-601 Ssangyong Apt Jung

Jin-Kyung 936-702 Byuckjeokgol 9-Danji Apt Lee

Hyun-Ki 216-702 Hyundai Town Apt Kim

An optical data storage system writes or reads information with respect to an optical storage medium using an optical pickup including a solid immersion optical system or a solid immersion lens for generating a near-field and emitting a light beam. The optical storage medium includes a recording layer which is formed on a surface of an optical transmissive layer opposite to another surface of the optical transmissive layer which opposes the solid immersion optical system or solid immersion lens. The thickness of the optical transmissive layer is larger than one wavelength of the light beam. The interval between the surfaces of the solid immersion lens or solid immersion optical system and the optical transmissive layer is smaller than one wavelength of the light beam. Thus, the light beam reflected from the inside of an air gap and the inside of the optical storage medium between the air gap and the recording layer does not function as noise with respect to the light reflected from the recording layer. Also, since the thickness of a protective layer or a substrate which is an external surface of the optical storage medium can be thickened, information can be written or read with respect to the optical storage medium even when the optical storage medium has dust and/or damage.

Near-field optical storage medium and optical data storage system therefor

Growing community of inventors

Sungnam, South Korea

In-Oh Hwang