Samsung Electronics Co., Ltd.

Eun-ah Kim

Ji-gwang Kim

Su-An Choi

Min-Hee Lee

Jang-Ho Kim

Kwang-soo No

Hee-kwan Lee

Jo-Hyun Park

Provided is an authentication method including receiving an authentication request; obtaining authentication data for authenticating a user from at least one of a plurality of external devices as when the authentication request is received; obtaining an authentication score based on the obtained authentication data and reliability information assigned to a type of the authentication data in advance; and determining whether additional authentication is necessary based on the obtained authentication score.

User authenticating method and device

Television receiver

Stand for television receiver

A phase shift mask formed by depositing on a transparent substrate a phase shifter material containing chromium (Cr), aluminum (Al), oxygen (O) and nitrogen (N). The transmissivity of a phase shifting layer of the phase shift mask, which is a CrAION layer, is increases, and the phase of exposure light is shifted by 180&deg; at a predetermined thickness, so that a fine photoresist pattern can be formed. Also, the transmissivity of the phase shifting layer with respect to inspection light, which has a longer wavelength than exposure light, is relatively low, which permits accurate inspection of the mask. The phase shift mask can be useful in photolithography using a short wavelength of exposure light, and in an inspection apparatus using an inspection light source having a longer wavelength than exposure light.

Phase shift mask using CrAION as phase shifter material and manufacturing method thereof

Growing community of inventors

Seoul, South Korea

Eun-ah Kim