Samsung Electronics Co., Ltd.

Fine Semitech Corp.

Jeonghwan Min

Byungchul Yoo

Myungjun Kim

Jikang Kim

Kyoungchae Seo

Kyungmin Park

Byunghoon Lee

Changyoung Jeong

Sungyong Cho

Junhyuk Lee

Jaehyuck Choi

Han-Shin Lee

Kwangman Ok

Donghoon Chung

Sukjin Jung

Ikjun Kim

Yoonnyung Kim

Jeongsu Yang

Sunghwan Moon

An adhesive for an EUV mask includes an epoxy resin composition in an amount of 50 wt % to 80 wt % based on a total weight of the adhesive, the epoxy resin composition including an epoxy resin, a hardener, a toughening agent, a filler, and a curing accelerator, and an inorganic filler in an amount of 20 wt % to 50 wt % based on the total weight of the adhesive, the inorganic filler including one or more of aluminum hydroxide or calcium carbonate.

Method of removing an adhesive for an EUV mask and method of reusing an EUV mask

A pellicle including a water-soluble adhesive and a photomask assembly including the pellicle are provided. A pellicle may include a membrane, a pellicle frame, and a water-soluble adhesive disposed on the pellicle frame. The water-soluble adhesive may be prepared by a mixture including a water-soluble acrylic adhesive material in an amount of about 40% to about 55% by weight of the mixture, water or a solution of water and alcohol in an amount of about 40% to about 55% by weight of the mixture, and an additive in an amount of about 1% to about 5% by weight of the mixture.

Pellicle including a water-soluble adhesive and photomask assembly including the pellicle

Disclosed herein is a method of operating an electronic device having a camera. The electronic device includes a camera, a display unit, a sensor unit configured to detect an external event value, an image processor configured to process data received through the camera into a preview image, and a main processor. The main processor is configured to switch from a preview mode to a ready mode when the external event value is detected by the sensor unit, wherein the preview mode comprises activation of the camera, the image processor to display the preview image on the display unit, and the ready mode comprises deactivation of the camera and the image processor and display of a ready mode image on the display unit.

Electronic device having camera and method for operating the same

Growing community of inventors

Osan-si, South Korea

Jeonghwan Min