公开(公告)号：US09818596B2

公开(公告)日：2017-11-14

申请号：US15094358

申请日：2016-04-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Gon-Su Kang ,  Sung-Ho Kang ,  Min-Chul Kim ,  Sun-Ho Ryu ,  Kwang-jun Lee ,  Yong-Hun Lee ,  Ju-Hong Lee ,  Sun-Hong Choi ,  Sang-Cheol Ha

IPC: H01J61/52 ,  H01L21/67 ,  H01J61/06

CPC classification number: H01J61/526 ,  H01J61/06 ,  H01J61/0732 ,  H01J61/523 ,  H01J61/82 ,  H01J61/90 ,  H01L21/67115 ,  H05B7/18

Abstract: An arc lamp includes an arc tube configured to receive a reaction gas therein, and an anode and a cathode disposed opposite one another within the arc tube and configured to generate an electrical arc. The anode includes an anode head portion extending inwardly from an end portion of the arc tube, and an anode tip portion bonded to the anode head portion and comprising a trench extending in a top surface along a peripheral region of the anode tip portion.