Inventor

YOON YONG-HYEOCK

KR2 patents

Patents

2 patents

US5451291ASep 19, 1995

Method for forming a via contact hole of a semiconductor device

HYUNDAI ELECTRONICS IND35 citations87

US6107138AAug 22, 2000

Method for fabricating a semiconductor device having a tapered contact hole

HYUNDAI ELECTRONICS IND4 citations57