목록 Device and manufacturing method of non-volatile memory device for improving the erasing efficiency Year of publication 2007 Inventor 전상훈,김정우 Application No. KR1020040107160A Application date Registration No. KR100699830B1 Registration date Link https://patents.google.com/patent/KR100699830B1/en?oq=10-0699830 457회 연결