Macronix International Co., Ltd.

Chu Ching Wu

Su-Chueh Lo

Ken Hui Chen

Yi-Fan Chang

Kuo Yu Liao

Ta Kang Chu

Chun-Hsiung Hung

Kuen-Long Chang

Chun Hsiung Hung

Kuen Long Chang

Cheng Ming Yih

Cheng-Ming Yi

Various discussed approaches improve the over erase issue and the coupling effect, and include (A) multilevel contacts between (i) the first outer selected word line of an erase group, and (ii) the first unselected word line outside the ease group neighboring the first outer selected word line; (B) a sufficient separation distance between (i) the first outer selected word line of an erase group, and (ii) the first unselected word line outside the ease group neighboring the first outer selected word line. These are examples of electrically isolating (i) the first outer selected word line of an erase group, from (ii) the first unselected word line outside the ease group neighboring the first outer selected word line.

Method and apparatus of performing an erase operation on a memory integrated circuit

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Jhubei, Taiwan

Chu Ching Wu