US 12,156,410 B2
Memory device
Shunpei Yamazaki, Setagaya (JP); Hajime Kimura, Atsugi (JP); Takanori Matsuzaki, Atsugi (JP); Tatsuya Onuki, Atsugi (JP); Yuki Okamoto, Isehara (JP); Hideki Uochi, Atsugi (JP); Satoru Okamoto, Isehara (JP); Hiromichi Godo, Isehara (JP); Kazuki Tsuda, Atsugi (JP); and Hitoshi Kunitake, Isehara (JP)
Assigned to Semiconductor Energy Laboratory Co., Ltd., Atsugi (JP)
Appl. No. 17/629,804
Filed by Semiconductor Energy Laboratory Co., Ltd., Atsugi (JP)
PCT Filed Jul. 31, 2020, PCT No. PCT/IB2020/057246
§ 371(c)(1), (2) Date Jan. 25, 2022,
PCT Pub. No. WO2021/028770, PCT Pub. Date Feb. 18, 2021.
Claims priority of application No. 2019-146975 (JP), filed on Aug. 9, 2019; application No. 2019-152611 (JP), filed on Aug. 23, 2019; application No. 2019-171318 (JP), filed on Sep. 20, 2019; application No. 2019-220147 (JP), filed on Dec. 5, 2019; application No. 2019-220340 (JP), filed on Dec. 5, 2019; and application No. 2019-229897 (JP), filed on Dec. 20, 2019.
Prior Publication US 2022/0262858 A1, Aug. 18, 2022
Int. Cl. H10B 63/00 (2023.01); H10B 41/27 (2023.01); H10B 43/27 (2023.01)
CPC H10B 63/845 (2023.02) [H10B 63/34 (2023.02)] 9 Claims
OG exemplary drawing
 
1. A memory device comprising:
a first conductor, a second conductor, a third conductor, and a fourth conductor;
a first insulator, a second insulator, and a third insulator;
a first semiconductor and a second semiconductor; and
a first transistor,
wherein the first conductor extends in a first direction,
wherein, on a side surface extending in the first direction of the first conductor, the first insulator is adjacent to the first conductor, the first semiconductor is adjacent to the first insulator, the second insulator is adjacent to the first semiconductor, the second semiconductor is adjacent to the second insulator, and the third insulator is adjacent to the second semiconductor,
wherein the memory device comprises a first region and a second region,
wherein in the first region, the second conductor is adjacent to the third insulator,
wherein in the second region, the third conductor is adjacent to the third insulator,
wherein, in the second region, the fourth conductor is between the second insulator and the second semiconductor, and
wherein the first semiconductor and the second semiconductor are electrically connected to one of a source and a drain of the first transistor.