VERTICAL MEMORY DEVICES AND METHODS OF MANUFACTURING THE SAME

• Main Authors: JUNG YUN-KYU, HONG SEUNG-WAN, LEE HEE-JUENG, SHIN KYUNG-JUN, NA HYUN-SEOK
• Format: Patent
• Language: Chinese; English
• Published: 17.11.2020
• Subjects: ELECTRICITY

Example embodiments disclose a vertical memory device and method of manufacturing the same. The device may include a plurality of gate electrodes and a plurality of insulation patterns and a channel that penetrates a first gate electrode and a first insulation pattern. The device may have a charge storage structure including a tunnel insulation pattern, a charge trapping pattern, and a blocking pattern that are sequentially stacked from an outer sidewall of a channel. The device may have a buried pattern structure that is surrounded by the tunnel insulation pattern and the charge trapping pattern. The charge trapping pattern may include a first vertically sloped portion having a first thickness in the horizontal direction and a second vertically sloped portion having a second thickness inthe horizontal direction, and the first thickness may be less than or equal to the second thickness. 示例实施例公开了一种垂直存储器件及其制造方法。所述器件可以包括多个栅电极和多个绝缘图案以及穿透第一栅电极和第一绝缘图案的沟道。所述器件可以具有包括从沟道的外侧壁顺序堆叠的隧道绝缘图案、电荷俘获图案和阻挡图案的电荷存储结构。所述器件可以具有被所述隧道