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AssigneeWinbond Electronics Corp.
InventorsShou-Chi Tsai, Chun-Lin Li
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Provided is a dynamic random access memory including a substrate, a gate dielectric layer, a metal filling layer, an adhesion layer, multiple work function layers, and multiple doped regions. The substrate has a trench. The gate dielectric layer is located on a sidewall and a bottom surface of the trench. The metal filling layer is located in the trench. The adhesion layer is located between the gate dielectric layer and the metal filling layer. The work function layers are located in the trench, where each work function layer is located between a sidewall of the gate dielectric layer and a sidewall of the adhesion layer. The doped regions are located in the substrate on both sides of the trench, where part of the work function layers and part of the gate dielectric layer are laterally sandwiched between part of the doped regions and part of the adhesion layer.
A dynamic random access memory, comprising:
A method of manufacturing a dynamic random access memory, comprising:
Dependencies are inferred from the claim text.