Oliff & Berridge, PLC
Semiconductor memory device
First and second gate electrode layers located in a first conductive layer, first and second drain-drain connecting layers located in a second conductive layer, and first and second drain-gate connecting layers located in a third conductive layer become conductive layers for forming a flip-flop. First and second contact-conductive sections are formed in a region from an interlayer dielectric between the first and second conductive layers to an interlayer dielectric between the second and third conductive layers. The first drain-gate connecting layer is connected to the second gate electrode layer with the first contact-conductive section interposed. The second drain-gate connecting layer is connected to the first gate electrode layer with the second contact-conductive section interposed.
Seiko Epson Corporation
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Takafumi Masahiro Satoru Takashi
Noda Takeuchi Kodaira Kumagai