Toshiba Memory Corporation

Takashi Sugihara

Kaito Shirai

Masaya Ichikawa

Satoshi Kotomari

A semiconductor chip includes a memory cell array and a wiring layer. The memory cell array includes a plurality of blocks arranged in a first direction along a surface of the semiconductor chip. The wiring layer includes a plurality of first pattern regions at different positions along the first direction, each first pattern region including a different pattern corresponding to one or more of the blocks. The first pattern regions can be used to identify portions of the semiconductor chip during analysis or the like.

Growing community of inventors

Yokkaichi Mie, Japan

Takashi Sugihara