Patent ID: 11862281
Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
Field: Semiconductors (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 0:
1. A word line lead-out structure, comprising:
2*N word lines, each of the word lines extending along an X-axis direction and being distributed in parallel along the X-axis direction;
2*N contact holes, each of the contact holes covering one of the word lines along a Y-axis direction, the X-axis direction being perpendicular to the Y-axis direction; and
2*N metal line, each of the metal lines extending along the Y-axis direction and covering one of the contact holes, each of the contact holes being located between a corresponding one of the word lines and a corresponding one of the metal lines and being contacted with the corresponding one of the word lines and the corresponding one of the metal lines,
wherein a contact area between each of the contact holes and the metal lines is larger than a contact area between each of the contact holes and the word lines,
wherein N is a positive integer, and
wherein the 2*N word lines, the 2*N contact holes and the 2*N metal lines are in one-to-one correspondence.