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US 2015/0091184 A1Published application
Semiconductor memory apparatus
AssigneeSK hynix Inc.
InventorJae Young LEE
Life of this patent
Estimating the term…
Abstract
A semiconductor memory apparatus includes: a power distribution line disposed over a circumferential portion of a device formation region; a guard ring formed to surround the device formation region outside of the power distribution line; and one or more power reinforcement parts configured to electrically couple an edge part of the power distribution line to the guard ring.
Claims19
A semiconductor memory apparatus comprising:
- a power distribution line disposed over a circumferential portion of a device formation region;
- a guard ring formed to surround the device formation region outside of the power distribution line;
- and
- one or more power reinforcement parts configured to electrically couple an edge part of the power distribution line to the guard ring.
1 more element
A semiconductor memory apparatus comprising:
- a power distribution line disposed over a circumferential portion of a device formation region;
- a guard ring formed to surround an outside of the device formation region and the power distribution line, in which a plurality of wiring layers are stacked;
- and
- one or more power reinforcement parts configured to electrically couple an edge part of the power distribution to the guard ring, and coupled between the power distribution line and a wiring layer of the guard ring at a different layer from a layer at which the power distribution line is formed.
1 more element
A semiconductor memory apparatus comprising:
- a power distribution line disposed over a circumferential portion of a device formation region;
- a guard ring formed to surround the device formation region and the power distribution line, and comprising a first guard ring part formed at the device formation region and a second guard ring part formed at a scribe lane;
- and
- one or more power reinforcement parts configured to electrically couple an edge part of the power distribution line to the first guard ring part.
1 more element
Dependencies are inferred from the claim text.