03-12-2020 дата публикации
Номер: US20200381396A1
Принадлежит:
In an embodiment, a device includes: a bottom integrated circuit die having a first front side and a first back side; a top integrated circuit die having a second front side and a second back side, the second back side being bonded to the first front side, the top integrated circuit die being free from through substrate vias (TSVs); a dielectric layer surrounding the top integrated circuit die, the dielectric layer being disposed on the first front side, the dielectric layer and the bottom integrated circuit die being laterally coterminous; and a through via extending through the dielectric layer, the through via being electrically coupled to the bottom integrated circuit die, surfaces of the through via, the dielectric layer, and the top integrated circuit die being planar. 1. A device comprising:a bottom integrated circuit die having a first front side and a first back side;a top integrated circuit die having a second front side and a second back side, the second back side being bonded to the first front side, the top integrated circuit die being free from through substrate vias (TSVs);a dielectric layer surrounding the top integrated circuit die, the dielectric layer being disposed on the first front side, the dielectric layer and the bottom integrated circuit die being laterally coterminous; anda through via extending through the dielectric layer, the through via being electrically coupled to the bottom integrated circuit die, surfaces of the through via, the dielectric layer, and the top integrated circuit die being planar.2. The device of claim 1 , wherein the second back side is bonded to the first front side by an adhesive.3. The device of claim 1 , wherein the top integrated circuit die comprises a semiconductor substrate claim 1 , and the bottom integrated circuit die comprises a first bonding layer at the first front side claim 1 , the semiconductor substrate being directly bonded to the first bonding layer.4. The device of claim 1 , wherein the bottom ...
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