06-02-2020 дата публикации
Номер: US20200043890A1
A package structure includes a first substrate, a second substrate, a plurality of conductive pillars and an adhesive layer. The first substrate includes a plurality of vias and a plurality of pads. The pads are disposed on the first substrate, and fill in the vias. The second substrate is disposed opposite to the first substrate. Each conductive pillar electrically connects each pad and the second substrate, and the adhesive layer fills in the gaps between the conductive pillars. A bonding method of the package structure is also provided. 1. A package structure , comprising: a plurality of vias; and', 'a plurality of pads, disposed on the first substrate, and filling in the vias;, 'a first substrate, comprisinga second substrate, disposed opposite to the first substrate;a plurality of conductive pillars, each of the conductive pillars electrically connecting each of the pads and the second substrate, each of the conductive pillars filling in each of the vias; andan adhesive layer, disposed between the first substrate and the second substrate, the adhesive layer filling in gaps between the conductive pillars.2. The package structure according to claim 1 , wherein each of the pads is conformal with each of the vias.3. The package structure according to claim 1 , wherein each of the pads has a dimple claim 1 , and each of the conductive pillars electrically connects each of the dimples.4. The package structure according to claim 1 , wherein the adhesive layer comprises one of a non-photosensitive adhesive or a photosensitive adhesive.5. The package structure according to claim 4 , further comprising:a planarization layer, disposed on the second substrate, the planarization layer being located between the second substrate and the conductive pillars; anda macromolecular adhesive layer, disposed on the adhesive layer, the macromolecular adhesive layer filling in the gaps between the conductive pillars.6. A bonding method of a package structure claim 4 , comprising: ...
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