Patent ID: 11901279
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 15:
16. A method of manufacturing a semiconductor package, comprising:
forming a first redistribution structure;
laterally encapsulating a semiconductor die mounted on the first redistribution structure by an encapsulant; and
forming a second redistribution structure on the first redistribution structure along a stacking direction, wherein the first redistribution structure is located between the semiconductor die and the second redistribution structure, and wherein the first redistribution structure comprises a first conductive via a first conductive wire and a second conductive wire, and the second redistribution structure comprises a second conductive via, a third conductive wire and a fourth conductive wire, the second conductive via is disposed over the first conductive via along the stacking direction, a lateral dimension of the first conductive via decreases along a first direction, a lateral dimensions of the second conductive via decreases along a second direction, the first direction is opposite to the second direction, and the first direction and the second direction are parallel to the stacking direction, the encapsulant is not on sidewalls of the first redistribution structure, the first conductive via is located between and in direct contact with the first conductive wire and the second conductive wire, the second conductive via is located between and in direct contact with the third conductive wire and the fourth conductive wire, the first conductive wire, the first conductive via, the second conductive wire, the third conductive wire, the second conductive via and the fourth conductive wire are sequentially disposed along the stacking direction, and the first conductive via, the second conductive wire, the third conductive wire, the second conductive via and the fourth conductive wire are overlapped with the semiconductor die along the stacking direction.