Manufacturing method of chip package

    公开(公告)号:US11476293B2

    公开(公告)日:2022-10-18

    申请号:US16950810

    申请日:2020-11-17

    Applicant: XINTEC INC.

    Abstract: A manufacturing method of a chip package includes forming a temporary bonding layer on a carrier; forming an encapsulation layer on a top surface of a wafer or on the temporary bonding layer; bonding the carrier to the wafer, in which the encapsulation layer covers a sensor and a conductive pad of the wafer; patterning a bottom surface of the wafer to form a through hole, in which the conductive pad is exposed through the through hole; forming an isolation layer on the bottom surface of the wafer and a sidewall of the through hole; forming a redistribution layer on the isolation layer and the conductive pad that is in the through hole; forming a passivation layer on the isolation layer and the redistribution layer; and removing the temporary bonding layer and the carrier.

    Chip package and manufacturing method thereof

    公开(公告)号:US11038077B2

    公开(公告)日:2021-06-15

    申请号:US16291637

    申请日:2019-03-04

    Applicant: XINTEC INC.

    Abstract: A chip package includes a chip, a sidewall structure that has a first light-shielding layer, a second light-shielding layer, and a cover. The chip has a light emitter and a light receiver that are located on a top surface of the chip. The sidewall structure is located on the top surface of the chip and has two aperture areas. The light emitter and the light receiver are respectively located in the two aperture areas. The sidewall structure surrounds the light emitter and the light receiver, and at least one surface of the sidewall structure has the first light-shielding layer. The second light-shielding layer is located between the chip and the sidewall structure. The cover is located on a surface of the sidewall structure facing away from the chip, and at least covers the light receiver and the sidewall structure that surrounds the light receiver.

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