Chuck Design and Method for Wafer

    公开(公告)号:US20220359260A1

    公开(公告)日:2022-11-10

    申请号:US17872290

    申请日:2022-07-25

    Abstract: An apparatus for securing a wafer includes a chuck, at least one O-ring disposed on the chuck, a vacuum system connected to the chuck, such that the vacuum system comprises a plurality of vacuum holes through the chuck connected to one or more vacuum pumps, and a controller configured to control the height of the at least one O-ring relative to the top surface of the chuck. The controller is connected to pressure sensors capable of detecting a vacuum. The at least one O-ring may include a plurality of O-rings.

    Methods of manufacturing redistribution circuit structures using phase shift mask

    公开(公告)号:US11189521B2

    公开(公告)日:2021-11-30

    申请号:US16590375

    申请日:2019-10-02

    Abstract: Methods of manufacturing redistribution circuit structures are disclosed and one of the methods includes the following steps. A seed layer is formed over a die and an encapsulant encapsulating the die. A photoresist material is formed over the seed layer. The photoresist material is exposed through a phase shift mask to an I-line wavelength within an I-line stepper using a numerical aperture equal to or less than 0.18. The photoresist material is developed to form a photoresist layer including photoresist patterns and openings therebetween. A conductive material is formed in the openings. The photoresist patterns are removed to form conductive patterns. By using the conductive patterns as a mask, the seed layer is partially removed, to form seed layer patterns under the conductive patterns, wherein redistribution conductive patterns include the seed layer patterns and the conductive patterns respectively.

    Chuck design and method for wafer

    公开(公告)号:US12148651B2

    公开(公告)日:2024-11-19

    申请号:US17872290

    申请日:2022-07-25

    Abstract: An apparatus for securing a wafer includes a chuck, at least one O-ring disposed on the chuck, a vacuum system connected to the chuck, such that the vacuum system comprises a plurality of vacuum holes through the chuck connected to one or more vacuum pumps, and a controller configured to control the height of the at least one O-ring relative to the top surface of the chuck. The controller is connected to pressure sensors capable of detecting a vacuum. The at least one O-ring may include a plurality of O-rings.

    SEMICONDUCTOR PACKAGE AND METHOD OF FABRICATING THE SAME

    公开(公告)号:US20190393150A1

    公开(公告)日:2019-12-26

    申请号:US16016669

    申请日:2018-06-25

    Abstract: A semiconductor package including a substrate and a redistribution structure is provided. The substrate has at least one contact. The redistribution structure is disposed on the substrate and electrically connected to the at least one contact. The redistribution structure includes a plurality of redistribution layers, and each of the redistribution layers includes a conductive material layer, a first dielectric material layer and a second dielectric material layer. The conductive material layer has via portions and body portions located on the via portions. The first dielectric material layer is surrounding the via portions of the conductive material layer. The second dielectric material layer is disposed on the first dielectric material layer and surrounding the body portions of the conductive material layer, wherein a material of the second dielectric material layer is different than a material of the first dielectric material layer.

    Chuck Design and Method for Wafer
    10.
    发明申请

    公开(公告)号:US20240395595A1

    公开(公告)日:2024-11-28

    申请号:US18788481

    申请日:2024-07-30

    Abstract: An apparatus for securing a wafer includes a chuck, at least one O-ring disposed on the chuck, a vacuum system connected to the chuck, such that the vacuum system comprises a plurality of vacuum holes through the chuck connected to one or more vacuum pumps, and a controller configured to control the height of the at least one O-ring relative to the top surface of the chuck. The controller is connected to pressure sensors capable of detecting a vacuum. The at least one O-ring may include a plurality of O-rings.

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