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    LASER RECOVERY OF A CORE LAYER OF A TEMPORARY CARRIER STRUCTURE
    1.
    发明公开
    LASER RECOVERY OF A CORE LAYER OF A TEMPORARY CARRIER STRUCTURE 审中-公开

    公开(公告)号：US20240332396A1

    公开(公告)日：2024-10-03

    申请号：US18194199

    申请日：2023-03-31

    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.

    Inventor： Chi-Ming CHEN ,  Chia-Shiung TSAI ,  Eugene CHEN ,  Chung-Yuan LI

    IPC: H01L29/66 ,  B32B43/00

    CPC classification number: H01L29/66462 ,  B32B43/006 ,  B32B2310/0843

    Abstract: Some implementations described herein provide a temporary carrier structure and techniques to form a semiconductor device on the temporary carrier structure. The temporary carrier structure includes a core layer formed from a material having a first bandgap lattice constant. The temporary carrier structure further includes a debonding layer formed from another material having a second bandgap energy constant that is lesser relative to the first bandgap lattice constant. Techniques to form the semiconductor device including a forming substrate layer of the semiconductor device on the temporary carrier structure, where a material of the substrate layer and the material of the core layer have a same approximate coefficient of thermal expansion. The techniques further include providing energy (e.g., electromagnetic waves from a laser source) to the debonding layer to remove the core layer from the temporary carrier structure.

    TRANSFER DEVICE AND TRANSFER SUBSTRATE
    7.
    发明公开
    TRANSFER DEVICE AND TRANSFER SUBSTRATE 审中-公开

    公开(公告)号：US20230360936A1

    公开(公告)日：2023-11-09

    申请号：US18355484

    申请日：2023-07-20

    Applicant: TORAY ENGINEERING CO., LTD.

    Inventor： Koichi KAZAMA ,  Yoshiyuki ARAI ,  Jun INAGAKI

    IPC: H01L21/67 ,  B32B43/00 ,  B23K26/57 ,  B23K26/067

    CPC classification number: H01L21/67144 ,  B32B43/006 ,  B23K26/57 ,  B23K26/067 ,  B32B2310/0843

    Abstract: A transfer device is provided that comprises a transfer substrate holding unit, a receiving substrate holding unit, and an active energy ray irradiation unit. The transfer substrate holding unit holds a transfer substrate with an ablation layer on which at least one element is held. The receiving substrate holding unit holds a receiving substrate such that the ablation layer of the transfer substrate is opposite the receiving substrate. The active energy ray irradiation unit irradiates the ablation layer of the transfer substrate with an active energy ray to cause ablation for transferring the at least one element held by the ablation layer from the transfer substrate to the receiving substrate. The active energy ray irradiation unit irradiates the ablation layer with the active energy ray at a plurality of locations in a holding region of the ablation layer that holds one of the at least one element.

    LAMINATED GLAZING
    9.
    发明公开
    LAMINATED GLAZING 审中-公开

    公开(公告)号：US20230142784A1

    公开(公告)日：2023-05-11

    申请号：US17910701

    申请日：2021-03-12

    Applicant: Pilkington Group Limited

    Inventor： Peter PAULUS ,  Tomasz TELEGA

    IPC: B32B17/10 ,  B32B7/12

    CPC classification number: B32B17/10036 ,  B32B7/12 ,  B32B17/10146 ,  B32B2250/02 ,  B32B2307/414 ,  B32B2307/538 ,  B32B2310/0843 ,  B32B2605/00

    Abstract: A laminated glazing for a vehicle windscreen comprising first and second sheets of glazing material joined by a sheet of adhesive interlayer material is described. The laminated glazing has an outer facing surface and an inner facing surface comprising a first treated region that has been subjected to a roughening process such that before the roughening process the first treated region has a first surface roughness and after the roughening process the first treated region has a second surface roughness. The first treated region having the second surface roughness helps the laminated glazing break when subject to an impact on the outer facing surface. Use of a roughened region to reduce the time taken for a laminated glazing to break upon being impacted by an impactor is also described.

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