Invention Grant
- Patent Title: Method for glob top encapsulation using molding tape with elevated sidewall
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Application No.: US17072569Application Date: 2020-10-16
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Publication No.: US11637024B2Publication Date: 2023-04-25
- Inventor: Wiwat Tanwongwan , Amornthep Saiyajitara , Nathapop Lappanitpullpol
- Applicant: NXP B.V.
- Applicant Address: NL Eindhoven
- Assignee: NXP B.V.
- Current Assignee: NXP B.V.
- Current Assignee Address: NL Eindhoven
- Main IPC: H01L21/56
- IPC: H01L21/56 ; H01L23/31 ; H01L23/495 ; G06K19/077 ; H01L23/498 ; H01L21/48

Abstract:
A lead frame used to assemble a semiconductor device, such as a smart card, has a first major surface including exposed leads and a second major surface including a die receiving area and one or more connection pads surrounding the die receiving area. The connection pads enable electrical connection of an Integrated Circuit (IC) die to the exposed leads. A molding tape sized and shaped like the lead frame is adhered to and covers the second major surface of the lead frame. The molding tape has a die receiving area cut-out that exposes the die receiving area and the connection pads on the second major surface of the lead frame and forms a cavity for receiving an encapsulant. The cut-out has an elevated sidewall for retaining the encapsulant within the cavity.
Public/Granted literature
- US20210035820A1 GLOB TOP ENCAPSULATION USING MOLDING TAPE Public/Granted day:2021-02-04
Information query
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