Semiconductor device with thick bottom metal and preparation method thereof

US9087828B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9087828-B2
Application numberUS-201313797440-A
CountryUS
Kind codeB2
Filing dateMar 12, 2013
Priority dateMar 12, 2013
Publication dateJul 21, 2015
Grant dateJul 21, 2015

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  2. Abstract

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  5. First independent claim

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Abstract

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A semiconductor device with thick bottom metal comprises a semiconductor chip covered with a top plastic package layer at its front surface and a back metal layer at its back surface, the top plastic package layer surrounds sidewalls of the metal bumps with a top surface of the metal bumps exposing from the top plastic package layer, a die paddle for the semiconductor chip to mount thereon and a plastic package body.

First claim

Opening claim text (preview).

The invention claimed is: 1. A preparation method of a semiconductor device with a thick bottom metal comprises the following steps: providing a lead frame including a plurality of die paddles, wherein the adjacent die paddles are connected to each other by one or more connecting parts, each connecting part comprises a support part arranged at a back surface of the connecting part and extending along a direction away from the back surface, wherein bottom surfaces of all support pa…

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What does patent US9087828B2 cover?
A semiconductor device with thick bottom metal comprises a semiconductor chip covered with a top plastic package layer at its front surface and a back metal layer at its back surface, the top plastic package layer surrounds sidewalls of the metal bumps with a top surface of the metal bumps exposing from the top plastic package layer, a die paddle for the semiconductor chip to mount thereon and …
Who is the assignee on this patent?
Yilmaz Hamza, Xue Yan Xun, Lu Jun, and 4 more
What technology area does this patent fall under?
Primary CPC classification H10W40/778. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Jul 21 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).