Semiconductor devices and methods of manufacturing
US-12166025-B2 · Dec 10, 2024 · US
Enhanced WLP for superior temp cycling, drop test and high current applications
US9099345B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9099345-B2 |
| Application number | US-201213608555-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 10, 2012 |
| Priority date | Mar 17, 2010 |
| Publication date | Aug 4, 2015 |
| Grant date | Aug 4, 2015 |
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- Title
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Abstract
Official abstract text for this publication.
A WLP device is provided with a flange shaped UBM or an embedded partial solder ball UBM on top of a copper post style circuit connection.
First claim
Opening claim text (preview).
What is claimed is: 1. A wafer level package (WLP) bump structure comprising: a copper pillar extending perpendicularly a first distance from a fabricated WLP silicon surface, the copper pillar comprising pillar sides and a distal portion that is distal from the fabricated WLP silicon surface, the distal portion comprising a copper surface; an encapsulant about the pillar sides and substantially covering the fabricated WLP silicon surface, the copper surface being recessed a fir…
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Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US9099345B2 cover?
- A WLP device is provided with a flange shaped UBM or an embedded partial solder ball UBM on top of a copper post style circuit connection.
- Who is the assignee on this patent?
- Alvarado Rey, Wang Tie, Samoilov Arkadii, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification H10W72/20. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Aug 04 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).