Semiconductor structure including optical device and method for manufacturing the same
US-2024230996-A1 · Jul 11, 2024 · US
Optical-to-electrical converter unit and semiconductor light-receiving device
US8969989B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8969989-B2 |
| Application number | US-201414196409-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 4, 2014 |
| Priority date | Mar 4, 2013 |
| Publication date | Mar 3, 2015 |
| Grant date | Mar 3, 2015 |
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Abstract
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An optical-to-electrical converter unit includes a substrate having front and back surfaces; an original waveguide unit; and an optical-to-electrical converter. The optical-to-electrical converter includes a light-receiving element optically coupled to the optical waveguide unit; a capacitance element including first and second conductive layers and an insulating layer disposed between the first and second conductive layers; an electrode pad electrically connected to the light-receiving element; a back electrode formed on the back surface of the substrate; and a via electrode extending from the front surface to the back surface of the substrate. The optical waveguide unit, the light-receiving element, the capacitance element, and the electrode pad are formed on the front surface. The first conductive layer of the capacitance element is electrically connected to the light-receiving element and the electrode pad. The second conductive layer of the capacitance element is electrically connected to the back electrode through the via electrode.
First claim
Opening claim text (preview).
What is claimed is: 1. An optical-to-electrical converter unit comprising: a substrate having a front surface and a back surface; an optical waveguide unit; and at least one optical-to-electrical converter, wherein the optical-to-electrical converter includes: a light-receiving element including an optical absorption layer, a first electrode, and a second electrode, the light-receiving element being optically coupled to the optical waveguide unit; a capacitance element in…
Assignees
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Classifications
- H10F30/223Primary
Electricity · mapped topic
- H01L31/02327Primary
Electricity · mapped topic
Physics · mapped topic
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Frequently asked questions
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- What does patent US8969989B2 cover?
- An optical-to-electrical converter unit includes a substrate having front and back surfaces; an original waveguide unit; and an optical-to-electrical converter. The optical-to-electrical converter includes a light-receiving element optically coupled to the optical waveguide unit; a capacitance element including first and second conductive layers and an insulating layer disposed between the firs…
- Who is the assignee on this patent?
- Sumitomo Electric Industries, Sumitomo Electric Industries
- What technology area does this patent fall under?
- Primary CPC classification H10F30/223. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Mar 03 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).