Handle Substrates for Composite Substrates for Semiconductors
US-2016046528-A1 · Feb 18, 2016 · US
Handle Substrate, Composite Substrate for Semiconductor, and Semiconductor Circuit Board and Method for Manufacturing the Same
US2016005643A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016005643-A1 |
| Application number | US-201514853011-A |
| Country | US |
| Kind code | A1 |
| Filing date | Sep 14, 2015 |
| Priority date | Dec 25, 2013 |
| Publication date | Jan 7, 2016 |
| Grant date | — |
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Abstract
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It is provided a handle substrate of a composite substrate for a semiconductor. The handle substrate is composed of a translucent polycrystalline alumina. A purity of alumina of the translucent polycrystalline alumina is 99.9% or higher, an average of a total forward light transmittance of the translucent polycrystalline alumina is 60% or higher in a wavelength range of 200 to 400 nm, and an average of a linear light transmittance of the translucent polycrystalline alumina is 15% or lower in a wavelength range of 200 to 400 nm.
First claim
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1 . A handle substrate of a composite substrate for a semiconductor, said handle substrate comprising a translucent polycrystalline alumina: wherein a purity of alumina of said translucent polycrystalline alumina is 99.9% or higher; wherein an average of a total forward light transmittance of said translucent polycrystalline alumina is 60% or higher in a wavelength range of 200 to 400 nm, and wherein an average of a linear light transmittance of said translucent polycrystalline alumina is 1…
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Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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- What does patent US2016005643A1 cover?
- It is provided a handle substrate of a composite substrate for a semiconductor. The handle substrate is composed of a translucent polycrystalline alumina. A purity of alumina of the translucent polycrystalline alumina is 99.9% or higher, an average of a total forward light transmittance of the translucent polycrystalline alumina is 60% or higher in a wavelength range of 200 to 400 nm, and an av…
- Who is the assignee on this patent?
- Ngk Insulators Ltd
- What technology area does this patent fall under?
- Primary CPC classification H10P90/1916. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Jan 07 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 4 related publications on this page (citations in our corpus or others sharing the same primary CPC).