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Handle substrate, composite substrate for semiconductor, and semiconductor circuit board and method for manufacturing the same
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.
Handle substrate, composite substrate for semiconductor, and semiconductor circuit board and method for manufacturing the same
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.
Handle substrate, composite substrate for semiconductor, and semiconductor circuit board and method for manufacturing the same
MIYAZAWA SUGIO (Autor:in) / IWASAKI YASUNORI (Autor:in) / TAKAGAKI TATSURO (Autor:in) / IDE AKIYOSHI (Autor:in) / NAKANISHI HIROKAZU (Autor:in)
23.08.2016
Patent
Elektronische Ressource
Englisch
IPC:
H01L
Halbleiterbauelemente
,
SEMICONDUCTOR DEVICES
/
C01F
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
,
Verbindungen der Metalle Beryllium, Magnesium, Aluminium, Calcium, Strontium, Barium, Radium, Thorium oder der Seltenen Erden
/
C04B
Kalk
,
LIME
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