用处的拼音专利名称：ALUMINA CERAMIC
发明人：IDA Makoto,ISHIDA Fumio,TERAISHI Yoshiaki,YAMASHITA Takuya
女性打呼噜的5大原因申请号：EP09773338.0
申请日：20090622
公开号：EP2292569B1
公开日：
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写成
20140416
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沟通的名言摘要：The invention provides an alumina ceramic containing a Ba0.808Al1.71Si2.29O8 pha. The alumina ceramic has high reflectivity and is uful as a reflecting material for a light emitting element. The alumina ceramic which exhibits an X-ray diffraction pattern having a ratio of the peak intensity at 29=43.3° to that at 22.5° of 0.5 to 2.5 has particularly high reflectivity. The alumina ceramic of the invention shows high reflectivity particularly at wavelengths ranging from 300 to 400 nm.
申请人：NIPPON CARBIDE KOGYO KK致遥远的你
地址：JP
国籍：JP
代理机构：Forstmeyer, Dietmar
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