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蓝宝石单晶材料生长及退火工艺

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蓝宝石单晶材料生长及退火工艺

发布日期:2019-06-04 00:00 来源:http://chumies.com 点击:

YI、LANBAOSHIJINGTISHENGZHANG

低成本、高质量地生长大尺寸蓝宝石单晶材料已成为当前面临的迫切任务。总体说来,蓝宝石晶体生长方式可划分为溶液生长、熔体生长、气相生长三种,其中熔体生长方式因具有生长速率快,纯度高和晶体完整性好等特点,而成为是制备大尺寸和特定形状晶体的常用的晶体生长方式。目前可用来以熔体生长方式人工生长蓝宝石晶体的方法主要有焰熔法、提拉法、区熔法、导模法、坩埚移动法、热交换法、温度梯度法、泡生法等。而泡生法工艺生长的蓝宝石晶体约为目前市场份额的70%。LED蓝宝石衬底晶体技术正属于一个处于正在发展阶段,由于晶体生长技术的保密性,其多数晶体生长设备都是根据客户要求按照工艺特点定做,或者采用其他晶体生长设备改造而成。

PAOSHENGFASHIKyropoulosYU1926NIANSHOUXIANTICHUBINGYONGYUJINGTIDESHENGZHANG,CIHOUXIANGDANGZHANGDEYIDUANSHIJIANNEI,GAIFANGFADOUSHIYONGYUDACHICUNLUZUJINGTI、QINGYANGHUAWUHETANSUANYANDENGJINGTIDEZHIBEIYUYANJIU。SHANGSHIJILIUQISHINIANDAI,JINGQIANSULIANDEMusatovGAIJIN,JIANGCIFANGFAYINGYONGYULANBAOSHIDANJINGDEZHIBEI。GAIFANGFASHENGZHANGDEDANJING,WAIXINGTONGCHANGWEILIXING,JINGTIZHIJINGKEYISHENGZHANGDAOBIGANGUONEIJINGXIAO10~30mmDECHICUN。QIYUANLIYUCHAISHILAJINGFA(Czochralski method)LEISI,XIANJIANGYUANLIAOJIAREZHIRONGDIANHOURONGHUAXINGCHENGRONGTANG,ZAIYIDANJINGZHIJINGZHONG(Seed Crystal,YOUCHENGZIJINGBANG)JIECHUDAORONGTANGBIAOMIAN,ZAIJINGZHONGYURONGTANGDEGUYEJIEMIANSHANGKAISHISHENGZHANGHEJINGZHONGXIANGTONGJINGTIJIEGOUDEDANJING,JINGZHONGYIJIHUANMANDESUDUWANGSHANGLASHENG,DANZAIJINGZHONGWANGSHANGLAJINGYIDUANSHIJIANYIXINGCHENGJINGJING,DAIRONGTANGYUJINGZHONGJIEMIANDENINGGUSULVWENDINGHOU,JINGZHONGBIANBUZAILASHENG,YEMEIYOUZUOXUANZHUAN,JINYIKONGZHILENGQUESULVFANGSHILAISHIDANJINGCONGSHANGFANGZHUJIANWANGXIANINGGU,HOUNINGGUCHENGYIZHENGGEDANJINGJINGDING,XIATUJIWEIPAOSHENGFA(Kyropoulos method)DEYUANLISHIYITU。PAOSHENGFASHILIYONGWENDUKONGZHILAISHENGZHANGJINGTI,TAYUCHAISHILAJINGFADADECHAYISHIZHILACHUJINGJING,JINGSHENBUFENSHIKAOZHEWENDUBIANHUALAISHENGZHANG,SHAOLELASHENGJIXUANZHUANDEGANRAO,BIJIAOHAOKONGZHIZHICHENG,BINGZAILAJINGJINGDETONGSHI,DIAOZHENGJIAREQIGONGLV,SHIRONGRONGDEYUANLIAODADAOHESHIDEZHANGJINGWENDUFANWEI,RANGSHENGZHANGSUDUDADAOLIXIANGHUA,YINERZHANGCHUPINZHILIXIANGDELANBAOSHIDANJINGCAILIAO。


GAIFANGFAZHUYAOTEDIAN:


1、ZAIZHENGGEJINGTISHENGZHANGGUOCHENGZHONG,JINGTIBUBEITICHUGANGUO,RENGCHUYUREQU。ZHEIYANGJIUKEYIKONGZHITADELENGQUESUDU,JIANXIAOREYINGLI;

2、JINGTISHENGZHANGSHI,GUYEJIEMIANCHUYURONGTIBAOWEIZHIZHONG。ZHEIYANGRONGTIBIAOMIANDEWENDURAODONGHEJIXIERAODONGZAIDAODAGUYEJIEMIANYIQIANKEBEIRONGTIJIANXIAOYIZHIXIAOCHU;

3、XUANYONGRUANSHUIZUOWEIREJIAOHUANQINEIDEGONGZUOLIUTI,XIANGDUIYULIYONGHAIQIZUOLENGQUEJIDEREJIAOHUANFAKEYIYOUXIAOJIANGDISHIYANCHENGBEN;

滚球体育4、JINGTISHENGZHANGGUOCHENGZHONGCUNZAIJINGTIDEYIDONGHEZHUANDONG,RONGYISHOUDAOJIXIEZHENDONGYINGXIANG。

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