随着集成电路制造工艺不断进步,半导体器件的体积正变得越来越小,这也导致了非常微小的颗粒也变得足以影响半导体器件的制造和性能,槽式清洗工艺已经不能满足需求,单片式设备可以利用很少的药液达到槽式工艺不能达到的水准,因此单片式刻蚀、清洗设备开始在半导体制造过程中发挥越来越大的作用。
![你不知道的单片式清洗设备 你不知道的单片式清洗设备]()
↑ 单片式刻蚀清洗
在全自动单片清洗设备中,由于大而薄的硅片对夹紧力较为敏感,再加上硅片的翘曲率不同,因此对于硅片的抓取、传输提出了更高的要求。华林科纳研发的全自动单片式清洗设备采用伯努利非接触式抓取,不接触wafer,做到有效的传送,确保不破片。
什么是“伯努利原理”?
DANNIER·BONULI,SHIRUISHIWULIXUEJIA、SHUXUEJIA、YIXUEJIA,TASHIBONULIZHEIGESHUXUEJIAZUZHONGZUIJIECHUDEDAIBIAO。BONULICHENGGONGDELINGYUHENGUANG,CHULIUTIDONGLIXUEZHEIYIZHUYAOLINGYUWAI,HAIYOUTIANWENCELIANG、YINLI、XINGXINGDEBUGUIZEGUIDAO、CIXUE、HAIYANG、CHAOXIDENG。BONULIZAI1726NIANSHOUXIANTICHU:“ZAISHUILIUHUOQILIULI,RUGUOSUDUXIAO,YAQIANGJIUDA;RUGUOSUDUDA,YAQIANGJIUXIAO”。WOMENCHENGZHIWEI“BONULIYUANLI”。
![你不知道的单片式清洗设备 你不知道的单片式清洗设备]()
↑ 伯努利(Daniel Bernouli,1700~1782)
XIAOSHIHOUDEKETANGSHANG,ZUOGUOZHEIYANGDEXIAOSHIYAN。WOMENNAZHELIANGZHANGZHI,WANGLIANGZHANGZHIZHONGJIANCHUIQI,HUIFAXIANZHIBUDANBUHUIXIANGWAIPIAOQU,FANERHUIBEIYIZHONGLIJIYAZAILEYIQI。YINWEILIANGZHANGZHIZHONGJIANDEKONGQIBEIWOMENCHUIDELIUDONGDESUDUKUAI,YALIJIUXIAO,ERLIANGZHANGZHIWAIMIANDEKONGQIMEIYOULIUDONG,YALIJIUDA,SUOYIWAIMIANLILIANGDADEKONGQIJIUBALIANGZHANGZHI“YA”ZAILEYIQI。ZHEIJIUSHI“BONULIYUANLI”YUANLIDEJIANDANSHIFAN。
![你不知道的单片式清洗设备 你不知道的单片式清洗设备]()
Chuck的设计:伯努利非接触式抓取
ZAIDANPIANSHIQINGXISHEBEILI,SUIRANSHIYONGDESHIBONULIXIPAN,DANQIQUESHILIYONGCHUIZHENKONGBINGFEIXIZHENKONGLAISHIXIAN。DANGYASUOKONGQI(CDA)JINRUGONGJIANCHUIXIANGGUIPIAN,YOUYUANPANZHONGXINYANJINGXIANGXUNSUKUOSANCONGERSHIDEGUIPIANSHANGBUDEQILIUYUANGAOYUQIXIABU,GUIPIANTONGSHIBEIXIZHU。GENJUBONULITUILUNJILIUSUZENGJIA,YAQIANGJIANGDI,CISHIGUIPIANDIBUQIYADAYUQISHANGBUDEQIYA,YINERXIPANWUXUJIYADAOGUIPIANBIANKEJINXINGXIFU,DADAOZHUAQUDEMUDE。YASUOQITISHITONGGUOGONGJIANYUXIPANZHIJIANLIUYOUDEJIANXIPAICHU,JISHIGUIPIANBIAOMIANCUNZAITUQIDEZHAXIANYEBUNENGBAITUOBEIXIFU,RUOSHIYONGZHENKONGXIPANZEWUFAZUODAOZHEIYIDIAN(ZHAXIANCHUYILOUQI)。
![你不知道的单片式清洗设备 你不知道的单片式清洗设备]()
↑ 伯努利吸盘原理
总结下单片式清洗设备使用伯努利抓取的优点:
1、WUJIECHUSHIZHUAQU,BUHUIDUIwaferZAOCHENGSUNSHANG
2、JIECHUMIANJIDASHOULIJUNYUN,JIANGDISUIPIANLV
3、BOXINGwaferZHUAQU=100μm——700μm
4、BEIMIANYEKEZUOQINGXI,DADAOSHUANGMIANQINGXIXIAOGUO(SHUANGMIANSHIKEJIGOUKAIFAZHONG)
5、JINGJIANHUADESHEJI,YOUXIAOJIANDICHENGBENYURENGONGWEIXIUDEDANGJILV
6、SHIYONGSHOUMINGZHANG
![你不知道的单片式清洗设备 你不知道的单片式清洗设备]()
↑ 华林科纳 单片刻蚀机