发明授权
- 专利标题: Semiconductor wafer orientation device
- 专利标题(中): 半导体晶圆定位装置
-
申请号: US286916申请日: 1988-12-20
-
公开(公告)号: US5052886A公开(公告)日: 1991-10-01
- 发明人: Masayuki Moroi
- 申请人: Masayuki Moroi
- 申请人地址: TX Dallas
- 专利权人: Texas Instruments Incorporated
- 当前专利权人: Texas Instruments Incorporated
- 当前专利权人地址: TX Dallas
- 主分类号: H01L21/683
- IPC分类号: H01L21/683
摘要:
A device having a circled array of tapered motor driven rollers center and find the flat edge of a semiconductor wafer by rotating the wafer until the flat edge is over a photo cell, at which time finder rollers secure the wafer in its centered and orientated position.
公开/授权文献
- US06008149A Moldable composite article and method of manufacture 公开/授权日:1999-12-28
信息查询
IPC分类: