Method and apparatus for use in wafer processing
US10186438B2 · kind B2 · utility
1Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2015 |
| Grant date | Jan 22, 2019 |
| Priority date | — |
| Expiry date | Nov 5, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L21/67092
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A method and an apparatus for use in processing a wafer are disclosed. In an embodiment the method includes providing a wafer on a receptacle, shining a light at an edge of the wafer and based on light that passed the edge of the wafer, processing the wafer on the receptacle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.