Invention Grant
- Patent Title: Material independent profiler
- Patent Title (中): 材料独立的分析仪
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Application No.: US11681129Application Date: 2007-03-01
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Publication No.: US07714995B2Publication Date: 2010-05-11
- Inventor: Steven W. Meeks
- Applicant: Steven W. Meeks
- Applicant Address: US CA Milpitas
- Assignee: KLA-Tencor Corporation
- Current Assignee: KLA-Tencor Corporation
- Current Assignee Address: US CA Milpitas
- Agency: Luedeka, Neely & Graham, P.C.
- Main IPC: G01N21/00
- IPC: G01N21/00

Abstract:
A material independent profiler system and method for measuring a slope on the surface of an object such as a thin film disk, a silicon wafer, or a glass substrate is disclosed. In one embodiment, the system comprises an electromagnetic energy source to generate a beam of electromagnetic energy, a polarizer to polarize the beam of electromagnetic energy into a first component having a first polarization orientation and a second component having a second polarization orientation, a radiation targeting assembly to direct the first component onto the surface in a first direction and a first plane of orientation, direct the second component onto the surface in a second direction and a second plane of orientation, wherein the second direction is opposite the first direction, a radiation detector assembly to generate a first signal from a portion of the first component reflected from the surface, generate a second signal from a portion of the second component reflected from the surface, and a processor to generate a surface measurement from the first signal and the second signal.
Public/Granted literature
- US20070153273A1 MATERIAL INDEPENDENT PROFILER Public/Granted day:2007-07-05
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