简介:
Overview
A novel optical polishing process, called “Convergent Polishing”, enables faster and lower cost polishing of glass workpieces. This method achieves high surface quality in a single iteration without changing polishing parameters.
Key Study Components
Area of Science
- Optical polishing
- Material science
- Manufacturing processes
Background
- Traditional polishing methods require multiple iterations.
- Convergent polishing simplifies the polishing process.
- It aims to achieve excellent surface quality efficiently.
- Utilizes a specific septum weight for uniform results.
Purpose of Study
- To develop a faster polishing technique.
- To reduce costs associated with polishing glass workpieces.
- To achieve high surface quality in one iteration.
Methods Used
- Implementation of a polisher with advanced technologies.
- Preparation of a workpiece specific septum weight.
- Polishing under fixed parameters.
- Natural pressure renormalization process for convergence.
Main Results
- Achieved a 330 nanometer peak to valley surface figure.
- Polishing completed in one four-hour iteration.
- Consistent results with 265 millimeter square ground glass workpieces.
- Demonstrated advantages over conventional methods.
Conclusions
- Convergent polishing is more efficient than traditional methods.
- It allows for high-quality finishes in a single step.
- This method can significantly lower polishing costs.
What is Convergent Polishing?
Convergent Polishing is a novel optical polishing process that achieves high surface quality in a single iteration.
How does Convergent Polishing differ from traditional methods?
It simplifies the polishing process by eliminating the need for multiple iterations and adjustments.
What are the benefits of using Convergent Polishing?
The main benefits include faster polishing times, lower costs, and high-quality finishes.
What is the role of the septum weight in the process?
The septum weight compensates for pad wear and ensures uniform temperature and slurry distribution during polishing.
What results were achieved with this method?
The method achieved a 330 nanometer peak to valley surface figure in one four-hour polishing iteration.