Substrate & Media Applications

Media and Substrate Characterization

The AVT family of testers brings a new level of testing capability to the marketplace. Utilizing a Doppler vibrometer, the AVT is capable of measuring on different surfaces without changing recipes. This means that comparing the whole flow of the substrate through media can be measured to understand the influence of each process step. The newest AVT, the AVT-2000 has the capability to find defects upstream before the investment of plating or polish. Chemical and mechanical damage on the substrate level classically are not found until final test adding cost and complexity of tracking down the root cause. The AVT platform allows these measurements without painstaking correlation between sites as every AVT system measures the same with class leading repeatability.

Ground Aluminum Substrate

Measure waviness for R&D as well as Quality Control.  Find defects before they add cost to the process.

Nickel Plated Substrate

Measure waviness for R&D as well as Quality Control.  Understand the effects that plating has on the waviness of the surface.

Rough Ground Glass Substrate

With Polytec’s ultra high surface sensitivity measurements of waviness and early defect detection can be done on raw glass.

1st Polish Substrate

Optimize slurry choices and development with the capability to measure with the same settings before and after polish steps.

Finished Substrate

Ensure quality product for production and optimize process steps in R&D.

Silicon Wafer

Measure waviness for R&D as well as Quality Control.  Find defects before they add cost to the process.

Process Comparison

With the same measurement settings comparing the surfaces of glass and aluminum is now made possible.

Early Defect Detection

With the AVT’s unique capability not relying on scatter, the system is capable of finding mechanical and chemical damage to the surface before the investment of plating and polish steps.

Applications

Your Contact

US Sales & Service
Optical Metrology

Tel. 949-943-3033
info@polytec.com