2025 ~

Module refactoring

Brand New Process Controller Prototyping

2023 ~

WVG (Wafer Vapor Generator) Control System Development

- Developer: Taeung Ha
- Actual time for development: about 3 months
- Contribution rate: 100%
- Technologies used: Codesys, Mathematics, Control Engineering Thesis

Legacy Control System Maintenance

* Control Zone Temperature Uniformity Improvement.
  - Feasibility check by logic development & tool test. #### Remastering phase 1.5 (drop)
* Modularization.
* Newer Automation System Platform Designing & Implementing.

2021 ~ 2023

System requirement collection.

Gathered system requirements from scratch as little documentation remained for the legacy system.

Organizational Support and Legacy Integration.

My focus was on supporting the organization’s growth and applying specific customer requirements to the legacy infrastructure.