Wet Etch Process Engineer

Job Description

Our client is launching a new business and establishing a new factory in Singapore. They are seeking an experienced Wet Etch Process Engineer to join their team and contribute to advanced packaging solutions.

【 Responsibilities 】
Process Development & Optimization
-Develop and optimize wet etching processes for substrate layers.
-Design experiments (DOE) to evaluate and improve critical etch parameters (e.g., etch rate, uniformity).
-Establish and maintain robust process windows for R&D and volume production.

Equipment & Materials Management
-Define equipment requirements and manage tool qualifications (e.g., acid/ultrasonic cleaning, wet benches).
-Monitor and maintain etching tool performance, chemistry concentration, and bath lifetime.
-Evaluate and select etchants, and chemistry blends suitable for advanced substrates.

Yield, Quality & Defect Control
-Identify and resolve etch...