BOE Wet Etch Process Owner – Patterning & Yield Optimizer

STMICROELECTRONICS PTE LTD; Singapore; On-site; SGD 70,000 - 100,000; Full time

Job summary

STMicroelectronics PTE LTD in Singapore seeks a motivated BOE Wafer Process Owner to own and optimize the Buffered Oxide Etch (BOE) process used in wafer patterning and oxide opening. You will ensure precise, uniform oxide removal to support accurate pattern transfer and high device yield.

You will work with lithography, etch, integration, yield, and quality teams to maintain process stability, troubleshoot excursions, and drive continuous improvement in a dynamic semiconductor manufacturing

Qualifications

• Bachelor's or Master's degree in Chemical Engineering, Materials Science, Chemistry, Physics, or a related field.
• At least 2 years experience in semiconductor wet processing, oxide etch, or pattern transfer applications.
• Strong understanding of BOE chemistry, wet etch behavior, and process control.
• Experience with root cause analysis, SPC, and DOE methodologies.
• Ability to work effectively in a cross-functional manufacturing environment.
• Strong analytical, communication, and problem-solving skills.

Responsibilities

• Own and optimize the BOE wet etch process used in wafer patterning and oxide opening applications.
• Collaborate with lithography, etch, integration, yield, and manufacturing teams to maintain process stability and drive continuous improvement.
• Support process characterization, qualification, and continuous improvement activities.
• Collaborate with cross-functional teams to resolve process issues and monitor SPC.
• Conduct root cause analysis for excursions, yield loss, and defectivity concerns.
• Support SPC monitoring, process capability improvement, and change control activities.
• Qualify new chemistries, equipment changes, and recipe updates as needed.
• Support technology transfers and new product introductions.

Skills

2+ years semiconductor wet processing

BOE chemistry knowledge

Root cause analysis

SPC and DOE methodologies

Cross-functional manufacturing

Analytical and communication skills

Education

Bachelor's or Master's in Chemical Engineering / Materials Science / Chemistry / Physics

Job description

STMicroelectronics PTE LTD in Singapore seeks a motivated BOE Wafer Process Owner to own and optimize the Buffered Oxide Etch (BOE) process used in wafer patterning and oxide opening. You will ensure precise, uniform oxide removal to support accurate pattern transfer and high device yield.

You will work with lithography, etch, integration, yield, and quality teams to maintain process stability, troubleshoot excursions, and drive continuous improvement in a dynamic semiconductor manufacturing