Process Engineer–Wet and Dry Etch

Avicena; Sunnyvale (CA); On-site; USD 150,000 - 210,000; Full time

Job summary

Avicena in Sunnyvale, CA is seeking a Process Engineer–Wet and Dry Etch to own and optimize wet/dry etch processes, manage bath chemistry, and drive process improvements. You will work with ICP tools and metrology to ensure production specifications are met.

The role requires hands-on plasma and wet etch experience, strong documentation practices, and the ability to present complex engineering issues to senior staff. Cleanroom work attire and safety are required.

Qualifications

• MS or PhD in Chemical Engineering, Materials Science, Electrical Engineering or related field.
• 5+ years of related industrial experience.
• Hands-on experience with plasma etch and wet processes.
• Extremely organized, data-driven, and detail-oriented, with a strong desire to maintain thorough documentation.
• Ability to identify, troubleshoot, and communicate significantly complex engineering problems through documentation and regular presentations to senior and executive staff members.
• Familiarity with health and safety regulations in a cleanroom environment.
• Prior experience of wafer fab processes.
• Work in a cleanroom in full gowning for extended periods.

Responsibilities

• Own wet and dry etch processes on the acid/solvent benches and ICP tools.
• Control bath chemistry, temperature, concentration and bath life.
• Drive process control through SPC. Make sure equipment and processes are in spec for production.
• Characterize etch rate, uniformity and selectivity.
• Own lift off process including wafer level and custom substrate level.
• Identify areas of improvement to reduce cycle time and process consistency.
• Work closely with integration and other process engineers to develop new processes based on the requirements.
• Characterize processes and components using semiconductor metrology tools, profilometers, interferometers, SEM, electrical testers and optical testers.

Skills

Plasma etch experience

Wet etch experience

Process control

Documentation rigor

Data-driven

Education

MS or PhD in Chemical Engineering, Materials Science, Electrical Engineering or related field

Tools

Semiconductor metrology tools

Profilometers

Interferometers

SEM

Electrical testers

Optical testers

Job description

This is a hands-on position in a very fast-paced environment. You will own wet and dry etch process, acid and solvent benches and ICP tools. You will develop, sustain and improve wet and dry etch, clean and lift off processes.

Job Title

Process Engineer–Wet and Dry Etch

Avicena

Location: Sunnyvale, CA, US

Responsibilities

• Own wet and dry etch processes on the acid/solvent benches and ICP tools.
• Control bath chemistry, temperature, concentration and bath life.
• Drive process control through SPC. Make sure equipment and processes are in spec for production.
• Characterize etch rate, uniformity and selectivity.
• Own lift off process including wafer level and custom substrate level.
• Identify areas of improvement to reduce cycle time and process consistency.
• Work closely with integration and other process engineers to develop new processes based on the requirements.
• Characterize processes and components using semiconductor metrology tools, profilometers, interferometers, SEM, electrical testers and optical testers.

Qualifications

• MS or PhD in Chemical Engineering, Materials Science, Electrical Engineering or a related field.
• 5+ years of related industrial experience.
• Hands-on experience with plasma etch and wet processes.
• Extremely organized, data-driven, and detail-oriented, with a strong desire to maintain thorough documentation and a baseline.
• Ability to identify, troubleshoot, and communicate significantly complex engineering problems through documentation and regular presentations to senior and executive staff members.
• Familiarity with health and safety regulations in a cleanroom environment.
• Prior experience of wafer fab processes.
• Work in a cleanroom in full gowning for extended periods.