Senior Process Engineer Wet Etch
Senior Process Engineer Wet Etch
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Not Disclosed
Salary Not Disclosed
1 Vacancy
Job Description
Primary Duties & Responsibilities
- Develop and optimize wet etch processes for VCSELs photodiodes and edgeemitting lasers (EMLs) on GaAs and InP substrates.
- Define and control etch chemistry etch rate isotropic vs. anisotropic etching selectivity and undercut management to meet stringent device performance criteria.
- Utilize metrology tools such as AFM SEM ellipsometry profilometry XPS XRD and optical interferometry for process characterization and defect analysis.
- Troubleshoot etch process deviations material compatibility issues and surface roughness effects implementing corrective actions to ensure high device yield and process stability.
- Work closely with device engineers and integration teams to integrate wet etch processes into the overall semiconductor fabrication flow.
- Establish and maintain Statistical Process Control (SPC) methodologies for process monitoring and continuous improvement.
- Evaluate and qualify new wet etch chemistries process automation techniques and etch equipment to enhance process capabilities.
- Develop and document etch process recipes SOPs failure analysis reports and best practices for knowledge sharing and training.
- Mentor junior engineers and provide technical leadership in wet etch process development for optoelectronic applications.
Education & Experience
- Bachelors Masters or Ph.D. in Materials Science Electrical Engineering Chemical Engineering Physics or a related field.
- 10 years of handson experience in semiconductor wet etch process development particularly for GaAs and InPbased optoelectronic devices.
- Strong expertise in wet etch chemistry selectivity optimization surface roughness control and etch stop layers.
- Handson experience with metrology techniques such as SEM AFM ellipsometry profilometry XPS and XRD for process verification and defect analysis.
- Deep understanding of etching challenges for VCSELs photodiodes and edgeemitting lasers (EMLs) including precise mesa formation sidewall passivation and optical performance impact.
- Proficiency in SPC (Statistical Process Control) DOE (Design of Experiments) and datadriven process optimization.
- Ability to work in a cleanroom environment and collaborate with crossfunctional teams including device engineers production teams and R&D groups.
Skills
- Experience in highvolume semiconductor manufacturing or advanced R&D prototyping for optoelectronic devices.
- Familiarity with chemical safety fume hood operations and waste disposal protocols for semiconductor wet etch processing.
- Familiarity with automation (SECS/GEM) scripting or AIdriven process control including FDC (Fault Detection and Classification) and APC (Advanced Process Control)
- Demonstrated leadership in technical project management process transfers and mentoring junior engineers.
Working Conditions
- Will be exposed to areas where hand tools and power tools are being operated
- Will be exposed to areas where hazardous chemicals or gases are stored
- Ability to work in a cleanroom environment per semiconductor protocol/requirements
Physical Requirements
- Work in a class 100/1000 clean room for extended periods
- Wear full cleanroom attire (smock mask etc.
- Work with and/or around chemicals (such as solids and acids)
- Stand for up to 4 hours at a time
- Lift up to 1630 Pounds
- Push/Pull up to 1630 pounds
- Sit for up to 4 hours at a time
Safety Requirements
All employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.
Quality and Environmental Responsibilities
Depending on location this position may be responsible for the and maintenance of the ISOand/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.
CultureCommitment
Ensure adherence to companys values (ICARE) in all aspects of your position at Coherent Corp.:
Integrity Create an Environment of Trust
Collaboration Innovate Through the Sharing of Ideas
Accountability Own the Process and the Outcome
Respect Recognize the Value in Everyone
Enthusiasm Find a Sense of Purpose in Work
Coherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex gender identity sexual orientation race color religion national origin disability protected Veteran status age or any other characteristic protected by law.
If you need assistance or an accommodation due to a disability you may contact us at .
Required Experience:
Senior IC
Employment Type
Full-Time
