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5.0 - 10.0 years
5 - 10 Lacs
Chennai, Kanchipuram
Work from Office
Job Description Job Title: Engineer / Senior Engineer Etching (NaOH Etching & IOX) Department: Engineering Role Overview We are seeking a highly skilled Engineer / Senior Engineer Etching to join our Engineering team. The role involves developing, optimizing, and maintaining precise wet and dry etch processes for silicon and dielectric materials in semiconductor, MEMS, or microfabrication environments. The ideal candidate will bring strong expertise in NaOH/KOH-based etching , anisotropic silicon etching, and advanced process control to ensure high yield, cost efficiency, and compliance with international standards. Key Responsibilities Develop, optimize, and maintain high-yield etching processes for crystalline silicon and dielectric materials (e.g., SiO, AlO, HfO, TaO, TiO). Perform anisotropic silicon etching profile simulation and handle wafer sizes (100 mm / 150 mm / 200 mm). Operate and maintain wet etching equipment (Quartz/Teflon tanks, temperature-controlled baths, DI rinsing, IPA drying) and dry etch tools (RIE/ICP systems: Oxford, SPTS, Plasma-Therm, Samco, etc.). Work with etch chemistries: NaOH, KOH, TMAH, BOE, BHF, HF vapor and dry chemistries (CF, CHF, SF, Ar/O). Utilize advanced metrology tools : SEM, AFM, profilometer, ellipsometer, FTIR, XPS. Collaborate with cross-functional teams (Quality, Production, and R&D) to drive Kaizen, Lean Manufacturing, cost savings, and manpower optimization . Conduct and document DOE (Design of Experiments), SPC (Statistical Process Control) , and process capability studies (Cp, Cpk). Monitor and improve key performance metrics: OEE, OPP, PPH, FTQ, CPC, scrap cost . Prepare and maintain Process Flow Diagrams (PFDs), PFMEA, SOPs, and Control Plans (CPs) . Support internal and external audits by ensuring traceability, calibration records, and ISO compliance. Drive continuous improvement initiatives to streamline production and enhance yield. Ensure compliance with ISO 9001 / ISO 14001 / ISO 45001 standards. Qualifications and Experience Bachelors degree in Chemical Engineering, Mechanical Engineering, Manufacturing Engineering, or related field. 5–10 years of experience in semiconductor, MEMS, photonics, or microfabrication environments. Proven expertise in NaOH/KOH-based etching and wet/dry etching of silicon and dielectric materials. Hands-on experience with anisotropic silicon etching and wafer process handling. Knowledge of process optimization, yield improvement techniques, and Lean Manufacturing principles . Strong understanding of statistical analysis (DOE, SPC) and process capability studies. Familiarity with ISO quality and safety standards applicable to semiconductor manufacturing. Excellent communication, problem-solving, and cross-functional collaboration skills . Key Skills NaOH/KOH Wet Etching, Anisotropic Silicon Etching Dry Etching (RIE/ICP Systems) Semiconductor Process Engineering & MEMS Fabrication DOE, SPC, OEE, Lean Manufacturing, Kaizen Process Flow Diagrams (PFD), PFMEA, SOPs, Control Plans Metrology Tools (SEM, AFM, FTIR, XPS, Ellipsometry) ISO 9001, ISO 14001, ISO 45001 Compliance
Posted 2 days ago
3.0 - 6.0 years
3 - 6 Lacs
Hyderabad
Work from Office
Role & responsibilities Prepare and Clean Parts for Etching: Follow process documents and instructions to properly clean and prepare parts for swab or immersion etching. Perform Etching Operations: Ensure consistency and precision in achieving the desired etch depth and uniformity across all parts. Conduct Inspections Using Calibrated Instruments: Inspect etched parts using calibrated tools to verify the etch depth, uniformity, and overall finish. Compare measurements with specifications and ensure all parts meet the required quality standards. Maintain and Monitor Chemical Bath Parameters: Continuously monitor chemical bath conditions to ensure they remain within specified limits. Take corrective actions if necessary to ensure optimal etching conditions. Make Up and Replenish Chemical Baths: Prepare and replenish chemical baths as per process requirements. Ensure that the chemical composition remains stable and within control limits for consistent performance. Report Deviations, Defects, or Non-Conforming Parts: Immediately report any deviations, defects, or non-conforming parts to the quality control or management team. Provide clear and precise information to help identify root causes and corrective actions. Stop Processing When Unsafe or Non-Compliant Conditions Are Detected: Cease etching operations if unsafe conditions are detected or if the parts do not conform to the required specifications. Prioritize safety and quality in all situations. Log Process Parameters and Inspection Data: Accurately log all relevant process parameters, including chemical bath compositions, time, temperature, and inspection results. Maintain detailed and organized records for traceability and quality assurance purposes. Ensure Proper Disposal of Chemical Waste: Follow safety protocols for the disposal of chemical waste, ensuring compliance with environmental regulations and Health, Safety, and Environmental (HSE) guidelines. Handle all chemicals safely to prevent environmental impact. Participate in Root Cause Analysis and Corrective Actions: In case of process failures or non-conforming products, actively participate in root cause analysis. Collaborate with the team to determine corrective actions and implement improvements to prevent recurrence of similar issues. Skills / Qualifications Diploma /ITI with minimum 4 years' experience with Aerospace Etching processes in an MRO / Manufacturing environment Proficiency in handling and maintaining chemical processing equipment Knowledge of process chemistry and chemical composition control Basic understanding of aerospace materials and components Ability to interpret technical drawings and specifications Strong focus on safety and process compliance Skilled in using inspection tools (micrometers, magnifiers, microscopes) Good communication and Computer literacy for documentation and reporting
Posted 2 weeks ago
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