RESUME
Louella Ona-Baltazar
3154 Oakgate Way
San Jose, California
Tel# (408)223-7899 cell# (408)826-9423
Email: Lonabaltaz[at]sbcglobal.net
PROCESS ENGINEER
- DEVELOPMENT and OPTIMIZATION OF WET PROCESSES
- TRANSFER PROCESS FROM R&D TO MANUFACTURING
- MANUFACTURING/LEAN MANUFACTURING
- ELIMINATE/REDUCE CONSTRAINTS AFFECTING YIELD AND PRODUCTIVITY
- SPECIFICATION DOCUMENTATION/TRAINING
- SIX SIGMA GREENBELT TRAINED
- FMEA, SPC, PROBLEM SOLVING, ROOT-CAUSE ANALYSIS
2005 – 2009
Perkinelmer Incorporated: Manufacturing Process Engineer
- Reduced reworks from >30% to < 10% in photolithography operation
- Developed coat process for high topography surface.
- Worked with Equipment engineers on equipment upgrades for increased productivity.
- Characterized coat and develop processes for reduced reworks and increased productivity.
- Tool owner for spin coaters on 500x500 mm glass substrate.
- Developed coat photo recipes of photolithography resist spinners for new products.
- Facilitate and coordinate Rework Reduction team projects composing cross functional groups.
- Set up documentation for In-line inspection and incoming materials.
- Developed, Implemented, and train on Inspection, procedures for production personnel.
- Problem Solving and Root-Cause analysis for yield fall-outs and productivity constraints such as soft defects, design defects, and process defects.
- Trouble shoot equipment problems affecting daily manufacturing operation.
- Apply FMEA, Problem-solving techniques, DOE, for process improvement, development and characterization of processes.
- Transfer of new processes and recipes from development to production.
- Completed training for Six Sigma Greenbelt level.
- Participated in Internal Audits for FDB, and ISO13485.
- Yield improvement projects by Data extraction from automated Work In Process system.
- Participated in 5S program for improved cycle time and reworks.
2000- 2005
Sipex Corporation: Staff Process Engineer
- Optimized and developed alternate alignment schemes for UTS aligners.
- Major contribution to over-all yield is reduction of reworks in photolithography from 50% to <10%
- New product Developed recipe coat process for submicron features.
- Develop new polymer clean process for submicron vias and contacts on metalized and non-metallized surfaces.
- Optimized wet etch process for oxide, nitride, and aluminum films for better step coverage over the slope.
- Process robustness with Characterization of adhesion process and tool.
- Optiimized wet organic stripper capacity on non-metallized surfaces
- Sustain and improvement of wet etching of non-metallized surfaces including oxide and nitirite substrates
- Maximize Silicon real estate by writing Die Layout using Ultratech Retman System for 6inch wafer processing.
- Qualify and Implement new photoresist for cost reduction and quality improvement
- Interface with suppliers for material benchmarking, quality audit, and process characterization.
- Photo engineer CMOS, Bipolar, BiCMOS processes using Ultratech steppers (1100 and 1500WAS), Nikon steppers,
- Perkin-Elmer aligners, SVG Coat Tracks, Nanometrics tools.
- Set-up In-line inspections and define criteria for pass/fail specifications.
- Interface with Quality, Equipment, and Production departments
1998-2000
Intarsia Corporation and Aptos Corporation: Sr. Process Engineer
- Principal engineer glass panel (400x350mm) substrate photo process for thick resist using MRS steppers, Silicon System spin tracks.
- Write Die layout for all devices for the MRS steppers.
- Set up and implemented quality control system for all incoming masks and in production.
- Wrote and defined pass/fail criteria for in-line production inspections.
- Performed tool sourcing inspection of MRS steppers
- Worked with production personnel in special projects to increase yield and productivity.
- Interface with Design Engineers for new products using MRS steppers.
1994 –1998
Texas Instruments: Sr. Process Engineer
- Sustain 0.8u BiCMOS and BiPolar photolithography processes using Canon G/I line steppers, DNS Tracks, and Jeol SEM CD tool.
- Set-up Total Productive Maintenance program across fab.
- Set-up criteria and inspection specifications for in-line reticle inspections.
- Monitor critical process steps such as polysilicon and contact/via cpk
- Use SPC and RS1 for process control and analysis.
- Set up and implemented mask management system to control quality of all production masks.
- Interaced with Supplier Quality personnel for yield improvement.
- Member of the Supplier Quality Assement Team to monitor reticles coming from mask vendors.
- Benchmarked across TI fabs on reticle management and set-up system for Sta. Cruz facility.
Education: B.A. Chemistry, University of South Florida, Tampa, Florida; 1980
NukeJobs is a nuclear jobs board that provides nuclear job seekers access to international directories of Nuclear Employers, Nuclear Resumes and Nuclear Jobs such as Nuclear Engineer Jobs, Nuclear Construction Jobs, Nuclear Power Plant Jobs, Nuclear Medicine Jobs, Nuclear Pharmacy Jobs, Nuclear Security Jobs, Nuclear Physics Jobs, Nuclear Reactor Jobs, Nuclear Material Jobs, Nuclear Safety Jobs, and Nuclear Waste Jobs.