SALVACION A. TUMANGAN
47055 Yucatan Drive
Fremont, CA. 94539
(408) 386-4047 - Mobile
(510) 677-1668 - Mobile
stumangan@yahoo.com - Email Address

OBJECTIVE:

Experienced hi-tech production operator/technician is seeking a challenging growth-oriented position in manufacturing/clean room environment.

EXPERIENCE SUMMARY:

Has over nine years of experience as cross-trained operator/technician on complex machine to create substrates for the semiconductor industry in a clean room environment. Responsible for highest quality products, full documentation, testing, cleaning and final inspection. Ample knowledge in material handling, expediting and assembly. Very conscientious, definitely a team player.

WORK HISTORY

February 2007 - Present QUALITY ASSURANCE TECHNICIAN
Impax Laboratories
Hayward, CA

Perform in-process testing and AQL attribute inspection. Approves processing room. Conducts GMP inspections and maintain files. Swab equipment. Verifies data entries on quality record. Monitors equipment/instrumentation.

March 2005 - Nov. 2006 EPI OPERATOR/TECHNICIAN
Ultimate Staffing Services/Philips Lumileds
Trimble Rd., San Jose, CA

Operates RD3, RD4 and B8 reactors for Research and Development, that grows Ingan epi layer on sapphire substrates used in lighting as per specification. Operates Etcher Reactors and Phosphoric sink that cleans parts and substrates used for Aixtron
Reactors. Characterization of wafers after the process. Check wafers visually and under the microscope for any surface defects.

Sept. 2005 - Dec. 2005 DEVICE MATERIAL TECHNICIAN
Kelly Services/Western Digital
Fremont, CA

Measured wafers using Tegal and Nano Spec. Entered tracked data at VSS and Workstream. Calibrate machines used in Lumina Etch. Coordinate with Chemical Technician for chemical change. Etched wafers according to work instructions and specification.

March 2004 - March 205 LINE LEAD
Banta Global Turnkey
Fremont, CA

Leads a team of assembly operators in building boxes, subassemblies, kits as per work instructions and procedures. Coordinate the activities of production assembly workers.
Inspect products to verify conformance to specifications and directs set up and adjustments of machines. Analyzes work problems and elevates situation to the appropriate supervisor. Maintain time and production record. Ensures that all aspects of the Quality Policy and Objectives are understood and enacted.

January 1995 - May 2002 SENIOR MATERIAL PROCESSOR
Sumitomo Sitix Silicon/Sumco USA
Fremont, CA

Obtains silicon wafers and processes them according to specification. Monitors performance of reactors in accordance with process instructions, checking temperatures, gas flow rates, pressure reading as required. Maintains appropriate records using the MESA tracking system and SPC. Provides machine trouble shooting, thickness and resistivity tuning. Prepares project reports and maintain basic summaries including identification of wafers against specification. Visually inspect wafers under UV sena light, checking for surface defects. Trained operators on diverse production tasks, procedures and specification.

EDUCATION AND SPECIAL TRAINING

Bachelor of Science in Business Administration
Philippine Women’s University
Manila, Philippines

Reactor Operation I and II, ASM, Aixtron and Etcher Reactors
SPC and MESA Tracking system, VSS data entry and Workstream Operation
Surface Inspection, SMS Cleaning Machine Operation
Operation of HgCV I and II, Wafer Scrubber and Cybec Machine Operation
Prometrix 4Pt. Probe Operation and Calibration, Nanospec 8000 Series Operation
Uniformity and Surface Trouble Shooting, Tegal Process and Operation
ADE 9350 and 9300 Operation, Data Download and Monitoring
Spreading Resistance Probe Operation and Routine Monitoring of Surfscan
Reactor Thickness and Resistivity Tuning
ISO 9000 and 9100, QS 9000
Windows 98, 2000 and Word Excel

REFERENCES : Available upon request