Senior Systems A Team
Resume:
Aristotle M. Marcos
Santa Clara, CA 95051
*******@*****.***
Objective
Obtaining a position within a leading company, where my skills and determination can be beneficial in delivering excellence in performance to customers
ASML Corporation (Aug 22, 2022 to Present)
Senior Systems Integrated Engineer
A.MBI (Multi-Beams) E-Scan 1100 SEM
-Worked with system integrate team to integrate proto type E-beam inspection machines
oLearned and applied new information or skills.
oRead and interpret data, information and documents.
-Executed and maintained integration plan
oCommit to customer satisfaction through prioritization, quality, efficiency and professionalism.
oMaintain strong customer relationship and focus.
-Intake machine time claim
oComplete assignments with attention to detail and high degree of accuracy.
oPerform effectively in a demanding environment with changing workloads and dealines.
-Updated machine plan
oDemonstrated ownership and accountability.
oEstablish cooperative working relationships with manager, coworkers and customers.
-Prepared for execution
oWork independently as part of a team.
oFollow through on assignments with minimal supervision.
-Executed claims on machine
oWork accordingly to a strict set of procedures within the provided timelines.
oReported project status
-Maintained hardware and software configuration
oIdentifies bottlenecks and drive improvements.
-Managed issues and handled machine issues
oWork accordingly to a strict set of procedures within the provided timelines.
Lam Research Corp. (Oct 19, 2020 to August 19, 2022)
Engineering Technician 4
A.DNS FC3100 WetClean
-Regularly monitored each chemical tanks for current concentration. Chemical exchange process done weekly.
oBHF (DIW:BHF:HF = 45:0:1) = monitored the HF concentration near 0.1130 wt%. Calibrated HF Horiba unit when needed.
oSC1 (DIW:NH4OH:H202 = 147:1:4) = maintained the concentration of NH4OHrelatively close to 0.2050 wt%, and H202 to 1.0050 wt%.
oSPM (H2SO4:H202 = 10:1) = verified the concentration of H2SO4 is near to 87.200 wt%, and H2O2 to 0.2000 wt%.
-Performed preventative maintenance.
oTroubleshooting Horiba concentration monitors on all three tanks for functionality
oUpdated drivers of the transfer robots when initialization would not complete.
oMonitored tank temperatures, resistivity, and concentration value in specs.
oFinding root cause of failure that causes alarms and avoiding unnecessary parts replacement.
-Processed production and test wafers
oRun customer's production and demo wafers using specific recipes.
oUpdated drivers of the robots when initialization would not complete.
oRetrieved incomplete process wafers using a remote controller pad.
B.SP305 WetClean
-Provided support to engineers and technicians in processing production and test wafers.
oUpdated recipe with the correct temperature for processing wafers.
oAnalyzed graphs to complete reworkon wafers that were not completed.
oChecked recipe for individual steps and total time of completion
oExamined root cause of any inconsistent results after cleaning.
-Performed preventative maintenance
oReplaced drain pumps, sensors of chemical tanks when needed.
oPeriodically monitored level of chemical drums, HF, NH4OH, H202.
oMaintained PMON and VP-ICPMS weekly results in specs, and provided a monthly SPC report in a WetClean team.
oRepaired chemical cabinet controllers with corrupted files used for SP305, IWB and EOS.
C.Supporting other groups bringing up their tools running
a.Assisted a tool engineer in determining the root cause of low vacuum reading in the TPD specimen chamber (SEM), and restoring the tool in the up running state in a timely manner.
b.Repaired columns ofTD100-xr GC MS system to improve SPC results.
D.Periodically check Wetbench tool for correct HF concentration, and verify that the Wetlab is cleaned.
a.Inspected for all chemicals are stored in the correct cabinet.
b.Maintained working table clean at all times.
E.Maintained parts of the IWB, EOS, and SP305 organized.
oAssisted tool owners in ordering parts from the original manufacturer.
oInventoried necessary parts needed for tools maintenance.
oRegularly checked the drum level of chemicals, and sent a request to a vendor to replace drum when it reaches below 10L.
Canon USA, Inc. (Jan, 01 2013 to June 11, 2020)
Cleanroom Technician
F.DNS 80B Track for coating, developing, and strip wafers
-Regularly calibrated resists used in testing Canon’s lithography machines. Calibration is done per bottle change, any electrical shutdown, and bi-weeks basis.
oPfi-38a = iline machine with 350nm lines (iZa, i4, i5, iZ). Thickness of 10950A, range of less than 25A
oJSR m484JE (thickness of 3450A), and JSR m484JE (3450A) with AR3 (800A) = stepper machines (ES6a, ES3), range of less than 25A
oIp3250 = iline machine (i4 and i5)
oImproved process by setting develop recipe in manufacturer’s recommendation.
-Performed preventative maintenance
oMaintained AC system, including humidity and temperature, temperature controllers in good running condition.
oCleaned spin cups, nozzle tips weekly.
oFixed for any water leaks caused by the AC system.
G.Hitachi SEM S-9380 Version II
-Provided support to engineers in testing the lens of the lithography machines
oPrecisely calibrated SEM prior to lens testing of iline and stepper machines.
oProficient in writing the recipe jobs at any layouts given by the engineers for testing.
oRun the recipe jobs ranging from measuring ISO, dense, COMA at a given line target (350nm for iline; 110nm, 120nm, 130nm for stepper) precisely.
-Performed preventative maintenance
oReplaced scroll pumps for the specimen and loadlock chamber yearly.
oCalibrated SEM for precise measurement.
H.KLA Archer for box-in-box measurement
oWrote recipe jobs for lens testing, and check standard test.
oChecked calibration for optinum performance.
I. Responsible for tools and parts inventory, shipping tools to coworkers for machine installation at the customer’s site or in the cleanroom in a timely manner
a.Sent reminders to requestors for any outstanding tools.
b.Organized the warehouse for tools easy access.
J.Maintained monthly chemical inventory, hazardous weekly check, cleanroom supplies.
oSent out used coated wafers for cleaning
oMaintained that the hazardous area is cleaned, weekly check at all times to pass by the city inspection.
K.Maintained measurement tools, such as OAI meter for iline, 4Omega for stepper, calibrated.
a.Kept the meters calibration up to date for engineers before doing PM at customer.
b.Communicated with the vendor that the meter is delivered back calibrated on time.
Hitachi GST June 2011 – April 2012
Preventative Maintenance Technician
Continuously monitored and updated the status of the vacuum tools, used as part of processing wafers. Recovered any non-functional equipment to prevent non-productive manufacturing timeline.
•Followed-up operator and technician’s request through Resource Viewer.
•Responsible for maintaining all vacuum tools up in production at all times.
•Diagnose and restore each failed units per customer’s request.
•Performed troubleshooting and strip and clean on vacuum tools, including Coronas, Unaxis, Emeralds, Z660s, VRies, Veecos, Clustertool 200.
MKS, Inc. June 2007 – April 2009
Integrated Systems Technician I
Assembled and tested newly computer systems used for measuring the gas flow and its temperature. Determined causes of failures on units prior to writing defective merchandise report. Successfully accomplished daily task requested by a customer, including Applied Materials and Novellus systems, to ensure products are delivered on time.
•Responsible for building, updating labels based on customer’s specification, and testing computer units used in large gas control systems and other applicable systems.
•Inspected visually any mechanical defects and tested all electronic functionalities of various semiconductor products requested by a customer.
•Debugged failed units or systems when one of the functionalities failed.
•Assembled units and updated labels under customer’s specifications
Sanmina SCI, San Jose, CA 2006
Functional Debugger for Foundry Networks Line Cards
Troubleshoot most complicated RMA and production line cards of Foundry Networks to the board level. Detected all possible causes of failure, including traffic and diagnostics failure, prior to sending the board to rework. Produced required number or even more passed boards at the end of the day ready for 24-hours burn-in test.
•Analyzed RMA and production failed burn-in boards to the component level.
•Isolated which port/ ports of a line card networks board that causes traffic signal failure. Thoroughly rerun a functional test to ensure that the board runs perfectly.
•Applied different techniques, through various commands, on a failed unit to easily detect the correct burn-in failed component.
System Level Technician for Foundry Networks Burn-In
Monitored all activities of burn-in test of the entire chamber that contains Foundry Networks products. Determined which chassis are non-functional and resolved the problem instantly, to have all chassis fully loaded with Foundry Networks products for following day shipment.
•Evaluated the Process Travelers reports including the functional and burn-in tests.
•Rechecked the version of management and switch fabric boards to ensure they have the updated image and verified necessary test documents prior to sending to 3rd Operations.
•Worked effectively with Day and Shift shifts managers and even the supervisors to which Foundry boards needed to ship first in order to meet the customer’s expectation.
Functional Debugger for Avaya Communications Line Cards
Debugged Avaya line cards that are commonly used in businesses needing in efficient phone that is capable of storing voice message. Responsible for testing large port voice card and digital signal processor card that they correspond to each other.
•Analyzed the block diagram of a board and interconnect the functionalities of the board components to isolate a cause of failure, including no boot, traffic failure.
•Measured the input and output signal of a chip, and studied the behavior of the output signal prior to sending to rework or 2nd operations for replacing a new chip.
•Rerun the line card in order and observed on a monitor for unusual activities occurring in its memory, processors and external ports.
Akon, Inc., San Jose, CA 2003 to 2004
RF Test Engineer
Conducted various tests on RF and microwave units at different temperatures. Calibrated two automated test equipment (ATE) systems from 2.0 GHz to 18.0 GHz frequency range. Advised management regarding to product performance.
• Debugged defective Dual Switch Amplifier units based on the product failure analysis report.
• Generated and evaluated the Acceptance Test Procedure (ATP) reports including system level diagnostics of the units.
• Consulted with project engineer to resolve unusual problems in system operation.
• Checked detective log video amplifier (DLVA) unit for its transfer response, frequency flatness, RF limited outputs and RF harmonics at room, cold and hot temperature under application requirements
• Tested RF and microwave low power amplifier subsystem units at three different temperatures with gain, activity detection, threshold, and isolation result.
• Analyzed failed units and validated test values specified by customer.
• Evaluated the linearity of the slope of the DLVA as a function of frequency and temperature.
• Verified all sections in the manufacturing order performed and signed by an appropriate assembler and a project engineer.
EDUCATION
B.S. in Electrical Engineering at SJSU on 2002
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