Overview:
The Senior TCAD Engineer will be a key member of our technology development team, responsible for advanced modeling and simulation of semiconductor devices and fabrication processes. This role involves defining and executing TCAD projects for novel device architectures, optimizing performance, and analyzing results to guide process integration and design teams.
Key Responsibilities:
• Develop and validate TCAD models for advanced technology nodes.
• Run simulations to assess device performance (IV, CV, breakdown, reliability).
• Interpret results to guide design and process improvements.
• Collaborate with engineering teams to align on technology roadmap.
• Act as TCAD expert and provide technical support.
• Automate simulation tasks using scripting (Python, Perl, TCL).
• Compare simulations with silicon data and resolve discrepancies.
• Prepare technical reports and present to cross-functional teams.
• Stay updated on TCAD trends and enhance modeling capabilities.
• Mentor junior engineers and contribute to IP development.
Qualifications:
• 5+ years of hands-on experience in TCAD process and device simulation within
the semiconductor industry.
• Deep understanding of semiconductor device physics and fabrication processes.
• Expertise with commercial TCAD simulation tools such as Synopsys Sentaurus or
Silvaco Atlas.
• Proficiency in scripting languages (e.g., Python, Perl, TCL) for tool automation.
• Experience with analog focused process technologies, particularly high voltage
transistors such as drain extended CMOS or LDMOS devices.
Overview:
The Senior High Voltage LNDMOS Device Engineer at Diodes, Inc. leads the design and development of advanced power semiconductor devices. This role focuses on enhancing LNDMOS technology to deliver reliable and efficient solutions for automotive, industrial, consumer, and renewable energy applications. By combining device physics with practical manufacturing, the engineer ensures high-performance products that meet industry standards.
Key Responsibilities:
• Device Design: Develop high-voltage LNDMOS devices using CAD/TCAD tools,
optimizing performance and reliability.
• Process Integration: Work with process teams to define fabrication flows and
ensure manufacturability and yield.
• Characterization: Conduct electrical and reliability testing; analyze data to
improve device performance.
• Technology Innovation: Explore new structures and materials to enhance
LNDMOS capabilities.
• Failure Analysis: Investigate device issues using diagnostic tools; provide
solutions and improvements.
• Cross-functional Collaboration: Coordinate with design, process, test,
packaging, and product teams.
• Documentation: Prepare technical reports and present findings to stakeholders.
• Product Qualification: Support reliability testing and ensure compliance with
standards.
• Yield & Cost Optimization: Analyze production data to improve yield and reduce
costs.
• Technical Support: Assist application teams and customers with device
integration and troubleshooting.
Qualifications:
• At least 10 years in power semiconductor device engineering, focusing on
high-voltage LNDMOS or LDMOS design and fabrication. Experience with IGBT
or SiC/GaN MOSFETs is a plus.
• Skilled in device/process simulation tools (e.g., Sentaurus, Atlas).
• Solid understanding of semiconductor physics, breakdown mechanisms, and
reliability.
• Practical experience in wafer fabrication, cleanroom operations, and device
testing.
• Familiar with advanced failure analysis tools and techniques.
• Knowledge of reliability standards and ruggedness requirements.
• Proficient in statistical analysis and data-driven problem solving.
Reporting to MOSFET Development Manager, you will work as Sr. MOS Development Engineer to be responsible for process integration, development and optimization.
About the job:
Work with product designer to create new device structure ideas and develop the necessary Mosfet/ IGBT /Diode technologies
Closely work with internal process experts and external foundry partners to set up the required technologies and processes to produce the prototypes and with test labs to assess results vs. simulations / expected behavior.
Responsible for experimental matrix design to evaluate and optimize design vs. specification.
Co-work with fab engineering teams to generate the final design rule menu and electrical parametric specifications.
Participation in fab selection and evaluation for future foundry locations.
Participate and help the Design Engineers and Product Engineers on reverse engineering analysis when necessary.
Act as the internal expert of semiconductor devices and processes to provide the necessary information and advices to designers on new technologies.
Short term travels for business trips and trainings.
About you:
Knowledge of semiconductor device physics, such as Diode, BJT, MOSFET, and IGBT…etc and understanding of complex interactions between different fabrication processes.
Experiences in semiconductor process development, and basic knowledge in semiconductor device characterization.
Ability of arranging tests with 3rd party labs and comfortable with working in Lab for device characterization.
Good writing/reading/communication in English is a MUST.
The ability to operate independently in a cross-cultural working environment.
Experiences in both conventional Bipolar, CMOS, DMOS processe
Understanding or experiences in power semiconductor devices assembly and applications would be preferred.
Knowledge and experiences of material analysis or Failure analysis tools, such as SRP, SIMS, SEM…etc.
Familiar with mask generation, wafer fab process flow and in-line/PCM specifications.
Knowledge and experience in one or more of the following areas would be a plus, but not must:
o Test pattern generation
o Semiconductor process/device modeling
o Basic assembly & test processes.
•Design reliability test plan process for device life time evaluation
•Coordinate with third party suppliers on device WAT/CP
•Coordinate with third party suppliers on reliability test and failure analysis of power devices
1. Foundry co-work and contact window.
2. Handle co-development of power, MCU related applications , mass production & yield ramp up .
3. It's better with Foundry process integration or product experience.
Focus areas: Delivery, cycle time, and line yield.
1. Handover from RD and maintain mass production product
2. Line Yield enhancement and monitor
3. 有在MOS CP/FT廠,或BGBM 廠,孰悉運作等相關經驗者尤佳。
4. 擴產驗證評估
5. Back-end process monitor and maintain