City: Kedah | Country: Malaysia Supported process epitaxy engineers in wafer inspection and precision metrology for MOCVD-grown layers. Collaborated directly with the Germany R&D team to execute technology transfer and alignment on process standards. Operated advanced characterization tools including PL, XRD, Candela, SEM, and AFM for defect and surface analysis. Managed external sample submissions for SIMS, XPS, and EDX; performed data interpretation to guide process optimization.

City: Subang Jaya | Country: Malaysia Designed and prepared comprehensive lesson materials, including PowerPoint slides and practice exercises, tailored to the IGCSE Chemistry syllabus. Delivered engaging and concept-driven classes to foster deep understanding in students through interactive and creative teaching methods. Developed and administered regular assessments, quizzes, and examinations to evaluate student progress and curriculum retention. Tracked and documented individual academic performance, ensuring timely feedback and academic support for continuous improvement. – Klang Valley, Malaysia City: Klang Valley | Country: Malaysia [ 2002 – 21/06/2019 ] Conducted one-on-one tutoring with a strong foundation in both theoretical concepts and practical problem-solving in Mathematics and Physics. Empowered students by nurturing confidence, self-esteem, and a resilient, optimistic learning mindset. Applied critical thinking and analytical skills to tailor individualized lesson plans and implement creative strategies that maximized student understanding and academic performance.

Country: Malaysia Designed and delivered structured lesson plans aligned with IB MYP and Diploma Programme curriculum frameworks. Adapted teaching methods to accommodate a wide range of student ability levels, ensuring inclusive and effective learning experiences. Fostered a safe, respectful, and engaging classroom environment that promoted curiosity, critical thinking, and academic growth.

Country: Malaysia Collaborated with scientists from UCSB on technology transfer initiatives for GaN-on-GaN epitaxy and LED development. Independently operated a Nippon Sanso MOCVD reactor, including full recipe preparation for GaN-based LED structures. Grew blue LEDs on various substrates including c-plane sapphire, patterned sapphire substrates (PSS), and bulk c- plane GaN. Conducted optical characterization using photoluminescence (PL) and electroluminescence (EL) setups for performance analysis. Managed reactor maintenance tasks, including replacement of organometallic sources, ammonia and hydrogen gas supplies, and solenoid repairs. Handled procurement of consumables to ensure smooth project execution and uninterrupted reactor operation.

Monitored process yield and defect trends; implemented permanent corrective actions to improve stability and reduce scrap. Enhanced back-grind and back-metal workflows through updated FMEA documentation, DOE implementation, and OCAP generation for both process and equipment-related defects. Drafted and reviewed process specifications for new device qualifications in collaboration with NPD, device, and product teams. Streamlined manufacturing procedures by simplifying process steps and training operators for efficiency. Developed and maintained PROMIS system documentation (charts, OPERS, tasks, product flows) and utilized Brio Query for statistical analysis in process evaluations. Qualified critical manufacturing tools including grinders (DISCO DFG840/841/850/8540), tapers, and detapers (Takatori & NEL systems). Operated ultra-thinning grinders (down to 3 mils) and single-wafer SEZ (Spin Etch-Z) silicon etchers. Coordinated closely with equipment and QA teams on 8D investigations and customer return issues. Led scrap reduction initiatives, resulting in significant material savings in the backgrind process area.

MOCVD-BASED EPITAXIAL GROWTH OF ALGAN/GAN HEMT DEVICES ON SEMI-INSULATING GAN SUBSTRATES FOR POWER AND RF APPLICATIONS

GaN on GaN Blue LEDs

Bachelor of Applied Physics (Honours)