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Jobs in Singapore   »   Jobs in Singapore   »   Principal Scientist (Backend Process Integration), IME
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Principal Scientist (Backend Process Integration), IME

A*star Research Entities

Role & Responsibilities:

  • Responsibilities include diagnosing appropriate levels of metal/metal-alloy contaminations by oxygen and other contaminants; determining the root cause of contaminants, and establishing protocols for characterizations.
  • Hands-on providing support for onsite metal PVD, including creating, running, and characterizing recipes to achieve the lowest resistances.
  • Collaborates closely with equipment vendors and device engineers to optimize the metal-stack for device performances and robustness/reliability, from low to high temperatures.
  • Lead data analysis related to implant-induced defects and cleaning issues on metal contacts with solutions development.
  • Examines the work-functions of metal/metal-alloys suitable for Ohmic contact on SiC.
  • Responsible for designing experiments for Ohmic contact on various SiC substrates with different doping types, determining their impact, and resolving issues to achieve the lowest specific contact resistances.
  • Designing cleaning processes to obtain ideal Schottky diode using various metal/metal-alloys on SiC for high-performance applications.
  • Work closely with cross-departmental and integration teams and in 3-5 years’ time develop a WBG backend process integration team of at least 4 persons.

Requirements:

  • PhD Degree in Material Science, Physics, Electrical Engineering or related field.
  • >8 years related industrial experience inclusing backend process module integration.
  • Extensive hands-on experience in PVD (Physical Vapor Deposition) processing for metal depositions and interface tuning.
  • Strong understanding of metal-semiconductor contact physics.
  • Expertise in work-function tunings of metal and metal-alloy.
  • Proficiency in modulating electron affinity through implantation or surface treatments of semiconductors.
  • Familiarity with wide band-gap semiconductor materials and their interaction with metal/metal-alloys at various temperatures.
  • Thorough fundamentals in Ohmic contact and Schottky diode physics, as well as the impact of defects and contaminations on electrical properties.
  • Skilled at mentoring and transferring knowledge to junior staff members.
  • Excellent communication skills to effectively address customers' needs, concerns, and solution requirements.

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