Role & Responsibilities:
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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.
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Hands-on providing support for onsite metal PVD, including creating, running, and characterizing recipes to achieve the lowest resistances.
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Collaborates closely with equipment vendors and device engineers to optimize the metal-stack for device performances and robustness/reliability, from low to high temperatures.
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Lead data analysis related to implant-induced defects and cleaning issues on metal contacts with solutions development.
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Examines the work-functions of metal/metal-alloys suitable for Ohmic contact on SiC.
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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.
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Designing cleaning processes to obtain ideal Schottky diode using various metal/metal-alloys on SiC for high-performance applications.
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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:
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PhD Degree in Material Science, Physics, Electrical Engineering or related field.
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>8 years related industrial experience inclusing backend process module integration.
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Extensive hands-on experience in PVD (Physical Vapor Deposition) processing for metal depositions and interface tuning.
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Strong understanding of metal-semiconductor contact physics.
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Expertise in work-function tunings of metal and metal-alloy.
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Proficiency in modulating electron affinity through implantation or surface treatments of semiconductors.
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Familiarity with wide band-gap semiconductor materials and their interaction with metal/metal-alloys at various temperatures.
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Thorough fundamentals in Ohmic contact and Schottky diode physics, as well as the impact of defects and contaminations on electrical properties.
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Skilled at mentoring and transferring knowledge to junior staff members.
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Excellent communication skills to effectively address customers" needs, concerns, and solution requirements.
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