FIRST DAY
Introduction: Overview of semiconductor industry, contemporary CMOS process flow with cross
sections, Semiconductor Technology Roadmap.
Yield: Global sales data, wafer yield models and market dynamics.
Silicon Materials: Silicon purification and single crystal growth, wafer manufacture and
gettering processes.
Cleaning & Oxidation process: Cleaning effects, dry & wet growth kinetics, multiple step,
HCL, pressure enhanced, oxide isolation technology, oxide thickness control and
determination, dopant redistribution, oxidation of Si3N4.
SECOND DAY
Cleaning & Oxidation process: (Continued)
Photo & Etch: Masking process: DSW, positive and negative reversal resists; minimum line
width, depth of focus, phase shifting; wet etch, plasma etch, combination etch, plasma damage.
Dopant Introduction Implantation: Process explanation, profiles, channeling, RP, DRP, DRL,
boron anomalies, masking, measurement tools, activation, Qsi.
Dopant Movement Diffusion: Dopant solubility, diffusion rates, characteristic diffusion
length, profiles, dopant layer evaluations.
THIRD DAY
CVD: Epitaxial Si, polycrystalline Si, oxides, nitrides, metals, silicides films.
Atmospheric, low pressure, plasma enhanced processes. Measurements techniques. Shallow
trench using CVD & CMP.
PVD: Requirements, contact resistance, electromigration, stress voids. Aluminum systems,
tungsten plug formation, copper systems, single and dual damascene & contemporary
interconnect technology.
Semiconductor Physics: Energy band model, electrons & holes, majority & minority carriers,
Fermi levels, conduction, mobility, resistivity, carrier lifetime, effects on device
properties.
FOURTH DAY
Diodes: Junction diodes, diode characteristics, abrupt junction, electric field and potential
distribution, voltage breakdown, switching, leakage currents. Schottky diodes.
Bipolar: Bipolar fundamentals, bipolar process flow, current gain, transport, voltage
limitations, leakage, switching performance, BICMOS.
CMOS: MOS fundamentals, surface effects, C/V measurement TDDB, Vt definition, transistor
operating characteristics, switching principles
FIFTH DAY
CMOS: Isolation technology, DRAM principles, ionizing radiation, scaling rules & impact,
EPROMS, EEPROMS, flash memories, DMOS.
Assembly: Assembly flow, die attach, lead bonding, bump technology, packages, BGA
technology, failure mechanisms of packaged devices.
Quality Control & Failure Analysis: Statistical process control, failure mechanisms &
activation energies, failure analysis tools & techniques.
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